Ultramatic 400 embroidery manual

Computerized Embroidery and Sewing Machine -

A thread take-up arm drive means for a multihead embroidery machine in which identical heads have automatic color change capability such that the color thread stitched on the plurality of embroidery heads is changed substantially simultaneously. The multiplicity of gears are subject to wear and slippage over time, and the thread take-up arms are subject to backlash movements during decoupling.

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A sliding carriage associated with each head contains a plurality of associated color stitching sets of thread take-up arms and needle bars. Consequently, the threads are subjected to variable tensions that weaken the thread and result in uneven stitches in the workpieces.

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A thread take-up arm drive means for a multihead embroidery machine in which identical heads have automatic color change capability such that the color thread stitched on the plurality of embroidery heads is changed substantially simultaneously. An additional problem is that heads located furthest from the drive cam may not move in synchrony with the closer heads because of mechanical flexure inherent in the one or more connecting shafts, thus creating distorted and non-uniform patterns on the several workpieces.

Embroidery Machines PRS100 - Brother

A sliding carriage associated with each head contains a... The problem with the Bolldorf multihead and multicolor embroidery machines is that the coupling and decoupling means for driving the plurality of thread take-up arms are mechaniy complicated.


Ultramatic 400 embroidery manual:

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