메뉴
재료 기계
인사이트
기사 동영상 문제 및 해결책
About
Chembull 소개 미디어 파트너
문의하기
언어
EnglishالعربيةPortuguêsEspañolDeutschTürkçe한국어

문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

기사 둘러보기 →
11636 질문
Q
PVA angle deviation
A
Angle deviation is caused by shrinkage and insufficient design compensation; pre-compensation is the key
Molds & Tooling PVAangle deviationshrinkage compensationmold designfull cooling
16 조회수
전체 답변 읽기 →
Q
Obvious PVA surface color difference
A
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are the key
Injection Molding PVAcolor differencecolor masterbatch dispersionpigment orientationtemperature stability
15 조회수
전체 답변 읽기 →
Q
PVA length out of tolerance
A
Length out of tolerance is caused by unstable shrinkage rate; precise shrinkage compensation is the key
Molds & Tooling PVAlength out of toleranceshrinkage ratemold compensationfull cooling
16 조회수
전체 답변 읽기 →
Q
PVA surface orange peel pattern
A
Orange peel pattern is caused by rapid cooling and solidification; raising mold temperature and holding pressure are the key
Injection Molding PVAorange peel patternmold temperatureholding pressuresurface solidification
15 조회수
전체 답변 읽기 →
Q
PVA vacuum vent section material overflow
A
Overflow is caused by low melt viscosity; temperature reduction and baffle are the key
Extrusion & Post PVAvacuum vent overflowmelt viscositytemperature reductionvent baffle
15 조회수
전체 답변 읽기 →
Q
Severe PVA internal stress concentration
A
Internal stress is caused by fast injection and uneven cooling; speed reduction, uniform cooling and annealing are the key
Injection Molding PVAinternal stressorientation stressannealing treatmentuniform cooling
15 조회수
전체 답변 읽기 →
Q
Dense PVA surface pockmarks
A
Pockmarks are caused by raw material impurities and mold damage; pure raw material and mold maintenance are the key
Extrusion & Post PVAsurface pockmarkimpurity particlesmold repairraw material purity
15 조회수
전체 답변 읽기 →
Q
PVA stress cracking
A
Stress cracking is caused by stress-accelerated chemical attack; annealing and high MW are the key
Production & Quality PVAstress crackingenvironmental stressannealing treatmenthigh molecular weight
16 조회수
전체 답변 읽기 →
Q
PVA surface microcracks
A
Microcracks are caused by excessive internal stress; annealing and crack-resistant design are the key
Production & Quality PVAmicrocrackinternal stressannealing treatmentstress concentration design
16 조회수
전체 답변 읽기 →
Q
Poor PVA surface gloss
이전 1 ... 490 491 492 493 494 495 496 ... 1164 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
ChemAI