Journal of Textile Research ›› 2020, Vol. 41 ›› Issue (01): 39-44.doi: 10.13475/j.fzxb.20190203006

• Textile Engineering • Previous Articles     Next Articles

Effect of speed ratio between cylinder and taker-in on carding quality

SHAO Yinghai1,2, ZHANG Mingguang1,2, CAO Jipeng1,2(), GUO Xin1, HAN Xianguo2,3   

  1. 1. School of Clothing and Textile, Eastern Liaoning University, Dandong, Liaoning 118003, China
    2. Key Laboratory of Functional Textile Materials, Liaoning Province, Eastern Liaoning University, Dandong, Liaoning 118003, China
    3. School of Mechanical and Electrical Engineering, Eastern Liaoning University, Dandong, Liaoning 118003, China
  • Received:2019-02-19 Revised:2019-08-08 Online:2020-01-15 Published:2020-01-14
  • Contact: CAO Jipeng E-mail:cjp0521@163.com

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Abstract:

To improve cotton carding quality, the effect of speed ratio between cylinder and taker-in on card sliver, breaker sliver and intermediate sliver were investigated under different speeds of cylinder and taker-in. The parameter correlation between card sliver and breaker sliver, intermediate sliver was analyzed using SPSS. The results showed that when the taker-in speed ranges from 500 r/min to 800 r/min, the length-related parameters changed a little, even under the same taker-in speed with different speed ratios. However, the numbers of nep and impurities had an obvious decreasing tendency with the increase of taker-in speed and cylinder/taker-in speed ratio. In the case when the taker-in speed is in the range of 850 to 900 r/min, the length-related parameters decreased and the numbers of nep and impurities increased remarkably with the increase of taker-in speed and cylinder/taker-in speed ratio.

Key words: cylinder speed, speed ratio between cylinder and taker-in, cotton sliver quality, carding machine

CLC Number: 

  • TS104.2

Tab.1

Test results of raw cotton and mat with AFIS in experiment"

类别 根数加权平均
长度/mm		 短绒率(<12.7 mm)/% 5%纤维根数加权
平均长度/mm		 棉结含量/
(粒·g-1)		 棉结平均
尺寸/μm		 杂质含量/
(粒·g-1)		 杂质平均
尺寸/μm		 可见异
物率/%
根数 质量
原棉 21.0 22.9 7.2 35.3 212 701 122 353 0.50
筵棉 20.2 25.1 7.8 34.5 308 700 246 324 0.82

Tab.2

Experiment plans"

方案
编号		 刺辊速度/
(r·min-1)		 锡林刺
辊速比		 方案
编号		 刺辊速度/
(r·min-1)		 锡林刺
辊速比
1 500 1.5 15 700 2.5
2 500 2.0 16 750 1.5
3 500 2.5 17 750 2.0
4 550 1.5 18 750 2.5
5 550 2.0 19 800 1.5
6 550 2.5 20 800 2.0
7 600 1.5 21 800 2.5
8 600 2.0 22 850 1.5
9 600 2.5 23 850 2.0
10 650 1.5 24 850 2.5
11 650 2.0 25 900 1.5
12 650 2.5 26 900 2.0
13 700 1.5 27 900 2.5
14 700 2.0

Tab.3

Test results of card sliver, breaker sliver and intermediate sliver in length under different experiment plans"

