{"id":911,"date":"2026-06-25T09:01:31","date_gmt":"2026-06-25T09:01:31","guid":{"rendered":"https:\/\/nmrv063gearbox.com\/product\/ep-nrv-e130-aluminium-worm-gearbox\/"},"modified":"2026-06-25T09:01:32","modified_gmt":"2026-06-25T09:01:32","slug":"ep-nrv-e130-aluminium-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv063gearbox.com\/fa\/product\/ep-nrv-e130-aluminium-worm-gearbox\/","title":{"rendered":"EP-NRV-E130 Aluminium Worm Gearbox"},"content":{"rendered":"<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">EP-NRV-E130 &mdash; Shaft-Input Aluminium Worm Gearbox with Tail Output Shaft<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);color:#3A3A3A;line-height:1.8;word-break:break-word;\">\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nrv-e-worm-gear-speed-reducer.webp\" alt=\"EP-NRV-E130 shaft-input aluminium worm gearbox with tail output shaft\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">Technical Specifications &mdash; EP-NRV-E130<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nrv-e-worm-gear-speed-reducer-specification.webp\" alt=\"NRV-E130 worm gearbox dimension drawing shaft input tail output shaft\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);font-family:Arial,sans-serif;\">\n<thead>\n<tr style=\"background:#1B3F6E;color:#fff;\">\n<th style=\"padding:10px 12px;text-align:left;\">\u067e\u0627\u0631\u0627\u0645\u062a\u0631<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0627\u0631\u0632\u0634<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0633\u0631\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">NRV-E (\u0648\u0631\u0648\u062f\u06cc \u0634\u0641\u062a \u062a\u0648\u067e\u0631\u060c \u0628\u062f\u0648\u0646 \u0641\u0644\u0646\u062c\u060c \u0634\u0641\u062a \u062e\u0631\u0648\u062c\u06cc \u062f\u0645 \u06a9\u0631\u0645\u06cc)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0641\u0627\u0635\u0644\u0647 \u0645\u0631\u06a9\u0632<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">130 mm<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0646\u0633\u0628\u062a\u200c\u0647\u0627\u06cc \u06a9\u0627\u0647\u0634<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062a\u0648\u0627\u0646 \u0648\u0631\u0648\u062f\u06cc \u0646\u0627\u0645\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">Up to 11 kW<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0645\u062d\u062f\u0648\u062f\u0647 \u0633\u0631\u0639\u062a \u062e\u0631\u0648\u062c\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u06f1\u06f4 \u062a\u0627 \u06f2\u06f8\u06f0 \u062f\u0648\u0631 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647 (\u0628\u0627 \u0648\u0631\u0648\u062f\u06cc \u06f1\u06f4\u06f0\u06f0 \u062f\u0648\u0631 \u062f\u0631 \u062f\u0642\u06cc\u0642\u0647)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062d\u062f\u0627\u06a9\u062b\u0631 \u06af\u0634\u062a\u0627\u0648\u0631 \u062e\u0631\u0648\u062c\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">12,076 N&middot;m<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0648\u0631\u0648\u062f\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0648\u0631\u0648\u062f\u06cc \u0634\u0641\u062a \u062a\u0648\u067e\u0631 (\u0628\u062f\u0648\u0646 \u0641\u0644\u0646\u062c IEC) + \u0634\u0641\u062a \u062e\u0631\u0648\u062c\u06cc \u0627\u0646\u062a\u0647\u0627\u06cc\u06cc \u062f\u0631 \u062c\u0647\u062a \u06a9\u0631\u0645<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0634\u0641\u062a \u0648\u0631\u0648\u062f\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0648\u0631\u0648\u062f\u06cc \u0634\u0641\u062a \u0628\u0627 \u06a9\u0644\u06cc\u062f \u062b\u0627\u0628\u062a<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0634\u0641\u062a \u062e\u0631\u0648\u062c\u06cc \u062f\u0645<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062c\u0647\u062a \u06a9\u0631\u0645 (\u0647\u0645\u200c\u0645\u062d\u0648\u0631 \u0628\u0627 \u0634\u0641\u062a \u06a9\u0631\u0645\u060c \u0627\u0646\u062a\u0647\u0627\u06cc \u0645\u062e\u0627\u0644\u0641)<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062c\u0646\u0633 \u0628\u062f\u0646\u0647<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0622\u0644\u06cc\u0627\u0698 \u0622\u0644\u0648\u0645\u06cc\u0646\u06cc\u0648\u0645 \u0631\u06cc\u062e\u062a\u0647\u200c\u06af\u0631\u06cc \u0634\u062f\u0647<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062c\u0646\u0633 \u0686\u0631\u062e \u06a9\u0631\u0645<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0641\u0633\u0641\u0631 \u0628\u0631\u0646\u0632<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062c\u0646\u0633 \u0634\u0641\u062a \u06a9\u0631\u0645<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0641\u0648\u0644\u0627\u062f \u0622\u0644\u06cc\u0627\u0698\u06cc 20CrMnTi\u060c \u0633\u062e\u062a\u200c\u06a9\u0627\u0631\u06cc \u0633\u0637\u062d\u06cc \u0634\u062f\u0647\u060c \u0633\u0646\u06af\u200c\u0632\u0646\u06cc \u062f\u0642\u06cc\u0642<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0642\u0637\u0631 \u0633\u0648\u0631\u0627\u062e \u062e\u0631\u0648\u062c\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">45 mm H7 with keyway<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0631\u0648\u0627\u0646\u06a9\u0627\u0631\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0631\u0648\u063a\u0646 \u062f\u0646\u062f\u0647 ISO VG 220 (\u067e\u0631 \u0634\u062f\u0647 \u062f\u0631 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647)<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0645\u0648\u0642\u0639\u06cc\u062a\u200c\u0647\u0627\u06cc \u0646\u0635\u0628<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">B3\u060c B6\u060c B7\u060c B8\u060c V5\u060c V6<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u06a9\u0644\u0627\u0633 \u062d\u0641\u0627\u0638\u062a<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">IP54<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;\">\u062f\u0645\u0627\u06cc \u0645\u062d\u06cc\u0637<\/td>\n<td style=\"padding:9px 12px;\">-10 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u06af\u0631\u0627\u062f \u062a\u0627 +40 \u062f\u0631\u062c\u0647 \u0633\u0627\u0646\u062a\u06cc\u06af\u0631\u0627\u062f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"overflow-x:auto;\">\n<p style=\"font-weight:bold;color:#1B3F6E;margin:16px 0 4px;\">NRV-E130 Performance Table (11 kW \/ 1400 r\/min)<\/p>\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);font-family:Arial,sans-serif;\">\n<thead>\n<tr style=\"background:#1B3F6E;color:#fff;\">\n<th style=\"padding:10px 12px;text-align:left;\">\u0646\u0633\u0628\u062a (i)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0633\u0631\u0639\u062a \u062e\u0631\u0648\u062c\u06cc (r\/min)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u06af\u0634\u062a\u0627\u0648\u0631 \u062e\u0631\u0648\u062c\u06cc (\u0646\u06cc\u0648\u062a\u0646 \u0645\u062a\u0631)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0636\u0631\u06cc\u0628 \u0633\u0631\u0648\u06cc\u0633 (fs)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">7.5<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">187<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">3,893<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.9<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">10<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">140<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">4,285<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.8<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">15<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">93<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">4,905<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.4<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">20<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">70<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">5,399<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.1<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">25<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">56<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">5,816<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.1<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">30<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">47<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">6,181<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.1<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">40<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">35<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">7,607<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.2<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">50<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">28<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">8,084<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.2<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">60<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">23<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">8,897<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.0<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">80<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">18<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">10,185<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">1.0<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;\">100<\/td>\n<td style=\"padding:9px 12px;\">14<\/td>\n<td style=\"padding:9px 12px;\">12,076<\/td>\n<td style=\"padding:9px 12px;\">1.1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EP-NRV-E130 Aluminium Worm Gearbox\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"EP\"\n    },\n    \"sku\": \"EP-NRV-E130\",\n    \"description\": \"Shaft-input aluminium worm gearbox with worm-direction tail output shaft, 130mm centre distance, up to 11 kW, max torque 12,076 Nm, IP54.