문제 및 해결책

Q

Longitudinal Gradual Change in Coating Dry Film Thickness

A

This problem is a typical manifestation of longitudinal gradual change in coating dry film thickness 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 pro...

Material Drying liquid supply fluctuationpump type selectionpump wearpipeline ventingflow stability

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

Q

Poor Coating Abrasion Resistance

A

This problem is a typical manifestation of poor coating abrasion 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 re...

Extrusion & Post incomplete curingcuring temperaturecuring timecuring agent ratioUV lamp

Q

Coating Liquid Foaming and Persistence

A

This problem is a typical manifestation of coating liquid foaming and persistence 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 liquid supply fluctuationpump type selectionpump wearpipeline ventingflow stability

Q

Inaccurate Online Wet Film Thickness Measurement at the Coating Head

A

This problem is a typical manifestation of inaccurate online wet film thickness measurement at the coating head 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...

Extrusion & Post thickness gauge driftprobe agingzero calibrationair gap compensationconstant temperature conditions

Q

Uneven Hot Air Speed in the Curing Oven

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 incomplete curingcuring temperaturecuring timecuring agent ratioUV lamp

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