Turning Archive 2005

Subject:
lathe motor mount help needed

Mike L in Trabuco Canyon, CA
>Hi all,

A few weeks ago, I picked up a 1972 vintage Delta/Rockwell 46-111 gap bed lathe. It is mounted on a home-made stand with the motor mounted on a shelf below the headstock. The lathe speed is changed by a step pulley system, however, since the motor is rigidly mounted to the stand, moving the belt between pulley sets is very difficult.

To overcome this, I plan to build a hinged platform for the motor where the motor's weight is supported by belt tension. Before I proceed, I'm wondering about proper alignment between the motor pulleys and the lathe pulleys. What kind of tolerance for that alignment is necessary? Also, are there any other items I need to be concerned with? Finally, does my approach sound appropriate (or even necessary)? TIA!

Regards,
Mike

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