Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Different types of sewing machines

47,110 views

Published on

Published in: Technology
  • Want to preview some of our plans? You can get 50 Woodworking Plans and a 440-Page "The Art of Woodworking" Book... Absolutely FREE ◆◆◆ http://ishbv.com/tedsplans/pdf
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
  • There are over 16,000 woodworking plans that comes with step-by-step instructions and detailed photos, Click here to take a look ➤➤ http://tinyurl.com/y3hc8gpw
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
  • Get access to 16,000 woodworking plans, Download 50 FREE Plans... ◆◆◆ http://tinyurl.com/yy9yh8fu
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
  • Very poor choice of background color. If you're still alive, kindly rectify it.
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
  • th@nks brother for your work but it reach me pain to read. My earliest request to you if you select appropriate background slide for us it will be more convenient for us to read.
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here

Different types of sewing machines

  1. 1. Ashikur Rahman Ranok Bgmea University of fashion & Technology(BUFT)
  2. 2. What is Sewing Machine? • A sewing machine is a machine used to stitch fabric and other materials together with thread. • A sewing machine is a machine which does all the stitches automatically, so it's easier and quicker than hand stitching. • A sewing machine is a textile machine used to stitch fabric, cards and other material together with thread.
  3. 3. 1. Basic sewing machines in garments industry are used for numerous applications. 2. Generally available in three versions : i. Sewing with light materials. ii. Sewing with medium materials. iii.Sewing with heavy materials. 3. Speed up to 6000 s.p.m with electronic controls for acceleration. 4. Electronically controlled thread cutting, needle positioning, back tacking mechanism through the foot pedal, foot lifting system available in this machines. 5. Programmable sewing sequence via a micro processes for repetitive operation. 6. A great variety of feed systems, attachments and apparatus available to make the machine more versatile. Features of Basic Sewing Machines
  4. 4. According to the operating system, there are two types of sewing machines: 1. Manually operated sewing machines :  Driven by physical energy.  Used for domestic and tailoring purposes.  Less production, but more laborious.  Low cost. 1. Electrically operated or Industrial sewing machines :  Usually driven by electric power.  High productivity.  Used in garments industry.  Cost is high. Types of Sewing Machines
  5. 5. Electrically operated/Industrial Sewing Machines  At present there are used two types of electrically operated sewing machines in garments industry : o Semi-automatic electrical sewing machines. o Computerized sewing machines.  Most common manufacturer of electrical/industrial sewing machines (semi-automatic) are given below: Brand Name Made in JUKI Japan BROTHER Japan SINGER England BUTTERFLY China SiRUBA Taiwan  There are various types of electrically operated or Industrial sewing machines. Among them, features of some most usable machines are described below :
  6. 6. o No. of needle : generally 1 needle or 2 needles. o SPM : 1500 – 5500. o Stitch Length : 5 mm in Juki DDL 5500 Model. o Automatic thread cutting and bobbin winding. o Edge cutting system. o More secured sewing. o Most commonly used for sewing of woven garments. 1. Lock Stitch or Plain Stitch Sewing Machine
  7. 7. Fig 1 : Lock Stitch Machine
  8. 8. o Two types : Single Chain Stitch and Double Chain Stitch. o No. of needle: One or more o No. of thread : One or more o SPM : 1800 – 6000 o Stitch Length : 1.4 mm to 4.5 mm o Automatic thread trimmer. o Various types of feed mechanism is adjusted to the machine. o Used for both woven and knitted fabrics, specially to sew jeans or denim wears. 2. Chain Stitch Sewing Machine
  9. 9. Fig 2 : Chain Stitch Machine
