C1045 pulley cnc turned parts for motor carbon steel

Material:C1045,carbon steel

Treatment:Zinc plating

Tolerance:0.015mm

We mainly specialise in Stainless Steel Turned Parts, Aluminium and Brass Turned Parts and so on.
All of our parts are produced according to customer's drawing and sample.
No mini quantity, send us drawing.


For these motor pulley cnc turned parts, when we produce ,there are some problem we meet:
1:motor pulley's hole diamter 's tolerance is not approved.  
2: Motor Pulley of cnc turned parts groove's size's tolerance is also not approved.
3:there are some scratch on the surface of motor pulley cnc turned parts and appear white powder substabce.

How to improve C1045 pulley cnc turned parts for motor carbon steel's quality!
For the first problem,due to the thickness of electroplate.motor pulley of cnc turned parts' zinc's thickness is too thick.Before electroplate,we make a new drawing that change the tolerance,at last,it final approved.

For the second problem,our QC don't use the key to check.Before delivery,we make a key to check the groove.

For third problem,it aslo due to the electroplate's problem.We discuss with our electroplate factory and they will improve it and before delivery,we  aslo will check it.


For the second sample, the goods is very well and our customer is satisfiled with these motor pulley cnc turned parts and aslo make an order.

Thank you for trusting ningbo jinxiang and When producing,it must will be appear some problem,But All of us will do our best to solve it and service for our customer.