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以前,常采用圆柱式检测芯轴(见图1)检测插齿刀(或剃齿刀)精度。由于这种芯轴与插齿刀(或剃齿刀)属于滑动式装配,不可避免地产生以下缺点: ①芯轴磨损较快、寿命较短; ②装配时,刀具孔容易磨损或划伤; ③必须准备多个芯轴以供选配; ④选配芯轴时,很难选配到合适的芯轴。若间隙过小,则装配困难;若间隙过大,则测量误差增大。为解决上述问题,我们采用了密珠式检测芯轴(见图2)。由于密珠式检测芯轴与刀具孔
In the past, the precision of the shaper (or shaver) was often detected using a cylindrical spindle (see Figure 1). As the mandrel and gear shaper (or shaving cutter) belong to the sliding assembly, inevitably have the following disadvantages: ① mandrel wear faster, shorter life expectancy; ② assembly, the tool hole is easy to wear or scratch; ③ must prepare more than one mandrel for optional; ④ optional mandrel, it is difficult to match the mandrel. If the gap is too small, the assembly is difficult; if the gap is too large, the measurement error increases. In order to solve the above problems, we use a bead-type detection mandrel (see Figure 2). As the pearl-type detection mandrel and tool hole