【正文】
LL 較佳之冷料井 RADIUS半徑 Fan Gate扇形進(jìn)膠 Tooling Gating模具進(jìn)膠 Land Length 進(jìn)膠口長度 Inches Maximum 最大距離 Edge Gate側(cè)面進(jìn)膠 Tooling Gating模具進(jìn)膠 Single Tab Gate單點(diǎn)進(jìn)膠 Multiple Tab Gate多點(diǎn)進(jìn)膠 Gate 澆道 Tab Sprue 注口 6 in. Max 12 in. Max Tab Sprue 注口 Gate 澆道 Gate 澆道 Tab Tooling Gating模具進(jìn)澆 Knit Line結(jié)合線 Multiple Tab Gate多點(diǎn)進(jìn)膠 Tooling Gating模具進(jìn)膠 Disk or Diaphragm Gate Runner Part Runner Sprue Tooling Gating模具進(jìn)膠 Tooling Gating Gate Part Runner Disk Gate Ring Gate Runner Parallel Runner Gate Flash Gate Parallel Runner Tooling Gating Land Length 900 Tooling Gating Pin Point Gating Molded Part Sprue Parting Line Tunnel Gate Zero Land Length Knock Out Pin Grind Flat on Gate Side, Min. 20 Fasten Pin Head To Prevent Turning Tunnel Gate Tooling Gating Tunnel Knock Out Pin Molded Part Sprue Parting Line Gate Zero Land Length Grind Flat on Gate Side, Min. 20 Fasten Pin Head To Prevent Turning Tunnel Gate Tooling Gating R R Gate Cashew Gate Tooling Gating Knit Line Gate Area ? High Stresses ?Cosmetics ?Impact Tooling Gating Knit Line and Gate Area Injection Molding Tooling Valve Gate Shut Off System Bushings are Opened for Injection Injection Molding Tooling Valve Gate Shut Off System A Fills, Bushing A Closes Injection Molding Tooling Valve Gate Shut Off System B Fills, Bushing B Closes VENTING Tooling Venting Parting Line . Depth Gate Vent .060 Min. Note Step .500 .050Min. Tooling Venting Clearance Around Knockout .0025 Ejector Pin Tooling Venting TEMPERATURE CONTROL Tooling Temperature Control The Most Efficient Cooling Systems Are Those Which Operate Such That The Inlet and Outlet Coolant Temperatures Are Within 100 Of Each Other Fluid Velocity Ft./Sec. Turbulent Flow Transition Area Heat Transfer Efficiency Water Coolant Heat Transfer BTU Hr x Ft2 x 0F Laminar Flow Tooling Temperature Control 120 125 125 135 135 145 130 140 140 130 150 145 O O O O O O O O O O O O IN OUT Tooling Temperature Control ? Balanced Cooling ? Uniform Cooling ? Maximum Temperature Differential of 10 oF Tooling Temperature Control Injection Molding Tooling Mold Cooling Series Bubbler IN OUT POOR Pin Blade Injection Molding Tooling Mold Cooling Parallel Bubbler IN Correct OUT Pin Tube EJECTOR MECHANISMS Tooling Ejector Mechanisms ?Pin Diameter is as Large as Possible ?Pins Are as Numerous as Possible ?Pins Exert a Uniform Force on Molded Parts