The JUKI DDL-8700 is high-speed single needles lockstitch machine. It’s for industrial use and produces great stitches. The machine head is durable and consistent. Whether you’re working with lightweight or medium-weight fabrics, this machine can handle them all. That’s why it’s a customer favorite for industrial sewing – efficiency and reliability make it the top choice in the sewing community.
Technical Specifications
Read the technical specs for uninterrupted sewing. This lockstitch machine runs up to 5500 RPM fast and efficiently. Servo motor for speed control and noise reduction. Weighs 61 lbs. Machine oil is required. 320VA voltage.
- Speed: Up to 5500 RPM
- Weight: 61 lbs
- Motor: Servo motor
- Voltage Requirements: 320VA
- Noise Level: Low
Juki DDL-8700 Maintenance
To keep your Juki in good condition and running smoothly. Clean the machine in the bobbin area and needle regularly to prevent build-up that can cause mechanical problems like:
- Thread Tangles and Jams
- Skipped Stitches
- Inconsistent Tension
- Increased Wear and Tear
- Noise and Vibration
- Poor Fabric Handling
- Motor Strain
- Broken Needles
- Corrosion and Rust
Oil the machine with Juki Defrix Oil No. 1. Regularly check and adjust the thread tension to maintain stitch quality. Here are some maintenance tips:
- Cleaning: Keep the machine and surrounding area clean.
- Oil: Oil machine as per manual.
- Thread Tension: Proper thread tension for smooth stitching.
- Needle and Bobbin: Replace needles regularly and make sure the bobbin case works properly.
High-Speed Benefits for Industrial Sewing
High-speed machines increase industrial efficiency and productivity by:
- Faster production: More projects in less time.
- Durable: Built for heavy use with minimal downtime.
- Energy efficient: Servo motor saves you money.
This is a great tool for commercial sewing.
Assembly and Setup Instructions
Step-by-Step Assembly Guide
Assembling the JUKI DDL-8700 is easy following the manual's step-by-step guide. Unbox all parts and lay them out in order. Attach the machine head to the table using the screws and tools provided. Make sure all screws are tight to avoid any problems.
Table:
- Attach legs to the table.
- Install pedal.
Machine Head:
- Place machine head on table cut-out.
- Secure with screws and brackets.
Servo Motor and Belt:
- Mount the motor under the table.
- Attach the belt to the machine and motor pulleys, and adjust the tension.
Thread Stand:
- Install thread stand on the table.
Oil:
Electrical:
- Make sure all electrical connections are tight.
Knee Lifter:
- Adjust to your preference.
Belt Cover and Bobbin Winder:
- Attach the belt cover and bobbin winder to the machine.
Thread Machine:
- Follow the threading guide to thread the machine correctly.
Bobbin:
- Insert the bobbin in the bobbin case.
Test Machine:
- Run the machine to make sure everything is working properly.
Industrial Table Installation
To keep your JUKI DDL-8700 running long-term, proper installation is key. Mount the machine on a table designed for the Servo Motor sewing machine. Place the machine stand and head in position. Use the provided screws to fasten the machine to the table. This will keep the machine stable during operation so you can sew accurately and efficiently.
Setup and Calibration
Machine Placement and Power:
- Place the machine on a flat surface.
- Connect the power cord to the 110V outlet.
- Make the on/off switch easily accessible.
Oil Machine:
- Before first use, oil the machine as per the manual to all designated points.
- Run the machine for 60 seconds to distribute oil.
Thread Machine:
- Follow the threading diagram.
- Make sure the thread goes through all guides and tension discs.
- Thread the needle from front to back.
Bobbin Case:
- Wind bobbin evenly using a built-in winder.
- Insert the bobbin into the case following the thread direction.
- Put the bobbin case into the shuttle until it clicks.
Single Needle Height and Position:
- Loosen needle bar connection screw.
- Adjust the needle bar to the correct height as per the manual.
- Make sure the needle is centered in the needle plate hole.
- Tighten the connection screw.
Thread Tension:
- Start with medium tension.
- Test on scrap fabric similar to your project fabric.
- Adjust the top tension dial and bobbin case tension screw until the stitches are balanced.
Speed Control:
- Find the speed control dial on the servo motor.
- Set maximum speed according to your skill level and project.
- Test different speeds to find what works for you.
Stitch Length:
- Find the stitch length dial.
- Set stitch length for your project.
Presser Foot Pressure:
- Adjust the presser foot controls according to fabric thickness.
- Ensure it's firm enough to feed fabric smoothly but not too tight to leave marks.
By following these steps and maintaining them regularly, your sewing machine will perform and last long in any industrial sewing environment. For more support or questions, contact Goldstar Tool today.
Typical Uses
Garment Manufacturing
- Sewing seams on clothing items such as shirts, dresses, trousers, and blouses.
Tailoring & Alterations
- Performing precise straight stitching for custom garments and clothing adjustments.
Home Décor & Interior Fabrics
- Stitching curtains, cushion covers, and bedding made from light‑ to medium‑weight materials.
Accessory Production
- Creating items such as tote bags, pouches, and other fabric accessories.
Who Uses the JUKI DDL‑8700?
Professionals such as garment manufacturers, tailors and seamstresses, and fashion designers rely on the DDL‑8700 for its speed and consistency in high‑volume production. These users value its ability to maintain stitch quality across a range of light‑ to medium‑weight fabrics.
Understanding the Lockstitch Mechanism
The DDL‑8700 uses a single‑needle, straight lockstitch. In a lockstitch, the upper thread is carried down through the fabric and interlocked with the bobbin thread beneath it, producing a secure seam that is less likely to unravel. This mechanism is optimized for strong, consistent straight‑stitch seams and is one of the key reasons the machine is a favourite in professional settings.
Industrial vs Home Sewing Machines
As an industrial machine, the DDL‑8700 is designed for prolonged, continuous use. Its robust construction, powerful motor, and automatic lubrication system enable long hours of efficient operation in production environments.
In contrast, home sewing machines are built for intermittent use and are not engineered for the high‑volume, high‑speed demands of commercial sewing.
