문제 및 해결책

Q

Coating Liquid Gelation (Not Flowing When Stirred in a Circle)

A

This problem is a typical manifestation of coating liquid gelation (not flowing when stirred in a circle) in coating forming. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating liquid, and precisely controlling the curin...

Extrusion & Post incomplete curingcuring temperaturecuring timecuring agent ratioUV lamp

Q

Texture Becoming Shallow After Embossing of UV-Cured Coating

A

The essence of incomplete curing is that the crosslinking reaction has not reached the designed conversion rate. The core of the solution is the precise matching of the three elements "temperature + time + formulation": ensure the curing temperature and time are within the recommended window of t...

Extrusion & Post uneven roller temperatureheat transfer oil channelsroller end heat dissipationinfrared temperature measurementtemperature control deviation

Q

Rubber Roller Aging/Swelling

A

This problem is a typical manifestation of rubber roller aging/swelling in coating forming. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating liquid, and precisely controlling the curing process conditions. It is recomm...

Extrusion & Post rubber roller aging

Q

Coating Leaking to the Back Side When Coating a Mesh Substrate

A

This problem is a typical manifestation of coating leaking to the back side when coating a mesh substrate in coating forming. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating liquid, and precisely controlling the curin...

Extrusion & Post incomplete curingcuring temperaturecuring timecuring agent ratioUV lamp

Q

Coating Whitening When Exposed to Water/Poor Water Resistance

A

This problem is a typical manifestation of coating whitening when exposed to water/poor water resistance in coating forming. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating liquid, and precisely controlling the curing...

Extrusion & Post incomplete curingcuring temperaturecuring timecuring agent ratioUV lamp

Q

Uneven Distribution of Release Coating

A

This problem is a typical manifestation of uneven distribution of release coating in coating forming. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating liquid, and precisely controlling the curing process conditions. It...

Extrusion & Post incomplete curingcuring temperaturecuring timecuring agent ratioUV lamp

Q

Periodic Patterns Produced by Micro-Gravure Coating

A

This problem is a typical manifestation of periodic patterns produced by micro-gravure coating in coating forming. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating liquid, and precisely controlling the curing process c...

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

Q

Substrate Sagging After Coating and Before Curing

A

The essence of incomplete curing is that the crosslinking reaction has not reached the designed conversion rate. The core of the solution is the precise matching of the three elements "temperature + time + formulation": ensure the curing temperature and time are within the recommended window of t...

Extrusion & Post uneven coating thicknesscoating head gapliquid supply fluctuationsubstrate tensioncoating liquid viscosity

Q

Excessive Head-Tail Loss When Switching Product Varieties in Online Coating

A

This problem is a typical manifestation of excessive head-tail loss when switching product varieties in online coating in coating forming. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating liquid, and precisely controll...

Extrusion & Post liquid supply fluctuationpump type selectionpump wearpipeline ventingflow stability

Q

Poor Coating Solvent Resistance

A

This problem is a typical manifestation of poor coating solvent resistance in coating forming. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating liquid, and precisely controlling the curing process conditions. It is rec...

Extrusion & Post incomplete curingcuring temperaturecuring timecuring agent ratioUV lamp

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