Motion Control
Stepper Motors and Step Motor Controllers
  The Motion Group, Inc.



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CNC Retro Kits
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step motors
American Made
Digital CNC

Machine Control Retrofit kits

TMG's Digital-CNC is a 2 or 3 axes positioning system which translates G&M codes from your personal computer into step motor motion; +/- zero steps. Digital-CNC is intended for mills, mill/drills, lathes, light machines, routers and other industrial motion applications such as glue dispensers, gasket cutters, sign makers and sharpeners. This FN style CNC system is a complete ready-to-step retrofit and includes motors, cables, aluminum-case drivers with power supplies, limits, optical home sensors and CNC software disk.

The CNC electronics is available in three basic packages packages.
The ENC 2.0x3-80/140 ("Engraving Model")is a single enclosure (7"x11"x2") containing the translator, 3 drivers and supply operating at 40 VDC at 2 amps/coil maximum. With 80 or 140 in/oz motors. This unit is intended for smaller mills suited for engineering modelling or hobby work. The CNC 2.0x3-230 is the same system with a 230 in/oz. motor set. The CNC 2.0x3-230 is currently being used on benchtop mill/drills, full sized Tree and Bridgeports, and the most common inexpensive 3-in-1 combination machines. The CNC 4.0x3-750 is a 4 Amp system in a slightly larger enclosure with a full 750 in/oz motor set. This is our high torque - low cost system. For even more power consult the factory (servo available). Standard System configuration is Quarter step with 1.8 degree motors for 800 steps/rev (other configurations available). All systems are protected from under-volts, over-volts, over-temperature and over-current. No cooling fans are required. A major safety feature is the abort loop which stops all motors if any limit switch is opened.


The CNC software includes milling, drilling and letter engraving routines. Additional features are a DFX translator which translates DFX files from CAD systems to G-code files, a backplotter which plots G-code files on the computer display and a text editor which can create or modify these files. Examples and exercises are included. The CNC also supports manual entry of G-code commands from the computer keyboard. The X, Y, and Z readouts are displayed as well as each command as it is executed. All machine parameters such as speeds, resolution, scaling and backash are programmable. This is a DOS program!

- Download - [DLX2000.zip]
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cnc controllers

Digital-CNC retrofits require a computer (DOS clone) with the LPT1 printer port. Programming ability, CAD package or Windows is not necessary. However, computer and CNC machine experience is recommended. Motor mount fabrication and limit switch mounting is required. This system does not support encoders and must be operated within the speed and power range of the motors. Operation at +/- steps, with automatic backlash compensation requires that the optical home sensor package be installed.
The Motion Group, Inc. P.O. Box 669 Clovis, CA 93613-0669     © 1996 - 2007 All Rights Reserved-