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用一般方法車削細长的小另件时,由于受工件本身剛性的限制,必須用降低切削用量的办法来保証工件的精度,所以生产效率比較低。为了解决这一問題,我厂改进了一种盒形刀架,用来加工直徑在φ3～φ16公厘、长度在110公里范圍以內的细长的小另件,效果良好。盒形刀架的結构如图1所示。在刀架体1內装着两个镶有硬質合金的支块2。工作时,由这两个支块来支承工件已加工表面,并且靠支块在支承工
When turning the slender small parts by the ordinary method, the precision of the workpiece must be ensured by reducing the cutting amount due to the rigidity of the workpiece itself, so the production efficiency is relatively low. In order to solve this problem, our factory has improved a box-type tool holder, which can be used to process slender small pieces with the diameter of φ3 ~ φ16 mm and the length of 110 km. The effect is good. Box-shaped knife structure shown in Figure 1. In the holder body 1 are mounted two hard alloy inlay blocks 2. Work, by the two support blocks to the workpiece has been machined surface, and rely on the support block in the work