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很多刀杆的装刀孔多为方形(浮动镗刀杆更为多见),这些方孔一般除具有较高的尺寸、形状精度要求外,还有较高的对刀杆母线的对称度要求,我们制做了一简单检具,使操作者可以边测量、边加工,非常方便。检具结构如图所示。操作方法:在弯形架的一端装千分表或百分表,将其另一端插入刀杆孔中,推拉弯形架打表(如图所示);再将工件旋转180°按上述方法打表。两次打表值之差,即为待加工量。
Many arbor mounting holes and more for the square (floating boring bar more common), in addition to these square hole generally have higher size, shape accuracy requirements, there is a high symmetry requirements on the arbor busbar , We made a simple check, so that the operator can measure, while processing, very convenient. Gage structure as shown. Operation method: One end of the curved frame with dial indicator or dial indicator, insert the other end into the arbor hole, push and pull the curved frame hit the table (as shown); then the workpiece rotated 180 ° according to the above method By meter. The difference between the two watch values, that is to be processed.