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Introduction & Setup

Introduction

Congratulations on your purchase of the CXC3 Mighty!

Whether you are an engineering lab needing a quick prototype or a hobby enthusiast pursuing precision parts, the CXC3 Mighty, is the right CNC router for you.

Featuring a combination of HIWIN Linear guides for the X axis, and the innovative Akriti Composite Linear Guide System (ACLGS) for the Y Axis, the Mighty offers flexural strength and rigidity unmatched in its category, while 16mm Hiwin Balls Screws give you repeat positioning accuracy of under 50 microns. The Z Axis is constructed of lubrication free and dust friendly Igus Linear guides and lead screws that ensures a chatter free, highly damped and accurate positioning system.

Hybrid Stepper motors from Mechtex and resonance compensated stepper motor drivers from Tiny Controls gives the Mighty a smooth drive system that push it to travel speeds of 5m / minute.

The 1 HP Teknomotor spindle is driven by a Delta VFD and can process stock varying from woods and plastics, to soft metals like machinable grade aluminium and brass.

The high composite content in the frame ensures long mechanical accuracy due to better modulus of elasticity and loss co-efficient than materials used in other CNC’s in this class, allowing us to offer you unmatched warranty options

The CXC3 uses an Arduino controller running GRBL, allowing a flexible open source and zero cost software options like UGS, bCNC etc..

The CXC3 Mighty is proudly Made in India with over 70% local content, with the rest of the components sourced from quality conscious OEM’s in Germany, Italy, Japan and Taiwan.

We at Akriti, hope you have a wonderful experience using the CXC3 – Mighty and encourage you to share your feedback and experiences.

Happy Machining!

Engineer, Beautiful!

Out of the Box

The CXC3 Mighty comes as a fully built unit requiring no assembly and is packed in a Wooden Box with the Control Board placed on the work area of the CNC Machine as shown in the below images.

Initial Unboxing

The following steps should walk you through the initial unboxing.

  • Unwrap the plastic and bubble wrap from the outside of the box.
  • Cut the retainer straps holding down the machine to the base of the wooden box
  • Identify & Unscrew the retainer blocks that lock the CNC base to the wooden box
  • Remove the machine from the Box and place it on your work table
    1. CAUTION – Do not lift the machine with the ball screws, else they will bend impacting the accuracy of your machining.
  • Cut the retainer straps that hold down the control board to the CNC work area
  • Position the control board in an optimal location w.r.t the CNC machine – Mount points are provided for wall mounting the control board if required

 

And that’s it – Your machine is ready for initial setup and use.

First Setup

The following steps should guide you through the initial setup and first run.

1) Connect Control Cables.

In order to minimize risk of damage during transportation, the cable connectors for the stepper motors and limit switches are not fastened to their sockets. Connect 2 Y axis cables and 1 each of X axis cables to the sockets. The Z axis cable and the limit switch cable are located next to each other and labelled at both plug and socket end to avoid confusion. Connect them as per the labelling.

2) Connect USB cable to your PC / Raspberry PI / Macbook

The Arduino can be run on any system that has a G Code sender that supports GRBL – like UGS or bCNC. (Refer to the section on UGS installation for a step-by-step guide). Locate the USB cable in the package and connect it to the Arduino on the control board and the PC / Mac or Raspberry Pi on the other end.

3) Plug in the Power

Plug the power cable into the power socket and turn on the MCB on the control board to power up the machine.

4) Connect to G code sender and Home Machine

Open UGS or the gCode sender of your choice and connect to the CNC. Hit the Home button and the CNC should perform a homing operation.

5) Test the Spindle

With the Spindle MCB on, press the run button on the VFD to ensure that the spindle starts up. Change the spindle speed with the jog controller on the VFD

You are all set to start machining!!!

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