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注塑模具尺寸和精密度的掌握至關重要

來源:http://www.giulya.com 日期:2021-06-04 發布人:liqiang 瀏覽次數:
注塑模具隨著產品的外觀要求千變萬化,尺寸和精 密度的掌握至關重要,在設計尺寸時需要多方面考慮。
With the ever-changing appearance requirements of injection mold products, it is very important to master the size and precision.
首先,模具加工設從塑件外形美觀的角度考慮,塑件由于受融料流動的因素,流動性差的塑件融料和壁比較薄的塑件,設計的尺寸盡量簡化,否則容易導致融料填充不足,影響產品外形美觀,一定需要大的尺寸時,可以選擇換塑件原料或稍作調整壁的厚度。
First of all, the mold processing design is considered from the perspective of the appearance of the plastic parts. Because of the melt flow, the plastic parts with poor fluidity melt and thin wall, the design size should be simplified as far as possible, otherwise it is easy to lead to insufficient melt filling and affect the appearance of the product. When a large size is needed, you can choose to change the raw materials of the plastic parts or slightly adjust the wall thickness.
濟南模椇廠
濟南模具廠
Jinan mould factory
其次,產品的尺寸精 確度。塑件融料在生產過程中會產生一定的收縮率和稍微擴張,主要是塑膠融料在成形的過程中會導致尺寸收縮,造成尺寸的不精 確。收縮過程主要有成形收縮和后收縮,受到成形收縮的影響比較大,造成收縮的因素有多種,在模具加工的工藝上,需考慮塑件的原料使用性能,避免造成尺寸不精 確。
Secondly, the dimensional accuracy of the product. Plastic melt in the production process will produce a certain shrinkage and slight expansion, mainly plastic melt in the forming process will lead to size shrinkage, resulting in inaccurate size. The shrinkage process mainly includes forming shrinkage and post shrinkage, which are greatly affected by forming shrinkage. There are many factors causing shrinkage. In the process of mold processing, the material performance of plastic parts should be considered to avoid inaccurate size.
模具的尺寸和精度需要從塑件在成型過程中遇到的情況設計合理,降低生產成本,提高產品質量.
The size and precision of the mould should be designed reasonably according to the situation in the forming process, so as to reduce the production cost and improve the product quality

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