The guide post is generally cylindrical with a shoulder, and there are generally oil grooves. The number of oil grooves increases with the length of the guide post. The maximum oil groove is generally 8. The roundness of the guide post has high requirements. The central hole is mainly used to grind the outer diameter with a cylindrical grinder, because when using a cylindrical grinder to grind the outer diameter, the center hole must be held against the center hole to rotate the guide post Can be ground. To determine the angle of the inclined guide post in the mold, if the distance is longer, hydraulic or pneumatic methods must be used.
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