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Harold Hall

Workshop Processes

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To overcome the problem the saddle has to be moved away from the cutter to allow the cross slide to be traversed so that the second surface can be reached. Having moved the saddle there is then a problem to return it so that the second face is machined at exactly the same level, but if the saddle stop is used it will be  easy to achieve the required result. This is a typical case where setting up the stop may result in the task taking longer to complete, the benefit being that the two surfaces will be at the same level with absolute certainty.

 

Calibrated Saddle Stops

Designs are available for saddle stops having calibrated adjustment rather than the simple screw seen in the photographs and whilst useful very occasionally the simple stop will be more than adequate for the majority of the tasks for which a stop can be used. There is though one exception and that is if the reader possess one of the smaller lathe's that do not have a top slide fitted, in this case a calibrated stop would be more worthwhile, though even here not absolutely essential.

 

An even more advanced saddle stop is one having a turret enabling the saddle to be stopped at more than one position but these are only worthwhile if the reader frequently finds it necessary to make batches of small and quit complex components.

 

A Simple Saddle Stop Photograph 8.

This is the one seen in the photographs and being used on a Myford Series Seven lathe. The details for making this are included in the projects section. However, it would be easy to change the dimensions for other flat bed machines. Suggestions are also included as to how the simple design can be easily modified for use on a lathe bed having a Vee form .  

 

The above illustrates a number of tasks that will benefit from using a saddle stop and whilst there are very many more most can be set up using techniques similar to those described.

Lathe Saddle Stop, simple
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