{"id":875,"date":"2026-06-26T03:01:07","date_gmt":"2026-06-26T03:01:07","guid":{"rendered":"https:\/\/nmrv063gearbox.com\/worm-drive-reducer-for-automatic-doors-and-parking-barriers\/"},"modified":"2026-06-26T03:01:10","modified_gmt":"2026-06-26T03:01:10","slug":"worm-drive-reducer-for-automatic-doors-and-parking-barriers","status":"publish","type":"post","link":"https:\/\/nmrv063gearbox.com\/ar\/worm-drive-reducer-for-automatic-doors-and-parking-barriers\/","title":{"rendered":"\u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0645\u062d\u0631\u0643 \u0627\u0644\u062f\u0648\u062f\u0629 \u0644\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u0623\u0648\u062a\u0648\u0645\u0627\u062a\u064a\u0643\u064a\u0629 \u0648\u062d\u0648\u0627\u062c\u0632 \u0645\u0648\u0627\u0642\u0641 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a"},"content":{"rendered":"<div style=\"font-family:Arial,'Segoe UI',sans-serif;color:#222;max-width:960px;margin:0 auto;line-height:1.8;\">\n<p><!-- SECTION 1: Introduction --><\/p>\n<h2 style=\"font-size:1.9em;color:#1b3a1f;border-bottom:3px solid #1b3a1f;padding-bottom:12px;margin-bottom:24px;\">\u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0645\u062d\u0631\u0643 \u0627\u0644\u062f\u0648\u062f\u0629 \u0644\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u0623\u0648\u062a\u0648\u0645\u0627\u062a\u064a\u0643\u064a\u0629 \u0648\u062d\u0648\u0627\u062c\u0632 \u0645\u0648\u0627\u0642\u0641 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/construction-industry-application.webp\" alt=\"\u0645\u062e\u0641\u0636 \u0633\u0631\u0639\u0629 \u0645\u062d\u0631\u0643 \u0627\u0644\u062f\u0648\u062f\u0629 \u0644\u0644\u0623\u0628\u0648\u0627\u0628 \u0627\u0644\u0623\u0648\u062a\u0648\u0645\u0627\u062a\u064a\u0643\u064a\u0629 \u0648\u062d\u0648\u0627\u062c\u0632 \u0645\u0648\u0627\u0642\u0641 \u0627\u0644\u0633\u064a\u0627\u0631\u0627\u062a\" style=\"width:100%;border-radius:10px;margin-bottom:28px;display:block;\" \/><\/p>\n<p style=\"font-size:1.05em;margin-bottom:18px;\">Automatic doors and parking barriers are part of the daily operational infrastructure of Australian commercial buildings, retail centres, hospitals, car parks, and residential complexes. They perform thousands of open-close cycles annually &#8212; each requiring smooth, controlled speed, precise hold in the open or closed position, and quiet operation in the occupied buildings and public spaces where they are installed. The <strong>worm drive reducer<\/strong> is the established mechanical drive for this application category, combining a compact right-angle profile that fits within motor cabinet housings, inherent self-locking that holds door and barrier positions without continuous power, and the low-noise sliding-contact gear mesh that keeps operation below workplace and residential noise limits.<\/p>\n<p style=\"font-size:1.05em;margin-bottom:18px;\">Australia&#8217;s diverse building stock &#8212; from heritage-listed inner-city buildings with strict noise requirements to high-traffic airport terminals, hospital entrances with strict hygiene and quiet-hours policies, and suburban shopping centres with high daily open-close cycle counts &#8212; creates a wide range of installation requirements that the worm reducer family serves across its full frame-size range.<\/p>\n<p style=\"font-size:1.05em;margin-bottom:18px;\">The Australian building automation market &#8212; which includes vertical lift garage doors, roller shutters, sliding gates, swing gates, and parking boom barriers &#8212; is also increasingly connected to SCADA and building management systems. Worm reducers pair with standard actuator motors, encoders, and limit switches to enable full automation integration without requiring specialised drive technology.<\/p>\n<p><!-- SECTION 2: Industry Application --><\/p>\n<h2 style=\"font-size:1.45em;color:#1b3a1f;border-left:5px solid #1b3a1f;padding-left:14px;margin:36px 0 18px 0;\">\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0635\u0646\u0627\u0639\u064a\u0629 \u0648\u062d\u0627\u0644\u0627\u062a \u0627\u0633\u062a\u062e\u062f\u0627\u0645<\/h2>\n<p style=\"margin-bottom:16px;\">Worm drive reducers are specified across the range of access control and door automation applications in Australian commercial and residential buildings:<\/p>\n<ul style=\"margin-bottom:18px;padding-left:22px;line-height:2.0;\">\n<li><strong>Electric roller shutter drives<\/strong> &#8212; motor-reducer unit driving the curtain barrel at 4&#8211;15 RPM<\/li>\n<li><strong>Sectional overhead door drives<\/strong> &#8212; controlled travel of industrial door panels on vertical track<\/li>\n<li><strong>Sliding gate drives<\/strong> &#8212; rack-and-pinion gate travel from worm output pinion<\/li>\n<li><strong>Swing gate drives<\/strong> &#8212; direct worm output to gate arm pivot for 