DONGE SANXING STEEL BALL CO.,LTD
Product Description
Production Line
1.Wire drawing
Wrie drawing is made in order to make coarse wire thinner smaller size of the ball.
2.Cold heading
Wire is cut and cold formed into spherical blanks on high speed heading machines.
3.Flash & Rough Grind
Flashing removes the seam from the heading operation and the rough grind brings the balls to the approximate size and sphericity required.
4.Heat treatment
The balls are heat treated (hardened and tempered) to achieve the required hardness and microstructure.
5.Hard Grinding
The hardened balls are ground to the precise geometric size in the hard grinding operation.
6.Lapping Operation
The finish lapping operation gives the balls the bright, smooth, defect-free surface finish.
7.Roller Gauging & Photometric Sorter
8.Inspection Process
hardness,vibration,diameter,roundness and waviness tester.
Packaging & Shipping
Package
Shipping
Company Profile
- established in 1999, with more than 17 years experience and specialized in Chrome steel balls, Carbon steel balls , Stainless steel balls, Aluminum balls, Brass balls and Copper balls.
- certified by ISO 9001-2008 and TS16949 quality systerm.
- advanced production equipment, technical staff, satisfactory service.
- third-party testing and OEM Service is acceptable.
Cetificate
FAQ
With more than 17 years experience in steel ball field , equipment are updated regularly .
What’s more, unique standard and module production ensure our products’ stable quality.
Once we promise the delivery date, we will try our best to fulfill it .Special procedures such
as emergency inventory will be used to maintain your uninterrupted supply of the products.
Service