Shanghai Daoqin Plastics Co., Ltd.

as is upper mold manufacturing new process, IMD mold in inner development 也越 越迅 speed. 就东莞 区而言, 我本人觉 upper 规模, technology formed and quality excellent 良 厂家 also is comparison less; 各厂家 between technology 交流几乎没 has, for technology 保密, from development process basic 处于探索 stage/phase.

　　IMD mold core technology main/primary is sheet/slice manufacturing process, it in Japan, Germany several large type enterprise 里. key/critical high temperature resistance ink, wear resistant, ultra- transparent coating material also is main/primary Imported.

　　一, brief introduction:

　　1, IMD has large type, 即IMLIMD, upper is IMD.
　　IMD(即In-Mould-Decoration)
　　 has types classification:
　　 its is IMD, it is is screen printing has FILM放 to plastics mold 里进行 injection molding. 此FLIM large can separation is 三层, 基材（ generally is PET）--- INK(ink)--- wear resistant material (more is types 特殊 胶).
　　当 injection molding formed rear, Film and plastics melt is 一体, wear resistant material in most outer 面.
　　 in machine 显示屏 more using/adopting this type of process, plastics material more is PC, PMMA, PBT and other, it main/primary has wear resistant and resistant function.
　　因PC thick, can use filament 网印, therefore relatively coarse 糙.

　　 also has types 叫IML(IN-MOUld-Label) technology, and IMD large same, is injection molding rear flim就像冲 pressure material belt/tape 一样拉出, is will printing 图案转印 to plastics parts upper, also inner 转印.
　　Flim generally is PET material, very electrical 影时 胶 sheet/slice, also 叫链子（FOIL）; PET thin, can use 胶版印, very fine 腻, especially electroplating and transparent, metal and surface fine 腻纹理都 very good.

　　3, detailed production process/workflow lower （实战 experience, exclusive 奉献）:

裁 large material ------ hot type ------裁 small material ------冲孔定位------ printing ------ solid 化------ semi formed product 检查------贴保护 film ------点眼------冲切------ molding ------ injection molding ------ in 线检验------贴保护 film ------修 gate ------ semi formed product 检验------背胶------ formed product 检验------贴保护 film ------ formed product packaging

　　注: upper is most comprehensive 工序; 当然, simple product use to its in separation 工序!

　　三, IMD mold design and molding key points

　　1, mold sink marks rate issues
　　 generally ABS, PMMA sink marks is 0.5%, 如做IMD mold, product surface need cover/cap 一层PET film, 显然两者 hot shrinkage rate different.

　　按本人 experience, IMD mold mold product its sink marks relatively mold small, 取0.3% comparison combined 适. is, injection molding plastics by sheet/slice 材包裹, for plastics shrinkage to retardant function.

　　2, sheet/slice issues
　　 sheet/slice is IMD mold formed key/critical; is most is complex issues. lower separation 几项进行 analysis:
　　a, 材质, ink
　　 generally sheet/slice 材 材质 is PET, has PC, PMMA sheet/slice 材. 但PET molding and recycled material plastics processing relatively excellent 良. surface gloss degree, wear resistance to requirements, therefore by application 材质. thick 0.125mm PET sheet/slice is most hot sheet/slice 材之一.

　　 ink, is printing raw materials, requirements wear resistant, high temperature resistance, 调配, screen printing as 业方便.

　　b, made sheet/slice 材（裁剪, hot molding ）

　　 generally process process/workflow is:

　　 sheet/slice selection ---〉 printing （工 tool: 菲林, filament machine; key points: ink selection, sheet/slice 材定位）
　　---〉贴保护 film
　　---〉 outer 形冲裁（工 tool: 刀模; key points: sheet/slice 材定位）
　　---〉贴保护 film
　　---〉 hot type （工 tool: hot type machine; key points: temperature degree control ）
　　---〉贴保护 film
　　请留意, 贴保护 film is ratio can less process, 请保护 and anti function; film generally use PE film.

　　 in hot type step/link, temperature degree control very important, 掌握不 good, easy make sheet/slice deformation, waste rate high.

　　 hot type machine upper, lower has add hot sheet/plate, in as maintain temperature degree. 移动式 add hot sheet/plate in sheet/slice rear, to sheet/slice 材顶部 for sheet/slice 材进行 preheating, make its soft, can clamping hot type 处理!

　　c, sheet/slice and type 腔 配 combined
　　 sheet/slice dimensions need ratio most 终 部 parts dimensions small 一点点. -------- most important 原则

　　 generally lower, 建议: sheet/slice dimensions need ratio parts dimensions mono small 0.02至0.03mm this 样, sheet/slice 材置入 type inner is easy, can full 伸展开. has 褶皱, formed product defect.
  in day active in, through waste product acquisition acquisition waste plastics very large separation is belongs to type, but also through waste recycling acquisition plastics Raw Materials especially 杂, especially is film, water bottle, made bag mixed combined in if need very good to recycled utilizing must will this Raw Materials very good classification, for different Raw Materials according to Raw Materials different 进行整理 classification, rear selection different equipment 进行处理.

is will 一 杂 material can uniform, must need will has Raw Materials 进行处理 good rear using/adopting high speed rate processing rear, mixed combined high melting point formed need temperature degree make its low melting point formed degradation, therefore in this time inner, lower 面几点 界别, requirements:

　　1, again processing equipment must can make mixed material in high temperature lower high speed rate, shrink short processing time.

　　2, requirements waste plastics and formed versus for solid 定, ensure again production product property can stability.

　　3, equipment can consumption low, output/production volume large, make its cost drop most low.  

尽 tube/pipe waste plastics recycling property and use new material manufacturing product large same ． recycling material price relatively low, however, other 方面 费 use versus high, equipment use lifespan, enterprise generally tube/pipe use and other, therefore, has high production rate can reduce cost.

　　3, sheet/slice molding mold design key points

　　a, use product 图, in Pro/e（ or other 3D soft parts ） 按 sheet/slice thick degree, will product surface toward inner 偏置, to sheet/slice 材 3D图. ---- most 麻烦 工 as!
　　b, sheet/slice 材 3D图, will its 展开, as sheet/slice 材 刀模, and other.
　　c, sheet/slice 材3D图 separation 模
　　d, manufacturing mold

　　4, molding mold design key points
　　因 need will sheet/slice to type inner injection molding, therefore, in design upper and 普通通 mold has different 方. lower its features analysis:
　　a, gate
　　不 using/adopting separation type 面直接进胶 methods!
　　 causes: in separation type generally has sheet/slice 材, 直接进胶 will sheet/slice 材冲开, formed product in gate 四周会 has gas marks, sheet/slice by 冲起皱, screen printing 图案亦会 by 冲开一 口子!
　　 generally need using/adopting 顶针潜 water methods, or 牛角潜 water 入胶（ rear 模需做两镶 parts, 各打牛角 semi 边胶位）
　　b, separation type and 碰穿面 requirements
　　 separation type 面不 像普通 mold 一样直接 from 胶位边顺延拉出, to toward lower 拉出3---5mm（ need 做3 degree above demolding 角） again as separation type 面. this 样, front rear separation type is scratch 穿面!

　　　5, molding issues

　　 small 结:

　　IMD mold in structure upper and mold has especially difference, main/primary in sheet/slice 材 定位方面.

　　IMD molding technology and molding processing in 架模, equipment 安装, molding conditions and other has relatively is requirements,另 mold and mold structure 不一样, in adjustment 开关模时应 especially attention/notes.

　　IMD mold in structure upper and mold has especially difference, main/primary in sheet/slice 材 定位方面.