Problem & Solution

Practical answers to common plastic material challenges

Browse Articles →

Q

Periodic Long-Segment Denier Jumps in the Pulling Zone During Spinning of Staple Fiber for Nonwovens

A

This problem is a typical manifestation of periodic long-segment denier jumps in the pulling zone during spinning of staple fiber for nonwovens 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 ...

Extrusion & Post pulling slippagepulling roller wearclamping pressuretransmission systemdimensional fluctuation

Q

Homogenization Defects of Carbon Fiber Precursor – Disordered Internal Cyclization Reaction of PAN Polymerization Liquid

A

This problem is a typical manifestation of homogenization defects of carbon fiber precursor – disordered internal cyclization reaction of PAN polymerization liquid in melt spinning. The core of the solution lies in the precise stability of the spinning temperature, the high-precision control of m...

Extrusion & Post homogenization defects of carbon fiber precursor – disordered internal cyclization reaction of PAN polymerization liquidtemperature

Q

Melt Conveying Difficulty Caused by Material IV Fluctuation

A

This problem is a typical manifestation of melt conveying difficulty caused by material IV 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 spinnere...

Extrusion & Post melt conveying difficulty caused by material IV fluctuationmaterial

Q

Frequent Yarn End and Yarn Threading Failures Caused During the Doffing Process of the Package

A

This problem is a typical manifestation of frequent yarn end and yarn threading failures caused during the doffing process of the package 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 op...

Extrusion & Post frequent yarn end and yarn threading failures caused during the doffing process of the package

Q

Post-Dyeing Unevenness Caused by Poor Thermal History

A

This problem is a typical manifestation of post-dyeing unevenness caused by poor thermal history 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/cool...

Extrusion & Post post-dyeing unevenness caused by poor thermal historytemperature

Q

Poor End-Face Formation of the Cut Yarn Cake

A

This problem is a typical manifestation of poor end-face formation of the cut yarn cake 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 f...

Extrusion & Post poor end-face formation of the cut yarn cake

Q

Severe Fluctuation of Cold Shock Feeding in the Screw Feed Section

A

This problem is a typical manifestation of severe fluctuation of cold shock feeding in the screw feed section 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 s...

Material Drying severe fluctuation of cold shock feeding in the screw feed sectiontemperature

Q

Inner-Outer Layer Difference of the Yarn Cake (Snarl Stress)

A

This problem is a typical manifestation of inner-outer layer difference of the yarn cake (snarl stress) 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 spinner...

Extrusion & Post improper draw ratioroller speed calibrationdrawing temperatureorientation leveldraw ratio

Q

Rubber Build-Up on the Pulling Roller Surface

A

This problem is a typical manifestation of rubber build-up on the pulling roller surface 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 ...

Extrusion & Post pulling slippagepulling roller wearclamping pressuretransmission systemdimensional fluctuation

Q

Vacuum Degree Drop of the Vented Spinning Machine

A

This problem is a typical manifestation of vacuum degree drop of the vented spinning machine 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 ...

Extrusion & Post poor ventingvent port material leakagevacuum pipelinescrew conveying matchingvent port design

Prev 1 ... 1123 1124 1125 1126 1127 1128 1129 ... 1164 Next

Categories

All Topics 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