方案
编号		 质量加权
平均长度/mm		 质量短绒率/% 上四分位纤维质量加权
平均长度/mm		 根数加权
平均长度/mm		 根数短绒率/% 5%纤维根数加权
平均长度/mm
生条 一并 二并 生条 一并 二并 生条 一并 二并 生条 一并 二并 生条 一并 二并 生条 一并 二并
1 25.5 25.9 25.9 7.9 8.2 8.3 31.1 31.8 31.9 20.5 20.6 20.6 24.4 25.0 25.1 35.1 36.0 36.2
2 25.6 25.8 25.7 7.7 8.4 8.7 31.2 31.7 31.8 20.6 20.5 20.4 23.9 25.4 25.8 35.2 35.8 36.0
3 25.5 25.8 25.8 7.8 8.4 8.5 31.1 31.7 31.8 20.6 20.5 20.5 23.9 25.5 25.3 35.1 35.9 36.1
4 25.6 25.7 25.8 7.7 8.5 8.4 31.1 31.6 31.7 20.6 20.4 20.5 23.8 25.6 25.2 35.1 35.9 36.0
5 25.5 25.6 25.8 7.7 8.5 8.3 31.0 31.5 31.7 20.6 20.4 20.6 23.7 25.4 24.9 35.0 35.7 36.0
6 25.5 25.5 25.4 7.8 8.8 9.6 31.0 31.5 31.3 20.6 20.2 20.2 23.9 26.2 26.4 35.0 35.7 35.5
7 25.5 25.5 25.7 7.8 8.7 8.3 31.0 31.5 31.7 20.6 20.2 20.5 23.8 26.0 24.9 35.0 35.7 35.9
8 25.6 25.6 25.8 7.8 8.7 8.4 31.1 31.6 31.8 20.6 20.3 20.6 23.9 25.8 24.8 35.2 35.8 36.1
9 25.6 25.7 25.6 7.8 8.9 8.8 31.1 31.7 31.7 20.6 20.3 20.3 23.8 26.3 26.0 35.2 36.0 36.0
10 25.7 25.8 25.9 7.7 8.6 8.5 31.3 31.8 31.9 20.7 20.4 20.5 23.9 25.8 25.3 35.3 36.0 36.2
11 25.6 25.8 25.9 7.7 8.7 8.8 31.3 31.9 32.1 20.7 20.4 20.4 23.9 26.2 26.2 35.3 36.0 36.3
12 25.6 25.8 25.9 7.9 8.6 8.5 31.2 31.8 32.0 20.6 20.4 20.5 24.1 25.8 25.5 35.3 36.0 36.3
13 25.7 25.8 26.1 7.5 8.7 8.4 31.3 31.9 32.2 20.8 20.3 20.7 23.5 26.4 25.3 35.3 36.1 36.4
14 25.8 25.8 26.1 7.4 9.0 8.4 31.3 31.9 32.1 20.9 20.2 20.6 23.2 27.2 25.5 35.4 36.0 36.4
15 25.6 25.6 25.9 7.6 9.7 8.5 31.1 31.8 31.9 20.6 19.7 20.5 23.6 29.1 25.5 35.1 36.0 36.2
16 25.6 25.4 26.2 7.5 10.5 8.0 31.1 31.8 32.1 20.7 19.3 20.9 23.4 31.4 24.3 35.1 35.8 36.4
17 26.0 25.5 26.2 7.2 10.9 8.1 31.6 32.0 32.3 21.1 19.2 20.9 22.7 32.3 24.7 35.7 36.1 36.6
18 25.8 25.7 26.2 7.5 9.0 8.2 31.4 31.8 32.3 20.8 20.2 20.9 23.3 26.7 24.8 35.4 36.1 36.5
19 25.7 25.8 26.3 7.5 8.6 8.0 31.2 31.7 32.2 20.8 20.4 20.9 23.3 25.8 24.6 35.3 35.9 36.5
20 25.7 25.8 26.0 7.5 8.5 8.4 31.2 31.8 32.0 20.8 20.4 20.6 23.4 25.7 25.3 35.3 36.0 36.3
21 25.4 25.4 25.7 8.0 9.0 8.9 31.0 31.5 31.8 20.4 20.2 20.2 24.7 26.9 26.5 35.0 35.6 36.0
22 25.2 25.4 25.5 8.3 8.9 9.2 30.8 31.2 31.5 20.2 19.9 20.0 26.0 27.1 27.5 34.7 35.3 35.7
23 25.1 25.1 25.4 8.6 9.3 9.4 30.6 31.0 31.5 19.9 19.6 19.8 26.4 27.8 28.0 34.6 35.2 35.6
24 24.7 24.8 25.1 9.2 10.0 10.1 30.4 30.9 31.3 19.4 19.3 19.4 27.8 29.1 29.3 34.3 35.0 35.4
25 25.1 25.2 25.4 8.5 9.6 9.4 30.7 31.1 31.4 19.9 19.6 19.8 26.6 28.5 28.1 34.6 35.2 35.6
26 24.8 25.2 25.2 9.3 9.5 9.7 30.5 31.1 31.3 19.5 19.6 19.6 27.9 28.1 28.6 34.4 35.2 35.6
27 24.6 24.7 25.0 9.8 10.4 9.9 30.4 30.8 31.2 19.1 19.1 19.5 28.9 29.8 28.5 34.3 34.9 35.3

Tab.4

Nep test results of card sliver, breaker sliver and intermediate sliver under different experiment plans"

