17″ CNC Benchtop Lathe System Package C

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Product Description

About Sherline CNC Benchtop Lathes

Our CNC benchtop lathe is perfect for the customer looking for a mini CNC lathe to make small, precision parts. All our lathes are made in the USA, and our customer service is second to none. Although our machines are small, they can produce high-quality precision parts. Our CNC lathe will not only cut wood and plastic but is also rigid and accurate enough to cut aluminum and steel parts. This lathe is a desktop-size machine with full-size machine precision and accuracy.

The CNC Benchtop Lathe Package includes:

  • 17″ benchtop lathe with two stepper motors fitted to stepper motor mounts on the leadscrew and crosslide axes (The tailstock spindle remains manually controlled)
  • A computer with Ubuntu Linux-based OS with LinuxCNC 4-axis CNC software installed
  • Keyboard and mouse
  • 4-axis driver board and power supply installed inside the computer
  • Computer cables to the X- and Z-axes are 69″ in length
  • Instruction and utility CD. The CD includes complete instructions, and several free utilities to translate CAD files or TrueType fonts into G-code.
  • A blank, 4GB USB flash drive
  • 1-year warranty on all components for non-production use. 90-day warranty on CNC and computer-related components.

You supply only a monitor.

Sherline CNC Specification Links

NOTE: Depending upon availability, the actual computer supplied with the system may look different than shown above.

Standard equipment for the CNC Benchtop Lathe includes:

  • A powerful 90V DC motor with electronic speed controller
  • 2.75″ (70mm) x 6.0″ (152mm) crosslide
  • 24″ (610 mm) steel bed that has 17″ (431 mm) between centers
  • 2.5″ (63 mm) resettable, zero adjustable handwheel on the leadscrew, a 2″ (51 mm) resettable, zero adjustable handwheel on the crosslide feed screw, and a 2″ (51mm) resettable, zero adjustable handwheel on the tailstock. Each handwheel has laser-engraved aluminum handwheel collars
  • Rocker tool post (P/N 3057) 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

The C 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
  • Compound Slide
  • Rear Mount Cutoff Tool and Holder
  • 3-pc 1/4″ HSS Cutting Tool Set (LH, RH, Boring)
  • 5/32″ Sherline hex T-driver
  • 3-pc Center Drill Set
  • Thread Cutting Attachment
  • Sherline Accessories Shop Guide

NOTE: The instructions that accompany Sherline CNC systems are written primarily for use with a mill, but due to a number of requests, we have made the system available for lathe users as well. The primary consideration when using the system with a lathe is to keep in mind that movement of a tool on the crosslide axis removes material from the RADIUS of the part, resulting in two times that amount being removed from the DIAMETER.

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The improper use of machine tools and their accessories can result in serious injury. Before using this tool, thoroughly read the instructions and make sure you understand its proper and safe use.

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Always wear safety glasses when operating machine tools.


Download PDF Assembly and Instruction Guide

Instructions PDF Download

Download PDF DRO Instructions

Instructions PDF Download

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
Spindle Runout of Morse Taper .0005″ or less
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 36.00″ (914 mm)
Width Overall 11.25″ (286 mm)
Height Overall 8.00″ (203 mm)
Shipping Weight 69 lb. (31.4 kg)
Motor 90 volt DC with electronic speed control that accepts any incoming current from 100 VAC 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
CNC stepper motor holding torque 136 oz-in
Maximum CNC travel speed, X and Z 22 inches/min

8440-Series CNC Benchtop Lathe-Machined Base

Click on the link for the exploded view of the 8440-Series CNC Benchtop Lathe (2024) to help identify replacement parts.

8440-Series CNC Benchtop Lathe-Cast Base

Click on the link for the exploded view of the 8440-Series CNC Benchtop Lathe to help identify replacement parts.

If you are still uncertain please call our customer service representatives for help with this item.

Click the P/Ns below to download a zipped version of the IGS 3D CAD file. You will need to extract the zip file before viewing the files.
8440 Series 17″ CNC Lathe w/Stepper Motors 3D IGS model
You need an IGS viewer to open .igs files. CLICK HERE to download a FREE IGS viewer.

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 2,800 RPM 70 to 2,800 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)
Motor Specs
Input voltage 100 to 240 VAC, 50 or 60 Hz
Output to motor 90 VDC
Current draw .5 to 15 amps, depending on the load
No-load output shaft speed 6000 RPM (no pulley)
Click here for more detailed specs
Spindle 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
If you are working with brass or wood, we suggest you use the toggle switch dust cover to protect the life of your motor & speed control.

The MASSO G3 CNC controller, power supply, stepper motors, cable system and optical encoder are sold as a part of our Accu-Pro line of machines and are not available for purchase separately or as an upgrade option to existing machines.