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injection molding processing in add masterbatch rear Common issues and solution

Date: 2019-11-25 03:40 Views: 2908 Source: Internet

in cationic light lower, products in has strip/profile 纹状 颜 material belt/tape this issues from plastics material mechanical properties and plastics molding process 两 方面考虑: 1. injection molding processing equipment temperature degree has control good, masterbatch mixing/compounding rear can and resin separation mixed combined. 2. injection molding processing machine has add back pressure, screw mixing/compounding 效果不 good. 3. masterbatch dispersion property good or resin 塑化不 good. process can as lower debugging: 1. will mixing/compounding 腔靠落 material separation temperature degree add improve/increase    2. to injection molding processing machine add back pressure. above debugging still good,则 can can is masterbatch, resin dispersion property or issues, and color masterbatch manufacturing injection molding processing processing 商联系 solution. use certain types masterbatch rear, products relatively easy this can can is due to production injection molding processing processing selection dispersant or additives quality good formed expand dispersion solvent defect, effect/influence products material mechanical properties. masterbatch 说明书 upper ratio/proportion use rear, color deep ( shallow ) this issues although simple, in very more can can property, specific is: 1. masterbatch 未经认 true color, material less or more 2. use amount 不准确, inner injection molding processing processing especially is in small injection molding processing processing 厂随意计 amount phenomenon a large amount of in 3. masterbatch and resin 匹配存 in issues, this can can is masterbatch selection 不当, can can is injection molding processing processing 家随意改变 resin product types 4. machine temperature degree 不当, masterbatch in machine in time long. 处理程序: 首先检查 resin product types is and masterbatch 匹配, amount is 否准确, its adjustment machine temperature degree or speed, still in issues toward color masterbatch production injection molding processing processing 家联系. masterbatch, resin and formulation, different injection molding processing machine product is color has deep shallow? this is injection molding processing machine causes 引起. different injection molding parts machine manufacturing, use time or maintenance different, formed machine 械状态 差别, especially is add hot parts and material 筒 紧贴程 degree 差别, make masterbatch in material dispersion 状态也不一样, upper phenomenon 就会出现. 换另一 types resin rear, masterbatch and formulation, color 却发生 变化, this is is what? different grade resin its density and melt flow index has 差别, therefore resin property can has 差别, and masterbatch versus property has 差别, from 而发生 color 变化, generally 说, need its density and melt flow index versus large, that color 差别也不会太 large, can through adjustment masterbatch use amount relatively positive color. masterbatch in process in 发生颜 material phenomenon is effect/influence products quality? has masterbatch material content ( or material ) very high, in this type of lower, 发生迁移 phenomenon belongs to positive 常. especially is add material masterbatch, 会发生严 heavy phenomenon. this effect/influence products quality, is masterbatch injection formed products rear, material in products in positive 常 显 color concentrated degree. is what has injection molding product gloss good? has below/following multiple can can:1. injection molding parts machine nozzle temperature degree low 2. injection molding parts machine injection molding parts mold light degree good 3. products molding cycle long 4. masterbatch in titanium powder more 5. masterbatch dispersion good time rear, has plastics products 会发生褪 color phenomenon production injection molding parts processing using/adopting basic material quality good, 发生漂移 phenomenon. is what ABS masterbatch especially easy Color Difference 异? production different grade ABS Color Difference relatively large, make grade ABS, 每批批号也 can can in Color Difference, use masterbatch color rear 当然也会出现 Color Difference. this is due to ABS features 引起, in upper also has solutions. is, this type of Color Difference generally is heavy. use in use ABS masterbatch 时, must attention/notes ABS this features