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Problem & Solution

Practical answers to common plastic material challenges

1506 questions
Q
DSTDP injection molded product oil spots
A
Oil spots are caused by external sources of release agent and lubricant; reducing release agent and sealing mold lubrication are key
Injection Molding DSTDP injectionoil spotsmold release agentlubricant exudationmold sealing
Q
DSTDP and color masterbatch mixing uneven color
A
Color masterbatch carrier matching and sufficient dispersion are the key to color uniformity
Injection Molding DSTDP coloringcolor masterbatchcarrier compatibilitypigment dispersioncolor streaks
Q
DSTDP injection insufficient flow length ratio
A
Insufficient flow length ratio is caused by DSTDP high viscosity; high temperature, high pressure and large gate are key
Injection Molding DSTDP injectionflow length ratiomelt viscosityinjection temperatureflow aid
Q
DSTDP injection severe flash
A
Flash is caused by high-pressure injection and mold gap; reducing pressure and improving mold fitting are key
Injection Molding DSTDP injectionflashclamping forceparting lineinjection pressure
Q
DSTDP injection gate freezing too early
A
Premature gate freezing is caused by small gate and low temperature; enlarging the gate and raising temperature are the fundamental measures
Injection Molding DSTDP injectiongate freezingholding pressure transmissiongate sizemold temperature
Q
DSTDP injection mold venting burning
A
Q
DSTDP '2079851475616104452 warpage deformation
A
Warpage is caused by differential shrinkage and orientation stress; uniform mold temperature and holding pressure are key
Injection Molding DSTDP injectionwarpageshrinkage rateholding pressureannealing treatment
Q
DSTDP '2079851475616104452 demolding difficulty
A
Demolding difficulty is caused by adhesion and insufficient mold design; increasing demolding draft is the fundamental measure
Injection Molding DSTDP injectiondemolding difficultydemolding draftadhesionejection design
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
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
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