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Gear Reducer
Manufacturer Since 1997

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What is chipless processing of the gears ?

Categories: Latest NewsRelease time: 2017-10-25 10:33:00
Source: ZHAOWEIEditor: ZHAOWEI Author: ZHAOWEI

Chipless machining is a way of gear manufacturing, below is detail description for this processing method from the gearbox experts in ZhaoWei machinery & Electronic company .Chipless machining is a different forming method from the hobbing、gear shaping、shaving and grinding fabrication, it is using the plastic deformation of the metals or the sintering of metal powder to form the tooth profile or imporve the quality of tooth surface. This method can be divided into two types, one is cold forming, it  is put the workpiece at room temperature to be manufactured ; the second is hot forming, it is heat the workpiece to about 1000 ℃ to be manufactured.

The former processing includes cold rolling, cold forging, etc.; the latter processing includes hot rolling,precison die forging,powder metallurgy etc., those methods can enhance the material utilization from 40% ~ 50% to 80% ~ 90% or more for the cutting processing, also the productivity is double incresed. Currently , due to the limitation of mold  strength, this processing only can manufacture the gears with small moudels or other parts with gears generally. Regarding to the gears with higher accuracy requirement, it is still use the cutting processing to ensure the accuracy after chipless manufacture . 

In ZhaoWei company , the precision of gearbox is higher, it can reach to standard 7 lever, so the precision of accuracy gear box can be ensured, it makes the noise of gearbox small and working life longer .

 

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