Questions and answer about Garments technology Part 6

51. What is Dummy ?

Ans: This is a duplicate model and similar to human body used for garments fitting.

52. What is the abbreviation of SMV, TST, SAM, CST, CPM, CMT, N.S.A ?

Ans: SMV = Standers Minutes  Value.
     TST = Total standard time.
SAM = Sum of all minutes
CST = Computing standard time.
CPM = Cost price per minutes.
CMT = Cost of making with trimmings / Cost of making time.
N.S.A = No sewing allowance.

53. Mention the different type of Sewing Machine ?

Ans: 1. Single Needle Lock stitch Sewing M/C / Plain m/c
        2. Double Needle Chain Stitch Sewing m/c
3. Button attached stitching m/c
4. Button hole stitching m/c
5. Over lock sewing m/c ( 3 thread )
6. Over lock sewing m/c ( 4 thread )
7. Interlock sewing m/c ( 5 thread over lock )
8. Bar-tack stitching m/c
9. Collar Point cutting m/c
10. Collar point turning m/c
         11. Coller forming m/c
         13. Feed of the arm Stitching m/c
         14. Blind stitching m/c
         16. Zig-zag stitching m/c
         17. Flat ock sewing m/c
         18. etc

54. How many threads are used in plain m/c ?

Ans: Two thread use. One is called needle thread and another is called Bobbin thread.

55. What is SPI ?

Ans: SPI means stitch per inch, That means how many stitch are used in one inches.

56. What is the sewing speed of plain m/c ?

Ans: It is 4500 to 5700 SPM ( stitch per minute )

57. What is the feed amount of plain m/c ?

Ans: It is 0 to 4 mm ( 5 to 32 stitch in one inch )

58. What type of lubricating oil is used for plain m/c ?

Ans: Spindle oil.

59. What type of thread is used for sewing at plain m/c ?

Ans: Z thread , Twisted at left.

60. what is Gauge at sewing ?

Ans: It is sewing line guider, Which control the sewing line.