11. JUKI DDL-8700 Sewing Machine

Industrial Juki sewing machine mounted on a metal table with a foot pedal.
Juki sewing machine.

Upper Part of Machine

Machine Table

Industrial Juki sewing machine on a white table with a ruler guide.
Machine Table.

Machine Table holds the machine head and allows for garment space while sewing.

Machine Head

The machine head controls the upper thread, thread tension, stitch length control,  backstitch lever and needle housing.

White JUKI industrial straight stitch sewing machine with a silver needle and presser foot
The machine head.

Thread Stand

The thread stand holds the cones of thread for the upper threading of the machine head.

Close-up of a bright blue spool of thread on a sewing machine.
The thread stand.

Hand Wheel

The hand wheel allows you to control the movement of the needle manually.

Close-up of the Juki brand logo and flywheel on a white industrial sewing machine.
The hand wheel.

Backstitch Lever

The backstitch lever controls the directions of the stitching by allowing the machine to stitch backwards to secure the stitching line.

Close-up of a white sewing machine showing a lavender knob and a small white lever.
The backstitch lever.

Stitch Length Dial

The stitch length dial controls the length of stitches. Average stitch length for seams is 2.5-3.

Close-up of a grey adjustable knob with numbered settings on the side of a white sewing machine.
The stitch length dial.

Tension Dial

The tension dial controls the amount of tension placed on the upper thread.  There should be no need to change the tension dial once set for standard fabrics.

Close-up of a white Juki industrial sewing machine with focus on the tension dial and presser foot lever.
The tension dial.

Throat Plate

The throat plate covers the lower bobbin housing and allows the feed dog (serrated  feet) to move the fabric forward while stitching. It also has seam allowance markings.

Close-up of a sewing machine needle poised above the feed dog plate and presser foot.
The throat plate.

Bobbin Plate Cover

The bobbin plate cover hides the bobbin case mechanism that holds the lower thread.  It slides to the left to open and see into the bobbin case housing.

Close-up of a sewing machine needle plate with a needle positioned above it.
The bobbin plate cover.

Bobbin Winding Mechanism

The bobbin winding mechanism is located on the right side of the machine. It is used to wind the bobbin with the lower thread for stitching.

Close-up of a white serger sewing machine with a spool of blue thread visible.
Bobbin Winding Mechanism.

Presser Foot and Needle Shank

The presser foot holds the fabric is place while stitching. It lifts and lowers with a lever on the back of the machine head or by the knee lifter under the machine table. The needle shank holds the needle in place while stitching.

Close-up of the needle and presser foot of a white sewing machine.
The presser foot.

Table Light

The table light is located toward the back of the table and is adjustable on a flexible arm. The power switch is located on the top of the light and if left on will turn on and off with the machine power button.

White Juki industrial sewing machine positioned on a white table under a lamp.
Table Light.

Lower Part of Machine

Power Switch

The power switch is located just under the table on the right side of the machine table.

Close-up of a red power switch and fuse holder mounted beneath a machine.
Power Switch.

Knee Lifter

The knee lifter controls the lifting and lowering of the presser foot.

Close-up of a black foot pedal and part of a sewing machine.
Knee Lifter.

Foot Peddle

The foot peddle controls the operating of the machine.

Close-up of a gray shoe pressing down on a foot pedal.
Foot Peddle.

Motor Speed Dial

The motor speed dial is located on the motor housing and is adjustable from 0—3450. Average speed for class is 350.

Close-up of a gray mechanical component with a white dial featuring blue numbers and markings.
Motor Speed Dial.

Accessories

Bobbin Case

The bobbin case holds the bobbin full of thread. Show here are both sides of the bobbin case.

Bobbin Case, two metallic snap fasteners, one with a smooth surface and prong, and the other deeper with a curved interior.
Bobbin Case.

Bobbin

The bobbin holds the lower thread and is inserted into the bobbin case to be placed in the lower part of the machine.

Sewing Bobbin, metallic spool with a central hole and multiple holes around its base
Bobbins.

General Straight Stitch Presser Foot

This presser foot holds the fabric in place while stitching. The general presser foot is shown here.

Close-up of a silver metallic sewing machine foot
General Straight Stitch Presser Foot.

Invisible Zipper Foot

The invisible zipper foot is grooved on the bottom for zipper teeth to glide through and provide a concealed zipper for polyester or nylon zippers.

Small, metallic firearm part with a unique L-shaped design.
Invisible Zipper Foot.

Slim Zipper Foot

The slim zipper foot with a notch on the side is used to insert lapped, center and fly front zippers. This foot can also be used to get into tight corners and attaching piping.

Close-up of a small, silver metal component .
Slim Zipper Foot.

Machine Needle

The machine needle for the lockstitch sewing machine has a shank, shaft and eye. Sizes vary upon fabric choice.

A sewing machine needle
Machine Needle.

Drawer Contents

Each machine has an accessories drawer located under the edge on the left side of the machine table. Located in the drawer is a box with a bobbin  case, invisible zipper foot and slim zipper foot. This box and its contents stay with the machine at all times. In addition, the drawer will have a  screwdriver for changing out the presser feet and for changing the needle.

Metal sewing machine presser feet and bobbin case in a clear plastic container next to a ruler.
Drawer Contents.

 

License

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Introduction to Apparel Production Workbook Copyright © 2023 by Laurie M. Apple is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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