Technical Info & Downloads

Below, you will find a list of downloads for User Manuals, Setup Files and also Help Videos, followed by a quick-start guide for Unpacking, Setting Up and Starting Up your new CNC Machine and lastly a reference list of G-Code Explanations.

User Manual Downloads

High Z Series Manual
High Z T Series Addendum
Zero3 Controller User Manual
Zero3 Controller WINPC-NC Settings
GranitoGrav User Manual
RaptorX SL User Manual
Mach3 User Manual
4th Axiz Roundino120 Zero2 Controller
4th Axiz Roundino120 Zero3 Controller
STG 104/101 Tool Changer Setup

ConstruCam 3D Resources

ConstruCam 3D Demo Download
Download Zip file

ConstruCam 3D Tutorials on YouTube
Click Here...

A version of ConstruCam is free with all our machines (excluding the High Z-S400) and therefore it is not supported for training and assistance.

Use these videos to see how it works. If you want full support you will have to purchase the full version from Germany. This is however a very good program and we use it ourselves for many applications.  


Learn everything about CNC here :


First Check for damage to the crate before you accept the shipment from the driver delivering!

Normally your machine will arrive in a large shipping crate. Carefully pry open the lid which is nailed down using a crowbar.

Once the crate is open, you should unscrew any shipping mounts inside the crate to be able to remove your Heiz CNC platform and accessories.

Important Note!  Motor stepper controller must be off for installation. Unplug it and leave it unplugged before starting.

Place the Machine on a suitable workbench. Be careful not to damage any cables which are tied to the machine.

Free the cables and plug them into the Motor Stepper Controller box. Note: the X axis has 2 motors. There are 2 X ports on the Controller (any of the 2 X motors into any of the 2  X ports)

The rest are clearly marked, Y,Z and ST (emergency stop switch) and the A for a 4th axis if you have one. Always screw the connectors to the plugs to prevent any problems.( lazy here can result in problems later)

Unpack the milling motor and cable supplied. You will notice that the Motor Stepper Controller has also got 2 Plug points for the German style plug. The Milling motor cable plugs in to one of these. (The two plugs have different functions. One is for the mill and Two is for a vacuum/cooling system.

At this time you should plug it into No1 socket. They both supply 220v via a relay. The 2 lever switches on the front of the Controller can override the relays and be always on 220v (Zero2 controller only). The milling motor fits into the Euroneck holder on the bridge. You will need a 5mm Allen Key to insert and fasten it (NOT TOO TIGHT! You do not want to compress the spindle bearings).

The PC you will use should be nearby. The supplied Parallel cable is connected from the Motor Stepper Controller to the PC or the USB NC converter. If you are using the USB converter PLEASE INSTALL SOFTWARE BEFORE CONNECTING USB NC BOX TO PC. Now power up the PC and install the WinPC-NC software. For WinPCNC ECO Once the software is installed, insert the USB dongle supplied with WinPC-NC into a free USB port on the PC. The found new hardware - security key dialog should come up on the PC.

Now you can start the WinPC-NC program for the first time. A drop-down tab will allow you to choose which machine you have purchased. Select the correct model and language from the tabs.

Step back and enjoy the feeling of seeing the Machine ready to go. (the T-Groove bed installation you can do at leisure. I am sure you want to make the machine move first, just to see...)  Check that the power on and PC lights are lit on the stepper controller unit when the software is running.

The milling spindle motor has an On/Off switch on the spindle itself. Leave it off for the initial testing phase if you have installed or clamped it on the CNC machine.

Pre-Start Checklist

  • The PC is on with software installed and started
  • The parallel cable is connected to the Motor Stepper Controller and the PC
  • The machine cables are also connected to the Motor Stepper Controller and screwed in
  • The milling motor is off or not even plugged in.

Start Up

Plug in and switch on the Motor Stepper Controller now.

You should hear a sizzling or hissing noise from the 4 motors on the machine.

If not DON'T PANIC, check that the emergency stop switches are released. They get pressed by accident sometimes. Lightly push and turn the nob left to release or de-activate. Note there are 2 emergency switches, one on the machine and one on the motor stepper controller box.

Now there should be some noise.

In WinPC-NC you can now click Move - Reference  F8  and see if the machine moves all axis toward the magnetic reference switches in the one corner of the machine.

When the machine is referenced or in the corner, you can now dry-run your first test program.

At This point it is worthy to learn....


This is where the setting up Tool depths and feed rates and other stuff becomes important for various file formats you intend to run in WinPC-NC.

Its easy. Just be patient and learn the steps one by one

Click on File - open file - Arcs

This is a demo HPGL file with a .plt file extension to run on the machine.

You can also open NC, CNC or TAP file extensions in WinPCNC

G-Code - Explanation

G00     rapid move
G01     straight line cut
G02     clockwise arc cut
G03     counter clockwise arc cut
G04     program dwell

G09     exact stop (non-modal)
G10     set tool offset value

G12     clockwise circle cut

G17     XY plane for arcs
G18     XZ plane for arcs
G19     YZ plane for arcs
G20     set inch input
G21     set millimeter input
G22     stored stroke limit on
G23     stored stroke limit off

G25     program copy

G27     reference point check
G28     return to machine zero
G29     return from machine zero

G40     cancel tool radius compensation
G41     compensate tool radius to left
G42     compensate tool radius to right
G43     add tool length compensation
G44     subtract tool length compensation

G49     cancel tool length compensation

G60     unidirectional approach (rapid)
G61     Exact stop on (modal)
G64     exact stop off (modal)

G70     bolt hole circle
G71     bolt hole arc
G72     bolt hole line
G73     high speed peck drill
G74     reverse tapping

G76     boring w/ spindle orient
G77     back boring
G80     cancel spindle cycle
G81     drill (feed in, rapid out)
G82     spot face (G81 with dwell)
G83     peck drilling (fixed peck)
G84     forward tapping

G85     boring (feed in, feed out)
G86     boring (feed in, stop, rapid out)
G87     boring (feed in, stop, manual out)
G88     boring (G87 with dwell)
G89     boring (G85 with dwell)
G90     absolute positioning
G91     incremental positioning
G92     program universal coordinates
G94     set feed rate to in/min
G95     set feed rate to in/rev
G98     return to initial point (spin cycles)

G99     return to R plane (spin. cycles)
G100    cancel high speed cutting
G101    high speed cut (sequence mode on)
G102    high speed cut (memory mode on)

M00     program stop with reset
M01     optional stop
M02     end of program
M03     spindle on clockwise
M04     spindle on counterclockwise
M05     spindle stop
M06     tool change
M07     spray mist on
M08     flood coolant on
M09     coolant off

M18     spindle neutral
M19     spindle lock on
M20     spindle lock off
M21     fourth axis clamp
M22     fourth axis unclamp

M30     end of program

M46     clear spindle at program end
M48     feed rate override, sw active
M49     feed rate override, sw inactive

M94     mirror image off (program 6000)
M95     mirror image on (program 6000)
M98     go to subprogram
M99     return to main program