Aluminum casting gearbox

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

Featured Products

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..

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.

 Features
1.Wide transmission rate, strong output torque
2.Compact mechanical structure, light weight, small volume&Good heat-dissipating
3.Smooth operation with lower noise or vibration
4.Easy mounting, free linking, high efficiency
5. PERFECT  SUBSTITUDE FOR  MOTOVARIO AND BONFIGLIOLI PRODUCTS 

Applications
Wide range of application,including light industry of food &beverage, Cement,
package,construction material,chemicals and etc.

Technical data:

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


After-sale service:
One year warranty,subject to proper operation and installation;free technical support all the time.


 Cargo delivery and shippment:

Samples and small quantity will be arranged via DHL or TNT,
Bulk cargo will be arranged via perfessional shipping agent 
Urgent order can be prepared ready in 3-7 days when got the payment.





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