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The alternating
vertical movement mechanism prevents irregular stitches. |
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The machine has adopted a new mechanism that does not change
the ratio of alternate vertical movement of the walking foot and presser foot
even when the material thickness changes. |
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Even when a heavy material is used, the presser foot lift
does not decrease. This means that the presser foot comes into contact with
the
material at exactly the same time that it does when sewing lighter-weight sections
of the material. As a result, the walking foot retains the material with a consistent
pressure to prevent irregular stitches. |
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The amount of the alternating vertical movement of the walking
foot and presser foot can be adjusted up to the maximum of 6.5mm according to
the height of multilayered portions of material. |
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Consistent
seam quality. |
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With the adoption of a new rectangular feed mechanism, an alternating
vertical movement mechanism, and a unison-feed mechanism, the machine can feed
heavy materials powerfully and smoothly. Well tensed seams are consistently produced
without pitch errors. |
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With its maximum stitch length of 9mm, the machine can be applied
to a broader range of uses. |
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