在用1772仿形车床车削变速器第二轴时，常发生打刀现象。

When the output shafts of the gear-boxes were turned on the copying lathe model 1772, the cutting tool often broke.

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提出一种用螺旋角仿形加工装置在工具磨床上刃磨齿轮滚刀前刀面的方法。

By using the profile modeling machining equipment of helix Angle, a new method about grinding rake face of gear cutter hob on tool grinder is presented.

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具有圆弧板切边、板材裁切、麿边、倒边、四刀仿形加工等功能，加工精度高，是一种多功能的石材加工设备。

It professionally does well in arc slab cutting , slabs cutting , edge grinding , edge chamfering , and four blade copy processing , etc .

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