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攻牙底孔参数表

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52 切削速度與切削液

加工材料 切削速度（m/min） 切 削 液

直槽絲攻 螺旋絲攻 先端絲攻 鎢鋼絲攻 無屑絲攻 高速同步絲

攻 管用絲攻 油 性 水 溶 性

(乳化液) 半乾式 乾 式

低碳素鋼 C0.25％以下 8~13 8~13 15~25 － 8~13 27~32 3~6 ◎ ○ △ △

中碳素鋼 C0.25～0.45％ 7~12 7~12 10~15 － 7~10 27~32 3~6 ◎ ○ △ △

高碳素鋼 C0.45％以上 6~9 6~9 8~13 － 5~8 22~27 2~5 ◎ ○ △ △

合 金 鋼 SCM 7~12 7~12 10~15 － 5~8 22~27 2~5 ◎ △ △ △

調 質 鋼 25～45HRC 3~5

(4~8) 3~5

(4~8) 4~6

(6~10) － － － 2~5 ◎ △ － －

不 銹 鋼 SUS 4~7 5~8 8~13 － 5~10 － 3~6 ◎ ○ － －

不 銹 鋼 SUS630

SUS631 3~5 3~5 4~6 － － － 2~5 ◎ － － －

工 具 鋼 SKD 6~9 6~9 7~10 － － － 2~5 ◎ － － －

鑄 鋼 SC 6~11 6~11 10~15 － － 17~22 2~5 ◎ ○ － －

鑄 鐵 FC 10~15 － － 10~20 － － 2~5 ◎ ○ ○ ○

球 鑄 鐵 FCD 7~12 7~12 10~20 10~20 － － 4~8 ◎ ○ ○ －

銅 Cu 6~9 6~11 7~12 10~20 7~12 27~32 2~5 ○ ○ － －

黃 銅 ‧

黃銅鑄件 Bs‧BsC 10~15 10~20 15~25 15~25 7~12 27~32 5~10 ○ ○ ○ ○

青 銅 ‧

青銅鑄件 PB‧PBC 6~11 6~11 10~20 10~20 7~12 － 6~11 ○ ○ － －

變 形

鋁 合 金 AL 10~20 10~20 10~25 － 10~20 100~300 5~10 ◎ ○ △ －

鋁 合 金

鑄 件 AC‧ADC 10~15 10~15 15~20 10~20 10~15 80~300 10~15 ◎ ○ △ －

鎂 合 金 MC 7~12 7~12 10~15 10~20 － － 10~15 ◎ ○ ○ －

鋅 鑄 件 ZDC 7~12 7~12 10~15 10~20 7~12 27~100 10~15 ◎ ○ △ －

熱硬塑料 Thermo Setting Plastic 10~20 － － 15~25 － － 5~10 － ○ ○ ○

熱可塑性塑 料 Thermo

Plastic 10~20 10~15 10~20 10~20 － 27~32 5~10 － ○ ○ ○

◎ 最適 ○適用 △可使用 －不可使用

53

螺紋下孔徑表

公制粗牙螺紋 JIS B 0209-1982(單位：mm)

螺紋尺寸 鑽頭直徑

崁合度區分：中(注1)2級(注2)

下孔徑

崁合度區分：中(註1)2級(註2)

