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完善首饰精密铸造模型的工艺实践$ Q# K6 f' p. C+ l
金英福% u! a6 `, R% u* q ^3 k6 R9 L
(延边大学工学院，吉林延吉133002)7 i2 u* V6 |% |7 V, @
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. o7 {* V+ z1 M1 k; m5 ^3 U
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6 f. H$ f& d v0 o
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
9 x! \) g8 n; K+ v8 \6 q w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。" F: _1 T2 x5 d' v
关键词：精密铸造；橡胶模具；蜡模
( g4 q! F$ K3 W. t9 I中国分类号：TG249，9 文献标识码：A 文章编号：1000—8365(2006)o5—0454—04) \/ F( X. ~0 S
Study on the Perfecting the Casting Model of Personal
4 _+ Y& w- k4 p7 q0 g: \0rnaments jn Accuracy Manufacture/ O8 K, ] G! t4 T8 E
JIN Ying-fu4 ~' D4 F2 ?! y* a, v
(College of Engineering。Yanbian University，YanJi 133002，China)
8 j/ W% x* a7 yAbstract：In mass production of personal ornament using investment casting， manufacture of the
6 @3 c! T9 ]* u, oornament mould is the most important process among the manufaCturing processes． Problems and( `: `- W- U8 S& z* r2 v
measures in assembl ing／welding the wax patterns into a’investment tree’were investigated．After1 a& t( s6 ?. Q6 u! q
intensive experiments suitable temperature，pressure and time during sol idification of rubber mold# D# v: ]% y, N0 p
were obtained．When injecting liquid wax to the rubber mold to make ornament wax pattern optimum% W3 Q: ^8 f5 R) c7 ~2 B
temperature，pressure and time were studied according to the com plexity of the design of personal
' F, _$ T. ~# Aornaments． These data are very important for mak ing perfect investment pattern for personal5 ~. ]8 P; j8 l7 W1 B" w' C% [
ornaments．
1 q2 c& k: |7 O3 @Key words：Accuracy casting；Rubber mold；Wax pattern
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