China OEM Easy Mounting Gearbox for Elevators with Good quality

Product Description

HangZhou Sihai Machinery Co., Ltd.has been specialising in the manufacture and export of RV sequence worm gearboxes and other electricity transmission items for a long time, devoted to supply to our customers good good quality goods in competitive prices. The principal merchandise are RV sequence worm gear velocity reducers, UD sequence mechanical speed variators, G3 sequence helical geared motors and the specially made reducers for sprucing devices. Our goods are broadly employed in the mechanical equipment for foodstuff, ceramics, package, chemical, printing, and plastics, and many others.

Xihu (West Lake) Dis.d by the thought, “Quality is the very key.”. the firm proceeds in rigid good quality management to all the items, complying with the needs of ISO9001:2008, and certificated, which has enabled our products to have enjoyed the successful sales, acceptance and good status amongst the markets of Europe, Mid-east, and Souteast Asia..

Innovation, excellent top quality, customers’ satisfication, and outstanding services are the rules of the company. All consumers at property and abroad are warmly welcome to get in touch with us and negotiate for mutual company growth.

one.Wide transmission rate, strong output torque
two.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

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

Technical knowledge:

Design RV571 030 040 050 063 075 090 110 a hundred thirty 150
Solitary unit versions NMRV – equipped for motor flanged coupling,
NRV – with input shaft,
NMRV-E motor flanged CZPT with worm extension shaft,
NRV-E with double extension worm shaft,
 Power .06—-15KW 
 Single unit reduction ratio  1:5 7.5 ten fifteen 20 twenty five thirty 40 fifty 60 80 a hundred
 Output torque  2.6—1195N.M
 Worm shaft content  20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer .5-.8mm
 Worm wheel material   worm mandrel is HT250,and worm ring gear,ZQSn10-1,hardness is 60HRC

After-sale service:
One year guarantee,subject matter to correct operation and installationfree technological assist all the time.

 Cargo delivery and shippment:

Samples and tiny amount will be arranged via DHL or TNT,
Bulk cargo will be organized via perfessional shipping and delivery agent 
Urgent order can be prepared all set in 3-7 times when obtained the payment.


When looking at a reducer vs a gearbox, typically the only difference is terminology. This is due to the fact all reducers are gearboxes. Even so, not all gearboxes are retarders. This could audio challenging, but it’s truly fairly simple. A reducer is a gear set in between the motor and the equipment. The purpose of the reducer is to lessen the rotational pace transferred between these two endpoints. The reducer amplifies and multiplies the torque (enter) made by the motor. 2nd, a reducer, as the name implies, lowers the pace of the input (output in rpm) so that the output is the correct speed. The phrase “gearbox” is just a generic phrase employed for the equipment prepare in between the motor and the machine. Consequently, all reducers are gearboxes. However, not all gearboxes reduce enter speed. Though unusual, gearboxes can really boost enter speeds. By considerably the most frequent kind of gearbox is a retarder, but it would be incorrect to say that all gearboxes are retarders.
Gearboxes are mechanical gadgets that assist travel methods keep ideal velocity and torque for apps. Also known as gearboxes and gear drives, they lessen the rotational speed of the enter shaft by a certain proportion and enhance the power sent to the output shaft by the same proportion. Ratio multipliers increase the deceleration and torque offered by the reducer by a certain ratio and are suitable for parallel installations. Mounting bases, torque arms and flange couplings are accessories utilised with the reducer. They are generally utilized in applications where the reducer is not straight connected to the travel mechanism.

China OEM Easy Mounting Gearbox for Elevators     with Good quality