1 Execute the thickness and outer diameter as per GB/T2951.11
2 To carry out the spark test as per requirements in Form 1.
3 While checking the out-of-roundness, measure the max diameter and min diameter by caliper on the same cross-section and take the max different figure among two sets of figures.
4 Test the sheath surface, section quality, and marking by eyesight in natural light.
Take a ruler with an accuracy of 1mm to measure the distance between markings.
1 Carry out the first test should be carried out on all items in case of first starting the machine or exchange of specifications.
2 Test process rules are in line with requirements in Form 2, test frequency is the requested lowest standard, and increasing the test frequency in the allowed situation is acceptable.
Form 2 Test Rules
No. | Test Item | Test rules | |
| Self-test | Designed to check | ||
| 1 | Thickness | After changing speed, at least twice per drum | Once per hour routing test, at least twice per drum |
| 2 | Spark Test | Once per hour routing test |
Once per hour routing test |
| 3 | Outer diameter | Once per hour | Once per hour routing test, at least twice per drum |
| 4 | Out-of-roundness | Once per two hours | Once per hour routing test |
| 5 | Surface | Casual test | 100% test on semi-finished products, once per hour routing test |
Copyright ? 2010 - 2025 zmscable.com All Rights Reserved.
