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PVC Injection Speed Medium-Low Speed

PVC speed strategy is segmented control dominated by medium-low speed; slow at the gate area, stable in the filling section, temperature compensates weld lines; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding PVC;injection speed;50-80mm/s;segmented;burnt

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PVC Shoe Sole

Sole deformation is controlled by wall thickness and cooling; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Injection Molding PVCshoe soledemoldingdeformation

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PVC Equipment Specialization

Specialization of PVC equipment is the entry threshold; missing any one of the four anti-corrosion pieces discounts equipment life; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding PVC;dedicated equipment;anti-corrosion;bimetallic;entry

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PVC Pipe Fitting '2079851475616104452

The temptation to raise temperature for PVC pipe fittings is the biggest process trap; only lowering temperature plus gate optimization plus anti-corrosion can break out of the vicious cycle; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent rec...

Injection Molding PVC;pipe fitting;burnt;vicious cycle;anti-corrosion

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PVC Gate and Runner Enlargement

Bigger is better for PVC's gating system; enlargement to reduce shear is the common solution for filling and degradation prevention; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding PVC;gate;runner;enlargement;high viscosity

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PVC Nozzle Large Orifice

The large-orifice nozzle is a key detail for PVC shear prevention; the 30% enlargement margin is written into the equipment specification; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding PVC;nozzle;large orifice;30%;shear

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PVC Check Ring

Metering stability depends on check ring condition; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future

Injection Molding PVCcheck ringmeteringSPC

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PVC Injection Product Stress Cracking

PVC cracking = 'stress + media': internal stress is the internal cause, media is the external cause; high-stress parts must reduce stress from both process and structure; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Injection Molding PVC; stress cracking; media; internal stress

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PVC Injection Product Uneven Discoloration

PVC local discoloration = 'local overheating': hot runner temperature difference and retention are the two sources; PVC is heat-sensitive, any local overheating shows color — temperature control uniformity is fundamental.

Injection Molding PVC; '2079851475616104452; discoloration; hot runner; shear heat

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PVC Injection Product Peeling

PVC peeling = 'contamination and plasticization': interlayer non-fusion caused by poor PVC plasticization is its characteristic; first check contamination then grasp plasticization, release agent dosage must also be controlled.

Injection Molding PVC; '2079851475616104452; peeling; contamination; plasticization

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Tüm Konular 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382

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