90&#176; open-close swing<\/li>\n<li><strong>Parking boom barrier drives<\/strong> &#8212; high-cycle-rate arm raise\/lower in commercial car parks<\/li>\n<\/ul>\n<p style=\"margin-bottom:16px;\"><strong>Material specification for door and barrier service:<\/strong> Worm shaft in carbon steel with surface hardening &#8212; sufficient for the moderate torques and high cycle rates of door and barrier drives. Worm wheel in cast tin bronze &#8212; the low-noise bronze wheel is preferred over nylon for commercial and high-cycle-rate applications where consistent noise level over years of service is important. Housing in die-cast aluminium ADC12 &#8212; lightweight for motor cabinet integration, IP54 for standard indoor-outdoor commercial use. IP65 for outdoor installations exposed to rain in high-humidity coastal locations. UV-stable powder coat for outdoor exposure.<\/p>\n<p style=\"margin-bottom:16px;\"><strong>High cycle rate endurance:<\/strong> Commercial car park boom barriers in Australian CBD car parks may perform 500&#8211;1,500 open-close cycles per day across seven days per week. At this rate, the drive mechanism accumulates 180,000&#8211;550,000 cycles per year. Worm gearboxes for high-cycle barrier service should be sized at 2&#215; the calculated running torque (SF=2.0), and the frame size should be selected on the thermal power rating for the high-cycle continuous-equivalent duty.<\/p>\n<p><!-- Application image after Section 2 --><\/p>\n<div style=\"margin:28px 0;\">\n  <img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/industrial-automation-application.webp\" alt=\"Worm Drive Reducer for Automatic Doors and Parking Barriers application\" style=\"width:100%;border-radius:10px;display:block;\" \/>\n<\/div>\n<p><!-- SECTION 3: Technical Specifications --><\/p>\n<h2 style=\"font-size:1.45em;color:#1b3a1f;border-left:5px solid #1b3a1f;padding-left:14px;margin:36px 0 18px 0;\">\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629 \u0648\u062f\u0644\u064a\u0644 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<\/h2>\n<p style=\"margin-bottom:16px;font-size:0.97em;\">\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062c\u062f\u0648\u0644 \u0623\u062f\u0646\u0627\u0647 \u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0637\u0631\u0627\u0632 \u0627\u0644\u0645\u0646\u0627\u0633\u0628. \u062a\u0634\u0645\u0644 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0646\u0633\u0628\u0629 \u0627\u0644\u062a\u062e\u0641\u064a\u0636\u060c \u0648\u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0646\u0627\u062a\u062c\u060c \u0648\u0623\u0628\u0639\u0627\u062f \u0627\u0644\u0639\u0645\u0648\u062f\u060c \u0648\u0645\u0627\u062f\u0629 \u0627\u0644\u063a\u0644\u0627\u0641. \u0627\u0633\u062a\u062e\u062f\u0645 \u062f\u0627\u0626\u0645\u064b\u0627 \u0627\u0644\u0637\u0631\u0627\u0632 \u0627\u0644\u0635\u062d\u064a\u062d. <strong>\u0639\u0627\u0645\u0644 \u0627\u0644\u062e\u062f\u0645\u0629 (SF)<\/strong> \u0644\u062f\u0648\u0631\u0629 \u0639\u0645\u0644\u0643.<\/p>\n<div style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,0.09);margin-bottom:16px;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.95em;min-width:600px;\">\n<thead>\n<tr>\n<th style=\"background-color:#1b3a1f;color:white;padding:13px 15px;text-align:left;white-space:nowrap;\">\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/th>\n<th style=\"background-color:#1b3a1f;color:white;padding:13px 15px;text-align:left;\">\u0627\u0644\u0646\u0637\u0627\u0642 \/ \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/th>\n<th style=\"background-color:#1b3a1f;color:white;padding:13px 15px;text-align:left;\">\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background:#f8f9fa;\">\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;white-space:nowrap;font-weight:600;\">\u0646\u0633\u0628\u0629<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;\">15:1 &#8211; 60:1 for door\/barrier applications<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;color:#555;\">Lower ratios for fast-cycle barriers; higher for heavy shutters<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;white-space:nowrap;font-weight:600;\">\u0639\u0632\u0645 \u0627\u0644\u062f\u0648\u0631\u0627\u0646 \u0627\u0644\u0646\u0627\u062a\u062c<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;\">10 &#8211; 500 N&#183;m<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;color:#555;\">Covers residential roller shutters to industrial overhead doors<\/td>\n<\/tr>\n<tr style=\"background:#f8f9fa;\">\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;white-space:nowrap;font-weight:600;\">Input Shaft<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;\"><strong>IEC 60034<\/strong> B14 face flange<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;color:#555;\">Direct-mount to compact single or three-phase