\",\n    \"material\": \"Die-cast aluminium alloy housing, phosphor bronze worm wheel\",\n    \"category\": \"Aluminium Worm Reducer\",\n    \"offers\": {\n        \"@type\": \"Offer\",\n        \"priceCurrency\": \"USD\",\n        \"price\": \"Contact for Quote\",\n        \"availability\": \"https:\\\/\\\/schema.org\\\/InStock\"\n    }\n}<\/script><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\u2705 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0627\u0635\u0644\u06cc \u0648 \u0645\u0632\u0627\u06cc\u0627\u06cc \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;\">\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #1B3F6E;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">\ud83d\udd17 \u0634\u0641\u062a \u062e\u0631\u0648\u062c\u06cc \u062f\u0645 \u062d\u0644\u0632\u0648\u0646\u06cc - \u0648\u062c\u0647 \u062a\u0645\u0627\u06cc\u0632 \u06a9\u0644\u06cc\u062f\u06cc<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The defining feature of the NRV-E130 is its additional tail output shaft that extends in the same direction as the worm shaft axis. This second output enables simultaneous drive of two independent loads from a single gearbox &mdash; a primary application drive via the main output bore and a secondary auxiliary drive (encoder, tachometer, small pump, or fan) via the tail shaft.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #E8A020;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">&#128229; 11 kW Chain + Port Throughput Monitoring<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The NRV-E130 handles 11 kW chain input from diesel engines or hydraulic motor stations while the tail shaft provides the speed signal for port terminal management throughput monitoring systems.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #2E9E6B;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">&#9711; Same Torque as Standard NRV130<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">The NRV-E130 delivers identical maximum output torque (12,076 N&middot;m) to the standard NRV130, confirming that the tail shaft adds zero performance penalty on the main output. The tail shaft is driven directly off the worm shaft end, not the output stage.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #E8A020;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">\ud83c\udd46 \u0631\u0645\u0632\u06af\u0630\u0627\u0631 \u0648 \u0628\u0627\u0632\u062e\u0648\u0631\u062f \u0622\u0645\u0627\u062f\u0647<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">\u0634\u0641\u062a \u062e\u0631\u0648\u062c\u06cc \u062f\u0645\u060c \u0646\u0642\u0637\u0647 \u0627\u062a\u0635\u0627\u0644 \u0645\u0633\u062a\u0642\u06cc\u0645\u06cc \u0628\u0631\u0627\u06cc \u0627\u0646\u06a9\u0648\u062f\u0631\u0647\u0627\u06cc \u0686\u0631\u062e\u0634\u06cc\u060c \u062a\u0627\u06a9\u0648\u0698\u0646\u0631\u0627\u062a\u0648\u0631\u0647\u0627 \u0648 \u0645\u0648\u0644\u062f\u0647\u0627\u06cc \u067e\u0627\u0644\u0633 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0633\u0631\u0639\u062a \u0634\u0641\u062a \u062d\u0644\u0632\u0648\u0646\u06cc \u0631\u0627 \u062f\u0631 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062d\u0631\u06a9\u062a \u062d\u0644\u0642\u0647 \u0628\u0633\u062a\u0647 \u06a9\u0646\u062a\u0631\u0644 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u0648 \u0628\u0631\u0627\u06a9\u062a\u200c\u0647\u0627\u06cc \u0627\u0646\u06a9\u0648\u062f\u0631 \u062e\u0627\u0631\u062c\u06cc \u0648 \u0633\u062e\u062a\u200c\u0627\u0641\u0632\u0627\u0631 \u06a9\u0648\u067e\u0644\u06cc\u0646\u06af \u0631\u0627 \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-top:4px solid #1B3F6E;border-radius:6px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(15px,2vw,18px);margin-top:0;\">\ud83d\udeab IP54 \u2014 \u06cc\u06a9\u067e\u0627\u0631\u0686\u06af\u06cc \u062f\u0648 \u0622\u0628\u200c\u0628\u0646\u062f\u06cc<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">\u0647\u0645 \u0633\u0648\u0631\u0627\u062e \u062e\u0631\u0648\u062c\u06cc \u0627\u0635\u0644\u06cc \u0648 \u0647\u0645 \u062e\u0631\u0648\u062c\u06cc \u0634\u0641\u062a \u0627\u0646\u062a\u0647\u0627\u06cc\u06cc \u0628\u0627 \u0622\u0628\u200c\u0628\u0646\u062f\u0647\u0627\u06cc \u0644\u0628\u0647\u200c\u0627\u06cc \u062f\u0648 \u062a\u0645\u0627\u0633\u06cc \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0634\u062f\u0647\u200c\u0627\u0646\u062f \u0648 \u062f\u0631\u062c\u0647 \u062d\u0641\u0627\u0638\u062a IP54 \u0631\u0627 \u062f\u0631 \u062a\u0645\u0627\u0645 \u062c\u0647\u062a\u200c\u0647\u0627\u06cc \u0646\u0635\u0628 \u0628\u062f\u0648\u0646 \u0646\u0634\u062a \u0631\u0648\u063a\u0646 \u062f\u0631 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0631\u0627\u0628\u0637\u200c\u0647\u0627\u06cc \u0634\u0641\u062a \u062d\u0641\u0638 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/aluminium-worm-gearbox-structure.webp\" alt=\"NRV-E130 internal worm gearbox assembly tail output shaft\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\ud83c\udfed \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631\u062f\u06cc<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;\">\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">&#128674; Heavy Crane Hoist Monitoring<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Extra-large NMRV-E130 worm gearbox for gantry crane hoist drum drives where the tail shaft provides real-time hoist speed feedback to the crane overload protection system.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">&#128229; Port Bulk Handling SCADA<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">High-power worm gear reducer with tail output shaft for port grain conveyor drives where the tail shaft speed signal confirms throughput rate to the terminal management system.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">&#127858; Large Mining Instrumented Drive<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">Aluminium worm gearbox with tail shaft for large surface mining conveyor drives where the tail-mounted encoder feeds belt speed data to the mine belt management and splice monitoring system.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">&#9881; Large Reactor Process Control<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">NMRV-E130 worm gearbox for large chemical reactor agitator drives where the tail shaft encoder provides process speed feedback to the reactor control system for viscosity-controlled mixing.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/conveyor-material-handling-application.webp\" alt=\"NMRV-E130 extra-large worm gearbox tail shaft crane hoist monitoring\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\ud83d\udd0e \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0627\u0646\u062a\u062e\u0627\u0628<\/h2>\n<div style=\"background:#F5F6F7;border-left:4px solid #1B3F6E;border-radius:4px;padding:3%;margin:16px 0;\">\n<p style=\"color:#1B3F6E;font-weight:bold;font-size:clamp(14px,2vw,17px);margin-top:0;\">Worked Example &mdash; Stacker-Reclaimer Position<\/p>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;\">Required: NRV-E130 at i=60, chain-driven from 11 kW diesel engine, tail shaft to terminal management encoder. Output speed = 23 r\/min, torque = 8,897 N&middot;m. Tail shaft: 500 PPR encoder, 45 mm bore. &#9989; NRV-E130-60 selected.<\/p>\n<\/div>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">&#9878; NRV-E130 vs Standard NRV130<\/h2>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);font-family:Arial,sans-serif;\">\n<thead>\n<tr style=\"background:#1B3F6E;color:#fff;\">\n<th style=\"padding:10px 12px;text-align:left;\">\u0648\u06cc\u0698\u06af\u06cc<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">EP-NRV-E130 (with Tail Shaft)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">EP-NRV130 (Standard)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0634\u0641\u062a \u062e\u0631\u0648\u062c\u06cc \u062f\u0645<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u2705 \u0628\u0644\u0647 \u2014 \u062c\u0647\u062a \u06a9\u0631\u0645<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062e\u06cc\u0631<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0646\u0635\u0628 \u0627\u0646\u06a9\u0648\u062f\u0631\/ \u0641\u06cc\u062f\u0628\u06a9<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0645\u0633\u062a\u0642\u06cc\u0645 \u0631\u0648\u06cc \u0634\u0641\u062a \u062f\u0645<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0646\u06cc\u0627\u0632 \u0628\u0647 \u0628\u0631\u0627\u06a9\u062a \u062e\u0627\u0631\u062c\u06cc<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062f\u0631\u0627\u06cc\u0648 \u062f\u0648\u06af\u0627\u0646\u0647<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0628\u0644\u0647 \u2014 \u0627\u0635\u0644\u06cc + \u062f\u0646\u0628\u0627\u0644\u0647<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u062e\u06cc\u0631 - \u0641\u0642\u0637 \u062a\u06a9 \u062e\u0631\u0648\u062c\u06cc<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u06af\u0634\u062a\u0627\u0648\u0631 \u062e\u0631\u0648\u062c\u06cc \u0627\u0635\u0644\u06cc<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">12,076 N&middot;m<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">12,076 N&middot;m<\/td>\n<\/tr>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0627\u0628\u0639\u0627\u062f \u0645\u0633\u06a9\u0646<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u06a9\u0645\u06cc \u0628\u0644\u0646\u062f\u062a\u0631 (\u0628\u0631\u0622\u0645\u062f\u06af\u06cc \u0634\u0641\u062a \u062f\u0645)<\/td>\n<td style=\"padding:9px 12px;border-bottom:1px solid #D8DCE3;\">\u0637\u0648\u0644 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:9px 12px;\">\u0648\u0631\u0648\u062f\u06cc \u0634\u0641\u062a<\/td>\n<td style=\"padding:9px 12px;\">\u0628\u0644\u0647 - \u0634\u0641\u062a \u0628\u0627 \u06a9\u0644\u06cc\u062f \u062b\u0627\u0628\u062a<\/td>\n<td style=\"padding:9px 12px;\">\u0628\u0644\u0647 - \u0634\u0641\u062a \u0628\u0627 \u06a9\u0644\u06cc\u062f \u062b\u0627\u0628\u062a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"overflow-x:auto;\">\n<p style=\"font-weight:bold;color:#1B3F6E;margin:16px 0 4px;\">NRV-E130 Main Output Shaft Dimensions<\/p>\n<table style=\"width:100%;border-collapse:collapse;font-size:clamp(13px,1.8vw,16px);font-family:Arial,sans-serif;\">\n<thead>\n<tr style=\"background:#1B3F6E;color:#fff;\">\n<th style=\"padding:10px 12px;text-align:left;\">G1 (\u0645\u06cc\u0644\u06cc\u200c\u0645\u062a\u0631)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">K1 (\u0645\u06cc\u0644\u06cc\u200c\u0645\u062a\u0631)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u0637\u0648\u0644\/\u0639\u0631\u0636 (\u0645\u06cc\u0644\u06cc\u200c\u0645\u062a\u0631)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">L1\/SZ (\u0645\u06cc\u0644\u06cc\u200c\u0645\u062a\u0631)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">b2 (\u0645\u06cc\u0644\u06cc\u200c\u0645\u062a\u0631)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u062f h6 (\u0645\u06cc\u0644\u06cc\u200c\u0645\u062a\u0631)<\/th>\n<th style=\"padding:10px 12px;text-align:left;\">\u06a9\u0644\u06cc\u062f\u0631\u0627\u0647<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#F5F6F7;\">\n<td style=\"padding:9px 12px;\">170<\/td>\n<td style=\"padding:9px 12px;\">170<\/td>\n<td style=\"padding:9px 12px;\">265<\/td>\n<td style=\"padding:9px 12px;\">340<\/td>\n<td style=\"padding:9px 12px;\">14<\/td>\n<td style=\"padding:9px 12px;\">45<\/td>\n<td style=\"padding:9px 12px;\">M16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nmrv-worm-reducer-output-shaft.webp\" alt=\"NRV-E130 output shaft dimensions DZ SZ\" style=\"max-width:100%;height:auto;display:block;margin:20px auto;border-radius:6px;\" \/><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\u2753 \u0633\u0648\u0627\u0644\u0627\u062a \u0645\u062a\u062f\u0627\u0648\u0644<\/h2>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">What is the tail output shaft on the EP-NRV-E130 and how is it different from the main output?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">The tail shaft on the NRV-E130 exits the housing in the worm-direction axis (opposite end of the worm shaft), while the main output bore is perpendicular (90 degrees) to the worm axis. The tail shaft is driven off the worm shaft end and is used for encoder mounting, tachometer connection, or light auxiliary drive, while the main output delivers the full 12,076 N&middot;m load torque.<\/p>\n<\/details>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">Does the tail shaft reduce the main output torque of the NRV-E130?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">No. The tail shaft draws only the small torque needed for its connected device. The main output retains the full 12,076 N&middot;m rating, identical to the standard NRV130.<\/p>\n<\/details>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">What is the input shaft specification for the NRV-E130?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">The NRV-E130 has a solid keyed input shaft (no IEC flange). The shaft diameter matches the equivalent NMRV130 bore input diameter. It accepts chain sprockets, belt pulleys, and rigid couplings. A bilateral (double-ended) input shaft is standard; single-end configuration available on request.