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Acorn CNC control kits now In-stock and now shipping Acorn CNC controk kits with both Mill and Lathe CNC Software.
Centroid "Acorn" Step and Direction CNC Controller kit: a 4 axis CNC control with built-in motion control cpu.

A reliable, high performance, industrial quality CNC control at a do-it-yourself price. Acorn utilizes an integrated 1Ghz ARM Cortex A8 Motion Control CPU and communicates with CNCPC via a fast and reliable Ethernet connection. The Acorn CNC control board controls a wide variety of axis motors and drives with industry standard step and direction command signal. Perfect for many types of machine tools such as: CNC milling machines, a wide variety of CNC routers, Plasma, Flame and CNC lathes to 3D printers and other specialty applications. Compatible with small to large axis motors of all types and can be used with most any AC brushless servo motor drive packages such as: DMM, Delta, Estun, Teco, Teknic, Yaskawa and others. Any drive that accepts step and direction commands. Most all stepper motor drives are compatible with the Acorn board such as the popular Gecko line of stepper drives. Acorn runs on Centroid proven industrial quality Mill or Lathe CNC control software.
Acorn CNC controller board overview
view PDF
 
Acorn CNC control kit     Acorn CNC controller kit $265 (Introductory pricing!)
Acorn kit includes Centroid "Free" CNC Mill and Lathe CNC software!
   
Acorn CNC controller kit
   

Centroid Acorn CNC controller kit (part # 14455) includes:
- Acorn CNC control board
- 24 VDC logic power supply (50/60 Hz 100-120 VAC OR 208-240 VAC input power)
- Logic power supply hookup leads
- 110 VAC power cord
- 15’ Shielded Ethernet cable
- "Centroid Free CNC" Mill and Lathe software with Touch Screen Operator controls
- DIY self service CNC support thru Centroid Community CNC Forum which is Centroid   Technician monitored and maintained.
- Optional Factory Direct Technical Support: $90/hr.
(Note: for the best operator experience a LCD Touch Screen Display is strongly suggested.)

     
Centroid Mill CNC Software License Upgrades

Centroid Mill Pro CNC software

Centroid Mill "Pro" CNC software $99 (#14457)
 
 

Upgrade to Centroid Mill "Pro" CNC12 from the Free version that is included with each Acorn kit.

- 4 axis G-code moves
- 4th axis motor pairing with any other axis
- Full version of Intercon conversational programming
- 4th axis conversational programming
- Rigid Tapping
- Six WCS locations (G54 thru 59)
- Large 4mb Gcode file size
- Tool Library with 200 tools
- Auto Tool Measure on Tools 1-5
- Menu driven Center of Bore and Single Edge probing cycles
- BCD Tool Changer Output
- All features of the CNC12 Free are included

 

     
Centroid Ultimate CNC control software Centroid Mill "Ultimate" CNC software $499 (#14458)
 

Upgrade to Centroid Mill "Ultimate" CNC12 from the Free version that is included with each Acorn kit.

- 2D and 3D Digitizing
- Unlimited Auto Tool Height Measurement
- Full set of menu driven Probing cycles (Bore, Single Edge, Web, Slot, Inside corner, outside corner)
- Unlimited G code file size
- Eighteen WCS locations (G54 thru 59 plus 12 more)
- Menu driven Center of Bore and Single Edge probing cycles
- Menu driven Auto Coordinate System Rotation with Probe
- 4 axis simultaneous motion
- All features of the CNC12 Free and Pro are included

     
Centroid "Pro" Lathe CNC software license
Centroid Pro Lathe CNC software Centroid Lathe "Pro" CNC software $99 (#14571)

Upgrade to Centroid Lathe "Pro" CNC12 from the Free version that is included with each Acorn kit.

- Threading (requires spindle encoder)
- Rigid Tapping (requires spindle encoder)
- Feed per revolution (requires spindle encoder)
- Constant Surface Speed
- BCD Tool Changer Output
- 99 Tools
- Full version of Centroid Lathe Intercon Conversational Programming software:. Auto profile cleanout, grooving, cutoff, chamfer, turning, end face turning, threading and more.
- All features of the CNC12 Free are included

 
  Video of Acorn CNC Single point threading, rigid tapping, profiling, encoder feedback, conversational programming on our in house CNC Lathe test mule.
 
