Miswind

Furthermore, it will help to prevent ribbon failures because of miswinding, etc. which result from distortion of the fabric when one side of the ribbon receives more wear than the other.

New protection for the film itself with cartridges that thread automatically, are permanently labeled, never miswound or misfiled.

There is no need to touch the film, so it is protected from dirt, fingerprints, wear and tear, and from unwinding or miswinding.

Miswinding a layer ( i.e., not having the same number of turns in each layer ) will also result in an error on the order of Anₒ .

It should be noted that power was not shut off gradually as with the Ward-Leonard system, the essential difference being that, with the Ward-Leonard system, the gradual shutting-off of the power was a natural part of the operation of each wind; whereas, with the three-phase engine or with the steam-winder it was rather to be regarded as an emergency application, and consequently there were certain advantages in impressing this fact on the driver's mind by making him have to reset the trips after a miswind of this nature .

If one should get a miswind it is then possible to get the film out, in the darkroom, and start again.

The cobwebbed wound yarn may slough off at the nose, but such a miswind definitely means broken thread when it occurs at the base.

Inferior fabrics can cause miswinds and jam ups which can impair the proper functioning of the machine through breakage and misadjustment, bringing on costly repairs and unnecessary maintenance.