Taizhou Sihai Machinery Co., Ltd.has been specialising in the manufacture and export of RV series worm gearboxes and other power transmission products for years, dedicated to provide to our customers good quality products in competitive prices. The main products are RV series worm gear speed reducers, UD series mechanical speed variators, G3 series helical geared motors and the specially designed reducers for polishing machines. Our products are widely used in the mechanical apparatus for foodstuff, ceramics, package, chemical, printing, and plastics, etc.
Guided by the idea, "Quality is the very key.". the company proceeds in strict quality control to all the products, complying with the requirements of ISO9001:2008, and certificated, which has enabled our products to have enjoyed the successful sales, popularity and good reputation among the markets of Europe, Mid-east, and Souteast Asia.
SMRV worm gearbox, once it is ready, everyone will be test before sending out.
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Innovation, good quality, customers' satisfication, and excellent service are the principles of the company. All customers at home and abroad are warmly welcome to contact us and negotiate for mutual business expansion.
| Model |
RV025 030 040 050 063 075 090 110 130 150 |
| Single unit versions |
NMRV - fitted for motor flanged coupling, |
| NRV - with input shaft, |
| NMRV-E motor flanged coupling with worm extension shaft, |
| NRV-E with double extension worm shaft, |
| Power |
0.06----15KW |
| Single unit reduction ratio |
1:5 7.5 10 15 20 25 30 40 50 60 80 100 |
| Output torque |
2.6---1195N.M |
| Worm shaft material |
20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer 0.5-0.8mm |
| Worm wheel material |
worm mandrel is HT250,and worm ring gear,ZQSn10-1,hardness is 60HRC |
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