Guide pillars are divided into: guide pillars for automobile molds, independent guide pillars, guide pillars for mold bases, and guide pillars for discharge plates. According to the different guiding directions, it is divided into: sliding guide post (code SGP), rolling guide post (code SRP). According to the different installation methods, it is divided into: loading and unloading guide post and press-in guide post. Guide post heat treatment: HRC58-62; guide post surface roughness: Ra0.8, Ra1.6. The number of guide posts and oil grooves increases with the length of the guide post, and the number of oil grooves with the largest limit 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.
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