
Spare parts, maintenance, and needles
Bobbin Case
It is the heart of the sewing system in both industrial and traditional domestic sewing machines, acting as a housing that protects the bobbin and controls the flow of the lower thread during stitch formation. Its primary function is to provide balanced and precise thread tension via a side metal pin that is adjustable using a very small screw.
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Overview
It is the heart of the sewing system in both industrial and traditional domestic sewing machines, acting as a housing that protects the bobbin and controls the flow of the lower thread during stitch formation. Its primary function is to provide balanced and precise thread tension via a side metal pin that is adjustable using a very small screw.
Key Features
- Shuttle protection: It acts as a protective sleeve for the shuttle (pulley) inside the machine, protecting it from dust and lint and preventing it from vibrating or jumping during fast sewing.
- Thread Tension Control: The shuttle housing has a small screw on its side, a vital feature that allows you to adjust the tension of the shuttle thread. This ensures that the stitch is perfectly balanced between the upper and lower threads.
Usage Method
- Setting Up
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