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济南注塑模具避免变形的技巧

来源:http://www.sdlqmj.com 日期:2020-05-29 发布人:liqiang 浏览次数:
济南注塑模具要使用正确的方法,如果注塑方法不正确,会引起塑件变形等问题。这需要从注塑模具的浇注系统、冷却系统、顶出系统等环节多加注意。济南注塑模式厂家总结出在这些过程中需要注意的事项。
Jinan injection mold should use the correct method, if the injection method is not correct, it will cause plastic deformation and other problems. More attention should be paid to the pouring system, cooling system and ejection system of injection mold. Jinan injection mold manufacturers summed up the need for attention in these processes.
济南注塑模具
关于浇注系统环节的操作过程中,注塑模具浇口的位置、形状、数量等都会影响塑件熔料在注塑模具型腔内的填充状况,都会影响塑件的外形。制造平板形的塑件,如果使用一个浇口,由于收缩率不均匀,成型后的塑件就会产生扭曲变形,如果设计注塑模具时就需要改成多个浇口,可以有效避免塑件翘曲变形,可设计多个浇口避免塑件的翘曲。
In the operation process of the gating system, the position, shape and quantity of the gate of the injection mold will affect the filling status of the melt in the cavity of the injection mold, and will affect the shape of the plastic part. If a central gate is used in the manufacture of flat plastic parts, the plastic parts will be distorted and deformed due to the uneven shrinkage. If the injection mold is designed, it needs to be changed into multiple gates, which can effectively avoid the warpage of plastic parts and multiple gates can be designed to avoid the warpage of plastic parts.
其次,模具的冷却系统的型腔和型芯的温度需要保持一致,不可相差太大。应尽可能使冷却水孔的距离变小,使模腔和模芯的温度均匀,可有效避免塑件变形。
The temperature of the cavity and core of the cooling system of the mould should be kept the same, and the difference should not be too large. The distance between cooling water holes should be reduced as far as possible, so that the temperature of mold cavity and core is uniform, which can effectively avoid deformation of plastic parts.
注塑模具的顶出系统,顶出系统的布置要均匀,在设计注塑模具的顶出系统时,顶出系统的顶出力和脱模系统的阻力要相平衡,在保证产品质量的情况下,可通过多设计顶杆来避免塑件变形翘曲,可有效提高塑件的合格率。
The ejection system and ejection system of injection mold shall be arranged evenly. When designing ejection system of injection mold, the ejection force of ejection system shall be balanced with the resistance of demoulding system. Under the condition of ensuring product quality, multiple ejector bars can be designed to avoid deformation and warpage of plastic parts and effectively improve the qualified rate of plastic parts.
济南注塑模具厂家提醒您在设计注塑模具的时候一定要合理布局构件,可有效避免注塑模具制造塑料产品时出现的变形,提高注塑模具的生产性能。
Jinan injection mold manufacturers remind you that when you design injection mold, you must reasonably layout components, which can effectively avoid the deformation of plastic products produced by injection mold and improve the production performance of injection mold.

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