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How to identify high-quality rear mold needles?

Belonging category:Industry News Release time:2024-09-29 Click through rate:3

Rear mold needle is a common plastic mold accessory in the market nowadays, and the service life of high-quality rear mold needle is different from that of ordinary quality rear mold needle. So when choosing a mold ejector pin, there should be certain criteria for judgment. Below, the editor will introduce which points are the reference for choosing a rear mold ejector pin.

Generally, high-quality back mold needles are sprayed with rust inhibitors as needed during production to prevent rusting, and after strict nitriding treatment, they have wear-resistant properties. In this way, the needle inside the rear mold has wear resistance and good corrosion resistance.

After strict production control, the needle inside the mold will have a fine shape. And such precise back mold needles produced in precision molds can reduce mold wear and save costs for users.

During the machining process, the inner needle of the rear mold will undergo repeated heating and cooling cycles. Therefore, a high-quality inner needle of the rear mold must have excellent heat resistance and resistance to cold and hot fatigue, and still maintain its high hardness and dimensional accuracy to avoid deformation.

A high-quality back mold needle must have the characteristics of wear resistance, high temperature resistance, fine appearance, and strong resistance to alternating cold and hot temperatures. The manufacturer of back mold needles that produce high-quality back mold needles also needs to have certain strength!



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