注塑模具簡介(參考版)
2025-02-17 14:30本頁面
【正文】 Runners Design澆道設(shè)計(jì) Round Most Efficient 澆道剖面為圓形者，為最佳流動狀態(tài) Good 澆道剖面為梯形流動性良好 Round Not Good 澆道部面為半圓形流動性不佳 Tooling Runners模具澆道 Runners澆道 Trapezoid Profiles梯形剖面澆道 r d r d r/d W D 1/8 3/16 1/8 3/16 1/4 3/16 1/4 5/16 1/4 5/16 7/16 5/16 3/8 1/2 3/8 ? Equivalent Round Runner 同效果之圓形與梯形剖面 ? Design Alternative 設(shè)計(jì)上可選擇二種其中之一 Tooling Runners模具澆道 W D Sprue Puller料頭倒扣 TAPER BEST 倒錐形倒扣效果最佳 PULLER GOOD z型倒扣效果良好 TROUBLESOME 環(huán)狀倒扣不易脫模 PIN NOT RECOMMENDED 無設(shè)計(jì)倒扣不建議使用 Tooling Runners模具澆道 RESTRICTIVE 限制性 PREFERRED 首選 Tooling Runners模具澆道 A small increase in radius dramatically increases the flow through the runner. 少量增加澆道半徑， Q值流動速率會大幅增加 R = Radius半徑 Q=Volumetric Flow Rate單位體積流動速率 Q = 8n L Q Proportional to R2 Q與 R2成正比 n R P 2 Tooling Runners模具澆道 Flow Direction 膠粒流動方向 Cold Slug Well 冷料井效果良好 Round Cross Section (3/16 to 3/8 Dia.) 冷料井末端為環(huán)狀直徑 3/16英吋到 3/8英吋 Short Length Cold Slug Wells 短距離之冷料井效果良好 Cold Slug Well 冷料井效果良好 Tooling Runners模具澆道 Unbalanced System非平衡式澆道設(shè)計(jì) A A A A B B B B Tooling Runners模具澆道 Artificially Balanced人工設(shè)計(jì)平衡澆道 1/8 1/4 3/8 1/2 1/2英吋 Dia直徑 Tooling Runners模具澆道 Balanced System平衡的澆道系統(tǒng) A A A A A A A A Tooling Runners模具澆道 RUNNERLESS MOLDING 無澆道系統(tǒng) Tooling Runnerless Molding模具無澆道系統(tǒng) Hot Runner Benefits熱澆道的優(yōu)點(diǎn) ? Faster Cycles成型周期減少 15~20% 1520% Faster ? Eliminates Material Waste排除材料浪費(fèi) No Sprues or Runners無注口或澆道 ? Improves Part Quality改進(jìn)成形品品質(zhì) Less Stress較低殘留內(nèi)應(yīng)力 Better Appearance較佳之外觀 Tooling Runnerless Molding模具無澆道系統(tǒng) RUNNERLESS MOLDING SYSTEMS:無澆道系統(tǒng) INCOE KONA DME PLASTHING Hot One RAMA Cool One HUSKY MOLDMASTER FASTHEAT SPEAR EUROPE ASIA SPRUELESS HOMEMADE Compression Seal 高壓密封 Plug插銷 Moldmakers Choice 模具製造商自行選擇 Diameter Fit Seal 直徑合適密封 Tooling Runnerless Molding模具無澆道成型 Cavity Plate = 500 Manifold = 5000 Thermal Expansion of Steel .00000633 Per Inch Per Degree 6 in. = .017 In. 12 in. = .034 In. 18 in. = .051 In. Tooling Runnerless Molding模具無澆道成型 GATING進(jìn)澆口 Tooling Gating模具進(jìn)膠 ?Direct Sprue Gate直接進(jìn)膠 ?Edge Gate側(cè)邊進(jìn)膠 ?Fan Gate扇形進(jìn)膠 ?Tunnel Gate潛入進(jìn)膠 ?Single單點(diǎn)進(jìn)膠 ? MultipleTab Gates多點(diǎn)進(jìn)膠 ?Disk Gate ?Ring Gate環(huán)形進(jìn)膠 lash Gate iaphragm Gate odified ?Gate in Gate ump Gate alve Gate ? Etc. Types of Gating進(jìn)膠口之種類 Tooling Gating模具進(jìn)膠 Direct Sprue Gate直接進(jìn)膠式 Molded Part成形品 Sprue進(jìn)膠口 Tooling Gating模具進(jìn)膠 PART成形品 RUNNER澆道 GATE進(jìn)膠 LAND進(jìn)膠緩沖帶 Fan Gate扇形進(jìn)膠 Tooling Gating模具進(jìn)膠 COLD SLUG WE
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