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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
Severe Excessive Orientation of CMC
A
Excessive orientation is caused by fast unidirectional flow; speed reduction and multi-point gates are the key
Injection Molding CMCexcessive orientationinjection speedmulti-point gatesproperty difference
Q
Internal Black Specks and Carbonization of CMC
A
Black specks are caused by thermal carbonization and carbon deposits; temperature reduction and regular cleaning are the key
Processing Machinery CMCinternal black specksthermal carbonizationscrew cleaningtemperature control
Q
Twisting Deformation of CMC Products
A
Twisting deformation is caused by asymmetric cooling; symmetric cooling is the key
Molds & Tooling CMCtwisting deformationsymmetric coolinggate arrangementannealing
Q
Low Flexural Modulus of CMC
Q
Insufficient Roundness of CMC
A
Insufficient roundness is caused by uneven cooling; annular cooling is the key
Molds & Tooling CMCinsufficient roundnessuniform coolinggate symmetrydemolding force
Q
Internal Voids of CMC
A
Q
Hydrolytic Aging of CMC
A
Hydrolytic aging is caused by polar groups being sensitive to water; selecting a low-polarity grade is the key
Material Analysis CMChydrolytic agingpolar groupsanti-hydrolysis stabilizerwaterproof coating
Q
Periodic Surface Ripples of CMC
A
Ripples are caused by unstable injection; equipment overhaul and PID control are the key
Injection Molding CMCsurface ripplesinjection stabilityequipment overhaulPID control
Q
Unstable Viscosity of CMC Solution Preparation
A
CMC viscosity stability is determined by molecular weight distribution and solution preparation conditions
Material Analysis CMC solution preparationviscosity fluctuationmolecular weight distributionsolution preparation temperaturefull stirring
Q
Large Smoke in CMC Processing
A
Large smoke is caused by volatilization of volatiles; temperature reduction and exhaust are the key
Material Analysis CMCprocessing smokevolatilesexhaust systemtemperature reduction
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