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图1所示的塞规,材料38CrMoAIA,HRC64,在MG1432或MG1432A磨床上,采用GG80ZR_1A砂轮进行磨削。砂轮修整量S_(?)为0.01mm/r,t_d为0.0025mm/单程,修整进给三次,无进给修光一次。磨削用量:砂轮线速度为18m/s,工件的线速度为5～7m/min,横向进给量为0.0025mm/双程,工作台速度为60～80mm/min,横向进给次数按工件实际加工余量决定,最后无火花行程数为3(?)4个双行程。通过此工艺超精磨削后,塞规表面可达▽13的雾状镜面光洁度。
The plug gauge shown in Figure 1, material 38CrMoAIA, HRC64, is ground on a grinder MG1432 or MG1432A using a GG80ZR_1A grinding wheel. Grinding wheel dressing S_ (?) 0.01mm / r, t_d 0.0025mm / one-way, trimming feed three times, no feed repair time. Grinding amount: Grinding wheel linear speed of 18m / s, the workpiece line speed of 5 ~ 7m / min, horizontal feed 0.0025mm / double-way, table speed of 60 ~ 80mm / min, the number of horizontal feed according to the workpiece The actual machining allowance is decided, and finally the number of non-sparking strokes is 3 (?) 4 double strokes. Through this process super-precision grinding, plug gauge surface up to ▽ 13 of the mist mirror finish.