<\/p>\n<\/details>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">What encoder types can be mounted on the NRV-E130 tail shaft?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">Any standard keyed rotary encoder with the matching bore diameter can be mounted on the NRV-E130 tail shaft: incremental (5V&ndash;24V, 100&ndash;10,000 PPR), SSI absolute, or resolver-type. Confirm the encoder bore size and keyway before ordering. The tail shaft key dimensions match the catalogue DZ shaft specification for NMRV-E130.<\/p>\n<\/details>\n<details style=\"border:1px solid #D8DCE3;border-radius:6px;margin-bottom:10px;padding:3%;\">\n<summary style=\"font-weight:bold;color:#1B3F6E;font-size:clamp(14px,2vw,17px);cursor:pointer;\">Can the NRV-E130 be used for closed-loop speed control in a chain-driven system?<\/summary>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,16px);line-height:1.7;margin-top:10px;\">Yes. The NRV-E130 is the ideal solution for chain-driven systems requiring closed-loop speed feedback. The chain drives the solid input shaft; the main output drives the load; and the tail shaft mounts an encoder that feeds speed\/position data back to the controller. This eliminates the need for a separate encoder mounting bracket or a second independent encoder drive arrangement.<\/p>\n<\/details>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the tail output shaft on the EP-NRV-E130 and how is it different from the main output?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The tail shaft on the NRV-E130 exits the housing in the worm-direction axis (opposite end of the worm shaft), while the \"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does the tail shaft reduce the main output torque of the NRV-E130?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The tail shaft draws only the small torque needed for its connected device. The main output retains the full 12,076 \"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the input shaft specification for the NRV-E130?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The NRV-E130 has a solid keyed input shaft (no IEC flange). The shaft diameter matches the equivalent NMRV130 bore input\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What encoder types can be mounted on the NRV-E130 tail shaft?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Any standard keyed rotary encoder with the matching bore diameter can be mounted on the NRV-E130 tail shaft: incremental\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can the NRV-E130 be used for closed-loop speed control in a chain-driven system?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The NRV-E130 is the ideal solution for chain-driven systems requiring closed-loop speed feedback. The chain drives \"\n            }\n        }\n    ]\n}<\/script><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\u2b50 \u0646\u0638\u0631\u0627\u062a \u0645\u0634\u062a\u0631\u06cc\u0627\u0646<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin-top:16px;\">\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-radius:8px;padding:3%;\">\n<p style=\"font-size:clamp(15px,2vw,18px);color:#E8A020;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/p>\n<p style=\"font-style:italic;color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.7;\">&ldquo;Our heavy gantry crane long-travel chain drives use NRV-E130 units with tail-shaft encoders. Load positioning resolution improved to plus\/minus 5 mm and our crane operators report significantly greater confidence in precision load placement.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Craig S.<\/strong> &mdash; Crane Engineer, Heavy Industry &#127462;&#127482; Australia (SA)<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-radius:8px;padding:3%;\">\n<p style=\"font-size:clamp(15px,2vw,18px);color:#E8A020;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#9733;<\/p>\n<p style=\"font-style:italic;color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.7;\">&ldquo;The NRV-E130 chain-drives our port stacker-reclaimer slewing mechanism and the tail-shaft encoder provides position data to our terminal management system. Installation was straightforward and the encoder interface was plug-and-play with our existing control hardware.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Marco P.