1) Material: steel, chrome steel , injection molding steel , stainless steel, aluminum alloy, ceramics etc.
2) A number of certification : ISO 9001-2008 quality system, ROHS , SGS .
3) Main equipments : ball crusher , lapping machine , grading machine , packaging cleaner ,.
Checkout equipments : surface roughness measuring instrument , roundness measuring equipment , Vickers , vibration meter , elemental analyzer .
4) Drawing operation: PDF, Auto CAD,E-Drawing, Pro/Engineer, SolidWorks, UG. etc.
5)Accord with a standard :ASTM , ANSI , DIN , BS , AS , JIS, ISO .
Detailed Descriptions | |
Type : | Steel ball |
Punching range : | Diameter 0.5-12.75mm |
Manufacturing technique: | Ball embryo forming - to ring band - coarse grinding - soft grinding - heat treatment - ball embryo forming – light ball - hard ground - fine lapping - super lapping
|
Tolerance : | 0.002mm |
Testing equipmen | Vernier caliper , Micrometer, projector, coordinate measurement machine, height gauge, hardness tester, element analysis machine, plating scale thickness tester, pass check gauge , Angle ruler, plug gauge, radius gauge, roughness tester, salt spray testing machine . |
OEM service : | According to customer’s drawings or samples |
QC system : | 100% inspection before shipment |
Packaging : | 1)Dry packing and refresh oil packing. 2)As per customized specifications. |
