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对骨架式轴唇圈的双唇下摆式、双副唇、副唇加侧唇等几种形式异形结构的橡胶模设计进行了研究,双唇下摆式结构比较复杂,用两开模的形式取代了以往四开模,极大地简化了硫化工艺,提高了制品质量,降低了生产成本。双副唇全包胶式副唇径向距离大于2mm,根据理论计算和实践操作其深度已不可能直接加工,用热压冷芯法解决了模芯结合部位的钻胶和拉毛等问题。双唇加侧唇式在侧唇顶端通过一个600斜边的溢胶槽,使余胶得以溢出并确保了侧唇部位的尺寸精度。
The design of the rubber molds of several special shaped structures, such as the double-lip hem, the double deputy lip, the double lip and the side lip of the skeleton shaft lip ring, was studied. The structure of the double-lip hem is more complicated and replaced by the two mold opening In the past four open mode, which greatly simplifies the curing process, improve product quality, reduce production costs. The radial distance between the double lip and the plastic double lip is more than 2mm. It is impossible to directly process the depth according to the theoretical calculation and practical operation. The hot and cold core method solves the problems of drilling and drawing of the core and core. Lips plus side lip at the top of the side lip through a 600 bevel edge of the glue tank, so that excess glue to overflow and ensure the dimensional accuracy of the side lip parts.