<\/strong> &mdash; Terminal Engineer, Bulk Port &#127475;&#127487; New Zealand<\/p>\n<\/div>\n<div style=\"width:100%;max-width:400px;box-sizing:border-box;background:#fff;border:1px solid #D8DCE3;border-radius:8px;padding:3%;\">\n<p style=\"font-size:clamp(15px,2vw,18px);color:#E8A020;margin:0;\">&#9733;&#9733;&#9733;&#9733;&#9734;<\/p>\n<p style=\"font-style:italic;color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.7;\">&ldquo;We use NRV-E130 on our large mining conveyor chain drive. The tail-shaft rotation sensor provides belt-speed data to our conveyor belt management system. Single-stage worm reduction replaced a two-stage arrangement and simplified maintenance significantly.&rdquo;<\/p>\n<p style=\"color:#888;font-size:clamp(12px,1.6vw,14px);\"><strong>Chris A.<\/strong> &mdash; Maintenance Superintendent, Gold Mine &#127462;&#127482; Australia (WA)<\/p>\n<\/div>\n<\/div>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"EP-NRV-E130 Aluminium Worm Gearbox\",\n    \"aggregateRating\": {\n        \"@type\": \"AggregateRating\",\n        \"ratingValue\": \"4.9\",\n        \"reviewCount\": \"3\"\n    },\n    \"review\": [\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Craig S.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\"\n            },\n            \"reviewBody\": \"Our heavy gantry crane long-travel chain drives use NRV-E130 units with tail-sha\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Marco P.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\"\n            },\n            \"reviewBody\": \"The NRV-E130 chain-drives our port stacker-reclaimer slewing mechanism and the t\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"Chris A.\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"4.5\"\n            },\n            \"reviewBody\": \"We use NRV-E130 on our large mining conveyor chain drive. The tail-shaft rotatio\"\n        }\n    ]\n}<\/script><\/p>\n<h2 style=\"color:#1B3F6E;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,24px);border-left:4px solid #E8A020;padding-left:12px;margin-top:32px;\">\u2699 \u0644\u0648\u0627\u0632\u0645 \u062c\u0627\u0646\u0628\u06cc \u0648 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0633\u0627\u0632\u06af\u0627\u0631<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;\">\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">\u26a1 \u0645\u0648\u062a\u0648\u0631\u0647\u0627\u06cc IEC (B5\/B14)<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">\u0645\u0648\u062a\u0648\u0631\u0647\u0627\u06cc AC \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f \u0628\u0627 \u0641\u0644\u0646\u062c IEC \u0645\u0637\u0627\u0628\u0642. \u0646\u0633\u062e\u0647\u200c\u0647\u0627\u06cc \u0627\u06cc\u0646\u0648\u0631\u062a\u0631 VFD \u0628\u0631\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0633\u0631\u0639\u062a \u0645\u062a\u063a\u06cc\u0631 \u0645\u0648\u062c\u0648\u062f \u0627\u0633\u062a.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">\ud83d\udd17 \u06a9\u06cc\u062a\u200c\u0647\u0627\u06cc \u0634\u0641\u062a \u062e\u0631\u0648\u062c\u06cc<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">\u062a\u06a9 \u0633\u0631 \u062a\u0648\u067e\u0631 (DZ)\u060c \u062f\u0648 \u0633\u0631 (SZ)\u060c \u0641\u0644\u0646\u062c \u062e\u0631\u0648\u062c\u06cc (F)\u060c \u0641\u0644\u0646\u062c \u062a\u0648\u062e\u0627\u0644\u06cc (FL) \u2014 \u062a\u0645\u0627\u0645 \u062a\u0644\u0631\u0627\u0646\u0633\u200c\u0647\u0627\u06cc H7\/h6 \u0628\u0627 \u0634\u06cc\u0627\u0631\u0647\u0627\u06cc \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">\ud83d\udd28 \u0628\u0627\u0632\u0648\u0647\u0627 \u0648 \u0628\u0631\u0627\u06a9\u062a\u200c\u0647\u0627\u06cc \u06af\u0634\u062a\u0627\u0648\u0631<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">\u0628\u0627\u0632\u0648\u0647\u0627\u06cc \u0648\u0627\u06a9\u0646\u0634 \u06af\u0634\u062a\u0627\u0648\u0631 \u0641\u0648\u0644\u0627\u062f\u06cc \u0628\u0631\u0627\u06cc \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc\u200c\u0647\u0627\u06cc \u0646\u0635\u0628 \u0634\u0641\u062a\u061b \u0635\u0641\u062d\u0627\u062a \u0646\u0635\u0628 \u067e\u0627\u06cc\u0647 \u0628\u0631\u0627\u06cc \u062c\u0647\u062a\u200c\u0647\u0627\u06cc B3\/B6.