Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Undrawn Yarn Mixed In

This problem is a typical manifestation of undrawn yarn mixed in in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of metering supply, and the optimized maintenance of the spinneret/cooling air field. It is recommended...

Extrusion & Post filament breakage and floating filamentmelt temperature fluctuationspinneret cloggingchip dryingwinding tension

Color Difference

This problem is a typical manifestation of color difference in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of metering supply, and the optimized maintenance of the spinneret/cooling air field. It is recommended to s...

Extrusion & Post spinning color differencemasterbatch meteringtemperature fluctuationchip batchcolorant stability

Uneven Oil Agent

This problem is a typical manifestation of uneven oil agent in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of metering supply, and the optimized maintenance of the spinneret/cooling air field. It is recommended to s...

Extrusion & Post uneven oil agentoiling nozzle maintenanceoil agent concentrationtemperature control stabilityyarn guide positioning

Winding Speed Fluctuation

This problem is a typical manifestation of winding speed fluctuation in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of metering supply, and the optimized maintenance of the spinneret/cooling air field. It is recomme...

Extrusion & Post pulling slippagerubber wearclamping pressurefriction coefficientwater and oil on product surface

Improper Heat Setting Temperature

This problem is a typical manifestation of improper heat setting temperature in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of metering supply, and the optimized maintenance of the spinneret/cooling air field. It is...

Molds & Tooling uneven roller temperatureheat transfer oil channelsroller end heat dissipationinfrared temperature measurementtemperature control deviation

Improper Draw Ratio/Insufficient Drawing

This problem is a typical manifestation of improper draw ratio/insufficient drawing in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of metering supply, and the optimized maintenance of the spinneret/cooling air field...

Extrusion & Post roller speed mismatchspeed ratio settingtransmission slippagematerial rheologyspeed ratio adjustment

Uneven Cooling Air Speed

This problem is a typical manifestation of uneven cooling air speed in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of metering supply, and the optimized maintenance of the spinneret/cooling air field. It is recommen...

Extrusion & Post pipe bendingcooling uniformitypulling deflectiondie temperaturecoaxiality

Cooling Air Temperature Too High/Too Low

This problem is a typical manifestation of cooling air temperature too high/too low in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of metering supply, and the optimized maintenance of the spinneret/cooling air field...

Extrusion & Post cooling air temperatureair conditioning unitconstant temperature workshopair-cooled heat exchangeuniform wind speed

Gel Particles/Fish Eyes

The essence of fish eyes is incompletely melted ultra-high molecular weight components or crosslinked gel in the resin. The solution approach is "raising temperature + filtration + changing material": increase the plasticization temperature to ensure full melting, use filter screens to filter out...

Extrusion & Post fish eyeshigh molecular weight componentsplasticization temperaturefilter screen filtrationresin purity

Melt Degradation/Yellowing

The essence of degradation yellowing is that polymer molecular chains undergo chain scission and chemical changes under high-temperature and high-shear conditions. The core of the solution is "three controls": control the processing temperature within the recommended range of the material, contro...

Material Drying degradation yellowingprocessing temperatureresidence timeheat stabilizerPVC dehydrochlorination

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