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Substrate Follows the Sticky Roll and Is Back-wound Into the Machine During Roll Coater Operation

The essence of roll sticking is that the adhesion between the melt and the roll surface exceeds the separation force required for normal peeling. The solution approach is "cooling + angle adjustment + additives": lower the temperature of the roll to reduce adhesion, adjust the peeling angle to in...

Extrusion & Post roll sticking and wrappingexcessive roll temperaturepeeling anglelubricantroll surface coating

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Micro-bubble Cloudiness Caused by Air Trapped Between Layers During Substrate Laminating Coating

This problem is a typical manifestation of micro-bubble cloudiness caused by air trapped between layers during substrate laminating coating in coating. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating fluid, and precis...

Material Drying micro-bubble cloudiness caused by air trapped between layers during substrate laminating coating

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Dry Spots and Premature Consolidation of Water-based Coating Fluid Behind the Doctor Blade

This problem is a typical manifestation of dry spots and premature consolidation of water-based coating fluid behind the doctor blade in coating. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating fluid, and precisely co...

Material Drying dry spots and premature consolidation of water-based coating fluid behind the doctor bladetemperature

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Substrate Electrostatic Attraction in Front of the Coating Head Causing Gap Closure

This problem is a typical manifestation of substrate electrostatic attraction in front of the coating head causing gap closure in coating. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating fluid, and precisely controlli...

Extrusion & Post spinning static electricityambient humiditystatic eliminationantistatic agentyarn guide material

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Large-area Peeling of Fluoropolymer Coating Cracking After Coating

The essence of coating cracking is that the internal stress exceeds the fracture toughness of the coating. The core of the solution is "stress reduction + toughening": control the coating thickness to avoid excessive stress accumulation, adopt mild curing conditions to allow stress relaxation, ad...

Extrusion & Post coating crackingshrinkage rate differencecoating thicknesscuring conditionstoughening agent

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Silicone Coating (silicone release) Cure Inhibition on PET Substrate

This problem is a typical manifestation of silicone coating (silicone release) Cure Inhibition on PET substrate in coating. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating fluid, and precisely controlling the curing p...

Material Drying silicone coating (silicone release) Cure Inhibition on PET substrate

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Coating Wrinkling During Ultra-high-frequency Electromagnetic Radiation Curing

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 of "temperature + time + formulation": ensure that the curing temperature and time are within the recommended win...

Extrusion & Post incomplete curingcuring temperaturecuring timecuring agent ratioUV lamp

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Edge Thickening Effect in Curtain Coating

This problem is a typical manifestation of edge thickening effect in curtain coating in coating. The core of the solution lies in ensuring the substrate surface condition, optimizing the rheological properties of the coating fluid, and precisely controlling the curing process conditions. It is re...

Extrusion & Post edge thickening effect in curtain coating

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Air Streak Bubbles (air streaks) in Slot Die Coating

The three major causes of extrusion bubbles (raw material moisture, thermal decomposition gas generation, screw air entrainment) need to be treated differently: moisture type—fully dry to the specified moisture content; decomposition type—lower the processing temperature to avoid degradation; air...

Material Drying extrusion bubblesraw '2079851475616104451melt degradationvent vacuum degreescrew compression ratio

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Continuous Correction Oscillation of the Thickness Measurement System of a Fully Automatic Calendering Line Due to Electromagnetic Interference

This problem is a typical manifestation of continuous correction oscillation of the thickness measurement system of a fully automatic calendering line due to electromagnetic interference in calendering. The core of the solution lies in the precise adjustment of nip compensation, uniform control o...

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

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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

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