Sorun ve Çözüm

Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →

Longitudinal retraction rate of polyolefin plastomer pipes exceeding the standard

Excessive retraction rate is caused by large internal stress or excessive orientation, and needs to be solved from temperature control, cooling rate, and hauling speed.

Extrusion & Post longitudinal retraction rateinternal stresscooling ratehauling speedmolecular orientation

4 görüntüleme

Tam Yanıtı Oku →

Unstable discharge/surging in the polyolefin plastomer extrusion process

Unstable discharge is caused by unstable solid conveying, and the barrel temperature and feeding system need to be optimized.

Extrusion & Post unstable dischargesurgingsolid conveyinghopper bridgingscrew speed

9 görüntüleme

Tam Yanıtı Oku →

Dimensional fluctuation of polyolefin plastomer extruded products

Dimensional fluctuation is caused by unstable extrusion or hauling, and all process parameters need to be systematically stabilized.

Extrusion & Post dimensional fluctuationscrew speedhauling speedtemperature stabilityuniform feeding

4 görüntüleme

Tam Yanıtı Oku →

Excessive POP blending ratio of polyolefin plastomer causes film stickiness

POP blending stickiness needs to be solved by controlling the ratio, increasing additives, and optimizing winding conditions.

Extrusion & Post POP blendingfilm stickinessslip agentanti-blocking agentwinding temperature

3 görüntüleme

Tam Yanıtı Oku →

Cyclic pressure fatigue failure of polyolefin plastomer PPR pipes

Fatigue failure is caused by internal defects and stress concentration, and needs to be improved from three aspects: pipe inner wall quality, welding quality, and material toughness.

Extrusion & Post fatigue failurePPRstress concentrationinner wall qualitywelding weld bead

3 görüntüleme

Tam Yanıtı Oku →

Thermal aging performance of polyolefin plastomer PPR pipes not up to standard

Thermal aging performance not up to standard is caused by an insufficient antioxidant system, and needs to be solved from formulation and processing temperature control.

Extrusion & Post thermal agingantioxidantPPRoxidation induction timeextrusion temperature

3 görüntüleme

Tam Yanıtı Oku →

Melt flow rate mismatch of raw materials for polyolefin plastomer extrusion

MFR mismatch needs to be solved by selecting suitable grades and adjusting temperature parameters.

Extrusion & Post melt flow rategrade selectionextrusion gradeprocess adjustmentbatch testing

3 görüntüleme

Tam Yanıtı Oku →

Insufficient long-term hydrostatic strength of polyolefin plastomer PPR pipes

Insufficient long-term hydrostatic strength is caused by material selection and processing quality, and needs to be comprehensively controlled from raw materials, process, and welding.

Extrusion & Post hydrostatic strengthPPRmolecular weightpipe wall thicknesscrystallinity

3 görüntüleme

Tam Yanıtı Oku →

Sharkskin pattern appearing on the surface of polyolefin plastomer extruded products

Sharkskin pattern is the result of stick-slip flow of the melt at the die exit, and is improved by raising the die temperature and reducing the extrusion speed.

Extrusion & Post sharkskinmelt fracturedie temperatureextrusion speeddie polishing

3 görüntüleme

Tam Yanıtı Oku →

Unstable cooling line height of polyolefin plastomer films (Variant: Enhanced Measures)

Unstable cooling line is caused by fluctuations in cooling or extrusion conditions, and the air ring parameters and environmental conditions need to be stabilized. Targeted preventive measures need to be taken in different production scenarios.

Extrusion & Post cooling linefrost lineair ring stabilityextrusion temperatureambient airflow

3 görüntüleme

Tam Yanıtı Oku →

Önceki 1 ... 26 27 28 29 30 31 32 ... 224 Sonraki

Kategoriler

Tüm Konular 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

Sorun ve Çözüm

Kategoriler

Teklif Al