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【正文】 UND PARTS USED AROUND PINS BOSSES Tooling Ejector Mechanisms EFFECT OF THICKNESS ON SHRINKAGE 2 4 6 8 8 10 12 14 6 0 (VALOX 420) A B B A Direction of flow Cross Flow Direction Melt Temp, 500 F ( 260 C) Mold Temp, 150 F (66 C) Pressure 12,500 psi Cycle Time 22 Sec Thickness, Mils Shrinkage, Mils/ Inch Shrinkage, Mils/ Inch O O O O A B GE Plastics Some Other Options e 104 P L TEMPERATURE CONTROL BASIC FOUNTAIN (BUBBLER) See ProcPict and SWProc for other Options. P L TEMPERATURE CONTROL BAFFLE EXTENSION FOR SLENDER CORE GATING PIN GATE/THREE PLATE MOLD RUNNER PARTING LINE GATE PARTING LINE .125 .250 5 .100 .250?Flow HOT SPRUE GATING Heating Element Should Be fully Extended to Ensure Even Heating 0 Gating Location Gate Gate Location is strongly influenced by the glass content of the material. End Gating is preferred in glass filled materials to minimize warpage. RUNNERS ?Balanced Layout Preferred ?Primary Full Round or Trapezoidal .375 10?Long or Above .312 3?to 10 .250 3?or Under ?Secondary 250 Minimum GE Plastics g Injection Mold Tooling 謝謝觀看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH 。GE Plastics Injection Mold Tooling 射出成型模具 e GOOD PART Tooling Considerations模具相關事項 好產品 RESIN SUPPLIER 膠粒供應商 END USER最終用戶 MOLDER製模師父 MOLD MAKER模具加工商 Tooling Considerations模具相關事項 TOOLING DEVELOPMENT 塑膠模具發(fā)展 Tooling模具 Processing Problems 製程上所遇之問題 ? Black Specks黑點 ? Gloss光澤度 ? Jetting噴射現象 ? Delamination分層 ? Fingerprinting手紋 ? PlateOut電鍍 Tooling Development模具發(fā)展 ? Weld Lines結合線 ? Burn Marks燒痕 ? Dimensional Control尺寸控制 ? Streaking流痕 ? Sticking黏模 ? Brittleness脆性 Processing Problems 製程上所遇之問題 Tooling Development模具發(fā)展 ? Short Shots短射 ? Flash毛邊 ? Sinks/Voids縮水 ? Warpage翹曲 ? Splay裂開 /Silver Streaking銀痕 ? Gate Blush進澆白化 /Halo Processing Problems 製程上所遇之問題 Tooling Development模具發(fā)展 ? Inconsistent Cycle 周期不一致 THE WORST PROBLEM 最嚴重的問題 Processing Problems 製程上所遇之問題 Tooling Development模具發(fā)展 Anonymous佚名 The CHEAPEST Tool is The One That WORKS 左圖為最便宜之模具 只有一個模板 Tooling Development模具發(fā)展 Customs and Practices of the Moldmaking Industry Classifications of Injection Molds for Thermoplastic Materials A Guide for the Purchaser or Manufacturer of Thermo plastic Injection Molds Up to 400 Tons and 400 ton
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