2 回复
A型、B型、R型中心孔尺寸:摘自GB/T4459.5-1999

DD1l1tlminrmaxrmin原料端部最小直径轴状原料最小直径工件最大重量/t
A型B型R型A型B型R型A型B型A型B型R型
(0.5)—-1.06—-0.48–0.5————–
(0.63)—-1.32—-0.6–0.6————–
(0.8)—-1.7—-0.78–0.7————–
1112.123.152.120.971.270.90.92.33.152.5——
(1.25)(1.25)(1.25)2.6542.651.211.61.11.12.813.15——
1.61.61.63.3553.351.521.991.41.43.554——
2224.256.34.251.952.541.81.84.46.35810~180.12
2.52.52.55.385.32.423.22.22.25.586.31018~300.2
3.153.153.156.7106.73.074.032.82.871081230~500.5
4448.512.58.53.95.053.53.58.912101550~800.5
(5)(5)-510.61610.64.856.414.44.411.21612.52080~1201
6.36.36.313.21816.25.987.365.55.514.1201625120~1801.5
(8)(8)(8)1722.4177.799.367717.9252030180~2202
10101021.22821.29.711.668.78.722.531.52542220~2503
1、括号内尺寸尽量不用。
2、不要求保留中心孔的零件采用A型,要求保留中心孔的零件采用B型。