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Lathe Digital Readout (DRO)
Lathe Digital Readout (DRO)

Product #: 8200/8210/8215/8220/8225/8260

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Most full-size shop mills used by machinists are now available with a digital readout. They are also popular on lathes because they make your life as a machinist much easier. Readouts on the X- (crosslide) and Z-axes (leadscrew) can be reset to zero at any time with the push of a button. From there, as you move the handwheels, you can read the table movement to 3-1/2 decimal places (.0005") on the digital readout. (Metric versions read to .01mm.) You no longer need to count handwheel revolutions or make difficult calculations when cranking in a negative number.

As long as we were designing the electronics package, we went the extra step to include an RPM readout, adding an additional function to the package. The sensors are easy to install and require no modification of your Sherline lathe.

If you use your lathe as a mill with the vertical milling column attachment, you can purchase a 3-axis DRO kit for the lathe (P/N 8210/8215). If you add a 2-axis DRO to your lathe now and later purchase a vertical milling column, you can purchase a kit to add the third DRO handwheel and sensor at that time (P/N 8240/8245). New lathes can be ordered with the DRO already installed. See the LATHES section for details.

As a cost-saving measure, accommodation has also been made for owners of both a lathe and mill to use a single electronic display box for both machines. The input cables from the lathe can be unplugged and the readout box transferred from the lathe to the mill and vice versa. Depending on which machine you already have fitted with a DRO, ask for the upgrade for the other machine that allows you to use your existing box. See P/N 8220/8225 if you already have a mill with a DRO. See P/N 8210/8215 if you already have a lathe with a DRO.

Replacement Parts - 

81010  Mill DRO box and electronics (w/ power supply)
81320  Crosslide handwheel, inch (81322, metric)
81330  Leadscrew handwheel, inch (81332, metric)
81100  Encoder housing w/ wheel and cable
81110  Encoder housing upper cap
81120  Encoder housing body
81130  Encoder housing lower cap
81300  Crosslide thrust collar
81508  Leadscrew thrust collar
81280  #2 x 3/8” Self-tapping pan head screw
81270  2-56 x 3/8″ pan head Phillips screw
81500  Tachometer encoder & cable asby.
81510  Tachometer pickup decal
40440  #2 x 1/4” Self-tapping pan head screw
81310  Encoder star gear
81080  Black tie-wrap (NOT sold seperatly as it's a standard zip tie)
81050  115 VAC Power supply/transformer 
81150  Stand for readout display box 
41050  Z-axis support screw (not shown)

Download PDF Assembly and Instruction Guide

Instructions PDF Download



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