T/GDPIA 29-2020 Active Group standards

T/GDPIA 29-2020 Plastic sheet extrusion equipment ceramic corona roller technical requirements

Publish Date: 2020-12-11 Implement Date: 2020-12-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/GDPIA 29-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Machinery for rubber and plastic processing

ICS Name: Rubber and plastic industrial equipment

Publish Date: 2020-12-11

Implement Date: 2020-12-30

Scope

Scope: This document specifies the terms and definitions, models and classifications, technical requirements, inspection and testing methods, inspection rules, marking, packaging, transportation, and storage of ceramic corona rollers for plastic cast film forming equipment. This document is applicable to ceramic corona rollers used in plastic cast film forming equipment. Main technical content: 1. Scope: This document specifies the terms and definitions, models and classifications, technical requirements, inspection and testing methods, inspection rules, marking, packaging, transportation, and storage of ceramic corona rollers for plastic cast film forming equipment. This document is applicable to ceramic corona rollers used in plastic cast film forming equipment. 2. Normative references 3. Terms and definitions 4. Product structure, models, and classifications 4.1 Model naming 4.2 Classification 4.2.1 Blade structure 4.2.2 Blade rotation direction 4.2.3 Number of blades 5. Requirements 6. Test methods 6.1 Appearance quality inspection 6.2 Pressure resistance and fluidity test of the waterway in the roller 6.3 Main dimensional inspection 6.4 Radial runout of the roller surface 6.5 Balance inspection of the roller 6.6 Temperature difference on the roller surface 6.7 Surface roughness of the roller 6.8 Coating thickness on the roller surface 6.9 Micro-pores on the roller surface 6.10 Welding quality inspection 6.11 Tensile strength testing of the main components of the roller 6.12 Metallographic microscopy inspection 6.13 Coating thickness of the metallographic sample 6.14 Interface separation 6.15 Interface contamination 6.16 Cracks 6.17 Porosity 6.18 Unmelted particles 6.19 Microhardness of the coating 6.20 Bonding strength 7. Inspection rules 7.1 Inspection categories 7.2 Factory inspection 7.3 Type inspection 7.4 Judging rules 8. Marking, packaging, transportation, and storage 8.1 Marking 8.2 Packaging 8.3 Transportation 8.4 Storage