Advice DC motor for Arrand spindle

[mike robinson 2Participant @mikerobinson2]

I have acquired a nice Arrand milling / drilling spindle with a 1MT taper and I will mount this on my Myford. The chuck capacity is 6mm and the ER11 collets go up to 7mm. With my Myford dividing head mounted on the lathe spindle I can already index successfully and with the Arrand spindle I will be able to machine cross holes or radial slots without removing parts from the chuck.

I would appreciate guidance on the motor size, I think 120-150 Watts is enough (24V 7 Amp) and with PWM speed control I won’t lose torque at lower speeds. I prefer a “quality” motor to minimise noise and vibration. All recommendations for motor, PWM and power supply appreciated. Thank you….

[Roderick JenkinsParticipant @roderickjenkins93242]

Hi Mike,

I’ve used a 120W sewing machine motor which works fine but the foot control is a little awkward.  Be sure to order the correct rotation direction.

 

I think this is a better solution which I use on my home made tool post spindle

 

https://www.ebay.co.uk/itm/256130971430?hash=item3ba2987726:g:zhoAAOSwV6VfU9NI

 

Hope this helps,

Rod

 

 

[mike robinson 2Participant @mikerobinson2]

Hi Rod, really appreciate the effort in your response and your photos, I had also found the same Ebay listing but seeing your installation has given me the confidence, thank you!

[Author]

Posts