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transparent Prototype Part |
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transparent Prototype Part
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Transparent mold design and analysis study
A commonly used transparent materials
PMMA, PC, PS, SAN, PET, PVC, MBS, TPU, POM, other materials
(1) PMMA (PMA): ultra-high transparency, and optical glass lens is almost the same, so for the lens mold, heat distortion temperature of 60 ℃ ~ 70 ℃, good weather resistance, good rigidity, but the crisp, long-term temperature 50 ℃ ~ 90 ℃;
(2) PC (bulletproof plastic) long-term use temperature of 115 ℃ ~ 130 ℃, the deformation temperature of 130 ℃ ~ 140 ℃;
(3) SAN (strong plastic) mold temperature: 40 ℃ ~ 70 ℃, injection temperature: 180 ℃ ~ 230 ℃
Chi Mei SAN: PN-117C, PN-117, PN127, PN127H
Followed by the deterioration of liquidity, in turn improve the impact strength and hardness in order to improve
Second, the selection of a transparent mold steel
(1) Sweden Assab S136 Wc = 0.37% Wcr = 13.6%
(2) Sweden Assab 420 Wc = 0.38% Wcr = 13%
(3) Japan Datong NAK80 Wc = 0.15% WNi = 3%
(4) Japan Datong S-STAR Wc = 0.38% Wcr = 13.5%
PMMA, PC is a corrosive material damage and rot, while AS is wear-type materials, these materials have to use the steel.
Viscosity and strength of the relationship between the longitudinal comparison, the higher the viscosity, strength, toughness, higher
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we are produce good transparent Prototype Part. Please see the Picture.
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