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Types Of Sewing Machine Stitches by David Trumble
How many stitches does a modern sewing machine have? For the first hundred years, the sewing machines only had straight stitches. Today, sewing machines are very different. Today there are whole sets of stitches including, decorative stitches, alphabetic lettering, utility stitches, and over casting stitches. Today sewing machines boast twenty to a thousand different stitches. Most machines enable variations of length and width.
How many different types of sewing machines are there? It can be a challenge to understand all the subtle differences and all the major differences. Stitches vary not only in number, purpose, and design; they are made in different ways.
The least expensive modern sewing machine is described as a mechanical sewing machine. These machines depend on an AC electric motor to drive shafts, gears, levers, and belts. Across the top, a series of mechanical devices the needlebar. Across the bottom, another shaft drives the hook and feed systems.
Stitches are formed in a mechanical machine by aligning cam trackers (levers that rub against a cam gear with bumps and shallows) with the cam gear so that when the cam gear moved the tracker lever will bounce back and forth. This movement is then transferred by lever to the needle assembly moving the needle bar 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 protruding on the top or face of the sewing machine. The user moves the stitch selector to the proper position, and the trackers line up to form that stitch. Additional dials or levers are used to adjust the stitch length and stitch width.
One step above the mechanical machine is a class of sewing machines that applies a variety of electronic devices. These devices are often used for better stitch selection. Usually, the electronics are used to improve power control. There are blended machines. Some blend mechanical machines with limited electronics. Others use loads of electronic devices even blending with computerized parts. Electronic sewing machines significantly improve the smoothness, dependability, and ease of sewing machine use.
Electronic sewing machines significantly improve the smoothness, dependability, and ease of sewing machine use. Many more stitches are offered by electronic stitches.
Computerized sewing machines use the most advanced technologies to produce the greatest number of different stitches, smoothest sewing, and most dependable operations. Computer input is made either by pre-programming, touching buttons on the computer keypad, or a touch screen. The computer takes the signal and 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.
Mechanical sewing machines use buttons, dials, and levers to select stitches.
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.
You can get a handle on your stitches with this little exercise. Make Your Own stitch selection reference book. Cut as many 5 by 7 pieces of plain fabric as you may need. Select one stitch at a time, and sew one seam across the piece of fabric. Sew similar stitches (utility, decorative, etc.) on each piece but spread out for neat appearance. Repeat the process for every stitch on your sewing machine. If you only have a few stitches, try sewing a variety of lengths and widths. This is an inexpensive and practical way to really get a handle on all your stitches.
Grasp the full potential of your sewing machine. Learn every stitch on your machine. Master the selection, settings, and use of each stitch. Then you will have real confidence sewing with your sewing machine.
Discovermore about repairing sewing machines from Sewing Machine Technician David Trumble. Enroll in one of his comprehensive sewing machine repair courses. Begin by getting his free beginner's sewing machine repair course.
Article Source: http://www.earticlesonline.com/Article/Types-Of-Sewing-Machine-Stitches/473237