motor<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;white-space:nowrap;font-weight:600;\">\u0645\u0648\u0627\u062f \u0627\u0644\u0628\u0646\u0627\u0621<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;\">Aluminium ADC12 standard<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;color:#555;\">IP54 indoor\/standard outdoor; IP65 coastal\/exposed locations<\/td>\n<\/tr>\n<tr style=\"background:#f8f9fa;\">\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;white-space:nowrap;font-weight:600;\">Shaft Seals<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;\">Double-lip NBR (indoor\/dry); FKM (coastal\/wet)<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;color:#555;\">FKM recommended within 5 km of coastline<\/td>\n<\/tr>\n<tr style=\"\">\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;white-space:nowrap;font-weight:600;\">\u062a\u0634\u062d\u064a\u0645<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;\">Synthetic ISO VG 220 (3,000 hr or 2-year interval)<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;color:#555;\">Extended interval for commercial building maintenance cycles<\/td>\n<\/tr>\n<tr style=\"background:#f8f9fa;\">\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;white-space:nowrap;font-weight:600;\">\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0636\u0648\u0636\u0627\u0621<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;\">&lt; 60 dB(A)<\/td>\n<td style=\"padding:11px 14px;border-bottom:1px solid #e0e0e0;color:#555;\">Required for hospital, residential, and office building locations<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"font-size:0.92em;color:#555;margin-bottom:8px;\">&#9658; <strong>\u0639\u0627\u0645\u0644 \u0627\u0644\u062e\u062f\u0645\u0629 (SF):<\/strong> \u062d\u0645\u0644 \u0645\u0646\u062a\u0638\u0645 SF=1.0 | \u0635\u062f\u0645\u0629 \u0645\u062a\u0648\u0633\u0637\u0629 SF=1.25\u20131.5 | \u0635\u062f\u0645\u0629 \u0634\u062f\u064a\u062f\u0629 \/ 24 \u0633\u0627\u0639\u0629 \u0645\u062a\u0648\u0627\u0635\u0644\u0629 SF=1.75\u20132.0<\/p>\n<p style=\"font-size:0.92em;color:#555;margin-bottom:24px;\">&#9658; <strong>\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629:<\/strong> \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0645\u0635\u0646\u0641\u0629 \u0645\u0646 -10 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 +40 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629. \u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u0648\u0627\u0642\u0639 \u0627\u0644\u0623\u0633\u062a\u0631\u0627\u0644\u064a\u0629 \u0630\u0627\u062a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u062d\u064a\u0637\u0629 \u0627\u0644\u0645\u0631\u062a\u0641\u0639\u0629 (&gt;45 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629) \u0645\u0648\u0627\u062f \u062a\u0634\u062d\u064a\u0645 \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u062a\u062e\u0641\u064a\u0636 \u062d\u0631\u0627\u0631\u064a 15%.<\/p>\n<p><!-- Product image 1 after Section 3 --><\/p>\n<div style=\"display:flex;gap:24px;align-items:center;flex-wrap:wrap;background:#e8f4ed;border-radius:10px;padding:24px;margin-bottom:36px;\">\n  <img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nmrv-e-aluminum-worm-reducer.webp\" alt=\"\u0639\u0644\u0628\u0629 \u062a\u0631\u0648\u0633 \u062f\u0648\u062f\u0629 NMRV NRV\" style=\"width:220px;max-width:100%;border-radius:8px;flex-shrink:0;\" \/><\/p>\n<div style=\"flex:1;min-width:200px;\">\n    <strong style=\"color:#1b3a1f;display:block;font-size:1.05em;margin-bottom:10px;\">\u0639\u0644\u0628\u0629 \u062a\u0631\u0648\u0633 \u062f\u0648\u062f\u0629 \u0645\u0646 \u0633\u0644\u0633\u0644\u0629 NMRV \/ NRV<\/strong><\/p>\n<p style=\"margin:0;font-size:0.95em;color:#444;line-height:1.8;\">\u0645\u062a\u0648\u0641\u0631 \u0628\u0623\u062d\u062c\u0627\u0645 \u0625\u0637\u0627\u0631\u0627\u062a \u0645\u0646 025 \u0625\u0644\u0649 150. \u0646\u0633\u0628 \u062a\u062e\u0641\u064a\u0636 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0645\u0631\u062d\u0644\u0629 \u0645\u0646 5:1 \u0625\u0644\u0649 100:1. \u0639\u0632\u0645 \u062f\u0648\u0631\u0627\u0646 \u062e\u0631\u062c \u064a\u0635\u0644 \u0625\u0644\u0649 4200 \u0646\u064a\u0648\u062a\u0646 \u0645\u062a\u0631. \u0647\u064a\u0643\u0644 \u0645\u0646 \u0627\u0644\u0623\u0644\u0648\u0645\u0646\u064a\u0648\u0645 \u0623\u0648 \u0627\u0644\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0637\u0627\u0648\u0639. \u0634\u0641\u0629 \u0645\u062d\u0631\u0643 IEC B5\/B14. \u0645\u0639\u064a\u0627\u0631 IP65\u060c \u0648IP66\/IP67 \u0627\u062e\u062a\u064a\u0627\u0631\u064a. \u062a\u0634\u062d\u064a\u0645 \u0628\u0632\u064a\u062a \u0635\u0646\u0627\u0639\u064a \u0623\u0648 \u0645\u0639\u062f\u0646\u064a.<\/p>\n<\/p><\/div>\n<\/div>\n<p><!