时间：2013-11-20 10:28　作者：admin　点击： 次

In the GB/T 3852 standard, the shaft hole forms include Y-shaped long cylindrical shaft hole (limited to the end of the oblong shaft extension motor), J-shaped short cylindrical shaft hole with counterbore (recommended), J₁Type short cylindrical shaft hole without counterbore (recommended), Z type long conical shaft hole with counterbore, Z₁Long conical shaft hole without counterbore, Z₂Short conical shaft hole with counterbore, Z₃Type short conical shaft hole without counterbore, etc.
The connection forms are: A-type flat key single keyway, B-type 120-degree arrangement flat key double keyway, B₁Type 180-degree arrangement flat key double keyway, C type conical shaft hole flat key single keyway, D type cylindrical shaft hole through tangential key keyway, conform to GB1144 rectangular spline, conform to GB/T 3478.1 cylindrical straight tooth involute spline U-shaped cylindrical interference connection, U₁Type stepped cylindrical interference connection, UZ type cone-cone interference connection (the taper should meet the requirements of JB/T 6136), Z₂、Z₃Type expansion sleeve connection, etc.