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1. SPECIFICATIONS
１-２-１. Measuring tension
Upper thread tension Lower thread tension
3564Q 3565Q
Thread take-up spring height Thread take-up spring tension
Measure the value when the thread take-up
spring starts to extend.
1–2 mm
3566Q
3567Q
* When the spring height (stroke) is great or the spring tension is insufficient, it may cause the thread end length to vary after
thread trimming.
KE-430B, 430C series
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