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How to choose a tool is broken when cutting stainless steel (roll) chip groove and form on the edge?
双击自动滚屏 发布者:manager 发布时间:2015/8/14 阅读:1020

Cutting stainless steel also should choose the appropriate tool is broken (roll) chip groove, in order to control the continuous chip, usually adopts full circular or linear circular broken crumbs slot (volume). Broken (volume) crumbs slot width of Bn = 3 ~ 5 mm, groove depth h = 0.5 ~ 1.3 mm, Rn = 2 ~ 8 mm. In general, coarse car ap, f, broken (volume) crumbs slot should be wide and shallow; Fine ap, f when car is small, should be narrow and deep. Broken (roll) chip groove form as shown in figure 2.

Machining process, if there is a chip of winding on the workpiece or tool, said the chip broken (volume) channel width too shallow, can increase the feeding, make the chip broken; If chip JiGa inside groove, a squeaking sound, or chip splash hurt, said chip broken (volume) slot too narrow and too deep, then can reduce the feeding. At the same time also note control chip (volume) slot position. Broken crumbs slot size (volume) are shown in table 1 and table 2 and table 3.


Table 1 cylindrical turning tool broken crumbs slot size (volume)
Workpiece diameter
(mm)
半径Rn
(mm)
宽度Bn
(mm)
前角g0
(°)
倒棱尺寸bg
(mm)
≤20
1.5
2
42
精车:0.05~0.10
粗车:0.10~0.20
2.5
3
37
20~40
3
3
30
3.5
3.5
30
4
4
30
>40~80
4
4
30
4.5
4.5
30
5
5
30
>80~200
5.5
5
27
精车:0.10~0.20
粗车:0.15~0.30
6
5.5
27
6.5
6
27.5
>200
6.5
6
27.5
7
6.5
27.5
7.5
7
27.5
 
 
 
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