1. Product Overview
The CKPSMS B9117-563-000 large capacity steel bobbins are designed for industrial sewing machines, specifically walking foot and double needle machines. These bobbins are constructed from durable steel, ensuring longevity and consistent performance during sewing operations. Each bobbin is engineered to hold a significant amount of thread, reducing the frequency of bobbin changes.
Figure 1: A single large steel bobbin, showcasing its robust construction and design with six circular openings on each side.
2. Key Features
- Part Number: B9117-563-000 (Alternative part numbers: #6408, #510007, #11200L, #BO-1215MM-N, #211200100, #MN 12B0 123, #P976002, #S09285-0-01)
- Material: High-quality steel for durability.
- Capacity: Large capacity design to minimize thread changes.
- Quantity: Available in packs of 20 pieces.
3. Compatibility
These bobbins are compatible with a wide range of walking foot and double needle industrial sewing machines. Verify your machine's bobbin specifications against the provided part numbers and dimensions.
Figure 2: Dimensional drawing of the bobbin, indicating a diameter of 28mm, a height of 11.7mm, and a central hole diameter of 6mm.
Compatible Machine Brands and Models (Partial List):
- Able: LT2-220BF
- Artisan: 4400RB
- Brother: B836, B837, B872, B875, B882
- Consew: 125, 327RB, 328RB
- Juki: LU-563, LU-563-3, LU-1508, LU-1510, LU-1560, LU-1565, LUH-521, LUH-526, LH class Large Hook Machines
- Mitsubishi: DN-260-22, DN-262, DN-265-22, DN-267, DN-275-20, DU-100-22, DU-102, DU-105-22, DU-107, DU-120-22, DU-122, DU-125-22, LU2-400, LU2-410
- Nakajima: 241L, 480L, 481L, 482L
- Nitaka: B872, B875, B935, B1685, B1885
- Singer: 211G465, 211G466, 211G557, 211G558, 211G566, 211G765, 211G766, 211U566
- SunStar: KM-560, KM-740, KM2-740, KM2-740BL
- Taking: TK-872, TK-875
- Yakumo: 481L, 482L
4. Setup and Installation
Proper installation of the bobbin is crucial for smooth sewing machine operation. Refer to your sewing machine's specific instruction manual for detailed bobbin winding and insertion procedures, as these can vary by model.
General Bobbin Winding Procedure:
- Place a spool of thread on the machine's spool pin.
- Guide the thread through the machine's tension disc for bobbin winding.
- Insert the end of the thread into one of the small holes on the bobbin.
- Place the bobbin onto the bobbin winder spindle.
- Engage the bobbin winder and press the foot pedal to wind the thread evenly onto the bobbin. Stop when the bobbin is full but not overfilled.
- Remove the wound bobbin from the spindle and trim the thread.
General Bobbin Insertion Procedure:
- Open the bobbin case or access panel on your sewing machine.
- Insert the wound bobbin into the bobbin case, ensuring the thread unwinds in the correct direction (usually counter-clockwise).
- Guide the thread through the tension spring of the bobbin case.
- Insert the bobbin case into the shuttle hook mechanism of the machine.
- Close the bobbin case or access panel.
- Lower the needle to pick up the bobbin thread, then pull both threads to the back of the machine before starting to sew.
5. Operating Guidelines
Once the bobbin is correctly installed and threaded, ensure proper tension settings on your sewing machine for optimal stitch quality. Incorrect bobbin tension can lead to skipped stitches, loose stitches, or thread breakage.
- Always use bobbins that are specifically designed for your machine model to prevent damage and ensure proper function.
- Ensure the bobbin thread matches the top thread in weight and type for balanced stitching, unless a specific decorative effect is desired.
- Regularly check the bobbin for any nicks or burrs that could snag the thread.
6. Maintenance
These steel bobbins require minimal maintenance. Keep them clean and free from lint and thread residue to ensure smooth operation.
- Store bobbins in a clean, dry container to prevent dust accumulation and corrosion.
- Periodically inspect bobbins for any signs of wear, bending, or damage. Replace damaged bobbins immediately to avoid machine issues.
- Avoid dropping bobbins, as this can deform them and affect their performance.
7. Troubleshooting
Common Issues and Solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Thread breaks frequently | Incorrect bobbin winding, damaged bobbin, incorrect tension. | Rewind bobbin evenly, inspect bobbin for damage and replace if necessary, adjust bobbin tension. |
| Skipped stitches | Improper bobbin insertion, incorrect needle, lint in bobbin area. | Reinsert bobbin correctly, ensure needle is appropriate for fabric, clean bobbin case and hook area. |
| Uneven stitches | Incorrect bobbin tension, unevenly wound bobbin. | Adjust bobbin tension, rewind bobbin carefully. |
| Bobbin does not fit | Incorrect bobbin size for machine model. | Verify bobbin dimensions and compatibility with your machine's specifications. |
8. Specifications
- Part Number: B9117-563-000
- Material: Alloy Steel
- Dimensions: Approximately 28mm (Diameter) x 11.7mm (Height) x 6mm (Center Hole Diameter)
- Item Weight: 6.4 ounces (for the set of 20 bobbins)
- Package Dimensions: 3.66 x 2.4 x 1.34 inches
- Manufacturer: KUNPENG (Brand: CKPSMS)
9. Technical Support
For technical assistance or questions regarding compatibility, please contact the manufacturer or seller. When seeking support, provide your machine's brand and complete model number for accurate advice.
If you encounter any issues using the received parts, do not hesitate to reach out to the seller for assistance.
