销是机械中常用的联接件,常用来定位,紧固.销有多种形式,常见的有圆柱销,圆锥销,开口销,螺纹销,以下是这些常用的销的标准:
圆柱销(GB119-86) 圆锥销(GB117-86)公称直径d=8mm、长度l=30mm、材料为35钢、热处理硬度HRC28~38、表面氧化处理的A型圆柱销和A型圆锥销的标记分别为: 销GB119-86 A8×30 销GB117-86 A8×30公称直径 d345681012162025圆柱
销
α≈0.40.50.630.81.01.21.62.02.53.0c≈0.50.630.81.21.62.02.53.03.54.0l(公称)8~308~4010~5012~6014~8018~9522~14026~18035~20050~200圆锥
销
dmin2.963.954.955.957.949.9411.9315.9319.9224.92max345681012162025α≈0.40.50.630.81.01.21.62.02.53.0l(公称)12~4514~5518~6022~9022~12026~16032~18040~20045~20050~200l(公称)的系列12~32(2进位),35~100(5进位),100~200(20进位)销是机械中常用的联接件,常用来定位,紧固.销有多种形式,常见的有圆柱销,圆锥销,开口销,螺纹销,以下是这些常用的销的标准:圆柱销(GB119-86) 圆锥销(GB117-86)公称直径d=8mm、长度l=30mm、材料为35钢、热处理硬度HRC28~38、表面氧化处理的A型圆柱销和A型圆锥销的标记分别为: 销GB119-86 A8×30 销GB117-86 A8×30公称直径 d345681012162025圆柱
销
α≈0.40.50.630.81.01.21.62.02.53.0c≈0.50.630.81.21.62.02.53.03.54.0l(公称)8~308~4010~5012~6014~8018~9522~14026~18035~20050~200圆锥
销
dmin2.963.954.955.957.949.9411.9315.9319.9224.92max345681012162025α≈0.40.50.630.81.01.21.62.02.53.0l(公称)12~4514~5518~6022~9022~12026~16032~18040~20045~20050~200l(公称)的系列12~32(2进位),35~100(5进位),100~200(20进位)开 口 销 (GB91-86) mm
公称直径d=50mm、长度l=50mm、材料为低碳钢、不经表面处理的开口销的
标记:销GB91–86 5×50
公称直径 dacb≈l(公称)l(公称)的系列maxmaxmin0.61.610.924~126~32(2进位),36,
40~100(5进位),
100~200(20进位)
0.81.41.22.45~1611.81.636~201.22.521.738~261.62.82.43.28~3223.63.2410~402.54.64512~503.23.25.85.16.414~65447.46.5818~8059.281022~1006.311.810.312.630~12081513.116400~160106.31916.620450~2001224.821.726700~200注:销孔的公称直径等于销的公称直径d,销的标准与销的选择
,工程
《销的标准与销的选择》(https://www.unjs.com)。螺 尾 锥 销(GB881-86) mm公称直称d1=8mm、长度l=60mm、材料为35钢、热处理硬度HRC28~38、表面氧化处理的螺尾锥销的标记: 销GB881–86 8×60
d1abd2d3zl 公称l 系列公称minmaxmaxmaxminmaxminmaxmin54.95252.415.614M53.53.251.51.2540~5040~75(5进位)85
100
120
140
160
190
220
280
320
360
400
65.952632018M643.71.751.545~6087.9428424.522M85.55.22.25255~75109.942104.52724M1076.62.752.565~1001211.930125.330.527M128.58.13.25385~1401615.9301663935M161211.54.34100~1602019.91620120~2202524.916257.54540M201514.55.35140~2503029.9163095246M241817.56.36160~2804039.904010.56558M302322.57.57190~3605049.9050127870M362827.59.49220~400内螺纹圆柱销(GB120-86)、内螺纹圆锥销(GB118-86) mm
公称直径 d681012162025304050≈0.811.21.622.53456.3内螺
纹
圆
柱
销
d1min6.0048.00610.00612.00716.00720.00825.00830.00840.00950.009max6.0128.01510.01512.01816.01820.02125.02130.02140.02550.025c≈1.21.622.533.5456.38d1M4M5M6M6M8M10M16M20M20M24t min681012161824303036t110121620252835404050b≈1.5 2l(公称)16~6018~8022~10026~12030~16040~20050~20060~20080~200100~200内螺
纹
圆
锥
销
dmin5.9527.9429.94211.9315.9319.91624.91629.91639.949.9max681012162025304050d1M4M5M6M8M10M12M16M20M20M24t681012161824303036t1min10121620252835404050c≈0.811.21.622.53456.3l(公称)16~6018~8522~10026~12030~16045~20050~20060~20080~200120~200l(公称)的系列16~32(2进位),35~100(5进位),100~200(20进位)公称直径d=10mm、长度l=60mm、材料为35钢、热处理硬度HRC28~38、表面氧化处理的A型内螺纹圆柱销和A型内螺纹圆锥销的标记分别为:销GB120–86 A10×60 销GB118–86 A10×60