26mm Binder for 441 style machines
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The KHF441 is an industrial tape binder attachment specifically designed for heavy-duty cylinder bed sewing machines, most notably the Juki TSC-441, Titan TN-441 and its various clones (such as the Cowboy CB4500, Cobra Class 4, and Techsew 5100). It is a critical tool for finishing the edges of thick materials like leather, heavy canvas, and webbing.
Key Features and Functionality
- Heavy-Duty Application: Engineered to handle thick binding tapes used on items such as saddles, holsters, heavy bags, and safety belts.
- Edge Finishing: It functions as a raw edge binder, meaning it folds the tape around the edge of the material without folding the top and bottom edges of the tape itself (unless specified as a double-fold version).
- Swing-Away/Movable Design: Often used as part of a movable binder kit (#4500B1), which allows the binder to vibrate or move in sync with the machine's feed to ensure a smooth finish on heavy or elastic materials.
- Adjustability: The attachment's position can be adjusted left or right to control topstitching distance from the edge.
Specifications and Sizes
The KHF441 is available in several "tape cut" sizes, which determine the width of the binding strip you must use:
- Common Tape Sizes: 26mm, 32mm, 40mm, 45mm, and 50mm.
- Example: A 26mm tape size option typically features a 9mm mouth opening.
Required Components for Installation
Converting a cylinder bed machine for binding typically requires a multi-part kit rather than just the folder alone:
- KHF441 Folder: The metal funnel that guides the tape.
- Synchronized Moving Arm: A rocking bracket that connects to the feed dog.
- Specialized Needle Plate & Feed Dog: Required to accommodate the binder's movement.
- Binder Presser Foot Set: Includes an inner and outer foot designed to clear the binder's funnel
