{"id":908,"date":"2026-06-25T09:01:28","date_gmt":"2026-06-25T09:01:28","guid":{"rendered":"https:\/\/nmrv063gearbox.com\/product\/ep-nrv-e075-aluminium-worm-gearbox\/"},"modified":"2026-06-25T09:01:29","modified_gmt":"2026-06-25T09:01:29","slug":"ep-nrv-e075-aluminium-worm-gearbox","status":"publish","type":"product","link":"https:\/\/nmrv063gearbox.com\/zh\/product\/ep-nrv-e075-aluminium-worm-gearbox\/","title":{"rendered":"EP-NRV-E075 Aluminium Worm Gearbox"},"content":{"rendered":"

EP-NRV-E075 — Shaft-Input Aluminium Worm Gearbox with Tail Output Shaft<\/h2>\n

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\"EP-NRV-E075<\/p>\n

Technical Specifications — EP-NRV-E075<\/h2>\n

\"NRV-E075<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Series<\/td>\nNRV-E (Solid Shaft Input, No Flange, Worm-Direction Tail Output Shaft)<\/td>\n<\/tr>\n
Centre Distance<\/td>\n075 mm<\/td>\n<\/tr>\n
Reduction Ratios<\/td>\n5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100<\/td>\n<\/tr>\n
Rated Input Power<\/td>\nUp to 4.0 kW<\/td>\n<\/tr>\n
Output Speed Range<\/td>\n14 to 280 r\/min (at 1400 r\/min input)<\/td>\n<\/tr>\n
Max Output Torque<\/td>\n6,603 N·m<\/td>\n<\/tr>\n
Input Configuration<\/td>\nSolid shaft input (no IEC flange) + worm-direction tail output shaft<\/td>\n<\/tr>\n
Input Shaft<\/td>\nSolid keyed shaft input<\/td>\n<\/tr>\n
Tail Output Shaft<\/td>\nWorm-direction (co-axial with worm shaft, opposite end)<\/td>\n<\/tr>\n
Housing Material<\/td>\nDie-cast aluminium alloy<\/td>\n<\/tr>\n
Worm Wheel Material<\/td>\nPhosphor bronze<\/td>\n<\/tr>\n
Worm Shaft Material<\/td>\n20CrMnTi alloy steel, case hardened, precision ground<\/td>\n<\/tr>\n
Output Bore Diameter<\/td>\n35 mm H7 with keyway<\/td>\n<\/tr>\n
Lubrication<\/td>\nISO VG 220 gear oil (factory filled)<\/td>\n<\/tr>\n
Mounting Positions<\/td>\nB3, B6, B7, B8, V5, V6<\/td>\n<\/tr>\n
Protection Class<\/td>\nIP54<\/td>\n<\/tr>\n
Ambient Temperature<\/td>\n-10°C to +40°C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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NRV-E075 Performance Table (4.0 kW \/ 1400 r\/min)<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ratio (i)<\/th>\nOutput Speed (r\/min)<\/th>\nOutput Torque (N·m)<\/th>\nService Factor (fs)<\/th>\n<\/tr>\n<\/thead>\n
7.5<\/td>\n187<\/td>\n2,785<\/td>\n1.9<\/td>\n<\/tr>\n
10<\/td>\n140<\/td>\n3,065<\/td>\n1.5<\/td>\n<\/tr>\n
15<\/td>\n93<\/td>\n3,509<\/td>\n1.1<\/td>\n<\/tr>\n
20<\/td>\n70<\/td>\n3,882<\/td>\n1.1<\/td>\n<\/tr>\n
25<\/td>\n56<\/td>\n4,273<\/td>\n1.0<\/td>\n<\/tr>\n
30<\/td>\n47<\/td>\n4,421<\/td>\n1.0<\/td>\n<\/tr>\n
40<\/td>\n35<\/td>\n4,865<\/td>\n1.5<\/td>\n<\/tr>\n
50<\/td>\n28<\/td>\n5,241<\/td>\n1.2<\/td>\n<\/tr>\n
60<\/td>\n23<\/td>\n5,569<\/td>\n1.0<\/td>\n<\/tr>\n
80<\/td>\n18<\/td>\n5,799<\/td>\n1.9<\/td>\n<\/tr>\n
100<\/td>\n14<\/td>\n6,603<\/td>\n1.9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n