ball mill hollow shaft
The price is for reference only. We will give you a quotation according to the drawing requirements and product specifications. If you need to know the details, you can call and inquire.The hollow shaft made from steel, used for heavy industry, the material of hollow shaft is steel which has better quality.The hollow shaft processing lathing, milling,grinding, drilling, Our factory has the advantage of processing, so there is a guarantee of precision and speed about hollow shaft before packing, the hollow shaft need to be inspected by our quality workers, then packed and sent out to customers.
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steel hollow shaft is based on having high wear parts available when you need them. We design our shafts to withstand the most strenuous work conditions.By nature of our experience and proven results in the field you can be confident in the quality of our steel hollow shaft.
UT or MT testing
to check if there is any internal defect.According to this way,we make sure our raw material is qualified.
Machining for the hollow shaft
Precision finish machining by using CNC vertical lathe,we can control the size and tolerance same with customer's drawings.

Product quality inspection
1.  Before machining, control the dimensions according to the tolerance casting; ensure the precise control of the internal quality of the casting;
2.  During processing, the inspection of the bearing surface is carried out. The main inspection techniques are: ultrasonic inspection (UT), magnetic particle inspection (MT), and color inspection (PT). As a whole, it can reach level three flaw detection, and key parts can reach level two flaw detection; improve the stress capacity and wear resistance.
3.  After processing, strict inspection before leaving the factory to ensure the hardness and abrasion resistance of the vertical rollers, sand blasting equipment effectively assists and improves the surface quality.
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