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in sewing, why it is important to know the estimated quantity of materials to be used before purchasing? ​

Sagot :

Answer:

DULE

Lesson 1:

USE OF SEWING TOOLS

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LEARNING OUTCOMES:

At the end of this Lesson, you are expected to do the following:

LO 1. identify sewing tools and equipment are identified

Definition of Terms

Tailor’s Chalk

This is essential as a marker for use on materials.

Tailor‘s chalk is available in a range of colors and is

Removed by brushing.

Wax chalk

This is available in black or white and is used

for woolen fabrics. Wax can be removed by pressing.

Tracing Wheel

There are two types of tracing wheels, those with a serrated edge and those with a smooth edge. The serrated edge wheel produces dots on the fabric and is suitable for most types of fabrics. The smooth edge wheel is best for delicate fabrics and unlike the serrated edge will not pierce more delicate fabrics.The smooth edge wheel creates a solid line.

Dressmaker’s Carbon Paper

Dressmaker`s carbon paper also called dressmaker`s tracing paper is a specially waxed carbon paper that transfer the tracing wheel`s marking to the fabric. A color of tracing paper should be

chosen that is close to the color of the fabric. Different brands of

tracing paper have different instructions; therefore, the instructions

for the particular brand that is purchased should be followed.

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PINNING AND SEWING TOOL

Pincushion

A pincushion holds the straight pins and needles while

working to prevent accidents.

Hand Needle

Used in making temporary stitches and buttonholes.

Sizes of 7 to 10 are for general hand sewing.

Thimble

A small hard pitted cup worn for protection on the finger that

pushes the needle in sewing.

MATERIALS

Fabric

The Fabric is the cloth used in making garments. The plain

cotton fabrics, flour sack or catcha is the most appropriate material

for beginners because these are very easy to handle.

Thread

The thread is used in assembling or constructing the parts

of the garment. Threads vary in sizes. Heavy fabrics need stronger

threads. Threads should have the same color with that of the fabric

used.

TYPES OF SEWING MACHINE

Well-selected sewing machine is essential for achieving good results. It should be

used correctly in accordance with the job requirements.

1. Lockstitch Sewing Machine. This is usually used in homes and

sometimes in school. This is also called ―Domestic Sewing Machine‖.

It is run by foot and may also be converted to electric power

machine.

2. Hi-Speed Lockstitch Sewing Machine. This is

sometimes called „straight stitching machine‖ or

industrial sewing machine. It has automatic

lubrication and is used by tailors and

dressmakers.

3. Over Edging Machine. Other companies call it

―small machine‖. It finishes the raw edges of the

pattern for construction.

4. Embroidery Machine. This is used in making

fancy stitches and in making different kinds of

embroidery stitches on fabrics for the Barong

Tagalog, pillow cases, linen, and other novelty

items.

5. Button Holer Machine. This is used in

making buttonholes on garments.

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6. Button Attachment Machine. This is used in

attaching buttons to the garments.

7. Double Needle Machine. This is used in the

construction of the different kinds of clothing

especially for the inseam, outseam and side

seam.

8. Bartacking Machine. This is used in

reinforcing the opening and closing of pockets.

Major Parts of the Lockstitch Sewing Machine

The two major parts of the lock stitch sewing machine are

the upper and lower parts.

The Upper Parts is composed of:

1. Head is the complete sewing machine without a

cabinet or stand.

2. Arm is the curve part of the head containing

mechanism for operating the needle.

3. Bed is the flat portion of the machine and beneath is

the feed dog where it is mounted, and the shuttle and

lower thread are placed.

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Parts of the Sewing Machine in the Arm

1. Spool Pin is the thread holder.

2. Thread Guide keeps the thread in position.

3. Thread Take up Lever releases the thread and interlocks with the bobbin thread.

4. Presser bar lifter moves the presser foot.

5. Tension controls the looseness and tightness of stitches