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Several common problems in precision and investing casting
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Several common problems in precision and investing casting

  • 分类:NEWS CENTER
  • 作者:Alisa Bai
  • 来源:
  • 发布时间:2020-11-11
  • 访问量:0

【概要描述】

Several common problems in precision and investing casting

【概要描述】

  • 分类:NEWS CENTER
  • 作者:Alisa Bai
  • 来源:
  • 发布时间:2020-11-11
  • 访问量:0
详情

We may often encounter some problems in the process of precision casting. For those who have just come into contact with this industry, they may be at a loss. The technical personnel of Dingjia summarized the solutions to several common small problems:

1: Hammerhead card

Solutions: 1. In the production, the temperature is often measured to avoid the temperature of hammer head and barrel is too high; 2. Select high-quality alloy material without impurities to prevent impurities from sticking to the hammer head.

2: The injection head is stuck in the gooseneck

Solution: when the equipment is at normal temperature, try to rotate the hammer head. If it cannot be rotated, replace the sleeve and take out the hammer head. If you want to quickly solve the problem of jamming, the best is the refueling pot.

3: In the process of punching, it will not be able to produce dozens of die materials. It is necessary to wait a few minutes before continuing to punch

Solution: check whether there are bright spots on the top of the blanking head. If the cross-section is all gray, it means that the nozzle is blocked. The temperature of the nozzle can be moderately increased, and the time to leave the nozzle can be reduced by 0.1 to 0.2 seconds, and the cooling water of the fixed mold is slightly turned down.

4: It is easy to crack when casting thin-walled products

Solution: this problem may be due to material problems or poor mold setting or improper selection of process parameters. The proportion of waste should not exceed 30%. The mold retention time should not be too long. The wall thickness of each mm should be about 3S, and the ejection delay should not be long, generally 0.5-2s.

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