Industrial Fur and Sheepskin Sewing Machine
For sewing natural fur skins are used special sewing machines. They are designed to produce whipstitch (overseam) using that you can to do tight welted seam to flat butted seams of any kinds furs and sheepskins.
There are many sewing machines models for perfect overseam stitching on all types of materials including furs, genuine leathers, acrylics, pile fabrics, knits etc. There are models that can sew very thin furs skin. Some models fur machines are used for sewing sheepskins (or similar furs). Some of them are used for sewing very thick fur skins and materials.
At home, a middle-class sewing machine is used only, that is designed for sewing furs skins of foxes, minks, raccoon etc.
Home type of fur sewing machine is used one thread only.
How to Thread a Fur Sewing Machine
To thread the fur sewing machine needs one spool only. To thread the machine correctly follow this step-by-step instruction.
1. Put the coil of thread for spool holder first.
2. Insert through thread guide and over between the tension discs.
3. Insert the thread through front pigtail, down and through the hole in the needle bar tension plate.
4. Now turn the hand wheel until the needle bar tension plunger opens.
5. Holding the thread tight open the feed dogs (discs) pass the thread under the needle and back under the needle bar into the thread slot.
6. Loop thread over tension plunger draw forward, close up under the needle under the needle bar and into hole in the tension plate through which the needle protrudes.
7. Take a thread end with tweezers.
8. Move the front disc towards you and pass the end of thread into needle eyelet.
Setting of Needle on Fur Sewing Machine
Type of sewing needles for fur sewing machine is special. They have round shank (industrial type a needle). They are shorter than usual needles. Look in manual what types of needles is suited for your fur sewing machine.
If you have little experience of working on fur sewing machine you will have to change the needles often. Not skillful sewing of fur skins leads to the bending of the needle.
Now let's try to replace the needle correctly.
Using the belt wheel (turning by hand) pull out the looper from the needle area. Now you need open the feed discs.
Hold the needle and insert it into needle bar slot. On the back a slot is stopper. You need place the needle shank back as far as it will go.
Now you can tighten the clamp screw with flat screwdriver.
Don't tighten the shank of needle very hard. Using big screwdriver you can damage the screw thread. Note: Into the slot of needle bar may be a piece of needle. Take away it before setting new needle.
Caution: The Looper must swings over the scarf of needle, therefore set the needle short groove face up. The fur sewing machine will not sew properly if needle is inserted on reverse side.
Setting the Wheels, Needle Plate and Needle Bar
1. Setting of Wheels.
Set the back wheel up to the needle, leaving enough room for the cotton to pull freely between the needle and back wheel.
Set the front wheel a fraction below the back wheel allowing for the pitch in the needle bar.
2. Setting Needle Plate.
Turn the needle plate to meet needle. Set needle to run straight into needle plate slot, making sure that there is about .033 plays between the needle and the bottom of needle plate slot. When this is set, proceed to follow step.
3. Setting of Needle Bar.
Needle bar should be set out to approximately 1/32 inch away from rim of back wheel and must appear to be aligned straight. Then tighten needle bar yoke screws. Check needle penetration seeing that the needle when entering material used will enter straight not striking the sides of needle slot.
Setting of the Looper
When you have the needle bar set well, set the looper in position so that it when crossing over the needle plate and the eye of the needle has passed half way across the length of the shoe of the looper (see diagram 1).
Turning the belt wheel to turn the looper toward the back wheel, make sure that when the looper comes against the side of the needle that it is not striking the needle (only brushing against it). See diagram 2.
Setting of looper in back stroke motion the looper heel goes under the needle. Make sure that the needle is not protruding.
By following this looper setting, the needle will be in perfect position to lock the stitch before penetrating the material for the next stitch.
Setting of Fur Sewing Machine you can see: Bonis Fur Sewing Machine Manual PDF.
Tips How To Clean and Make Minor Adjustments
When operating your fur sewing machine often you need clean and adjust it periodically.
Below are list of minor adjustment which you can very well do yourself.
1. Check front and back discs and see that it is running smoothly and not clogged with fur hair and small pieces of fur skin, threads, dirt, etc.
2. Periodically is needed remove needle plate, take wheel apart, and wipe off clogged wheel, rollers and stud.
3. Make sure that the needle plate slot is free of ridges and any foreign matter.
4. Look on the needle, it not be bent.
5. Note: The between the thread tensioner discs can accumulate the strips and scraps of threads. This can lead to skipping and weak stitching and thread breakage. Take it apart and clean discs and other detail.
By doing this recommendation periodically and timely you will sew the furs without problems.
6. Be sure that thread move in the eyelet of needle freely. When thread is very thick and needle thin, the thread can break. Size of thread need select by the thickness of the needle!
7. If your fur sewing machine make skipping constantly see how swings the looper near the eyelet of needle. The tip of looper must go near the eye, not more than 1 mm.
To fix it you need to loosen two screws inside housing the machine that hold the needle bar yoke. Push back needle bar a little taking into account the above-mentioned parameter (1 mm).
How to Oil the Fur Sewing Machine
The fur sewing machine should be oiled regularly, at least one time every month. If you use fur machine (at home) every day is recommended to oil every week. Continuous use of industrial sewing machine requires constant lubrication throughout the day.
See also: How to oil and clean a serger.
Be sure to put oil in joins under top cover which are indicated with arrows.
Industrial Machine Can Be Used at Home
The industrial fur sewing machines have a table and special industrial clutch motor. The feed wheels are moved apart by pressing the pedal. But using the tips below, you can change the industrial model for home use.
Hand lever for opening the feed wheels can be fastened to the end of shaft that open the front wheel, as shown on this photo.
Make such a bracket and you can connect to the fur sewing machine the household sewing motor.
English isn't my first language, so please excuse any mistakes and help correct them.
E-mail for sending is on the contact page.
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