完善首饰精密铸造模型的工艺实践

tcjshb

完善首饰精密铸造模型的工艺实践
1 f7 T- p0 i- d" B# R' b金英福
(延边大学工学院，吉林延吉133002)
: Z- g; F$ x$ k+ ^) F7 m6 G+ P# x摘要：在利用精密铸造进行批量生产首饰过程中，首饰模型的制作过程是最基本、最重要的生产环节。研究了用硬蜡雕刻首
饰原模型至首饰蜡模树的熔接过程中，易出现问题及解决措施。通过大量的实验验证，指出了利用首饰原模型硫化橡胶模具
操作中最适合的温度、压力及时间参数，利用真空注蜡机把液态蜡注入首饰橡胶模具时，根据首饰设计的复杂程度，应选择不
: [0 `% R8 `8 u- B$ n( M) r# r' ~+ P同工艺参数等问题，为完善首饰精密铸造模型提供了重要依据。
关键词：精密铸造；橡胶模具；蜡模
7 R6 y/ m- X3 Y" x中国分类号：TG249，9 文献标识码：A 文章编号：1000—8365(2006)o5—0454—04
Study on the Perfecting the Casting Model of Personal
* D: C" |1 e" p2 `* \) V! v0rnaments jn Accuracy Manufacture
JIN Ying-fu
(College of Engineering。Yanbian University，YanJi 133002，China)
Abstract：In mass production of personal ornament using investment casting， manufacture of the
ornament mould is the most important process among the manufaCturing processes． Problems and
, [) ]$ f. N( l' v) {measures in assembl ing／welding the wax patterns into a’investment tree’were investigated．After
1 ^$ J2 F8 c9 ]8 uintensive experiments suitable temperature，pressure and time during sol idification of rubber mold
1 J8 w" Q" G" X, J8 swere obtained．When injecting liquid wax to the rubber mold to make ornament wax pattern optimum
temperature，pressure and time were studied according to the com plexity of the design of personal
ornaments． These data are very important for mak ing perfect investment pattern for personal
6 F% A* z( c: }9 Z( x! N( Z) tornaments．
Key words：Accuracy casting；Rubber mold；Wax pattern