-- SECTION 4: Compliance --><\/p>\n<h2 style=\"font-size:1.45em;color:#1b3a1f;border-left:5px solid #1b3a1f;padding-left:14px;margin:36px 0 18px 0;\">\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0648\u0627\u0644\u062c\u0648\u062f\u0629<\/h2>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin-bottom:32px;\">\n<div style=\"flex:1 1 175px;background:#e8f4ed;border-radius:8px;padding:18px 20px;border-top:4px solid #1b3a1f;\">\n    <strong style=\"color:#1b3a1f;display:block;margin-bottom:6px;\">\u2713 ISO 9001:2015<\/strong><br \/>\n    <span style=\"font-size:0.9em;color:#444;\">\u0646\u0638\u0627\u0645 \u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u062c\u0648\u062f\u0629 \u0645\u0639\u062a\u0645\u062f. \u064a\u062a\u0645 \u062a\u0635\u0646\u064a\u0639 \u0643\u0644 \u0648\u062d\u062f\u0629 \u0648\u0641\u062d\u0635\u0647\u0627 \u0648\u0641\u0642\u064b\u0627 \u0644\u0646\u0638\u0627\u0645 \u0625\u062f\u0627\u0631\u0629 \u062c\u0648\u062f\u0629 \u0645\u0648\u062b\u0642 \u0645\u0639 \u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u062a\u062a\u0628\u0639 \u0643\u0627\u0645\u0644\u0629.<\/span>\n  <\/div>\n<div style=\"flex:1 1 175px;background:#e8f4ed;border-radius:8px;padding:18px 20px;border-top:4px solid #1b3a1f;\">\n    <strong style=\"color:#1b3a1f;display:block;margin-bottom:6px;\">\u2713 \u0634\u0647\u0627\u062f\u0629 CE<\/strong><br \/>\n    <span style=\"font-size:0.9em;color:#444;\">\u062d\u0627\u0635\u0644\u0629 \u0639\u0644\u0649 \u0639\u0644\u0627\u0645\u0629 CE \u0648\u0641\u0642\u0627\u064b \u0644\u062a\u0648\u062c\u064a\u0647\u0627\u062a \u0627\u0644\u0627\u062a\u062d\u0627\u062f \u0627\u0644\u0623\u0648\u0631\u0648\u0628\u064a \u0628\u0634\u0623\u0646 \u0627\u0644\u0622\u0644\u0627\u062a. \u0645\u0642\u0628\u0648\u0644\u0629 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u0641\u064a \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0627\u0644\u0623\u0633\u062a\u0631\u0627\u0644\u064a\u0629 \u0648\u0627\u0644\u0646\u064a\u0648\u0632\u064a\u0644\u0646\u062f\u064a\u0629.<\/span>\n  <\/div>\n<div style=\"flex:1 1 175px;background:#e8f4ed;border-radius:8px;padding:18px 20px;border-top:4px solid #1b3a1f;\">\n    <strong style=\"color:#1b3a1f;display:block;margin-bottom:6px;\">&#10003; <strong>\u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 IEC 60034<\/strong><\/strong><br \/>\n    <span style=\"font-size:0.9em;color:#444;\"><strong>\u0623\u0628\u0639\u0627\u062f \u0627\u0644\u0634\u0641\u0629 \u0648\u0627\u0644\u0639\u0645\u0648\u062f \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0644\u062c\u0646\u0629 \u0627\u0644\u0643\u0647\u0631\u0648\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062f\u0648\u0644\u064a\u0629 (IEC).<\/strong> \u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0645\u0639 \u062c\u0645\u064a\u0639 \u0645\u0627\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629.<\/span>\n  <\/div>\n<div style=\"flex:1 1 175px;background:#e8f4ed;border-radius:8px;padding:18px 20px;border-top:4px solid #1b3a1f;\">\n    <strong style=\"color:#1b3a1f;display:block;margin-bottom:6px;\">\u2713 \u062d\u0645\u0627\u064a\u0629 IP65 \/ IP66<\/strong><br \/>\n    <span style=\"font-size:0.9em;color:#444;\">\u0645\u0627\u0646\u0639 \u0644\u0644\u063a\u0628\u0627\u0631 \u0648\u0645\u0642\u0627\u0648\u0645 \u0644\u0631\u0630\u0627\u0630 \u0627\u0644\u0645\u0627\u0621 \u0639\u0627\u0644\u064a \u0627\u0644\u0636\u063a\u0637. \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0645\u0639\u062a\u0645\u062f \u0644\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u062e\u0627\u0631\u062c\u064a\u0629 \u0641\u064a \u0623\u0633\u062a\u0631\u0627\u0644\u064a\u0627.<\/span>\n  <\/div>\n<\/div>\n<p><!-- SECTION 5: Case Studies --><\/p>\n<h2 style=\"font-size:1.45em;color:#1b3a1f;border-left:5px solid #1b3a1f;padding-left:14px;margin:36px 0 18px 0;\">\u062f\u0631\u0627\u0633\u0627\u062a \u0627\u0644\u062d\u0627\u0644\u0629<\/h2>\n<div style=\"background:white;border:1px solid #dde3ee;border-left:5px solid #1b3a1f;border-radius:8px;padding:26px;margin-bottom:20px;\">\n<div style=\"display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap;\">\n    <span style=\"font-size:2em;flex-shrink:0;\">&#127978;&#65039;<\/span><\/p>\n<div style=\"flex:1;min-width:220px;\">\n<h3 style=\"margin:0 0 8px 0;color:#1b3a1f;font-size:1.05em;\">Case Study 1 &#8212; Shopping Centre Roller Shutters, Adelaide SA<\/h3>\n<div style=\"display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;\">\n        <span style=\"background:#1b3a1f;color:white;font-size:0.78em;padding:2px 10px;border-radius:20px;\">Retail<\/span><br \/>\n        <span style=\"border:1px solid #1b3a1f;color:#1b3a1f;font-size:0.78em;padding:2px 10px;border-radius:20px;\">Security Roller Shutters &#8212; Multi-Tenancy Centre<\/span>\n      <\/div>\n<p style=\"margin:0 0 8px 0;font-size:0.94em;\"><strong>\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0639\u0645\u064a\u0644:<\/strong> A shopping centre management company in Adelaide was replacing roller shutter drives every 8&#8211;12 months across a 48-unit tenancy centre. The drives were specified for 50 cycles per day but tenancy operations were demanding 200+ cycles per day. Drive motor overloading and gear wear were the consistent failure modes.