High-speed bar tacking sewing machine

Bar tack means increasing the strength of a small length of fabric by sewing on it and by repeating it. Bar tacking High-speed lock-stitch sewing machine is a simple automatic machine that produces stitches in a cycle order. A high-speed bar tacking machine is used to make a joint of the yoke, button side tacking, pocketing corner, etc.

Machine Specification: 

                        Name: High-speed bar tacking sewing machine

              Brand name: YAMAHA

                       Model: FY 1850

                       Origin: China

                   Function: Loop join, Pocket corner join

Machine Parts Name:

1) Thread stand: There is a four-thread stand that holds the bobbin.

2) Thread guide: This indicates the way of the thread.

3) Eye thread guide: The eye thread guide is used to pass the thread easily and properly.

4) Lubricant thread guide: This guide is used to avoid the friction of thread with different machine parts during the pass different path.

5) Tension post: Used to maintain thread tension.

6) Needle thread take-up lever: The needle thread take-up lever is used to hold the needle thread to move easily

7) Finger safety bar: During work, hours to avoid any hazardous situation  Finger safety bar is used.

8) Presser foot: Uniform pressure is confirmed by the Presser's foot

9) Feed dogs: To move the fabric forward

10) Throat plate: Fabric is moving forward with the help of this part of the machine

11) Bobbin Winder tension post: This part of the machine is used to maintain  the tension of the bobbin thread

12) Shadel: to produce a 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

Fig:  high-speed bar tacking sewing machine

Working principle:

1) Firstly bobbin is kept on the thread stand
2) pass the thread by maintaining  the thread path
3) We also maintain the thread tension with the help of a tension post.
4) Thread pass through into the needle and set up the machine properly.
5) then switch on the machine.
6) after doing all the above things  then stitch will do by the machine

Precaution:

1) We should not press any elements or switch without the permission of the teacher or lab assistant.
2) We should maintain proper speed by pressing the foot pedal correctly.
3) We should keep a distance from our hand and finger from the needle during work with sewing machine operation.