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spring and tighten the clamping screw. If the force increases, loosen the
set screw. The clamping force of the clamping spring decreases. After the
adjustment is completed, tighten the set nut (Figure 14)
Note: Please be able to clamp the upper decorative line range, try to adjust
the clamping force to a lesser extent!
图14
3、上切刀组高度及角度的调整
当动刀往下运动，并运动到最低点时，动刀需在喂针与机针中间位置，动刀尖与压
脚间距2-3mm，可通过调节紧定螺钉3和紧定螺钉4来调节安装板左右位置，从而
调节上切刀组的角度，使动刀在机针和喂针中间（图15），动刀勾尖与喂针勾尖
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