clamping tonnage VS shot weight clamping tonnage(T-吨) shot weight(g-克) shot weight(oz-盎司) 10 7 0.24 20 18 0.64 30 31 1.1 40 48 1.7 50 65 2.3 60 85 3 70 116 4.1 80 128 4.5 90 151 5.3 100 173…
Hardness Conversion Chart Tensile strength Rm N/mm2 Vickers hardness HV Brinell hardness HB Rockwell hardness HRC 270 85 80.7 – 285 90 85.2 – 305 95 90.2 – 320 100 95.0 – 335 105 99.8 – 350 110 105 –…
The plastic mold finish standard data: polishing standard Surface finish of SPI-SPE standard A-0 # 1 diamond buff (optical requirements) A-1 # 3 diamond buff polishing (mirror) A-2 # 6 diamond buff polishing (mirror) A-3 # 15 diamond…
Mold temperature control Hot runner mold temperature is controlled by a system,which includes temperature control box,heating coil and nozzle. 1. method for mold temperature control there are several ways available methods such as steam, hot oil circulation, , and the…
1.Open gate 1.1 the hot-runner system has processed plastic material with a certain color. 1.2 cleanup barrel by plastic material with demand color . 1.3 heat each heating zone with the temperature by 15-20 ℃ over normal production temperature .…
Barrel and plastic mold temperature during the injection molding Plastic heating time and temperature Cooling Channel Diameter of plastic mold flow length to wall thickness and cavity pressure
A hot runner injection mold is a type of injection molding system in which the plastic melt is heated and delivered to the mold via a heated nozzle. The main advantage of using a hot runner system is that it…
plastic mold maintenance 一.准備清模工具:噴槍,氣槍,手電鉆,去漬油,砂紙,碎布,油石,煤油,圓銅刷,棉花. Prepare mold cleaning tools:spray gun,Air gun,electric hand drill,Cleaning fluid , clean Cloth ,Oil stone,Kerosene,Round copper brush,Cotton. 二.用油石將公母模入子的油污清除.(400#油石) Use oil-stone to polish dirt on the inserts, which is fixed in mold cavity or core.…
Injection Molding Touble Shooting Problems Water Mark Streak Flash Weld Line Poor Surface Unfilled Burn Color Problem Deform Thick Crack Possible Reason Low Barrel Temp ● ● ● ● ● ● High Barrel Temp ● ● ● ● ● High Injection Pressure ● ● ● Low Injection Pressure ● ● ● ● Short Packing Time ● Long Packing Time ●…
Surface Ra of different plastic molding material Ra index arrange μm 0.012 0.025 0.05 0.1 0.2 0.4 0.8 1.6 3.2 6.3 12.5 25 inject Thermoplastics PMMA 0.025 0.05 0.1 0.2 0.4 0.8 1.6 ABS 0.025 0.05 0.1 0.2 0.4 0.8 1.6 AS 0.025…