<\/p>\n<p style=\"margin:0 0 8px 0;font-size:0.94em;\"><strong>\u062d\u0644:<\/strong> NMRV-063 worm gearboxes (ratio 30:1, SF=2.0 torque selection for high-cycle duty, aluminium IP54 housing, synthetic lubricant) were installed across all 48 shutter drives.<\/p>\n<p style=\"margin:0;font-size:0.94em;\"><strong>\u0646\u062a\u064a\u062c\u0629:<\/strong> Shutter drive life extended from 8&#8211;12 months to over 30 months at first replacement assessment. Annual shutter drive maintenance cost for the centre reduced from $38,000 to under $7,000.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<div style=\"background:white;border:1px solid #dde3ee;border-left:5px solid #1b3a1f;border-radius:8px;padding:26px;margin-bottom:20px;\">\n<div style=\"display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap;\">\n    <span style=\"font-size:2em;flex-shrink:0;\">&#127973;&#65039;<\/span><\/p>\n<div style=\"flex:1;min-width:220px;\">\n<h3 style=\"margin:0 0 8px 0;color:#1b3a1f;font-size:1.05em;\">Case Study 2 &#8212; Hospital Main Entrance Sliding Door, Melbourne VIC<\/h3>\n<div style=\"display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;\">\n        <span style=\"background:#1b3a1f;color:white;font-size:0.78em;padding:2px 10px;border-radius:20px;\">Healthcare<\/span><br \/>\n        <span style=\"border:1px solid #1b3a1f;color:#1b3a1f;font-size:0.78em;padding:2px 10px;border-radius:20px;\">Automatic Sliding Door &#8212; Hospital Main Entrance<\/span>\n      <\/div>\n<p style=\"margin:0 0 8px 0;font-size:0.94em;\"><strong>\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0639\u0645\u064a\u0644:<\/strong> A Melbourne metropolitan hospital was experiencing noise complaints from patients on wards adjacent to the main entrance sliding door corridor. The door drive unit was generating 74 dB(A) &#8212; audible from ward rooms 15 metres away during night-time, violating the hospital&#8217;s quiet-hours policy.<\/p>\n<p style=\"margin:0 0 8px 0;font-size:0.94em;\"><strong>\u062d\u0644:<\/strong> NMRV-040 worm gearbox (ratio 20:1, aluminium IP54, tin bronze wheel for low-noise operation, synthetic lubricant) replaced the spur gear drive unit.<\/p>\n<p style=\"margin:0;font-size:0.94em;\"><strong>\u0646\u062a\u064a\u062c\u0629:<\/strong> Door drive noise reduced to 58 dB(A) &#8212; below the hospital&#8217;s quiet-hours limit of 65 dB(A). Patient complaints on the adjacent wards eliminated.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<div style=\"background:white;border:1px solid #dde3ee;border-left:5px solid #1b3a1f;border-radius:8px;padding:26px;margin-bottom:20px;\">\n<div style=\"display:flex;gap:14px;align-items:flex-start;flex-wrap:wrap;\">\n    <span style=\"font-size:2em;flex-shrink:0;\">&#128664;<\/span><\/p>\n<div style=\"flex:1;min-width:220px;\">\n<h3 style=\"margin:0 0 8px 0;color:#1b3a1f;font-size:1.05em;\">Case Study 3 &#8212; Hospital Car Park Boom Barriers, Brisbane QLD<\/h3>\n<div style=\"display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;\">\n        <span style=\"background:#1b3a1f;color:white;font-size:0.78em;padding:2px 10px;border-radius:20px;\">Healthcare \/ Car Park Management<\/span><br \/>\n        <span style=\"border:1px solid #1b3a1f;color:#1b3a1f;font-size:0.78em;padding:2px 10px;border-radius:20px;\">Parking Boom Barriers &#8212; Multi-Deck Hospital Car Park<\/span>\n      <\/div>\n<p style=\"margin:0 0 8px 0;font-size:0.94em;\"><strong>\u0645\u0634\u0643\u0644\u0629 \u0627\u0644\u0639\u0645\u064a\u0644:<\/strong> A Brisbane hospital&#8217;s multi-deck car park processing 2,800 vehicle movements per day across four entry-exit barrier lanes was requiring gear replacement every 6 months due to worm wheel wear &#8212; caused by the high cycle rate combined with inadequate service factor selection.<\/p>\n<p style=\"margin:0 0 8px 0;font-size:0.94em;\"><strong>\u062d\u0644:<\/strong> NRV series worm gearboxes (ratio 20:1, SF=2.0 for high-cycle barrier duty, aluminium IP54, POM nylon worm wheel for noise reduction, synthetic ISO VG 220) replaced the original units.<\/p>\n<p style=\"margin:0;font-size:0.94em;\"><strong>\u0646\u062a\u064a\u062c\u0629:<\/strong> Gear wear rate reduced by 75% &#8212; projected service life extended from 6 months to over 24 months. Night-time barrier noise reduced to 42 dB(A). The hospital&#8217;s car park management contractor confirmed this was the lowest-maintenance barrier specification they had deployed across a portfolio of 18 Queensland hospital sites.