內螺紋小徑

最小直徑 最大直徑

M 1 × 0.25 0.75 0.78 (80%) 0.729 0.785

1.1 × 0.25 0.85 0.88 (80%) 0.829 0.885

1.2 × 0.25 0.95 0.98 (80%) 0.929 0.985

1.4 × 0.3 1.1 1.14 (80%) 1.075 1.142

1.6 × 0.35 1.25 1.32 (75%) 1.221 1.321

1.8 × 0.35 1.45 1.52 (75%) 1.421 1.521

2 × 0.4 1.6 1.65 (80%) 1.567 1.679

2.2 × 0.45 1.75 1.83 (75%) 1.713 1.838

2.5 × 0.45 2.1 2.13 (75%) 2.013 2.138

3 × 0.5 2.5 2.59 (75%) 2.459 2.599

3.5 × 0.6 2.9 3.01 (75%) 2.850 3.010

4 × 0.7 3.3 3.39 (80%) 3.242 3.422

4.5 × 0.75 3.8 3.85 (80%) 3.688 3.878

5 × 0.8 4.2 4.31 (80%) 4.134 4.334

6 × 1 5 5.13 (80%) 4.917 5.153

7 × 1 6 6.13 (80%) 5.917 6.153

8 × 1.25 6.8 6.85 (85%) 6.647 6.912

9 × 1.25 7.8 7.85 (85%) 7.647 7.912

10 × 1.5 8.5 8.62 (85%) 8.376 8.676

11 × 1.5 9.5 9.62 (85%) 9.376 9.676

12 × 1.75 10.3 10.40 (85%) 10.106 10.441

14 × 2 12 12.2 (85%) 11.835 12.210

16 × 2 14 14.2 (85%) 13.835 14.210

18 × 2.5 15.5 15.7 (85%) 15.294 15.744

20 × 2.5 17.5 17.7 (85%) 17.294 17.744

22 × 2.5 19.5 19.2 (85%) 19.294 19.744

24 × 3 21 21.2 (85%) 20.752 21.252

27 × 3 24 24.2 (85%) 23.752 24.252

30 × 3.5 26.5 26.6 (90%) 26.211 26.771

33 × 3.5 29.5 29.6 (90%) 29.211 29.771

36 × 4 32 32.1 (90%) 31.670 32.270

39 × 4 35 35.1 (90%) 34.670 35.270

42 × 4.5 37.5 37.6 (90%) 37.129 37.799

45 × 4.5 40.5 40.6 (90%) 40.129 40.799

48 × 5 43 43.1 (90%) 42.587 43.297

註(1)M1.4以下等級：5H、M1.6以上等級：6H

(2)基於JIS B 0209-1982標準

54

螺紋下孔徑表

公制細牙螺紋 JIS B 0211-1982(單位：mm)

螺紋尺寸 鑽頭直徑 崁合度區分：中(注1)2級(注2)

下孔徑 崁合度區分：中(註1)2級(註2)

