bar tack sewing machine

Bar Tack Sewing Machine

Specification of   Bar Tack Sewing Machine:  

Brand : JUKI Model : LK1850 Group : Lock stitch Needle use : DPX5 Needle size : 9, 11, 14, 16, 18, 20 & 21 SPM : 3000-3600 TPH : 6-7 inch Pressure : 64 Length : 1-1.5 cm Made in : Japan. TPI (Thread per inch) per pressure: 64 stitch.

Different Parts of   Bar Tack Sewing Machine:  

1. Bobbin winding2. Bobbin winding spring tensioner3. Back stitch lever4. Spring tensioner post box5. Thread guide6. Knife lever7. Thread take-up lever8. Needle9. Knife10. Wiper11. Pressure feed guide12. Throat plate13. Bobbin14. Bobbin case15. Pressure lever16. Tensioner

Bar Tack Sewing Machine

Where,A=Cone PackageB=ThreadC=GuitdD=GuideE=GuideF=TensionerG=TensionerH=GuideI=GuideJ=Thread take up leverK=GuideL=GuideM=Needle

Working Principle of   Bar Tack Sewing Machine : At first this machine produces tack stitches in a small length (1-2 cm) and then sews covering stitches over and at right angles to the first stitches. The variables are the number of tacking stitches and the number of covering stitches. Typical uses are closing the ends of buttonholes, reinforcing the ends of pocket openings and the bottoms of flies and sewing on belt loops. The adjustment points of this machine are needle, pressure feed, stitch length, stitch density.

Uses of Bar Tack Sewing Machine:

1. Attaching belt loops.2. Increasing strength in corner of pocket.3. Closing the two corners of button hole.4. At the end of zipper.5. In that place where more strength is needed to support extra load.