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<p><!-- Product image 2 after Section 5 --><\/p>\n<div style=\"text-align:center;margin:32px 0;\">\n  <img decoding=\"async\" src=\"https:\/\/nmrv063gearbox.com\/wp-content\/uploads\/2026\/06\/nrv-worm-gearbox-2.webp\" alt=\"\u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646\u062a\u062c\u0627\u062a \u0639\u0644\u0628\u0629 \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u062f\u0648\u062f\u064a\u0629\" style=\"width:100%;max-width:520px;border-radius:10px;display:inline-block;\" \/><\/p>\n<p style=\"font-size:0.88em;color:#666;margin-top:10px;\">\u0639\u0644\u0628 \u062a\u0631\u0648\u0633 \u062f\u0648\u062f\u0629 \u0645\u0646 \u0633\u0644\u0633\u0644\u0629 NMRV \/ NRV - \u0623\u062d\u062c\u0627\u0645 \u0627\u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0645\u0646 025 \u0625\u0644\u0649 150\u060c \u0645\u0635\u0646\u0639\u0629 \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u064a\u0627\u0631 ISO 9001:2015<\/p>\n<\/div>\n<p><!-- SECTION 6: Why Choose Us --><\/p>\n<h2 style=\"font-size:1.45em;color:#1b3a1f;border-left:5px solid #1b3a1f;padding-left:14px;margin:36px 0 18px 0;\">\u0644\u0645\u0627\u0630\u0627 \u062a\u062e\u062a\u0627\u0631\u0646\u0627\u061f<\/h2>\n<div style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(185px,1fr));gap:16px;margin-bottom:36px;\">\n<div style=\"background:#1b3a1f;color:white;border-radius:10px;padding:22px 20px;text-align:center;\">\n<div style=\"font-size:2em;margin-bottom:10px;\">&#127981;<\/div>\n<p>    <strong style=\"display:block;margin-bottom:8px;font-size:0.96em;\">\u0623\u0643\u062b\u0631 \u0645\u0646 20 \u0639\u0627\u0645\u064b\u0627 \u0645\u0646 \u0627\u0644\u062a\u0635\u0646\u064a\u0639<\/strong><br \/>\n    <span style=\"font-size:0.86em;opacity:0.9;\">\u0625\u0646\u062a\u0627\u062c \u0645\u0639\u062a\u0645\u062f \u0645\u0646 ISO \u0645\u0646\u0630 \u0639\u0627\u0645 2003. \u064a\u062a\u0645 \u0634\u062d\u0646 \u0639\u0644\u0628 \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u062f\u0648\u062f\u064a\u0629 \u0625\u0644\u0649 \u0623\u0643\u062b\u0631 \u0645\u0646 60 \u062f\u0648\u0644\u0629.<\/span>\n  <\/div>\n<div style=\"background:#1b3a1f;color:white;border-radius:10px;padding:22px 20px;text-align:center;\">\n<div style=\"font-size:2em;margin-bottom:10px;\">&#128222;<\/div>\n<p>    <strong style=\"display:block;margin-bottom:8px;font-size:0.96em;\">\u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0641\u0646\u064a \u0639\u0646 \u0628\u0639\u062f<\/strong><br \/>\n    <span style=\"font-size:0.86em;opacity:0.9;\">\u062a\u0634\u062e\u064a\u0635 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0639\u0628\u0631 \u0645\u0643\u0627\u0644\u0645\u0627\u062a \u0627\u0644\u0641\u064a\u062f\u064a\u0648 \u0641\u064a \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0632\u0645\u0646\u064a\u0629 \u0627\u0644\u0623\u0633\u062a\u0631\u0627\u0644\u064a\u0629. \u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0633\u0631\u064a\u0639\u0629 \u062f\u0648\u0646 \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0632\u064a\u0627\u0631\u0627\u062a \u0645\u064a\u062f\u0627\u0646\u064a\u0629.<\/span>\n  <\/div>\n<div style=\"background:#1b3a1f;color:white;border-radius:10px;padding:22px 20px;text-align:center;\">\n<div style=\"font-size:2em;margin-bottom:10px;\">&#9881;&#65039;<\/div>\n<p>    <strong style=\"display:block;margin-bottom:8px;font-size:0.96em;\">\u062a\u062e\u0635\u064a\u0635 OEM \/ ODM<\/strong><br \/>\n    <span style=\"font-size:0.86em;opacity:0.9;\">\u0623\u0639\u0645\u062f\u0629 \u063a\u064a\u0631 \u0642\u064a\u0627\u0633\u064a\u0629\u060c \u062a\u062c\u0648\u064a\u0641 \u0645\u062c\u0648\u0641\u060c \u062d\u0648\u0627\u0641 \u0648\u0646\u0633\u0628 \u0645\u062e\u0635\u0635\u0629. \u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0631\u0633\u0645 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 \u0645\u062a\u0627\u062d\u0629.<\/span>\n  <\/div>\n<div style=\"background:#1b3a1f;color:white;border-radius:10px;padding:22px 20px;text-align:center;\">\n<div style=\"font-size:2em;margin-bottom:10px;\">&#128176;<\/div>\n<p>    <strong style=\"display:block;margin-bottom:8px;font-size:0.96em;\">\u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u0628\u0627\u0634\u0631\u0629 \u0645\u0646 \u0627\u0644\u0645\u0635\u0646\u0639<\/strong><br \/>\n    <span style=\"font-size:0.86em;opacity:0.9;\">\u0644\u0627 \u064a\u0648\u062c\u062f \u0647\u0627\u0645\u0634 \u0631\u0628\u062d \u0644\u0644\u0645\u0648\u0632\u0639\u064a\u0646. \u0623\u0633\u0639\u0627\u0631 \u0634\u0641\u0627\u0641\u0629 \u0644\u0644\u0643\u0645\u064a\u0627\u062a \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0645\u0639 \u062a\u0648\u0641\u064a\u0631 \u0643\u0628\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629.