     
 

Acorn CNC controller Hookup Schematics
Centroid Free CNC Mill and Lathe Software Download ( Acorn cnc controller must be powered and connected to CNCPC when installing this software! See this page for install videos)
(Includes: Centroid Free CNC, G-Code Editor, Intercon Conversational Software,Touch Screen Active Operator Control Panel, Acorn CNC configuration Wizard)
Acorn CNC Controller Specifications Manual
Acorn CNC controller Install Quick start Guide
Centroid Mill Operator Manual (Part setup,Tool setup,Running a Job,Utility Menu, Digitizing, Probing, Intercon, Program Codes,,Gcodes,Mcodes,CNC Configuration)
Centroid Lathe Operator Manual
CNC Community Support Forum
Acorn CNC controller buyers FAQ

 
     
         
 
Centroid Acorn CNC Miil and Lathe Software Levels
Features
Acorn Free
Acorn Pro
Acorn Ultimate CNC
Cost Free Mill Pro $99, Lathe Pro $99 Mill Ultimate $499
Mill and Lathe Intercon Conversational programming Limited to 20 blocks of conversational Unlimited Unlimited
G-code program size Limited to 50Kb G-code file size 4Mb G-code file size Unlimited G-code file size
Work Coordinates Systems (WCS) One (G54) Six (G54-G59) Eighteen (G54-G59 plus extended WCS)
Menu driven Probing cycles Center of bore Center of Bore and Single Edge find Complete Set of menu driven probing cycles. Bore, Boss, Slot, Web, Inside Corner, Outside corner, Single edge find, find angle, auto probe for CSR
Menu driven Digitizing cycles Grid, Radial, Contour, Wall following, limited to 2500 points Grid, Radial, Contour, Wall following, limited to 2500 points Unlimited point Grid, Radial, Contour, Wall following
Auto Tool Height Measurement Unlimited auto measure on:
Reference Tool, Tool 1 and Tool 2
Unlimited auto measure on:
Reference Tool, Tools 1-5
Unlimited auto measure on all tools.
Coordinate System Rotation Manual Manual Automatic and Manual
Tool Library 10 Tools 200 Tools, (99 Tools Lathe) 200 Tools Mill, 99 Tools Lathe
Sub Programs and Macros (M98 & G65) Included Included Included
Cutter Compensation Included Included Included
Backlash Compensation Included Included Included
Screw compensation (laser or manual!) Included Included Included
3 axis simultaneous Included Included Included
4 th Axis linear or rotary conversational programming. limited to 20 blocks of Intercon Unlimited Unlimited
4 axis simultaneous motion Jog 4th axis with Jog Keys Move any two axes in combination with 4th axis simultaneously Included, move any three axes in combination with 4th axis simultaneousy
Operate as a 2 axis CNC with Manual Quill Included Included Included
Operate as a 2 or 1 axis CNC control Included Included Included
Any axis can be Linear or Rotary Included Included Included