內螺紋小徑

最小直徑 最大直徑

M 2.5 × 0.35 2.2 2.22 (75%) 2.121 2.221

3 × 0.35 2.7 2.72 (75%) 2.621 2.721

3.5 × 0.35 3.2 3.22 (75%) 3.121 3.221

4 × 0.5 3.5 3.59 (75%) 3.459 3.599

4.5 × 0.5 4 4.09 (75%) 3.959 4.099

5 × 0.5 4.5 4.59 (75%) 4.459 4.599

5.5 × 0.5 5 5.09 (75%) 4.959 5.099

6 × 0.75 5.3 5.35 (80%) 5.188 5.378

7 × 0.75 6.3 6.35 (80%) 6.188 6.378

8 × 1 7 7.13 (80%) 6.917 7.153

8 × 0.75 7.3 7.35 (80%) 7.188 7.378

9 × 1 8 8.13 (80%) 7.917 8.153

9 × 0.75 8.3 8.35 (80%) 8.188 8.378

10 × 1.25 8.8 8.85 (85%) 8.647 8.912

10 × 1 9 9.13 (80%) 8.917 9.153

10 × 0.75 9.3 9.35 (80%) 9.188 9.378

11 × 1 10 10.13 (80%) 9.917 10.153

11 × 0.75 10.3 10.35 (80%) 10.188 10.378

12 × 1.5 10.5 10.62 (85%) 10.376 10.676

12 × 1.25 10.8 10.85 (85%) 10.647 10.912

12 × 1 11 11.13 (80%) 10.917 11.153

14 × 1.5 12.5 12.62 (85%) 12.376 12.676

14 × 1 13 13.13 (80%) 12.917 13.153

15 × 1.5 13.5 13.62 (85%) 13.376 13.676

15 × 1 14 14.13 (80%) 13.917 14.153

16 × 1.5 14.5 14.62 (85%) 14.376 14.676

16 × 1 15 15.13 (80%) 14.917 15.153

17 × 1.5 15.5 15.62 (85%) 15.376 15.676

17 × 1 16 16.13 (80%) 15.917 16.153

18 × 2 16 16.2 (85%) 15.835 16.210

18 × 1.5 16.5 16.62 (85%) 16.376 16.676

18 × 1 17 17.13 (80%) 16.917 17.153

20 × 2 18 18.2 (85%) 17.835 18.210

20 × 1.5 18.5 18.62 (85%) 18.376 18.676

20 × 1 19 19.13 (80%) 18.917 19.153

22 × 2 20 20.2 (85%) 19.835 20.210

22 × 1.5 20.5 20.62 (85%) 20.376 20.676

22 × 1 21 21.13 (80%) 20.917 21.153

24 × 2 22 22.2 (85%) 21.835 22.210

合集下载

螺纹攻牙底孔对照表

螺纹攻牙底孔对照表

PS规格最大最小最大最小(新规格Rp)M1.0*0.250.750.7850.72911.0011.15310.9171-64UNCG51.761.68M1.00.25G40.920.891/16-286.56.6326.490M1.1*0.250.850.8850.82911.5011.52011.4002-56G42.041.96M1.20.25G41.111.091/8-288.58.6378.495M1.2*0.250.950.9850.92912.5012.67612.3763-48G42.352.25M1.40.30G41.301.261/4-1911.411.54911.341M1.4*0.31.101.1421.07513.0013.15312.9174-40G52.642.54M1.60.35G41.471.433/8-1914.915.05414.846M1.6*0.351.251.3211.22113.5013.67613.3765-40G52.972.87M1.70.35G41.571.521/2-1418.618.77318.489M1.7*0.351.351.4211.32114.0014.15313.9176-32G53.223.11M1.80.35G41.671.623/4-1424.024.25923.975M1.8*0.351.451.5211.42114.5014.67614.3768-32G63.893.78M2.00.40G41.841.791-1130.230.47230.110M2*0.41.601.6791.56715.0015.15314.91710-24G64.444.30M2.20.45G52.041.9811/4-1138.839.13338.771M2.2*0.451.751.8381.71315.5015.67615.37612-24G65.074.96M2.30.40G42.142.0911/2-1144.745.02644.664M2.3*0.41.901.9791.86716.0016.15315.9171/4〞-20G75.865.73M2.50.45G52.342.272-1156.556.83756.475M2.5*0.452.102.1382.01316.0016.21015.8355/16〞-18G77.387.23M2.60.45G52.442.37M2.6*0.452.202.2382.11316.5016.67616.3763/8〞-16G78.898.72M3.00.50G52.822.75M3*0.52.502.5992.45917.0017.15316.9177/16〞-14G810.4010.02M3.50.60G53.273.19M3.5*0.62.903.0102.85018.0018.21017.8351/2〞-13G811.9211.70M4.00.70G63.723.65M4*0.73.303.4223.24218.5018.67618.3760-80UNFG51.451.39M5.00.80G64.674.59SM1/16 -801.251.2811.211M4.5*0.753.803.8783.68819.0019.15318.9171-72G51.771.70M6.01.00G75.595.49SM5/64 -641.551.5931.513M5*0.84.204.3344.13420.0020.21019.8352-64G42.061.98M7.01.00G76.596.48SM3/32 -561.91.9361.841M6*1.05.005.1534.91720.5020.67620.3763-56G42.372.29M8.01.25G77.497.36SM3/32-1002.12.1562.081M7*1.06.006.1535.91721.0021.15320.9174-48G52.682.59M101.5G79.349.22SM1/8 -322.3(2.393)(2.233)M8*1.256.806.9126.64722.0022.21021.8355-44G52.992.90M101.25G79.499.35SM1/8 -402.52.5512.421M9*1.257.807.9127.64722.5022.67622.3766-40G53.293.19M121.75G811.2311.09SM1/8 -442.52.6052.485M10*1.58.508.6768.37623.0023.15322.9178-36G53.913.81M121.25G911.5011.36SM1/8 -482.62.6572.547M11*1.59.509.6769.37623.0023.21022.83510-32G64.534.44SM9/64 -322.7(2.790)(2.630)M12*1.7510.3010.44110.10623.5023.67623.37612-28G65.135.03SM9/64 -402.92.9482.818M14*2.012.0012.21011.83524.0024.15323.9171/4〞-28G76.005.91SM11/64-323.53.5843.424M16*2.014.0014.21013.83524.5024.67624.3765/16〞-24G77.537.42SM11/64-403.73.7423.612M18*2.515.5015.74415.29425.0025.21024.8353/8〞-24G79.108.99使用铰刀时不使用铰刀时SM3/16 -243.63.6583.498M20*2.517.5017.74417.29425.5025.67625.3767/16〞-20G810.6210.481/16-275.946.156.35SM3/16 -283.83.8443.684M22*2.519.5019.74419.29426.0026.15325.9171/2〞-20G812.2012.061/8-278.338.438.74SM3/16 -323.93.9803.820M24*3.021.0021.25220.75226.0026.21025.8351/4-1810.7211.1311.13SM3/16 -404.054.1384.008M27*3.024.0024.25223.75226.5026.67626.3763/8-1814.2714.2714.68SM7/32-324.74.7744.614M30*3.526.5026.77126.21127.0027.15326.9171/2-1417.4817.8618.26SM15/64-285.05.0554.875M33*3.529.5029.77129.21127.0027.25226.752最大最小3/4-1422.6323.0123.42SM1/4-245.25.2665.086M36*4.032.0032.27031.67028.0028.21027.835No.12-324.704.8264.8231-11-1/228.5828.9829.36SM1/4-285.45.4525.272M39*4.035.0035.27034.67028.5028.67628.3761/4-325.605.6895.4871-1/4-11-1/237.3137.6938.10SM1/4-405.65.7265.59629.0029.15328.9175/16-327.107.2647.0871-1/2-11-1/243.2643.6644.45SM9/32-205.75.8245.63430.0030.21029.8353/8-328.708.8648.6622-11-1/255.1755.5856.36SM9/32-286.26.2566.06630.5030.67630.3767/16-2810.2010.33710.135SM5/16-186.36.4446.254最大最小30.0030.25229.7521/2-2811.8011.93811.710SM5/16-246.86.8646.674M1.0*0.20.800.8210.78331.0031.21030.8359/16-2413.2013.38511.132SM5/16-286.97.0506.860M1.1*0.20.900.9210.88331.5031.67631.3765/8-2414.8014.96814.732SM11/32-287.77.8437.653M1.2*0.21.001.0210.98333.5033.67633.3763/4-2017.8017.95717.679SM3/8-187.98.0537.843M1.4*0.21.201.2211.18333.0033.25232.7527/8-2021.0021.13220.854(新规格Rc)使用铰刀时不使用铰刀时SM3/8-288.58.6378.447M1.6*0.21.401.4211.38334.0034.21033.8351-2024.0024.30724.0291-16-286.16.26.2446.384SM7/16-169.39.4409.220M1.7*0.21.451.5001.46034.5034.67634.3761/8-288.18.28.2498.388SM7/16-2810.110.22410.034M1.8*0.21.601.6211.5831/4-1910.711.010.96211.174SM1/2-1210.310.42010.180M2.0*0.251.751.7851.7293/8-1914.214.514.44814.658SM1/2-2011.311.41011.190M2.2*0.251.951.9851.929最大最小1/2-1417.618.017.97918.263SM1/2-2811.711.81211.622M2.3*0.352.052.0612.001最大最小1.551.5821.4253/4-1423.023.523.37823.663SM9/16-2012.913.01812.778M2.5*0.352.202.2212.1211.251.3051.1821.801.8711.6951-1129.029.529.45929.822M2.6*0.352.202.2462.1861.551.6121.4742.102.1461.9411 1/4-1137.538.037.97638.339M3.0*0.352.702.7212.6211.851.9121.7562.302.3852.1571 1/2-1143.444.043.86944.232M3.5*0.353.503.5993.4592.102.1972.0252.602.6972.4872-1154.955.555.41255.844M4.5*0.54.004.0993.9592.402.4582.2712.802.8952.642规格规格