<\/span>\n  <\/div>\n<div style=\"background:#1b3a1f;color:white;border-radius:10px;padding:22px 20px;text-align:center;\">\n<div style=\"font-size:2em;margin-bottom:10px;\">&#128230;<\/div>\n<p>    <strong style=\"display:block;margin-bottom:8px;font-size:0.96em;\">\u0645\u062a\u0648\u0641\u0631 \u0641\u064a \u0627\u0644\u0645\u062e\u0632\u0648\u0646 \u0648\u0634\u062d\u0646 \u0633\u0631\u064a\u0639<\/strong><br \/>\n    <span style=\"font-size:0.86em;opacity:0.9;\">\u062a\u062a\u0648\u0641\u0631 \u0625\u0637\u0627\u0631\u0627\u062a NMRV\/NRV \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0641\u064a \u0627\u0644\u0645\u062e\u0632\u0648\u0646. \u064a\u062a\u0645 \u062a\u062c\u0647\u064a\u0632 \u0627\u0644\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0639\u0627\u062c\u0644\u0629 \u0644\u0644\u0634\u062d\u0646 \u0627\u0644\u0633\u0631\u064a\u0639.<\/span>\n  <\/div>\n<\/div>\n<p><!-- SECTION 7: FAQ --><\/p>\n<h2 style=\"font-size:1.45em;color:#1b3a1f;border-left:5px solid #1b3a1f;padding-left:14px;margin:36px 0 18px 0;\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<details style=\"border:1px solid #dde3ee;border-radius:8px;margin-bottom:10px;overflow:hidden;\">\n<summary style=\"background:#e8f4ed;padding:15px 20px;cursor:pointer;font-weight:600;color:#1b3a1f;list-style:none;font-size:1em;\">&#9660;&nbsp;What worm gearbox ratio is correct for a roller shutter or automatic door application?<\/summary>\n<div style=\"padding:16px 20px;background:white;color:#444;line-height:1.75;font-size:0.96em;\">Required ratio = Motor speed (RPM) &#247; Required drum\/barrel speed (RPM). For a roller shutter with a 100 mm diameter barrel operating at 10 RPM: with a 1,400 RPM motor, required ratio = 1,400 &#247; 10 = 140:1 (two-stage). For a sliding gate with a 10 m stroke requiring 30 seconds open\/close travel: gate travel speed = 0.33 m\/s. At a rack pitch of 25 mm, pinion speed = 13.3 RPM. With a 1,400 RPM motor, ratio = 105:1 (two-stage NMRV tandem). Contact our <a href='\/ar\/contact-us\/' style='color:inherit;font-weight:600;'>team<\/a> for a specific ratio calculation.<\/div>\n<\/details>\n<details style=\"border:1px solid #dde3ee;border-radius:8px;margin-bottom:10px;overflow:hidden;\">\n<summary style=\"background:#e8f4ed;padding:15px 20px;cursor:pointer;font-weight:600;color:#1b3a1f;list-style:none;font-size:1em;\">&#9660;&nbsp;Does a worm gearbox for a roller shutter need a secondary brake, and does it comply with AS 5007?<\/summary>\n<div style=\"padding:16px 20px;background:white;color:#444;line-height:1.75;font-size:0.96em;\">AS 5007 (Australian standard for industrial roller doors) specifies requirements for door drive systems. For roller shutters where the curtain weight is below the self-locking threshold of the worm gear (typically curtains under 60&#8211;80 kg dead weight), the worm self-lock provides the required load-holding function. For heavier industrial fire-rated or security-rated curtains, a secondary fail-safe spring brake or electromagnetic brake is required by AS 5007. We recommend consulting a certified door installer or WHS safety engineer to confirm the brake requirement for your specific shutter specification.<\/div>\n<\/details>\n<details style=\"border:1px solid #dde3ee;border-radius:8px;margin-bottom:10px;overflow:hidden;\">\n<summary style=\"background:#e8f4ed;padding:15px 20px;cursor:pointer;font-weight:600;color:#1b3a1f;list-style:none;font-size:1em;\">&#9660;&nbsp;What IP rating should I specify for an outdoor car park boom barrier drive in coastal Queensland?<\/summary>\n<div style=\"padding:16px 20px;background:white;color:#444;line-height:1.75;font-size:0.96em;\">For outdoor car park installations in coastal Queensland (within 10 km of the coast), specify IP65 minimum. For boom barriers within 2 km of the coastline, also specify aluminium housing with a salt-fog tested UV-stable anodised or powder-coat finish. FKM shaft seals should be specified for coastal locations as NBR can swell in the presence of condensed salt-bearing humidity over 5+ years of coastal service.<\/div>\n<\/details>\n<details style=\"border:1px solid #dde3ee;border-radius:8px;margin-bottom:10px;overflow:hidden;\">\n<summary style=\"background:#e8f4ed;padding:15px 20px;cursor:pointer;font-weight:600;color:#1b3a1f;list-style:none;font-size:1em;\">&#9660;&nbsp;Can a worm gearbox hold a car park barrier arm in the raised position overnight without continuous power?<\/summary>\n<div style=\"padding:16px 20px;background:white;color:#444;line-height:1.75;font-size:0.96em;\">Yes &#8212; the worm self-lock holds the barrier arm at any position (raised, lowered, or intermediate) without motor current. For a standard counterbalanced boom arm, the self-lock only needs to hold the residual unbalanced torque from wind load and spring-balance variation &#8212; typically a few N&#183;m, well within any standard worm gearbox&#8217;s holding capacity.