Guide posts & bushing

 

 

Material :SUJ2

Hardness :HRC58 and above

The size and position precision of guide pin and guide bushing shall be kept within 0.003mm. Particularly for high rigidity guide pin assembly, the arrangement density of steel ball on the retainer shall be 1.7 times more than that of common retainer , so as to increase the contact area of steel ball by 70%。