Shanghai Daoqin Plastics Co., Ltd.

Color Difference is injection molding parts in Common defect, Color Difference effect/influence factors more, and raw materials resin, masterbatch, masterbatch raw materials mixed combined, injection molding parts process, injection molding parts machine and other, in production process in generally from below/following 五 方面 进行 Color Difference control. 　　1.消 remove injection molding parts machine and injection molding parts mold factors effect/influence 　　 need selection and injection molding parts product amount versus injection molding parts machine, if injection molding parts machine in material material and other issues, most good more equipment. for/regarding injection molding parts mold system, gas and other formed Color Difference, can through versus separation injection molding parts mold repair solution. must solution good injection molding parts machine and injection molding parts mold issues can production, decrease issues complex property. 　　2.消 remove raw materials resin, masterbatch effect/influence 　　 control Raw Materials is solution Color Difference key/critical. therefore, especially is production shallow color products 时, can overlook raw materials resin heat stabilized property different for products color 泽波动 belt/tape obvious effect/influence. large more injection molding parts production injection molding parts processing 家本身并不 production plastics material or masterbatch, this 样, can will attention/notes 焦点放 in production tube/pipe and Raw Materials upper. add strong/high Raw Materials 入库 检验; production in product can can using/adopting injection molding parts processing 家, grade material, masterbatch production; for/regarding masterbatch, in amount production front need 进行抽检试 color, need upper for, also need in in comparison, if color versus large, can is combined 格, batch masterbatch has light micro Color Difference, can will masterbatch heavy new mixed combined rear again use, decrease/reduce masterbatch mixed combined 不均造 formed Color Difference. meanwhile, also focus/key point raw materials resin, masterbatch heat stabilized property, for/regarding heat stabilized property 不佳, 我们建议 injection molding parts processing 家进行调换. 　　3. decrease/reduce material temperature degree for Color Difference effect/influence 　　 production in 常常会遇 to certain add hot loss bad 失效, or is add hot control separation long formed material temperature degree 剧烈变化 from generate Color Difference. this category of causes generate Color Difference very easy 判定, generally add hot loss bad generate Color Difference meanwhile 会伴随 塑化不均 phenomenon, add hot control separation long 烧常伴随 product gas 斑, heavy color 甚至焦化 phenomenon. therefore production in 需经常检查 add hot separation, add hot separation loss bad or 失控时 and more repair, decrease/reduce this category of Color Difference generate rate. 　　4． decrease/reduce injection molding parts process adjustment effect/influence 　　 non Color Difference causes adjustment injection molding parts process parameters 时, can can 不改变 injection molding parts temperature degree, back pressure, injection molding parts cycle and masterbatch add amount, adjustment meanwhile also 需观察 process parameters for color effect/influence, 如发现 Color Difference and adjustment. can can use high injection speed degree, high back pressure and other strong/high function injection molding parts process, anti local hot or hot separation understanding and other factors formed Color Difference. control material add hot temperature degree, especially is nozzle and nozzle add hot separation. 　　5．掌握 material temperature degree, masterbatch amount for product color effect/influence 　　 in Color Difference adjustment front also must product color temperature degree, masterbatch amount trend. different masterbatch production temperature degree or masterbatch amount 改变, its product color 变化规律 is different. can through color process its 变化规律. remove non already this type of masterbatch color 变化规律, 否则不 can can very fast good Color Difference. 转自宁波塑 machine 网