The digital readout box on this Model 5400 mill displays the position of each axis to .0005" plus it reads out spindle RPM. (Click on photo for larger image.)
Sherline mills can be retrofitted to include a digital readout. Mills can also be ordered new with factory installed digital readouts. This not only saves you the installation time, it saves a little money too, as you don’t pay for any of the parts like standard handwheels that are replaced in the DRO upgrade.
The
purpose of a digital readout...
Digital readouts are now commonly found on most machine shops because they help reduce errors. It is easy to lose track of the number of handwheel rotations on longer travels, but that is not necessary with a DRO because you are working from or to a particular dimension on the readout. The digital readouts are applied to the X, Y and Z axes. The sensors read handwheel rotation and electronically translate that into table movement on a digital display that reads out to the nearest .0005”. Backlash can be compensated for electronically, also to within .0005”. The position of any axis can be reset to zero at any time with the push of a button. Because the movements on a machine of this size are relatively small and the precision rolled leadscrews are highly accurate, this is system works very well while keeping costs down. In addition to reading the travel of all three axes, the readout box also provides a continuous readout of spindle RPM.
Note: The DRO was not designed to provide a closed-loop system when used in conjunction with CNC; however, it can be adapted to fit on the rear shaft of stepper motors for manual use. See the DRO on CNC page for installation instructions.
|
P/N |
Shipping Wt. | Price |
| 5000DRO/5100DRO | 38 lb. | $1025.00 |
| 5400DRO/5410DRO | 41 lb. | $1120.00 |
| 2000DRO/2010DRO | 48 lb. | $1340.00 |
READ INSTRUCTIONS FOR SETTING UP A LATHE OR MILL
READ INSTRUCTIONS FOR USING A MILL
READ INSTRUCTIONS FOR INSTALLING AND USING A DRO
Mills can now be purchased packaged with a preselected group of accessories. See the page on PACKAGE DEALS. Save time and money by buying a package.
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