Combination Worm Gear Units


RV040/NRV040 worm geared motors reducers and units


NMRV series worm gear units is a new-generation of product developed by our company on the basis of perfecting WJ series products with a compromise of advanced technology both at home and abroad. Its main features are as follows; 1. Made of high-quality aluminum alloy, light weight and non-rusting. 2. Large output torque. 3. Smooth in running and low in noise, can work long time in dreadful conditions. 4. High in radiating efficiency. 5. Good-looking in appearance, durable in service life and small in volume. 6. Suitable for omnibearing installation. MAIN MATERIALS 1. Housing: die-cast aluminum alloy(frame size 025 to 090);cast iron(frame size:110 to 150); 2. Worm: 20Cr, carbonize&quencher heat treatment make the hardness of gear's surface up to 56-62HRC,retain carburation layer's thickness between 0.3 and 0.5mm after precise grinding. 3. Worm wheel: wearable stannum bronze alloy. SURFACE PAINTING Aluminum alloy housing: 1. Shot blasting and special antiseptic treatment on the aluminum alloy surface. 2. After phosphating, paint with RAL5010 blue or silvery white paint. Cast iron housing: First paint with red antirust paint, then paint white RAL5010 blue or silvery white paint.

Gear Reducers

World class gear manufacturing capabilities, quality material suppliers, and a state of the art quality process allows EPT to offer the highest level of precision, durability and endurance. The EPT Planetary Reducers are designed and built for advanced high speed low backlash applications. The EPT manufacturing processes allows us to offer exceptional shock load capacities and various mounting options.

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port


Q: Are you trading company or manufacturer ?
A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shipment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.