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BASIC CONCEPTS A SEAM is the place where two or more parts are joined with a stitch. A STITCH is a thread connection of parts, a series of repeating stitches. A STITCH is the interweaving of threads between two punctures of fabric with a needle. SEAM WIDTH is the distance from the sections of the parts to the stitch.
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REQUIREMENTS FOR MACHINE SEAMS Machine stitches must be even; the width of the seam should be even (the same); stitches should be uniform in frequency; the tightness of the stitches should be the same, the interlacing of the threads should be between layers of material; the lines must be continuous, without breaks; there should be no waviness of the material along the seam line; the seam must be strong (in this case, the threads you use play an important role); Place seam allowances to the right of the needle, and place the main parts to the left.
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BE CAREFUL... There is a hint hidden in the text that will help you do your practical work perfectly.
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CLASSIFICATION OF SEAMS MACHINE SEAMS CONNECTING EDGE FINISHING STITCH OVERLAYED STITCHING STITCHED HEAM with an open cut STITCHED hem with a closed cut FOLDS one-sided counter bow STITCHED SEAMS with edging RELIEF SEAMS
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REPEATMENT Your attention will be presented to different types of machine seams and methods of their implementation, as well as their graphic representation and symbol. Try to remember where and when you have already used some of them?
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Stitch seam Stitch the edges with a straight stitch. Be sure to backtack at the beginning and end of the stitching. The width of the fabric seam allowance is from 0.5 to 1.5-2 cm; We sew the sections. If the seam is pressed, then overcast both sections at the same time. If the seam is pressed, then we sew each section separately; We fold the parts with the right sides inward, align the cuts and baste or pin them across the chalk line; We remove the basting thread and perform a wet-heat treatment of the stitched seam, either pressed or open-ironed, or the seam is left on the “edge”
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Hem seam with an open cut Pre-sew the cut of the part, fold it inside out by 0.5–0.7 cm and baste it; We machine stitch at a certain distance from the edge, depending on the model; If the model should not show the machine stitching (hemming) from the front side, then we hem the seam allowance using hand blind stitches; Iron the seam.
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Hem seam with closed cut The processed cut of the part is folded on the wrong side by 0.7 - 1.0 cm, baste; Iron the folded edge without catching the tacking stitch; Then we place the folded edge on the part, according to the amount of allowance provided for by the model, and machine stitch it or sew it by hand with blind stitches; Remove the basting threads; Iron it.
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Edging seam Bend the finished bias tape lengthwise and iron it; We put the edge of the workpiece between the sides of the binding and baste it; We adjust the binding with a machine stitch at a distance of 0.1-0.2 cm from the edge. We bend the edges of the seam and lay another line along the front side at a distance of 0.1 cm from the edge; Iron the edging.
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Overlay seam with an open cut Overlay seam with an open cut is made by overlapping the cuts with 1.5-2 cm overlapping each other. We lay the stitch parallel to the cuts of the parts.
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Raised seams Sewing seams are made along the front or back side of the part. Basically, this type of seam is used to sew folds on products. The distance from the fold line to the stitch is 0.1-0.2 cm. A stitch with cord is used for finishing light women's clothing and coats. To make a seam you need a special foot with a groove in the sole. A strip of the main fabric is placed on the inside of the part and the first machine stitch is made from the front side along the pre-marked line; Place a cord between the layers of fabric and lay a second line.
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Stitched seam with edging Cut out a strip of fabric to make edging; Fold in half with the wrong side inward and iron; On one of the main parts of the product, place a strip folded in half on the front side and sew stitching line 1; Place another piece of main fabric on top, face down, and stitch. We place line 2 exactly in the stitching seam of the strip; Iron the seam sections from the wrong side.
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A SEAM is the place where two or more parts are joined with a stitch. A STITCH is a thread connection of parts, a series of repeating stitches. A STITCH is the interweaving of threads between two punctures of the fabric with a needle. SEAM WIDTH is the distance from the sections of the parts to the stitch.
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Seam width Line Stitch Fabric MACHINE SEWING DIAGRAM
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machine stitches must be even; the width of the seam should be even (the same); stitches should be uniform in frequency; the tightness of the stitches should be the same, the interlacing of the threads should be between layers of material; the lines must be continuous, without breaks; there should be no waviness of the material along the seam line; the seam must be strong (in this case, the threads you use play an important role); Place seam allowances to the right of the needle, and place the main parts to the left.
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There is a hint hidden in the text that will help you do your practical work perfectly.
