Name of the experiment: Study on the feed of the arm chain stitch sewing machine.
Introduction:
Feed of the arm machine is actually a chain stitch machine and it works with sewing and stitch for chain designs. Feed of the arm machine contains looper instead of the bobbin. Multi-thread chain stitch can be produced by Feed of the arm machine on garments. Feed of the arm machine, the stitch can be produced on heavy fabric like denim or jeans. In feed of the arm machine, there is an option to stitch by folding the fabrics. Needle size varies in this machine because of the thickness of the garments or fabrics.
Machine specification:
Name: Feed of the arm chain stitch sewing machine.
Brand name: YAMATA
Model: FY 928
Origin: China
Function: To join side seam
Model: FY 928
Origin: China
Function: To join side seam
Machine Parts Name:
1) Thread stand: There is six thread stand which holds the thread package.
2) Three needle thread:
3) Three looper thread:
4) Needle thread pressure guide: To maintain needle thread tension properly.
5) Thread tension post: To maintain thread tension:
6) Needle thread take-up lever: To hold the needle thread and help to move easily.
7) Needle clamp: To hold the needle with needle bar.
8) Presser foot: To press the fabric and give uniform pressure.
9) Feed dogs: To move the fabric forward
10) Throat plate: To help the fabric move forward.
11) Hand wheel: To slowly raise the needle by hand.
12) Looper thread take-up lever: To hold the looper thread and easy to pass.
Other information:
Motor Rpm =2850
Voltage =220 V
Power =450 Watt
HP = 3/4 HP
Working procedure:
1) Firstly we kept the six thread package on the thread stand.
2) Then we passed the thread according to their passing path.
3) We also maintain the thread tension with the help of tension post.
4) Thread pass through into the needle and set up machine properly.
5) Then switch on the machine.
6) After that fabric stitch will do by the machine.
Precaution:
1) We should maintain proper speed pressing the foot pedal correctly.
2) We should keep distance our hand and finger from the needle during work with sewing machine operation.
1) Firstly we kept the six thread package on the thread stand.
2) Then we passed the thread according to their passing path.
3) We also maintain the thread tension with the help of tension post.
4) Thread pass through into the needle and set up machine properly.
5) Then switch on the machine.
6) After that fabric stitch will do by the machine.
Precaution:
1) We should maintain proper speed pressing the foot pedal correctly.
2) We should keep distance our hand and finger from the needle during work with sewing machine operation.
