Guide Column

The guide column is a guide element used in combination with components in the mold to ensure that the mold can move and guide the mold stroke with precise positioning. It is generally cylindrical with a shoulder, and usually has an oil groove.
The roundness of the guide column has high requirements. The main purpose of drilling the center hole is to use the cylindrical grinder to grind the outer diameter, because when using the cylindrical grinder to grind the outer diameter, it is necessary to use the tip to withstand the center hole to make the guide post rotate. Can be ground.