문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

기사 둘러보기 →

Q

PMMA Recycled Material Sheet Quality Fluctuation

A

Sheet quality consistency is the prerequisite for processing stability; the economy of recycled material must be comprehensively weighed against scrap risk.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Processing Machinery PMMA; recycled material; sheet; consistency; casting; extrusion

Q

PMMA Surface Hardness and Scratches

A

Scratch protection relies on matching material and process; hard coatings are a common solution for high-contact scenarios, and internal stress management also helps.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Processing Machinery PMMA; scratch; hardness; coating; protection; polishing

Q

PMMA Insufficient Cooling Deformation

A

PMMA cycle optimization must not sacrifice cooling sufficiency; for deformed parts, rechecking cooling time is often the most direct solution path.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Processing Machinery PMMA; cooling; deformation; cycle; wall thickness; ejection

Q

PMMA Yellowing Index Exceeds Standard

A

Although PMMA has good weather resistance, it still needs stabilizer support; controlling heat history on the processing side can preserve the material's original anti-yellowing capability.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recu...

Processing Machinery PMMA; yellowing; YI; ultraviolet; light stabilizer; aging

Q

PMMA Extruded Sheet Surface Gel Particles

A

Gel particles affect the optical and appearance grade of sheets; dual control of filtration and plasticization, and high-precision multi-layer filtration is recommended for optical-grade sheets.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent...

Processing Machinery PMMA; extrusion; gel particle; impurity; filter screen; plasticizing

Q

PMMA Sanding Whitening

A

Sanding whitening is the combined action of heat and stress; standardized step-by-step sanding process can balance efficiency and transparency recovery.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Processing Machinery PMMA; sanding; whitening; polishing; stress; transparency

Q

PMMA Hot Bending Bubbles and Cracking

A

Hot bending quality relies on temperature and cooling rhythm control; stepped cooling (60℃→40℃→room temperature) is an effective method to eliminate hot bending stress.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Processing Machinery PMMA; hot bending; bubbles; cracking; stepped cooling; temperature

Q

PMMA Bonding Bubbles and Whitening

A

Bonding quality depends on surface cleanliness and curing management; post-curing both removes bubbles and relieves stress, and is a standard process for bonded parts.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Processing Machinery PMMA; bonding; bubbles; whitening; curing; cleaning

Q

PMMA Thick-Wall Part Vacuum Voids

A

Vacuum voids are a fatal defect of thick-wall transparent parts; structural thinning is fundamental, and thick optical parts also need dedicated process evaluation.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Processing Machinery PMMA; vacuum void; thick wall; feeding compensation; optical; coring out

Q

PMMA High Melt Viscosity and Difficult Filling

A

PMMA filling relies on pressure and mold temperature compensation rather than simply raising temperature; high-flow grades and runner optimization can fundamentally widen the window.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.

Processing Machinery PMMA; viscosity; filling; short shot; pressure; flow

이전 1 ... 107 108 109 110 111 112 113 ... 203 다음

카테고리

전체 주제 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