Spindle Encoder feedback,w/ RPM display

Included Included Included
Mill Rigid Tapping Not Included Included Included
Lathe Threading Not included Included Included
Lathe Automatic CSS Not Included Included Included
Lathe Rigid Tapping Not included Included Included
Lathe Automatic Tool Measurement Unlimited auto measure on:
Reference Tool, Tool 1 and Tool 2
Unlimited auto measure on:
Reference Tool, Toos 1-5
Unlimited auto measure on all tools.
G81 drilling cycles Included Included Included
Compression Tapping Gcode Cycles Included Included Included
Mill G-code scaling and mirroring Included Included Included
True G-code backplot graphics Included Included Included
Run Time Program Graphics Included Included Included
Smart Search (stop and restart at any point) Included Included Included
Xkeys & Xbox USB Keypad compatible Included Included Included
Touch Screen Virtual User Control Panel Included Included Included
Backlash compensation Included Included Included
CNC Configuration Wizard Included Included Included
Menu driven Part and Tool setup menus Included Included Included
Intercon Teach Mode Limited to 20 blocks of Intercon Unlimited Unlimited
Intercon Drilling cycles: Drilling, Deep Hole, Chip Breaking Limited to 20 blocks of Intercon Unlimited Unlimited
Intercon Pocketing: Circular,Rectangular, Irregular Limited to 20 blocks of Intercon Unlimited Unlimited
Intercon Contouring Limited to 20 blocks of Intercon Unlimited Unlimited
Intercon Threadmilling Limited to 20 blocks of Intercon Unlimited Unlimited
Intercon Conversational Compression Tapping Limited to 20 blocks of Intercon Unlimited Unlimited
Intercon Auto Connect Radius Limited to 20 blocks of Intercon Unlimited Unlimited
Intercon Lathe Cycles. Auto profile cleanout, grooving, cutoff, chamfer, turning, end face turning, Limited to 20 blocks of Intercon Unlimited Unlimited
Intercon Math/Geometry Help Limited to 20 blocks of Intercon Unlimited Unlimited
Operate in Millimeter or Inches Yes Yes Yes

Millimeter Accuracy better than .001mm
(.00003937")

No No Yes
4th axis Jogging Yes Yes Yes
4 axis pairing with any other axis No Yes Yes
4th axis G-code moves:
4&1,4&2,4&3,4&1&2,4&2&3,4&1&3,4
No Yes Yes
BCD Tool Changer output No Included Included
CNC Setup Wizard wtih auto PLC
program generation
Included Included Included
PLC Detective Software Included Included Included
         
  Acorn Hardware and Software Features included with all levels of Centroid Acorn CNC software: Centroid Free CNC, Centroid Pro CNC, Centroid Ultimate CNC
  • On board 1Ghz Motion Control CPU
  • Mill and Lathe CNC software with setup Wizard
  • Touch screen operators control panel (user configurable)
  • Plug and Play Xkeys operators pendant compatible
  • Reliable Ethernet communication with CNCPC
  • Runs on Windows 10
  • Compatible with CAD/CAM systems
  • Runs Standard G & M Codes
  • True G-code back plot graphics w cutter comp moves
  • 2000 line accell decell look ahead
  • 1200 blocks per second
  • Feed rate override operator variable 0-200% at 1% increments
  • Rapid rate override
  • Spindle Control. on/off cw/cw, speed w/override
  • 12 bit analog output 0-10 VDC for VFD control
  • 8 optically isolated inputs, user configurable
  • 8 outputs, 2 relay, 6 open collector, user configurable
  • DB25 drive connection (gecko G540 standard pin out)
  • Header for flying lead drive connection
  • Encoder Input
  • Single 24 vdc logic power input
  • Spindle Encoder RPM display
  • Simple Menu Driven Operator Interface
  • Stop and Restart Job at any point
  • Tool Check, Jog and Restart at any point
  • Cutter Compensation
  • Conductive touch probe compatible
  • Kinematic touch probe compatible
  • Lube Pump control (user configurable to match pump type)
  • MDI mode with recent command memory
  • Programmable Auxiliary Function keys
  • Multiple Language Support
  • Stock PLC programs
  • User editable PLC programming
  • Part counter, Time, Time estimation
  • Simple Future Software updates available
  • G code editor
  • Utility Menu
  • Backup and Restore CNC config
  • Message Display and Logs
  • Open Loop CNC operation
  • Unlimited Program Storage (only limited by hard drive size)
  • Large easy to read DRO display
  • Menu Driven Part setup
  • Menu Driven Tool setup
  • Menu driven machine configuration setup
  • Fill in the blank Setup Menus
  • Run Menu
  • CNC control configuration menu
  • Restart Job Automatically
  • Any axis can be linear or rotary axis
  • G-code smoothing (user adjustable)
  • Auto Home to switch, user selectable direction per axis
  • Jog to Home
  • Software Travel Limits (+ and - directions)
  • User configurable Slow, Fast, Max rates
  • User configurable axis motor acceleration
  • Spindle encoder input for CSS, Threading and Rigid Tapping
  • Backlash compensation
  • Gcode backplot checks work envelope
  • G code backplot shows true cutter comp moves
  • Vary part backplot speed and pause
    w/ G-code line display
  • Real Time Part Graphics, shows tool position while running
  • Optional Stops
  • Subprograms and Macros
  • Engraving compatible (short vector g code no problem)
  • Threadmilling (Mill)
  • Run in Inch or MM mode
  • Tool Library
  • Long part names
  • Drilling and Tapping Cycles
  • USB and Network Drive Compatible
  • Keyboard Operator Control panel emulator,
  • Xkeys USB control pad compatible
  • Tool Life Management
  • Control relays and contactors thru Manual or Program control
  • User configurable custom DIY M-codes
  • Canned Cycles
  • Profiling with auto cleanout (lathe)
  • Lathe canned cycles (profile, groove, chamfer, cutoff,turning diameter and end face)
  • X/Y axis Deskew
  • Mouse and Keyboard jogging in additon to VCP and Xkeys pendant. (4 ways to control the machine tool)
  • Runs on 100-120 VAC OR 200-240 VAC power input.
  • Runs on USA and International Power
 
