工件材料 | 工件材料 牌號或硬度 | 切削用量 | 鉆頭直徑d(mm) | |||
1~6 | 6~12 | 12~22 | 22~50 | |||
鑄鐵 | 160~200HBS | VC(m/min) | 16~24 | |||
F(mm/r) | 0.07~0.12 | 0.12~0.2 | 0.2~0.4 | 0.4~0.8 | ||
200~240HBS | VC(m/min) | 10~18 | ||||
F(mm/r) | 0.05~0.1 | 0.1~0.18 | 0.18~0.25 | 0.25~0.4 | ||
300~400HBS | VC(m/min) | 5~12 | ||||
F(mm/r) | 0.03~0.08 | 0.08~0.15 | 0.15~0.2 | 0.2~0.3 | ||
鋼 | 35、45鋼 | VC(m/min) | 8~25 | |||
F(mm/r) | 0.05~0.1 | 0.1~0.2 | 0.2~0.3 | 0.3~0.45 | ||
15Cr、20Cr | VC(m/min) | 12~30 | ||||
F(mm/r) | 0.05~0.1 | 0.1~0.2 | 0.2~0.3 | 0.3~0.45 | ||
合金鋼 | VC(m/min) | 8~15 | ||||
F(mm/r) | 0.03~0.08 | 0.05~0.15 | 0.15~0.25 | 0.25~0.35 | ||
工件材料 | 鉆頭直徑d(mm) | 3~8 | 8~28 | 25~50 | ||
鋁 | 純鋁 | VC(m/min) | 20~50 | |||
F(mm/r) | 0.03~0.2 | 0.06~0.5 | 0.15~0.8 | |||
鋁合金 (長切屑) | VC(m/min) | 20~50 | ||||
F(mm/r) | 0.05~0.25 | 0.1~0.6 | 0.2~1.0 | |||
鋁合金 (短切屑) | VC(m/min) | 20~50 | ||||
F(mm/r) | 0.03~0.1 | 0.05~0.15 | 0.08~0.36 | |||
銅 | 黃銅、青銅 | VC(m/min) | 60~90 | |||
F(mm/r) | 0.06~0.15 | 0.15~0.3 | 0.3~0.75 | |||
硬青銅 | VC(m/min) | 25~45 | ||||
F(mm/r) | 0.05~0.15 | 0.12~0.25 | 0.25~0.5 |
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