Upgraded DRO Chip
Beginning August 1st, 2021, all DROs will ship with an upgraded chip. This new chip upgrade allows our Digital Readout to function with our ball screw machines as well as our standard leadscrew machines. We also programmed some upgrades based on customer feedback, like using Metric on Inch machines and using Inch on Metric machines.
The new DRO chip has six different modes to choose from based on the machine type, e.g., mill, lathe, leadscrew, or ball screw, and your preference of either inch or metric display on the DRO.
For more detailed information on setting up the modes for DRO, please see the DRO Mode Instructions.
NOTE: You must make sure you have the correct RPM tach sticker for your machine. Use a 6-pulse (P/N 81510) tach sticker if your machine is a leadscrew machine or a 5-pulse tach sticker (P/N P/N 87860) if your machine is a ball screw machine.
About the Sherline DRO Lathe
Any Sherline lathe can be ordered with a digital readout installed. Special handwheels with built-in encoders are installed in place of the standard handwheels on the crosslide and leadscrew. These handwheels are connected to a display box that translates handwheel rotation into a readout of table position to within .0005″ (or .01 mm). In addition, a constant readout of spindle RPM is displayed.
The advantage of a digital readout is that you no longer need to count handwheel rotations when moving distances longer than a single revolution. This helps eliminate math errors. The large, easy-to-read display reads out to 3 and a half decimal places to give accuracy to within .0005″. The display for each axis can be reset to zero at any time with the push of a button. Backlash values can be set for each axis in the programming so that backlash is electronically eliminated when changing direction of handwheel rotation. A third axis is available on the display box should you later decide to add a vertical milling column or use it on a Sherline 3-axis mill. The readout can function with inch or metric lathes. In the metric mode, the position reads out to 1/100 of a millimeter.
220-240 Volt Electrical Current
The DRO power supply automatically switches from 120V to 240V for countries with 220-240 volt electrical current.
Standard equipment for the DRO lathe includes:
- A powerful 90V DC motor with electronic speed controller*
- 2.75″ (70mm) x 6.0″ (152mm) crosslide
- 24″ (610mm) steel bed that has 17″ (431mm) between centers
- Digital readout box with LCD display, RPM sensor, power supply, cables, stand, and all necessary mounting hardware. No hole drilling is required.
- Special handwheels are supplied with DRO machines. These handwheels can be reset to zero electronically with the push of a button on the DRO display box. Sherline DRO lathes are outfitted with the special DRO 2″ (51mm) handwheels on the leadscrew and crosslide feed screw, and a 2″ (51mm) resettable “zero” handwheel on the tailstock. Each handwheel has laser-engraved aluminum handwheel collars.
- Rocker tool post substituted for the standard tool post used on the short bed lathes
- Pulleys, drive belt, faceplate, lathe dog, two dead centers, three hexagonal keys, tool post, sharpened high-speed steel cutting tool, eight-foot three-wire power cord, and instruction manual.
* Not included with lathe without motor and speed control
NOTE: The unit does not translate dimensions from inch to metric. It must be initialized to work with the pitch of the leadscrew to which the handwheel is attached.
The B Package includes:
- 3.1″ 3-jaw self-centering chuck
- 3/8″ tailstock drill chuck w/ key, #0 Morse arbor, #1 Morse arbor with drawbolt
- Steady rest
- Live Center
- Rear Mount Cutoff Tool and Holder
- 3-pc 1/4″ HSS Cutting Tool Set (LH, RH, Boring)
- 5/32″ T-driver
- 3-pc Center Drill Set
- Sherline Accessories Shop Guide Book
Other ordering options:
Similar to the XYZ bases for our mills, you can now order the lathe without the headstock, motor, or speed control. Please see the selections in the drop-down menu above.
Always wear safety glasses when operating machine tools.
|Swing Over Bed||3.50″ (90 mm)|
|Swing Over Carriage||1.75″ (45 mm)|
|Distance Between Centers||17.00″ (430 mm)|
|Hole Through Spindle||.405″ (10 mm)|
|Spindle Nose Thread||3/4″-16 T.P.I.|
|Spindle Nose Taper||#1 Morse|
|Travel of Crosslide||4.25″ (110 mm)|
|Tailstock Spindle Taper||#0 Morse|
|Protractor Graduations||0° to 45° by 5°|
|Handwheel Graduations||.001″ (.01 mm)|
|Length Overall||32.5″ (826 mm)|
|Width Overall||8.00″ (267 mm)|
|Height Overall||8.00″ (216 mm)|
|Shipping Weight||36 lb. (16.4 kg)|
|Motor||90 volt DC with electronic speed control that accepts any incoming current from 100VAC to 240 VAC, 50 Hz or 60 Hz.
Click here for motor specifications
|Spindle Speed Range||70-2800 RPM continuously variable by electronic speed control|
4400-Series Manual Lathe
Click on the link for the exploded view of the 4400-Series Manual Lathe to help identify replacement parts.
If you are still uncertain please call our customer service representatives for help with this item.
|4000 (4100)||4400 (4410)|
|Swing over bed||3.50″ (90 mm)||3.50″ (90 mm)|
|Swing over carriage||1.75″ (44.5 mm)||1.75″ (44.5 mm)|
|Distance between centers||8.00″ (200 mm)||17.00″ (430 mm)|
|Hole through spindle||.405″ (10 mm)||.405″ (10 mm)|
|Spindle nose thread||3/4-16 T.P.I.||3/4-16 T.P.I.|
|Spindle nose taper||#1 Morse||#1 Morse|
|Spindle runout of Morse taper||0005″ or less||.0005″ or less|
|Travel of crosslide||4.25″ (110 mm)||4.25″ (110 mm)|
|Tailstock spindle taper||#0 Morse||#0 Morse|
|Tailstock spindle travel||1.75″ (44.5 mm)||1.75″ (44.5 mm)|
|Protractor graduations||0° to 45° by 5°||0° to 45° by 5°|
|Handwheel graduations||001″ (.01 mm)||001″ (.01 mm)|
|Handwheel type||Standard Handwheels||Zero Adjustable Handwheels (With the exception of DRO machines which come with DRO handwheels)|
|Electronically controlled spindle speed range||70 to 2800 RPM||70 to 2800 RPM|
|Length overall||23″ (584 mm)||32.5″ (826 mm)|
|Width overall||10.25″ (260 mm)||10.55″ (267 mm)|
|Height overall||8″ (203 mm)||8.5″ (216 mm)|
|Shipping weight||24 lb. (10.9 kg)||30 lb. (13.6 kg)|
|Input voltage||100 to 240 VAC, 50 or 60 Hz|
|Output to motor||90 VDC|
|Current draw||.5 to 15 amps depending on load|
|No-load output shaft speed||6000 RPM (no pulley)|
|Click here for more detailed specs|
|Spindle End play (factory
adjustment of preload)
|.0002″ (.005 mm) or less, normal pulleys|
|Runout at nose||.0005″ (0.013 mm) or less|
|Bearings||Two 20 mm lifetime lubricated ball bearings with adjustable preload|