方案
编号		 棉结总粒数/(粒·g-1) 所有棉结的平均尺寸/μm 带籽屑棉结数/(粒·g-1) 带籽屑棉结平均尺寸/μm
生条 一并条 二并条 生条 一并条 二并条 生条 一并条 二并条 生条 一并条 二并条
1 98.0 96.0 107.0 681.0 687.0 678.0 18.0 14.0 13.0 1 046.0 1 014.0 989.0
2 87.0 83.0 91.0 660.0 667.0 682.0 13.0 12.0 13.0 984.0 974.0 1 027.0
3 82.0 76.0 79.0 654.0 667.0 666.0 12.0 11.0 10.0 933.0 951.0 967.0
4 96.0 88.0 98.0 664.0 686.0 680.0 16.0 15.0 14.0 961.0 978.0 1 004.0
5 82.0 79.0 87.0 666.0 667.0 679.0 13.0 13.0 11.0 974.0 921.0 1 003.0
6 81.0 74.0 74.0 645.0 668.0 670.0 11.0 11.0 11.0 919.0 930.0 967.0
7 91.0 91.0 95.0 659.0 686.0 682.0 14.0 14.0 14.0 943.0 1 037.0 984.0
8 83.0 79.0 92.0 650.0 670.0 662.0 12.0 12.0 11.0 932.0 929.0 933.0
9 79.0 72.0 81.0 651.0 668.0 665.0 11.0 10.0 9.0 930.0 923.0 984.0
10 89.0 83.0 92.0 666.0 667.0 670.0 15.0 12.0 9.0 964.0 958.0 963.0
11 77.0 73.0 76.0 649.0 670.0 665.0 11.0 9.0 10.0 949.0 976.0 937.0
12 71.0 66.0 69.0 631.0 655.0 659.0 8.0 8.0 8.0 885.0 866.0 918.0
13 83.0 83.0 90.0 664.0 680.0 674.0 14.0 12.0 12.0 975.0 1 011.0 965.0
14 76.0 72.0 77.0 654.0 671.0 680.0 11.0 11.0 11.0 943.0 960.0 951.0
15 70.0 61.0 65.0 627.0 657.0 661.0 8.0 8.0 7.0 886.0 901.0 885.0
16 79.0 73.0 73.0 648.0 675.0 675.0 11.0 11.0 11.0 948.0 980.0 972.0
17 70.0 70.0 65.0 646.0 652.0 672.0 9.0 7.0 7.0 953.0 927.0 986.0
18 62.0 60.0 63.0 632.0 652.0 653.0 6.0 7.0 7.0 880.0 911.0 861.0
19 78.0 71.0 74.0 647.0 668.0 674.0 10.0 10.0 11.0 935.0 981.0 924.0
20 72.0 65.0 65.0 638.0 646.0 674.0 10.0 9.0 9.0 860.0 929.0 927.0
21 59.0 60.0 61.0 615.0 618.0 653.0 6.0 6.0 7.0 825.0 870.0 846.0
22 97.0 80.0 80.0 639.0 661.0 671.0 14.0 14.0 15.0 879.0 901.0 916.0
23 88.0 75.0 75.0 635.0 658.0 647.0 13.0 13.0 10.0 835.0 869.0 836.0
24 75.0 65.0 70.0 619.0 644.0 641.0 8.0 7.0 8.0 822.0 870.0 830.0
25 107.0 94.0 93.0 649.0 670.0 674.0 18.0 16.0 16.0 890.0 897.0 908.0
26 87.0 77.0 75.0 629.0 641.0 652.0 13.0 11.0 12.0 811.0 877.0 835.0
27 76.0 62.0 64.0 616.0 631.0 643.0 8.0 6.0 7.0 831.0 875.0 822.0

Tab.5

Impurity test results of card sliver, breaker sliver and intermediate sliver under different experiment plans"

