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picture1_Injection Molding Pdf 212290 | Inject1


 87x       Filetype PDF       File size 0.07 MB       Source: www.westlake.com


File: Injection Molding Pdf 212290 | Inject1
Injection Molding Troubleshooting Guide Problem Source(s) Cause(s) Problem Source(s) Cause(s) Problem Source(s) Cause(s) Machine Excessive residence time in barrel Mold (cont.) Improper runners or gates Machine Injection speed too ...

icon picture PDF Filetype PDF | Posted on 15 Feb 2023 | 2 years ago
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...Injection molding troubleshooting guide problem source s cause machine excessive residence time in barrel mold cont improper runners or gates speed too low hang up of molten material runner system temperature inadequate cushion contamination bubbles moisture hold short degradation due to malfunctioning heater bands thermocouples operator inconsistent cycle defective nozzle shutoff mechanism pressure inefficient conditions back sharp gate and corners cracked cylinder pitted screw high release oil leaking into the unit compression ratio delaminationmaterial contaminated regrind sprue bushing nicked rough not seating faulty controllers foreign materials additives burned caused by venting hot grease lubricants temperatures shot size black specks streaks small for n marks diameter raw lacation wrong used particular bur vents plugged peened shut process gating location rotation rpm use design flow soft lubricant discoloration cooling cycles blisters insufficient that is coarse highly volatil...
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