Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Core-Surface Crystallization Stress Cracking of Large PEEK Parts

A

6.3cm is the stress threshold for large PEEK parts; high-temperature annealing is a must; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery large part crackingcrystallization stresshigh-temperature annealingthick wall

Q

PEEK Film Stretching and Heat Treatment

A

PEEK film performance comes after stretching and heat treatment; the original film is only a semi-finished product; 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 refere...

Extrusion & Post PEEK filmstretchingheat treatmentinsulation

Q

PEEK Compression Molding Demolding Difficulty

A

Compression molding demolding relies on the dual means of PTFE internal lubrication plus mold surface treatment; 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...

Molds & Tooling compression molding demoldingPTFE lubricationmold stickingrelease agent

Q

PEEK Compression Molding Temperature and Cooling Control

A

The success of compression molding lies in melt holding and controlled cooling; the rate must be actually measured by thermocouple; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubl...

Molds & Tooling compression molding temperaturecooling rateholdingdemolding

Q

PEEK Compression Molding Particle Boundary Marks as Weak Lines

A

Pellet molding boundary marks are congenital weak lines; fine powder plus directional avoidance is the response; 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...

Processing Machinery compression moldingparticle boundary markfine powderstrength weak point

Q

PEEK Compression Molding Pores and Bubbles

A

Compression molding pores are controlled by double drying (material + mold) plus pre-pressing venting; 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 simil...

Material Drying compression moldingporepowder dryingpre-pressing

Q

PEEK Weld Line and Confluence Strength

A

PEEK weld lines are eliminated by design; process improvement is only a remedy; 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

Molds & Tooling weld lineconfluencemultiple gatesstrength

Q

PEEK Warpage and Uneven Crystallization

A

PEEK warpage is a crystallization stress problem; mold temperature balance comes before holding pressure adjustment; 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 refer...

Molds & Tooling warpageuneven crystallizationmold temperature balanceholding pressure

Q

PEEK Fiber Floating and Appearance

A

Floating fibers rely on temperature and injection speed to promote encapsulation; mold condition also affects fiber distribution; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubles...

Injection Molding floating fiberfiber reinforcementappearancewetting

Q

PEEK Tiger Stripe Pattern and Pulsating Flow

A

Tiger stripes originate from pulsating flow; raising temperature and enlarging the gate restore continuous filling; 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 refere...

Molds & Tooling tiger stripepulsating flowgateplasticizing

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