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济南模具的设计原理都有哪些方面?

来源:六合历史开奖记录    发布时间:2020-01-14 14:03:51    点击:

因为不同的成型模具已经应用于许多领域,和的模具制造技术发生了变化和发展近年来,真空吸塑成型模具的一般设计规则在这部分进行了总结。
  Because different mold has been applied in many fields, and professional mold manufacturing technology has changed and developed in recent years, the general design rules of vacuum suction molding mold are summarized in this part.
  真空吸塑成型模具的设计包括批量尺寸、成型设备、精密条件、几何形状设计、尺寸稳定性和表面质量。
  The design of vacuum suction molding die includes batch size, molding equipment, precision conditions, geometric design, dimensional stability and surface quality.
  1、批量试验的尺寸,每小时出模量,可制成木材或树脂。然而,如果使用实验模具来获取产品的收缩、尺寸稳定性和周期时间等数据,则应使用单腔模具进行实验,以确保其可以用于生产条件。模具一般是由石膏、铜、铝或铝合金制成,很少用铝树脂。
  1. The size of batch test, modulus per hour, can be made into wood or resin. However, if the experimental mold is used to obtain data such as product shrinkage, dimensional stability and cycle time, the single cavity mold should be used for experiments to ensure that it can be used in production conditions. Mold is generally made of gypsum, copper, aluminum or aluminum alloy, rarely aluminum resin.
  2. 设应综合考虑几何形状设计、尺寸稳定性和表面质量。例如,一个产品的设计和尺寸稳定性需要一个凹模,但是一个高光泽表面的产品需要一个正模。经验表明,不符合实际加工条件的设计往往会失败。
  2. Geometric design, dimensional stability and surface quality shall be considered in the design. For example, the design and dimensional stability of a product requires a female die, but a high gloss surface product requires a positive die. Experience shows that the design which does not meet the actual processing conditions often fails.
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  3、尺寸稳定,在成型过程中,塑件与模具的接触面比离开模具部分的尺寸稳定性更好。如果未来因材料刚度的需要而需要改变材料的厚度,可能会导致正模向负模的转换。塑料件的尺寸公差不应小于缩水率的10%。
  3. In the process of forming, the contact surface between the plastic part and the mold has better dimensional stability than the part leaving the mold. If the thickness of material needs to be changed in the future due to the need of material rigidity, it may lead to the conversion of positive mode to negative mode. The dimensional tolerance of plastic parts shall not be less than 10% of shrinkage.
  4. 在塑料零件的表面,塑料零件的可见表面结构应在与模具接触的情况下形成,使成型材料能够覆盖。如果可能,塑料的光滑表面不应接触模具的表面。这就像用一个负模来做一个浴盆和一个洗衣盆。
  4. On the surface of plastic parts, the visible surface structure of plastic parts shall be formed in case of contact with the mold, so that the molding materials can be covered. If possible, the smooth surface of the plastic should not touch the surface of the mold. It's like using a negative die to make a bathtub and a washing basin.
  5、修改时,如果用机械横锯锯掉塑料零件的夹紧边,在高度方向上,至少有6 ~ 8mm的余量。其他的修整工作,如研磨、激光切割或喷射切割,也必须留有余地。需要注意的是,刀模的切割线间隙更。迥5姆植伎矶纫埠苄。
  5. During modification, if the clamping edge of plastic parts is sawed off with a mechanical cross saw, there shall be at least 6 ~ 8mm allowance in the height direction. Other finishing work, such as grinding, laser cutting or jet cutting, must also leave room. It should be noted that the cutting line gap of the die is the smallest and the distribution width of the die is also very small.
  6、收缩变形,塑料容易收缩(如PE),有些塑料变形,无论如何防止,在冷却阶段都会发生塑性变形。在这种情况下,有必要改变模具的形状以适应塑料零件的几何偏差。如塑件基底偏移10mm,但塑件壁保持直线;模座可以抬高来调整这种变形的收缩。
  6. Shrinkage deformation, plastic easy to shrink (such as PE), some plastic deformation, in any case to prevent, in the cooling phase will occur plastic deformation. In this case, it is necessary to change the shape of the mold to adapt to the geometric deviation of the plastic parts. For example, the base center of the plastic part is offset by 10 mm, but the plastic part wall is kept in a straight line; the mold base can be raised to adjust the shrinkage of this deformation.
  7、缩水率,在制造吸塑成型模具时必须考虑以下缩水率因素。(1)产品成型收缩。如果不清楚塑料的收缩率,必须通过抽样或用类似形状的模具进行测试来获得。注:此方法只能得到收缩,不能得到变形尺寸。由于介质的不利影响而引起的收缩,如陶瓷、硅橡胶等。(3)模具中使用的材料的收缩,如铸铝的收缩。
  7. Shrinkage, the following shrinkage factors must be taken into account when manufacturing the Blister molding die. (1) Product forming shrinkage. If the shrinkage of the plastic is not known, it must be obtained by sampling or testing with a similar shape of mold. Note: this method can only obtain shrinkage, not deformation size. Shrinkage caused by adverse effects of media, such as ceramics, silicone rubber, etc. (3) Shrinkage of materials used in molds, such as cast aluminum.
  以上就是对济南模具设计原理的详细介绍,想要了解更多请点击官网
  The above is a detailed introduction to the mold design principle of Jinan. For more information, please click
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