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完善首饰精密铸造模型的工艺实践3 U. X: z: H! o- ]9 x4 P1 M
金英福
: s# w) B8 h3 g) w3 I(延边大学工学院，吉林延吉133002)5 g& M" x$ o- H4 S; q
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
( j/ }: l5 J7 o( T# }8 Z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
* j; t' a: t5 b0 e; N, I" }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
# x7 ]# L4 H7 G. B# _; x) ~: M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。$ k0 `$ O8 Y5 O; \0 j5 a, W) y
关键词：精密铸造；橡胶模具；蜡模
. K3 o' _0 R; ~+ ]# n; C中国分类号：TG249，9 文献标识码：A 文章编号：1000—8365(2006)o5—0454—04$ K+ I/ A0 s! e! N- H7 H
Study on the Perfecting the Casting Model of Personal$ W9 N" {7 [0 j) A9 k4 U7 M
0rnaments jn Accuracy Manufacture( X" @$ `$ z# _$ G$ V; A
JIN Ying-fu& W! N# s* m9 C* ?+ J) l
(College of Engineering。Yanbian University，YanJi 133002，China)
; D$ G) z8 \- N' P2 M; W6 I% j1 CAbstract：In mass production of personal ornament using investment casting， manufacture of the
3 {! @! }) {6 p4 j6 ]" f$ n8 Qornament mould is the most important process among the manufaCturing processes． Problems and
/ l4 x* T' J& d0 u! u" E% S7 Emeasures in assembl ing／welding the wax patterns into a’investment tree’were investigated．After
% A+ X I1 |+ q4 A( m+ Eintensive experiments suitable temperature，pressure and time during sol idification of rubber mold
& q) f. [5 T* x5 wwere obtained．When injecting liquid wax to the rubber mold to make ornament wax pattern optimum
5 E. n! U8 x8 X: x" Ttemperature，pressure and time were studied according to the com plexity of the design of personal9 G2 K% T' R# _
ornaments． These data are very important for mak ing perfect investment pattern for personal
" ~; f- w2 f0 s# \6 X/ dornaments．
( c- ~+ Y' d7 m" ]* pKey words：Accuracy casting；Rubber mold；Wax pattern) \' j$ M8 r0 L$ h( r3 [. k9 O8 U
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