Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

ABS short shot material shortage

A

Troubleshoot ABS short shot by temperature, venting, and gate; 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 later

Molds & Tooling short shot venting gate flow length

Q

ABS uneven gloss

A

Mold temperature stability is the core for ABS uneven gloss; controller calibration ensures accuracy; inspection ensures consistency.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling ABS; uneven gloss; mold temperature; fluctuation; controller; inspection

Q

ABS warpage internal stress

A

Cooling and draft angle are the foundation for ABS warpage; wall thickness and mold temperature are both important; holding pressure balance prevents stress.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling ABS; warpage; internal stress; cooling; draft angle; wall thickness

Q

ABS sink mark thick wall and rib

A

Rib design and holding pressure are the main countermeasures for ABS sink mark; uniform wall thickness is prevention; gate position affects feeding.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling ABS; sink mark; thick wall; rib; 50-60%; holding pressure

Q

ABS weld line strength 20-40%

A

The 20-40% strength retention of ABS weld line is a design constraint; mold temperature and gate are the main countermeasures; testing ensures structural safety.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Molds & Tooling ABS; weld line; strength; 20-40%; mold temperature; gate

Q

ABS burnt nozzle factors

A

The nozzle factors of ABS burnt are the front-end key point; orifice and temperature are both important; maintenance prevents failure.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery ABS; burnt; nozzle; orifice; temperature; front end

Q

ABS burnt equipment factors

A

The equipment factors of ABS burnt are the root cause; wear and dead spots are the key points; maintenance ensures long-term quality.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Processing Machinery ABS; burnt; equipment; screw wear; dead spot; purging

Q

ABS burnt material factors

A

The material factors of ABS burnt are the prevention focus; recycling and mixed material management; inspection ensures raw material quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Analysis ABS; burnt; material; recycled material; mixed material; color masterbatch

Q

ABS burnt marks at flow end

A

Speed and venting of ABS burnt are the adjustment directions; 10% steps are a fine method; the end is the key area.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Injection Molding ABS; burnt marks; end; trapped gas; speed; venting

Q

ABS silver streak non-moisture causes

A

The non-moisture causes of ABS silver streaks are in-depth diagnosis; gate, temperature and homogenization are adjustment directions; distinction ensures precise treatment.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence

Material Drying ABS; silver streak; non-moisture; melt temperature; shear rate; bubble

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