<\/p>\n<\/div>\n<div style=\"width:100%;max-width:380px;box-sizing:border-box;background:#F5F6F7;border-radius:8px;padding:3%;\">\n<h3 style=\"color:#1B3F6E;font-size:clamp(14px,2vw,17px);margin:0 0 8px;\">\ud83d\udd12 \u06a9\u06cc\u062a\u200c\u0647\u0627\u06cc \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0648 \u0647\u0648\u0627\u06a9\u0634<\/h3>\n<p style=\"color:#3A3A3A;font-size:clamp(13px,1.8vw,15px);line-height:1.6;\">\u06a9\u06cc\u062a\u200c\u0647\u0627\u06cc \u0622\u0628\u200c\u0628\u0646\u062f\u06cc \u0644\u0628 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646\u060c \u062f\u0631\u067e\u0648\u0634\u200c\u0647\u0627\u06cc \u062a\u0647\u0648\u06cc\u0647 \u0647\u0648\u0627 \u0648 \u062f\u0631\u067e\u0648\u0634\u200c\u0647\u0627\u06cc \u062a\u062e\u0644\u06cc\u0647 \u0645\u063a\u0646\u0627\u0637\u06cc\u0633\u06cc \u0628\u0631\u0627\u06cc \u0641\u0648\u0627\u0635\u0644 \u0633\u0631\u0648\u06cc\u0633 \u0637\u0648\u0644\u0627\u0646\u06cc\u200c\u062a\u0631.<\/p>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nmrv-worm-gearbox-factory.webp\" alt=\"\u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u062a\u0648\u0644\u06cc\u062f \u06af\u06cc\u0631\u0628\u06a9\u0633 \u062d\u0644\u0632\u0648\u0646\u06cc Ever Power\" style=\"max-width:100%;height:auto;display:block;margin:24px auto;border-radius:6px;\" \/><\/p>\n<div style=\"background:linear-gradient(135deg,#1B3F6E 0%,#2D5F9A 100%);border-radius:10px;padding:4%;margin-top:32px;text-align:center;\">\n<h2 style=\"color:#fff;font-family:Arial,sans-serif;font-size:clamp(18px,2.5vw,26px);margin-top:0;\">Specify the EP-NRV-E130<\/h2>\n<p style=\"color:#D8DCE3;font-size:clamp(14px,2vw,17px);line-height:1.7;\">Our team will confirm the input shaft, ratio, and encoder bore for your extra-large chain-driven instrumented industrial application.<\/p>\n<p><a href=\"\/fa\/contact-us\/\" style=\"display:inline-block;background:#E8A020;color:#fff;font-weight:bold;font-size:clamp(14px,2vw,17px);padding:14px 32px;border-radius:6px;text-decoration:none;margin:10px 6px;\">\ud83d\udce7 \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0642\u06cc\u0645\u062a<\/a><a href=\"\/fa\/about-us\/\" style=\"display:inline-block;background:transparent;border:2px solid #fff;color:#fff;font-weight:bold;font-size:clamp(14px,2vw,17px);padding:12px 28px;border-radius:6px;text-decoration:none;margin:10px 6px;\">\ud83c\udfed \u062f\u0631\u0628\u0627\u0631\u0647 \u0627\u0648\u0631 \u067e\u0627\u0648\u0631<\/a><\/p>\n<p style=\"color:#D8DCE3;font-size:clamp(13px,1.8vw,15px);margin-bottom:0;\">&#128231; <a href=\"mailto:sales@nmrv063gearbox.com\" style=\"color:#E8A020;\">sales@nmrv063gearbox.com<\/a><\/p>\n<\/div>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);color:#3A3A3A;line-height:1.8;word-break:break-word;\">The <strong>EP-NRV-E130<\/strong> aluminium worm gearbox combines a solid shaft input (no IEC flange) with an additional worm-direction tail output shaft. Centre distance 130 mm, ratios 5 to 100, input power up to 11 kW, max output torque 12,076 N&middot;m. The tail shaft enables simultaneous encoder feedback, safety interlock monitoring, or auxiliary drive &mdash; the ideal instrumented shaft-input worm gearbox for chain-driven closed-loop agricultural, industrial, and mining drive systems.<\/p>","protected":false},"excerpt":{"rendered":"<p style=\"font-size:clamp(14px,2vw + 10px,18px);color:#3A3A3A;line-height:1.8;word-break:break-word;\">The <strong>EP-NRV-E130<\/strong> aluminium worm gearbox combines a solid shaft input (no IEC flange) with an additional worm-direction tail output shaft. Centre distance 130 mm, ratios 5 to 100, input power up to 11 kW, max output torque 12,076 N&middot;m. The tail shaft enables simultaneous encoder feedback, safety interlock monitoring, or auxiliary drive &mdash; the ideal instrumented shaft-input worm gearbox for chain-driven closed-loop agricultural, industrial, and mining drive systems.<\/p>","protected":false},"featured_media":831,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[2453],"product_tag":[2456,2451,2433,2454,2455,2401],"class_list":{"0":"post-911","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-nrv-e-worm-gearbox","7":"product_tag-chain-drive-encoder-worm-gearbox","8":"product_tag-instrumented-worm-gear-reducer","9":"product_tag-nrv-worm-gear-reducer","10":"product_tag-nrv-e-worm-gearbox","11":"product_tag-shaft-input-worm-gearbox-with-tail-shaft","12":"product_tag-worm-gearbox","14":"first","15":"instock","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/product\/911","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/comments?post=911"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/media\/831"}],"wp:attachment":[{"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/media?parent=911"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/product_brand?post=911"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/product_cat?post=911"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/fa\/wp-json\/wp\/v2\/product_tag?post=911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}