螺纹攻牙底孔对照表 2

螺纹攻牙底孔对照表 2

1　本　2　1　2

螺纹规格M1×0.25M1.1×0.25M1.2×0.25M1.4×0.3M1.6×0.35底孔孔径0.750.850.951.11.25螺纹规格M1.7×0.35M1.8×0.35M2×0.4M2.2×0.4M2.3×0.4底孔孔径1.351.451.61.751.9螺纹规格M2.5×0.45M2.6×0.45M3×0.5M3×0.6M3.5×0.6底孔孔径2.12.22.52.42.9螺纹规格M4×0.7M4×0.75M4.5×0.75M5×0.8M5×0.9底孔孔径3.33.253.84.24.1螺纹规格M6×1M7×1M8×1.25M9×1.25M10×1.5底孔孔径566.87.88.5螺纹规格M11×1.5M12×1.75M14×2M16×2M18×2.5底孔孔径9.510.3121415.5螺纹规格M20×2.5M22×2.5M24×3M27×3M30×3.5底孔孔径17.519.5212426.5螺纹规格M33×3.5M36×4M39×4M42×4.5M45×4.5底孔孔径29.5323537.540.5螺纹规格M48×5////底孔孔径43////

螺纹规格N0.1-81N0.2-56N0.3-48N0.03-56N0.4-40底孔孔径1.551.82.12.12.3表1　公制螺纹攻牙底孔对照表

表2　英制螺纹攻牙底孔对照表

第2页，共3页螺纹规格N0.5-40N0.6-32N0.8-32N0.10-24N0.10-32底孔孔径2.62.83.43.83.8螺纹规格N0.12-24.1/4-205/16-183./8-163/16-14底孔孔径4.55.16.68.29.4螺纹规格1/2.-13.6/16-12.5/8-11.3/4-10.7/8-9底孔孔径10.812.213.516.519.5螺纹规格.11/8-7.11/4-7.13/8-6.11/2-6.13/4-5底孔孔径2528.230.83439.5 3　1　2　3

常见螺纹的底孔

常见螺纹的底孔

制定日期 2007-5-26

部门手册 文件编号 JS-B03

生效日期 2007-6-18

受控状态 版 次 A0

页 码 46 OF 76

3-11 常见螺纹的底孔

1．目的

了解常见螺纹抽牙底孔参数，制定统一标准，规范工程图纸。

2．适用范围

龙光电业有限公司工程部

3．常见螺纹抽牙底孔参数表

螺纹型号与抽孔参数

1. 公制

攻牙螺纹型号 螺纹小径 抽孔内径 抽孔内径要求

MIN MAX

M1*0.25 0.75 0.78 0.729 0.785

M1.1*0.25 0.85 0.88 0.829 0.885

M1.2*0.25 0.95 0.98 0.929 0.985

M1.4*0.3 1.1 1.14 1.075 1.142

M1.6*0.35 1.25 1.32 1.221 1.221

M1.7*0.35 1.35 1.42 1.321 1.421

M1.8*0.35 1.45 1.52 1.421 1.521

M2*0.4 1.6 1.65 1.567 1.679

M2.2*0.45 1.75 1.83 1.713 1.838

M2.3*0.4 1.9 1.97 1.867 1.979

M2.5*0.45 2.1 2.13 2.013 2.138

M2.6*0.45 2.2 2.23 2.113 2.238

M3*0.5 2.5 2.59 2.459 2.599

M3.5*0.6 2.9 3.01 2.85 3.01

M4*0.7 3.3 3.39 3.242 3.422

M4.5*0.75 3.8 3.85 3.688 3.878

M5*0.8 4.2 4.31 4.134 4.334

M6*1 5 5.13 4.917 5.153

M7*1 6 6.13 5.917 6.153

M8*1.25 6.8 6.85 6.647 6.912

M9*1.25 7.8 7.85 7.647 7.912

CNC钻孔与攻牙参数资料讲解

CNC钻孔与攻牙参数资料讲解

CNC钻孔与攻牙参数 精品资料

仅供学习与交流，如有侵权请联系网站删除 谢谢2

CNC铝材钻孔、攻牙标准参数表

规 格 普通丝攻 挤压丝攻

底孔直径 S F 底孔直径 S F

M1.0×0.25 0.75～0.78 120 0.25 0.86～0.88 400 0.25

M1.2×0.25 0.95～0.98 150 0.25 1.06～1.08 450 0.25

M1.4×0.3 1.1～1.14 210 0.3 1.24～1.25 500 0.3

M1.6×0.35 1.25～1.32 280 0.35 1.41～1.43 560 0.35

M1.5×0.35 1.15～1.2 250 0.35 \ 0.35

M2.0×0.4 1.6～1.68 360 0.4 1.78～1.80 600 0.4

M2.5×0.45 2.1～2.14 320 0.45 2.25～2.28 550 0.45

M3.0×0.5 2.5～2.6 300 0.5 2.73～2.75 500 0.5

注:1、此表参数只限铝材攻牙；

2、需氧化的产品,钻孔选择最小底孔直径；

3、此表只供参考，加工中应按切削液浓度与攻牙深度适当调整转数；

4、此表为G95攻牙模式；

5、螺旋丝攻与普通丝攻参数基本一致，攻牙时转数可加倍。

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SKC日本高级丝攻,板牙

英制螺纹

规格 钻孔径

硬材 软材

W1/8-40 2.65 2.6

W3/16-24 3.75 3.7