方案
编号		 杂质总数/(粒·g-1) 所有杂质的平均尺寸/μm 灰尘数/(粒·g-1) 杂质数/(粒·g-1)
生条 一并条 二并条 生条 一并条 二并条 生条 一并条 二并条 生条 一并条 二并条
1 92.0 127.0 136.0 339.0 277.0 265.0 74.0 112.0 122.0 18.0 15.0 14.0
2 85.0 101.0 123.0 313.0 271.0 245.0 73.0 92.0 111.0 12.0 9.0 12.0
3 76.0 105.0 86.0 302.0 267.0 235.0 65.0 94.0 80.0 10.0 11.0 5.0
4 83.0 116.0 132.0 333.0 268.0 237.0 68.0 103.0 121.0 15.0 12.0 11.0
5 75.0 92.0 86.0 294.0 271.0 239.0 66.0 83.0 79.0 8.0 9.0 6.0
6 57.0 68.0 78.0 282.0 265.0 242.0 51.0 62.0 72.0 5.0 6.0 6.0
7 83.0 97.0 116.0 313.0 254.0 247.0 71.0 89.0 106.0 11.0 8.0 9.0
8 70.0 104.0 84.0 299.0 264.0 227.0 61.0 94.0 80.0 9.0 9.0 4.0
9 54.0 97.0 67.0 276.0 275.0 224.0 48.0 79.0 63.0 5.0 13.0 3.0
10 71.0 104.0 106.0 293.0 267.0 236.0 63.0 93.0 98.0 8.0 11.0 8.0
11 54.0 86.0 94.0 294.0 258.0 249.0 48.0 78.0 84.0 5.0 8.0 10.0
12 49.0 68.0 76.0 264.0 256.0 247.0 45.0 61.0 68.0 3.0 7.0 7.0
13 61.0 85.0 105.0 322.0 263.0 259.0 52.0 76.0 95.0 8.0 9.0 9.0
14 47.0 82.0 72.0 296.0 252.0 243.0 41.0 75.0 67.0 5.0 7.0 4.0
15 47.0 49.0 71.0 266.0 239.0 244.0 42.0 46.0 65.0 4.0 3.0 6.0
16 60.0 78.0 78.0 297.0 259.0 263.0 52.0 70.0 71.0 8.0 7.0 7.0
17 46.0 67.0 73.0 291.0 255.0 246.0 40.0 59.0 67.0 5.0 7.0 6.0
18 43.0 36.0 47.0 263.0 223.0 228.0 39.0 34.0 45.0 4.0 1.0 2.0
19 52.0 59.0 93.0 306.0 252.0 270.0 45.0 55.0 82.0 6.0 4.0 10.0
20 40.0 56.0 73.0 284.0 235.0 239.0 35.0 52.0 66.0 4.0 4.0 6.0
21 41.0 49.0 66.0 259.0 230.0 228.0 38.0 46.0 59.0 3.0 2.0 6.0
22 119.0 140.0 142.0 269.0 241.0 232.0 109.0 129.0 130.0 10.0 10.0 11.0
23 90.0 108.0 150.0 268.0 232.0 242.0 82.0 100.0 135.0 7.0 7.0 14.0
24 57.0 73.0 83.0 257.0 239.0 218.0 52.0 68.0 77.0 5.0 5.0 6.0
25 126.0 150.0 150.0 268.0 236.0 244.0 113.0 137.0 137.0 12.0 13.0 13.0
26 80.0 96.0 101.0 261.0 227.0 229.0 73.0 89.0 93.0 7.0 7.0 7.0
27 66.0 64.0 93.0 248.0 237.0 235.0 61.0 60.0 83.0 5.0 4.0 9.0

Tab.6

Correlation and significance analysis results between card sliver and breaker sliver,between card sliver and intermediate sliver in length parameters"

类别 相关系数
质量加权
平均长度		 质量短绒率 上四分位纤维质量
加权平均长度		 根数加权
平均长度		 根数短绒率 5%纤维根数加
权平均长度
一并条 0.858 (0) 0.355 (0.069) 0.961 (0) 0.580 (0.002) 0.295 (0.135) 0.954 (0)
二并条 0.905 (0) 0.871 (0) 0.893 (0) 0.933 (0) 0.930 (0) 0.910 (0)

Tab.7

Correlation and significance analysis results between card sliver and breaker sliver,between card sliver and intermediate sliver in nep and impurity parameters"

类别 相关系数
棉结
总粒数		 所有棉结的
平均尺寸		 带籽屑棉
结数		 带籽屑棉结
平均尺寸		 杂质总数 所有杂质的
平均尺寸		 灰尘数 杂质数
一并条 0.909 (0) 0.869 (0) 0.935 (0) 0.826 (0) 0.907 (0) 0.737 (0) 0.907 (0) 0.760 (0)
二并条 0.820 (0) 0.815 (0) 0.849 (0) 0.895 (0) 0.889 (0) 0.571 (0.002) 0.881 (0) 0.623 (0.001)
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