carbonitriding, temp 750 to 850 deg c oil quenching.
case depth to rc 50 to be 0.05 to 0.18mm
arbor process to be applied 5 hours at 315 deg
phosphate coating-fine grain thickness 0.002-0.006mm
part to be free of sharp edges and burrs
maximum magnetism:5 gauss
no corrosion permitted
axial separation of gaging surfaces under gaging load of 100n must not exceed washer thickness by more than 0.05mm
carbonitriding, temp 750 to 850 deg c oil quenching. (碳氮共渗,750-850℃感应加热,油淬 )
case depth to rc 50 to be 0.05 to 0.18mm (淬硬层厚度范围0.05-0.18mm,硬度HRC50)
arbor process to be applied 5 hours at 315 deg (315℃回火保温5小时)
phosphate coating-fine grain thickness 0.002-0.006mm (表面磷化,厚度0.002-0.006mm)
part to be free of sharp edges and burrs (工件倒角,去毛刺)
maximum magnetism:5 gauss (允许最高残磁:5高斯)
no corrosion permitted(不得有腐蚀)
axial separation of gaging surfaces under gaging load of 100n must not exceed washer thickness by more than 0.05mm (在100N载荷试验下,测量表面轴向偏差不得超过0.05mm垫圈厚度)