Centroid CNC PC  
Use your own PC OR purchase a Centroid CNCPC

Planning to build or use your own PC as a CNCPC? Be sure the PC meets the Centroid CNCPC minimum requirements found here. The Centroid CNC software runs on any Windows 10 PC that meets the requirements.
- If you plan to build your own CNCPC follow the recommendations here.
- If you plan to buy your own PC we recommend the Intel NUC (be sure to purchase a NUC that meets the Centroid minimum pc requirements) and any 16:9 aspect Touch Screen monitor
- Centroid also offers for purchase CNCPC's with preloaded and pre configured software

 
Centroid all-in-one Touch Screen CNCPC ready to go $799 (#12786)

- Preloaded with Windows 10 and pre-configured for CNC PC duty
- Preloaded Centroid CNC software with G code Editor,   
   Intercon, Stock PLC programs, Acorn Install Wizard, Touch Screen   
   Operator Control panel.
- 19.5" Touch Screen,4 GB ram, I3 processor
- Wifi, Ethernet, webcam with mic, card reader, usb ports
- Powercord, Keyboard, Mouse
- Centroid tested and pre qualified to work with Centroid CNC controllers
- Compatible with Acorn, Oak, and Allin1DC

 
       
Centroid      
Use your own PC OR purchase a Centroid NUC CNCPC $799 (#14366)
  High Performance Centroid Intel NUC CNCPC.
 

- Allows use of any size and type LCD Touch screen.
- Higher Performance PC than the the above Allin1PC
- Intel
SSD for the best performance
- Preloaded with Windows 10 and pre-configured for CNC PC duty
- Preloaded Centroid CNC software Mill and Lathe
- G code Editor
- Intercon Conversational
- Stock PLC programs
-
Touch Screen  Operator Control panel.
- Intel I3 processor, 4GB ram, SSD (solid state drive)
- Display port, HDMI, Ethernet, USB

- Centroid tested and pre qualified to work with Centroid CNC controllers

       
     
Estop Button with 2 contact closures $45 #14534
- Industrial quality reliable Emergency Stop Button with two switches.
- Two contact closures for two estop circuits
- Use just one contact closure or use both
- For use with the Acorn CNC control board.
 
 
       
 
Estun Pronet Motor, Drive and 5m cable set
 

Includes Servo Motor, Servo Motor Drive and 5 meter motor to drive cable.
400 watt package Estun model Pronet-04AMF & EMJ-04AFB22-TP
750 watt package Estun Pronet-08AMF & EMJ-08AFB22-TP
1KW package Estun Pronet-10AMF & EMG-10AFB22
2KW package Estun Proent-20AMF & EMG-20AFB22

link to model comparison, specs and dimensions pdf..

 

       
           
 

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"Acorn" Step and Direction CNC controller kits
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