Inspection items:

Initial modulus, oil content, moisture regain, dimensional change rate, elastic modulus, twist, twist shrinkage, boiling water shrinkage, solvent extraction, linear density, knot strength, weight, hook strength, length, standard weight, Tex count, specification size change rate, single yarn breaking strength and breaking elongation, all parameters, pressure test of electrical equipment, spring pressure cradle requirements, safety protection measures and warning signs for the whole machine, communication interface quality, whole machine noise emission sound pressure level, roller requirements, pressure value of each row of upper rollers * limit deviation, parallelism of the output upper roller axis to the lower roller axis, quality of the pipe mouth and inner surface of the pipe, pneumatic pressure cradle requirements, spindle belt tension disk requirements, concentrated spinning device, spindle disk combination rotation flexibility, electrostatic discharge immunity performance of electrical equipment, flat steel collar requirements, symmetry tolerance of the working width center plane of the feeding and output lower rollers to the working width center plane of the middle lower roller at the same spindle position, under pressure, the whole row of output lower rollers The radial runout of each working surface to the common axis of the adjacent lower roller bearings, the broken ends rate, the coefficient of variation of single yarn, the quality of thin and thick places, cotton knots, the requirements for hanging spindles, the retention rate, the symmetry tolerance of the center plane of the width of the inner ring of the lower roller bearing to the center plane of the width of the roller seat, the coaxiality tolerance of the spindle center to the steel collar center within the entire lifting range, the spindle bearing, the spindle disc wheel diameter D2* limit deviation, the yarn dropping time, the continuity of the protective connection circuit, the vacuum degree of the suction port, the temperature rise of each bearing, the power of a single spindle, Lower roller bearing, single spindle noise emission sound pressure level, tube pulling success rate, tube insertion success rate, spindle empty spindle vibration range value, bobbin quality, product coating quality, power consumption, spindle hook effect, aluminum sleeve spindle support height difference, electrical equipment electrical fast transient pulse group immunity performance, insulation resistance, cotton ring spinning spindle requirements, aluminum sleeve spindle yarn tube bottom positioning surface from the spindle seat installation surface, spindle spindle disk cone diameter D1 maximum deviation, the whole machine noise emission sound pressure level when equipped with a concentrated spinning device, Maximum deviation of height from the top to the spindle mounting surface, working quality of the doffing device, requirements for the lower rollers of the cotton spinning machine, operating quality of all transmission mechanisms of the whole machine, leaf spring pressure cradle, cleanliness, yarn quality when equipped with a concentrated spinning device, quality of human-machine interface operation performance, verticality, requirements for SL series upper roller bearings, wire markings of electrical equipment, connection and wiring of electrical equipment, surface quality of parts involving appearance quality, technical requirements for cradles, contact spots of the involute cylindrical gear pair of the drafting transmission, coating quality, technical requirements for upper roller bearings, working performance of automatic mechanisms, input power of the main motor for idling operation, the inner ring end face of the lower roller bearing does not exceed the outer ring end face, parallelism of the output upper roller of the drafting system to the axis of the lower roller, insulation performance of electrical equipment and lines, suction vacuum, radial circular runout of the working surfaces of the entire row of output lower rollers to the common axis of the adjacent lower roller bearings under pressure in the drafting system, noise, quality of electrical wiring, when the front door is opened, the whole machine should be stopped immediately, cover Sealing quality, technical requirements for lower roller bearings, maximum deviation of pressurization of upper rollers in each row of the drafting system, safe and reliable protective cover of the running part, technical requirements for lower rollers, symmetry of the working width center plane of the feeding and output lower rollers to the working width center plane of the middle lower roller in the same spindle position of the drafting system, running quality of the machine transmission system, technical requirements for hanging spindles, technical requirements for spindles, yarn quality, inner surface quality of the suction tube, technical requirements for steel collars, coaxiality of the spindle center to the steel collar center at half the height of the entire lifting process, all items, maximum deviation of the height of the top of the bare spindle rod or aluminum sleeve from the spindle seat installation surface, rotation flexibility of the rod-disc combination, some parameters, diameter of the aluminum sleeve spindle rod disc and the tube, spindle verticality, spindle cleanliness, spindle disc wheel diameter, role of spindle hook, power consumption, coating, transmission system, broken end suction device, long machine collective yarn dropping, technical conditions, human-machine interface and drive system performance, continuity of protective grounding circuit

Testing standards:

1. JISL 1095-20109.1 Length

2. JISL 1095-20109.2 Moisture regain

3. JISL 1095-20109.3 Standard weight

4. FZ/T 93027-2014 Cotton ring spinning machine

5. JISL 1095-20109.8 Hook strength

6. JISL 1095-20109.30 Solvent extraction

7. FZ/T92023-2008 Cotton ring spinning spindle 5.3

8. JISL 1095-20109.4 Tex count

9. JISL 1095-20109.5 Single yarn breaking strength and elongation at break

10. JISL 1095-20109.12 Elastic modulus

11. JISL 1095-20109.13 Initial modulus

12. JISL 1095-20109.7 Knot strength

13. JISL 1095-20109.28 Oil content

14. JIS L 1095-2010 Spinning test method JIS L 1095-2010

15. JISL1095-2010 9.30 Spinning test method

16. FZ/T 93016-1993 All parameters

17. FZ/T93027-2014 Cotton ring spinning machine

18. JISL1095-2010 9.15 Test methods for fine yarn

19. JISL1095-2010 9.16 Test methods for fine yarn

20. JISL1095-2010 9.13 Test methods for fine yarn

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms
 
3. Used as a sales report: issuing legally effective testing reports to make consumers more confident
 
4. Papers and research: Provide professional personalized testing needs
 
5. Judicial services: providing scientific, fair, and accurate testing data
 
6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems
 

100% inspection and testing process:

1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations
 
3. Mail samples and arrange testing
 
4. Progress tracking and result feedback
 
5. Provide reports and after-sales service
 
6. If urgent or priority processing is required
 

Testing and testing characteristics:

1.The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby
 
3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service
 
7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc
 
8. The testing report is authoritative and effective, and is generally used in China