CNC Linear Controller with 15″ Leadscrew

This linear controller package includes a stepper motor mount and a 15″ leadscrew for use on Sherline lathes that are not CNC-Ready. The stand-alone controller is programmable through its integrated keypad and directly controls the attached stepper motor, which is mounted to drive the lathe’s leadscrew. (A separate kit with a 24″ leadscrew is available for 4400-series lathes—P/N 8880.)

An 8-pin mini-DIN cable allows multiple controllers to be connected in a “daisy-chain” configuration. The controllers can signal each other to operate in sequence, enabling complex multi-axis operations without the need for a computer or master CNC controller. The system can also be used in conjunction with existing CNC controllers. Each unit can store two separate programs, with up to 40 steps per program. For each step, you can define travel distance, direction, feed rate, and whether the sequence pauses or advances automatically.

The linear controller can also be daisy-chained with Sherline’s rotary controller (P/N 8700), allowing coordinated rotary and linear motion. This makes it easy to perform sophisticated operations—such as gear cutting—without any CNC programming knowledge beyond the keypad interface.

Advantages of Using a Power Feed:

  • Maintains a constant feed rate for smoother, more consistent surface finishes

  • Minimizes errors from miscounting handwheel revolutions

  • Eliminates physical effort during long cuts or when returning the saddle to the starting position

Programming is simple and intuitive. Stored programs can be run repeatedly at the push of a button with excellent repeatability and accuracy.

Included with the CNC Linear Controller:

  • Linear controller with keypad

  • Power supply

  • #23 frame size stepper motor

  • Cables

  • Stepper motor mount

  • 15″ leadscrew

  • Dampened coupling

  • Preload nuts

  • Drill guide block

  • Complete installation and operating instructions

Power Supply Compatibility:
The included power supply operates on 110–240 VAC and automatically adjusts for global use (220–240V). Earlier models of this product shipped with a 110 VAC-only power supply.

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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.

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