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

 

 

1–2 mm

 

Measure the value when the thread take-up

 

3566Q

spring starts to extend.

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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