Study on high-speed bar tacking sewing machine.

Name of the experiment: Study on high-speed bar tacking sewing machine.

Introduction: 
Bar tack means to increase the strength of small length of a fabric by sewing on it and by repeating it. Bar tacking High-speed lock-stitch sewing machine is a simple automatic machine which produces stitches in a cycle order. This machine is used to make yoke joint, pocket corner tacking, button side tacking.

Machine Specification: 
Name: High-speed bar tacking sewing machine

Brand name: YAMATA
Model: FY 1850
Origin: China
Function: Loop join, Pocket corner join


                                    

Machine Parts name:
1) Thread stand: There is four thread stand which holds the bobbin.
2) Thread guide: Which indicates the way of the thread.
3) Eye thread guide: used to pass the thread properly.
4) Lubricant thread guide: To pass the thread without any friction with any parts of the machine.
5) Tension post: Used to maintain thread tension.
6) Needle thread take-up lever: To hold the needle thread and help to move easily.
7) Finger safety bar: To protect the hand from the needle.
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) Bobbin Winder tension post: To give tension and maintain bobbin thread tension.
12) Shadel: to produce lock.
13) Shadel cover: To support the shadel.
14) Foot Pedal: To control the speed.

Other Information:
Motor Rpm= 1450
Voltage=220 V
Power=450 Watt
HP= 3/4 HP


Working principle:
1) At first, we keep the bobbin 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.