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MACHINE SEAMS CONNECTING EDGE FINISHING STITCHED OVERSTITCHED STITCHED HEAM with an open cut STITCHED HEMIED with a closed cut FOLDS one-sided counter bow STITCHED SEAMS with edging RELIEF SEAMS
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Your attention will be presented to different types of machine seams and methods of their implementation, as well as their graphic representation and symbol. Try to remember where and when you have already used some of them?
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STICKING SUPPLIES 1 2
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Sew the edges with a straight stitch. Be sure to backtack at the beginning and end of the stitching. The width of the fabric seam allowance is from 0.5 to 1.5-2 cm; We sew the sections. If the seam is pressed, then overcast both sections at the same time. If the seam is pressed, then we sew each section separately; We fold the parts with the right sides inward, align the cuts and baste or pin them across the chalk line; We remove the basting thread and perform a wet-heat treatment of the stitched seam, either pressed or open-ironed, or the seam is left on the “edge”
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IN THE HEAM EDGING STITCHED 1 2 3
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We pre-sew the cut of the part, bend it on the wrong side by 0.5–0.7 cm and sweep it; We machine stitch at a certain distance from the edge, depending on the model; If the model should not show the machine stitching (hemming) from the front side, then we hem the seam allowance using hand blind stitches; Iron the seam.
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The section of the part being processed is folded on the wrong side by 0.7 - 1.0 cm, and we sweep it; Iron the folded edge without catching the tacking stitch; Then we place the folded edge on the part, according to the amount of allowance provided for by the model, and machine stitch it or sew it by hand with blind stitches; Remove the basting threads; Iron it.
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We bend the finished bias tape lengthwise and iron it; We put the edge of the workpiece between the sides of the binding and baste it; We adjust the binding with a machine stitch at a distance of 0.1-0.2 cm from the edge. We bend the edges of the seam and lay another line along the front side at a distance of 0.1 cm from the edge; Iron the edging.
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Stitched seam with piping RELIEF Overlay with open cut 3 1 2
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An overlay seam with an open cut is made by overlapping the cuts with 1.5-2 cm overlapping each other. We lay the line parallel to the cuts of the parts.
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Topstitch seams are made along the front or back side of the part. Basically, this type of seam is used to sew folds on products. The distance from the fold line to the stitch is 0.1-0.2 cm. A stitch with cord is used for finishing light women's clothing and coats. To make a seam you need a special foot with a groove in the sole. A strip of the main fabric is placed on the inside of the part and the first machine stitch is made from the front side along the pre-marked line; Place a cord between the layers of fabric and lay a second line.
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We cut out a strip of fabric to make the edging; Fold in half with the wrong side inward and iron; On one of the main parts of the product, place a strip folded in half on the front side and sew stitching line 1; Place another piece of main fabric on top, face down, and stitch. We place line 2 exactly in the stitching seam of the strip; Iron the seam sections from the wrong side.
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We bend the cut of one of the parts towards the wrong side by 1-1.5 cm and iron it; Place the ironed edge of the part on another part and baste; We machine stitch, departing from the ironed edge by 0.1-1 cm, that is, depending on the model. The seam allowance cut of part (a) is covered by both parts.
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We place the part with the wrong side down, placing the fold allowance on both sides of the stitching line. The middle line must be located along the stitching seam; Along the upper cut we fasten the folded fold across it with a machine stitch; Iron the folds; You can put a finishing stitch along the front side, including one that secures the folds along the width.
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CONNECTING SEAMS FINISHING SEAMS EDGE SEAMS Stitched with edging Double double-sided folds Overlay with a closed cut Sealed raised overlay with an open cut Stitched pressed Hem edging with an open cut TASK. In your notebook, draw a table consisting of three columns, in each of them write the stitches that relate to this column. I WISH YOU GOOD LUCK!
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If everything is exactly the same as on this slide, feel free to give yourself a “5”. If you made a mistake, look at the entire presentation again... CONNECTING FINISHING EDGINGS stitched with edging double double-sided folds of the invoice with a closed cut sewn in relief invoice with an open cut stitched open-iron edging hem with open cut
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MAOU secondary school No. 71, Krasnodar
Housekeeping technology grade 5
CLASSIFICATION MACHINE SEAMS
MACHINE SEAMS
EDGE
FINISHING
CONNECTING
FOLDS
unilateral
counter
bow
HEAM
open cut
STACHNOY
OVERHEAD
HEAM
with closed cut
STITCH SEAM
with edging
SETTING
TURNED
RELIEF SEAMS
INSTRUMENT
Stitch seam
Hem seam with open cut
Closed hem seam
Raised seams
Stitch seam with edging
Bow pleat
PRACTICAL TASK
Samples will be presented to your attention different types finishing machine seams, as well as their graphic representation, symbol and technical description their implementation.
Based on the samples, determine the names of the seams and make a graphic representation of them in your workbook.
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