17″ Leadscrew Benchtop Lathe-Acorn CNC

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3 to 4-week lead time

Ordering options:

Use the selections in the drop-down menus below to configure your machine.
(Click the Options tab below for more information on the configuration options and accessory packages.)

Clear selection
    Reset options
    Accessory Package
    Optional Chuck Upgrade
    Upgrade the 3.1" chuck that comes with the package to a different chuck
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Product Description

About the CNC-Ready Leadscrew Benchtop Lathe

Sherline CNC-ready lathes have factory-installed stepper motor mounts in place of the handwheels and are ready to apply 23-frame size stepper motors and computer numeric controls (CNC). Handwheels for each axis are included with the machine, although you can’t use them until you install stepper motors. Sherline offers high-quality stepper motors and CNC options. Sherline recommends using dual-shaft stepper motors to apply handwheels to the rear shaft for manual control.

The machined base of this lathe replaces the cast base for our leadscrew lathes. The design is based on our ball screw lathe base. The base is wider for better stability and more rigid than our cast base. It is interchangeable with older 17″ benchtop lathes, and it is available as a replacement part for the 24″ cast base.

Our CNC-ready 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 cut wood and plastic and is rigid and accurate enough to cut aluminum and steel parts. This lathe is a desktop-size machine with full-size machine precision and accuracy.

Connecting your CNC-Ready Lathe to a Controller

Once you have the machine, you will need to attach stepper motors, a CNC driver, and a CNC controller. Sherline offers the following options to connect your ball screw lathe to a CNC controller:

*NOTE: The Linux PC includes a mouse and keyboard (a monitor is not included). However, you must provide your own computer for the Acorn Controller.

Ordering options:

Use the selections in the drop-down menus above to configure your machine. The Options tab above provides more specifications on each option and accessory package.

Standard equipment for the CNC-ready 17″ Benchtop Lathe includes:

  • A powerful 90V DC motor with electronic speed controller*
  • Standard headstock: #1 Morse taper with 3/4 x 16 external spindle thread (Option to upgrade headstock above)
  • The base is a solid 28″ x 5″ x 1/2″ 6061 aluminum plate, and the headstock and tailstock mounts are solid, machined 6061 aluminum.
  • The lathe saddle has internal oiling ports incorporated to keep the lathe bed dovetail areas lubricated.
  • 2.75″ (70mm) x 6.0″ (152mm) crosslide
  • 24″ (610mm) steel bed that has 17″ (431mm) between centers
  • 2.5″ (63mm) resettable, zero-adjustable handwheel for the leadscrew, one 2″ (51mm) resettable, zero-adjustable handwheel for 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 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 a lathe without motor and speed control.
**CNC machines cannot be operated manually unless double-shaft stepper motors are installed.

Below are all of the configuration options for our Ball Screw Lathe. Click the More Info links on any of the products for more detailed descriptions and specifications.

Headstock Options:

Standard #1 Morse Headstock.
More info…

#1 Morse Electroless Nickel-Plated Spindle Headstock.
More info…

30113 3C Collet Headstock

3C Collet Headstock.
More info…

ER-16 Collet Headstock.
More Info…

9/16″ Headstock.
More Info…


Stepper Motor Options:

67127 stepper motor

Standard Stepper Motors.
More Info…

High-Torque Stepper Motors.
More Info…


Accessory Packages:

A Package includes

C Package includes

Below are all of the configuration options for our Ball Screw Lathe. Click the More Info links on any of the products for more detailed descriptions and specifications.

Headstock Options:

Standard #1 Morse Headstock.
More info…

#1 Morse Electroless Nickel-Plated Spindle Headstock.
More info…

30113 3C Collet Headstock

3C Collet Headstock.
More info…

ER-16 Collet Headstock.
More Info…

9/16″ Headstock.
More Info…


Stepper Motor Options:

67127 stepper motor

Standard Stepper Motors.
More Info…

High-Torque Stepper Motors.
More Info…


Accessory Packages:

A Package includes

C Package includes

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 32.5″ (826 mm)
Width Overall 8.00″ (267 mm)
Height Overall 8.00″ (216 mm)
Shipping Weight 31 lb. (14.1 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 CNC-Ready Benchtop Lathe-Machined Base

Click on the link for the exploded view of the 4400-Series CNC-Ready Benchtop Lathe (2024) to help identify replacement parts.

4400-Series CNC-Ready Benchtop Lathe-Cast Base

Click on the link for the exploded view of the 4400-Series CNC-Ready 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.
4400-Series 17″ CNC-Ready Benchtop Lathe 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.