The surface of the bed ways is supersonic frequency
产品列表 ... The surface of the bedways is supersonic frequency. 表面经过淬火处理 the spindle system is high in rigitidy and accuracy 主轴钢性好 稳定性高 There is no need for change gears. 没有改变齿轮的需要 ...
Typicalmaterialsincludeductile iron castings orsteelforgings. Most crankshafts require some form of heat treating including case hardening, nitridingandinductionharden.