<\/div>\n<\/details>\n<details style=\"border:1px solid #dde3ee;border-radius:8px;margin-bottom:10px;overflow:hidden;\">\n<summary style=\"background:#e8f4ed;padding:15px 20px;cursor:pointer;font-weight:600;color:#1b3a1f;list-style:none;font-size:1em;\">&#9660;&nbsp;How many cycles per day can a worm gearbox handle in a commercial car park boom barrier application?<\/summary>\n<div style=\"padding:16px 20px;background:white;color:#444;line-height:1.75;font-size:0.96em;\">Standard commercial specification worm gearboxes (SF=1.0) are rated for light-duty barrier applications up to approximately 100&#8211;150 cycles per day. For multi-deck hospital or CBD office car parks with 200&#8211;500+ cycles per day, a service factor of SF=2.0 must be applied to the torque selection, and the frame size should be confirmed on the thermal power rating for the continuous-equivalent duty cycle. At 500+ cycles per day, also specify synthetic lubricant and schedule a worm wheel inspection at 24 months to assess wear against the design life expectation.<\/div>\n<\/details>\n<p><!-- SECTION 8: CTA --><\/p>\n<div style=\"background:#1b3a1f;color:white;padding:38px 36px;border-radius:12px;text-align:center;margin-top:40px;\">\n<h2 style=\"margin:0 0 14px 0;font-size:1.4em;color:white;\">Get Automatic Door and Barrier Drive Selection Support<\/h2>\n<p style=\"margin:0 0 26px 0;opacity:0.92;max-width:580px;margin-left:auto;margin-right:auto;font-size:1em;\">\u0645\u0647\u0646\u062f\u0633\u0648\u0646\u0627 \u0639\u0644\u0649 \u0627\u0633\u062a\u0639\u062f\u0627\u062f \u0644\u0644\u062a\u0648\u0635\u064a\u0629 \u0628\u0646\u0645\u0648\u0630\u062c \u0639\u0644\u0628\u0629 \u0627\u0644\u062a\u0631\u0648\u0633 \u0627\u0644\u062f\u0648\u062f\u064a\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u060c \u0648\u0627\u0644\u0646\u0633\u0628\u0629\u060c \u0648\u062a\u0643\u0648\u064a\u0646 \u0627\u0644\u0639\u0645\u0648\u062f\u060c \u0648\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0644\u062a\u0637\u0628\u064a\u0642\u0643.<\/p>\n<div style=\"display:flex;gap:14px;justify-content:center;flex-wrap:wrap;\">\n    <a href=\"\/ar\/contact-us\/\" style=\"display:inline-block;background:#40916c;color:white;padding:13px 32px;border-radius:6px;font-weight:700;text-decoration:none;font-size:1em;\">\u0627\u0637\u0644\u0628 \u0639\u0631\u0636 \u0633\u0639\u0631 \u0645\u062c\u0627\u0646\u064a<\/a><br \/>\n    <a href=\"\/ar\/products\/\" style=\"display:inline-block;background:transparent;color:white;border:2px solid white;padding:13px 32px;border-radius:6px;font-weight:700;text-decoration:none;font-size:1em;\">\u0639\u0631\u0636 \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a<\/a>\n  <\/div>\n<p style=\"margin-top:18px;font-size:0.87em;opacity:0.8;\">\u0627\u0633\u062a\u0643\u0634\u0641 \u0627\u0644\u0645\u0632\u064a\u062f \u062d\u0648\u0644 <a href=\"\/ar\/applications\/\" style=\"color:white;text-decoration:underline;\">\u0635\u0641\u062d\u0629 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/a> \u0623\u0648 \u062a\u0639\u0631\u0641 \u0639\u0644\u064a\u0646\u0627 \u0645\u0646 \u062e\u0644\u0627\u0644 <a href=\"\/ar\/about-us\/\" style=\"color:white;text-decoration:underline;\">\u0635\u0641\u062d\u0629 \"\u0646\u0628\u0630\u0629 \u0639\u0646\u0627\"<\/a>.<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Worm Drive Reducer for Automatic Doors and Parking Barriers Automatic doors and parking barriers are part of the daily operational infrastructure of Australian commercial buildings, retail centres, hospitals, car parks, and residential complexes. They perform thousands of open-close cycles annually &#8212; each requiring smooth, controlled speed, precise hold in the open or closed position, and [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[2388],"tags":[2522,2525,2523,2524,911],"class_list":["post-875","post","type-post","status-publish","format-standard","hentry","category-construction-infrastructure","tag-automatic-door-drive","tag-boom-barrier","tag-parking-barrier-gearbox","tag-roller-shutter","tag-worm-reducer"],"_links":{"self":[{"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/posts\/875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/comments?post=875"}],"version-history":[{"count":1,"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/posts\/875\/revisions"}],"predecessor-version":[{"id":961,"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/posts\/875\/revisions\/961"}],"wp:attachment":[{"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/media?parent=875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/categories?post=875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nmrv063gearbox.com\/ar\/wp-json\/wp\/v2\/tags?post=875"}],"curies":[{"name":"\u0648\u0648\u0631\u062f\u0628\u0631\u064a\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}