Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

PA6 Burnt Trapped-Air Treatment

A

Burnt is the result of trapped air and adiabatic compression, and venting structure is the radical means; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference f...

Injection Molding PA6 burnt trapped air venting insert

Q

PA6 Short Shot Venting Improvement

A

When short shot is accompanied by burnt, check venting first; venting improvement is more fundamental than pressure increase; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a trouble...

Molds & Tooling PA6 short shot vent groove burnt

Q

PA6 Flash from Parting Line Wear

A

Worsening flash mostly originates from mold condition deterioration, and mold repair is more fundamental than machine adjustment; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a tro...

Molds & Tooling PA6 flash parting line mold wear

Q

PA6 Weld Line Strengthening

A

Weld lines cannot be eliminated, only strengthened and avoided, and venting plus overflow are the key measures; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting refer...

Molding Process PA6 weld line strength overflow well

Q

PA6 Rib Sink Marks

A

Rib sink marks are first a design proportion problem, and process compensation capability is limited; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for s...

Processing Machinery PA6 rib position sink mark wall thickness ratio

Q

PA6 Warpage Deformation Countermeasures

A

Warpage treatment prioritizes balancing cooling and flow, and fixture shaping is a remedial means; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for simi...

Processing Machinery PA6 warpage cooling balance orientation

Q

PA6 Internal Stress Cracking

A

Internal stress cracking is a joint problem of design and process, and rounding plus conditioning are low-cost countermeasures; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PA6 internal stress cracking screw boss

Q

PA6 Uneven Surface Gloss

A

For uneven gloss, first check mold temperature uniformity, then check mold surface condition and venting; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference f...

Molds & Tooling PA6 uneven gloss mold temperature polishing

Q

PA6 Snake-Shaped Jetting Marks

A

The root of jetting marks is that the melt has no support when entering the cavity, and changing the gate-to-wall relationship is most effective; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling PA6 jetting mark snake-shaped mark gate design

Q

PA6 Gate Halo

A

Gate halo is a shear problem, with speed reduction, gate enlargement and temperature raising working together; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting refere...

Molds & Tooling PA6 gate halo shear multi-stage injection

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