  10. 10. • No. of needle: 1 or 2. • No. of threads : 2 - 5. • SPM : 6500 – 8500. • Stitch Length : 4mm (maximum) and it can be adjusted by push button. • Stretching : Maximum 1: 0.6 and Gathering : Maximum 1:4 • Used for sewing both woven and knitted goods, but extensively used for knitted goods. 3. Over Lock/Over Edge Sewing Machine
  11. 11. Fig 3 : Over Lock/Over Edge Sewing Machine
  12. 12.  Special modification of lock stitch machine.  No. of needle: 1  No. of threads : 2  SPM : 5500  Stitch Length: 2 to 2.5 mm  Stitch Width: 5 to 10 mm  Used in edge stitching or decorative top stitching or to fit extra component to garments, such as elastic, tape, pipe etc. 4. Zigzag Lock Stitch Sewing Machine
  13. 13. Fig-4 : Zigzag Lock Stitch Sewing Machine
  14. 14.  No. of needle: up to 4  No. of threads : 4 to 9  SPM : 6000  Stitch Density: 8 to 16 per inch  Thread consumption of this machine is very high. So very expensive machine.  Used for knitted garments. But it can be also used for woven garments. 5. Flat Lock Sewing Machine
  15. 15. Fig-5 : Flat Lock Sewing Machine
  16. 16.  No. of needle: 1  No. of threads : 1 or 2  SPM : 2500  Stitch Length : 3 to 8 mm  Stitches are not seen on the face side of the fabric.  Curved needle is used.  Security is high for 2 thread blind stitch machine.  Very expensive.  Widely used for hemming and facing attaching. 6. Blind Stitch Sewing Machine
  17. 17. Fig-6 : Blind Stitch Sewing Machine
  18. 18.  Stitch Group : Lock or Chain may be used.  For heavy fabric, hole is cut before sewing.  For lighter fabric, hole is cut after sewing.  Arrangement of stitch density being increased or reduced.  To raise the stitch is called ‘Gimp’. 7. Button Holing Machine
  19. 19. Fig-7 : Button Holing Machine
  20. 20.  Produces lock stitch, chain stitch or hand stitch.  Button positioning can be automatic.  Sewing is according to the hole in button and may be cross or parallel.  In fully automatic machines, button feeding and positioning inside the button clamp is performed by a hopper and pipe. 8. Button Attaching Machine
  21. 21. Fig-8 : Button Attaching Machine
  22. 22.  Cyclic machine of strong sewing in very short length.  After making tack stitch in short length (1-2cm), cover stitch (zigzag) is made on tack stitch and the no. of cover stitch.  Used for sewing of belt loops, closing the ends of button holes, for increasing strength at the ends of the pocket. 9. Bar Tack Machine
  23. 23. Fig-9 : Bar Tack Machine
  24. 24.  Used for very fast and accurate sewing.  Very expensive and require very efficient operator, so rarely used in our country.  Some examples of mostly used computerized sewing machines are given below : • Computer Controlled Cycle Machine with large Sewing Area. • Cylinder Bed Machine with Automatic threads Trimming. • 1-Needle, lock stitch unison feed machine with double capacity. • 1-Needle, lock stitch portable Sewing machine with Automatic thread Trimmer. • 2-Needle, 2/3/4 thread over lock sewing machine with built-in rolled hemming and differential feed. • Automatic Jeans pocket setter with new automatic bobbin winder/changer. • 3-Needle, plain feed double loop seam machine with Tractor type presser foot. • High speed, lockstitch, buttonhole machine. Computerized Sewing Machine
  25. 25. Fig-10 : Computerized Sewing Machine
  26. 26. The following maintenance points are to be considered carefully: 1. Machine should be cleaned every day. 2. Essential parts of the machine should be lubricated or oiled regularly. 3. Needle should be adjusted carefully. 4. Needle thread, bobbin thread or looper thread should be threaded correctly and their tension should be adjusted. 5. The pressure of pressure of pressure foot should be adjusted. 6. Stitch density should be adjusted. 7. Switching (on/off) should be proper. 8. Machine should be handled according to instruction. 9. The hand wheel should always be rotated towards the operator. 10. Bobbin thread should be wound in uniform tension. 11. During fabric feed and with drawl, the needle should be picked at the top most position and the pressure foot is lifted. 12. One-fifth portion of bobbin should always remain empty after winding thread. Maintenance of Sewing Machine
  27. 27. Thanks to All

×