退刀槽及其配合尺寸(JB/ZQ4238-1997) (mm)
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r1
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f1
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g≈
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推荐的配
合直径d1
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用在一
般载荷
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用在交
变载荷
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0.6
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0.2
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2
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1.4
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0.1
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＜18
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—
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0.6
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0.3
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2.5
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2.1
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0.2
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>18～80
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1
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0.4
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4
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3.2
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0.3
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>80
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1
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0.2
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2.5
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1.8
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0.1
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—
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>18～50
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1.6
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0.3
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4
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8.1
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0.2
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>50～80
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2.5
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0.4
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5
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4.8
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0.3
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>80～125
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4
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0.5
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7
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6.4
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0.3
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125
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退刀槽尺寸
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倒角最小值a
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倒圆最小值r2
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r1×t1
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A型
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B型
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A型
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B型
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0.6×0.2
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0.4
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0.1
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1
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0.3
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0.6×0.3
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0.3
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0
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0.8
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0
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1×0.4
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0.6
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0
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1.5
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0
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1×0.2
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0.8
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0.4
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2
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1
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1.6×0.3
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1.3
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0.6
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3.2
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1.4
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2.5×0.4
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2.1
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1.0
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5.2
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2.4
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4×0.5
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3.5
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2.0
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8.8
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5
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轴
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相 配 件 (孔)
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hmin
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r1
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t
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b
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fmax
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a
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极限偏差
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r2
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极限偏差
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C、D型
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E型
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2.5
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1.0
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0.25
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1.6
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1.1
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0.2
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1
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＋0.6
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1.2
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＋0.6
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4
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1.6
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0.25
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2.4
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2.2
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0.2
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1.6
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＋0.6
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2.0
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＋0.6
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6
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2.5
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0.25
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3.6
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3.4
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0.2
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2.5
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＋1.0
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3.2
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＋1.0
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10
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4.0
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0.4
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5.7
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5.3
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0.4
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4.0
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＋1.0
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5.0
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＋1.0
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16
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6.0
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0.4
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8.1
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7.7
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0.4
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6.0
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＋1.6
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8.0
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＋1.6
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25
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10.0
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0.6
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13.4
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12.8
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0.4
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10.0
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＋1.6
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12.5
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＋1.6
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40
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16.0
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0.6
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20.3
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19.7
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0.6
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16.0
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＋2.5
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20.0
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＋2.5
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60
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25.0
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1.0
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32.1
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31.1
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0.6
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25.0
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＋2.5
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32.0
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＋2.5
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轴
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hmin
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r1
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t1
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t2
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b
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fmax
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4
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1.0
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0.4
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0.25
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1.2
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0.2
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5
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1.6
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0.6
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0.4
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2.0
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8
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2.5
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1.0
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0.6
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3.2
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12.5
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4.0
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1.6
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1.0
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5.0
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0.4
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20
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6.0
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2.5
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1.6
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8.0
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30
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10.0①
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4.0
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2.5
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12.5
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①r1=10不适用于精整辊。
