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How To Adjust Sewing Machine Stitches? 

You have a bunch of sewing machine stitches you can adjust.  You have over a thousand different hand stitches.  There are sewing machine utility stitches.  There are sewing machine decorative stitches.  There are serger stitches.  There are industrial manufacturing stitches. You can adjust sewing machine stitches.

How do you adjust sewing machine stitches?


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On a moderately priced home sewing machine you will find twenty to two hundred different stitches.  You can adjust sewing machine stitches for stitch length and stitch width.  You may even adjust sewing machine stitches as stretch stitches.  A top quality home sewing machine will have eight hundred to a thousand different stitches.  You can adjust all of these sewing machine stitches.

There are several distinctly different types of sewing machines.  Each type uses slightly different systems to select and form stitches. 


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How do you adjust sewing machine stitches?

Mechanical sewing machines are the least expensive sewing machines.  They use the most primitive technologies.  An AC electric motor turns a belt  turns the upper sewing machine shaft.  The upper shaft transfers the mechanical energy along the shaft past the cam system to the needle system.  A lever on a parabola connection transfers the mechanical movement. It moves down to the lower sewing machine shaft.  The lower shaft may be split into a dual lower shafts.  One shaft drives the hook and a second  drives the feed dogs. 

Stitches are formed in a mechanical machine by aligning cam trackers. These are levers that rub against a cam gear with bumps and shallows. The trackers line up against the cam gear.  When the cam gear moves, the tracker lever will bounce back and forth.  This movement is transferred by lever to the needle assembly.  The needle bar moves back and forth and up and down to form the desired stitches.  The alignment of the cam trackers is achieved by use of levers, buttons, or dials. These are mounted on the top or face of the sewing machine. 

How do you adjust sewing machine stitches?

The user moves the stitch selector to the proper position. The trackers line up to form that stitch. Additional dials or levers are used to adjust the stitch length and stitch width.

Electronic sewing machines use electronics to control the power drive system and the stitch selection system.  Note many machines are blends of mechanicals and electronic technologies.  Others are blends of electronics and computer technologies. 

Fully electronic sewing machines use electronic circuits. These manage motor output giving the sewing machine greater torque, increased consistency, and smoother sewing.  Stitches are selected with electronic buttons.  Push a button and your stitch is produced.  Electronic sewing machines usually offer more different stitches and more dependable sewing.

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How do you adjust sewing machine stitches?

Computerized sewing machines use the most advanced technologies. They also produce the greatest number stitches.  Here you find the most different stitches, smoothest sewing, and most dependable operations.  

Computer input is made either by touching  buttons on the computer keypad or a touch screen.  The computer takes the signal.  It manages a set of DC pulse motors to create and manage stitches.  It is common for computerized sewing machines to offer hundreds of different stitches.

How do you adjust sewing machine stitches?

To choose a stitch on a mechanical sewing machine turn a dial, move a lever, or press a button. 

On an electronic sewing machine, press a button attached to an electronic switch.

On a computerized sewing machine, press a button on the computer keypad or touch the selection on a computerize touch screen.

How do you adjust sewing machine stitches?

Three basic types of stitches are used: Utility Stitches, Decorative Stitches, and Button Holes.

Utility Stitches include many different stitches. They include the straight stitch and the zig zag stitch.  They include the blind hem stitch and stretch stitches.  They include the overcast stitch and the blanket stitch.  They include may other useful stitches for practical purposes.

Decorative Stitches include many varieties of satin stitches, outline stitches, and specialty stitches.

Button Holes include four step button holes, one step button holes, darning stitches, and eyelet stitches.

This is how you adjust sewing machine stitches?