Mach3 Turn 1.84

Download Mach3 Turn 1.84

Post on 06-May-2015

12.064 views

Category:

Business

13 download

Embed Size (px)

TRANSCRIPT

<ul><li>1.A user's guide to installation, configuration and operation </li></ul><p>2. Using Mach3Turn or The nurture, care and feeding of the Mach3 controlled CNC Lathe or Borer All queries, comments and suggestions welcomed via support@artofcnc.ca Mach Developers Network (MachDN) is currently hosted at:http://www.machsupport.com 2003/4/5/6 Art Fenerty and John PrenticeFront cover: A vertical borer circa 1914 This manual is for Mach3Turn Release 1.84 3. Contents Contents1. Preface ............................................................................................. 1-1 2. Introducing CNC machining systems............................................ 2-1 2.1 Parts of a machining system ........................................................................................... 2-1 2.2 How Mach3 fits in ........................................................................................................... 2-2 3. An overview of Mach3 Machine Controller software ................... 3-1 3.1 Installation ...................................................................................................................... 3-1 3.1.1 Downloading .................................................................................................................... 3-1 3.1.2 Installing........................................................................................................................... 3-1 3.1.3 The vital re-boot ............................................................................................................... 3-2 3.1.4 Convenient desktop icons.................................................................................................. 3-2 3.1.5 Testing the installation ...................................................................................................... 3-3 3.1.6 DriverTest after a Mach3 crash.......................................................................................... 3-4 3.1.7 Notes for manual driver installation and un-installation...................................................... 3-4 3.2 Screens ............................................................................................................................ 3-4 3.2.1 Types of object on screens ................................................................................................ 3-5 3.2.2 Using buttons and shortcuts............................................................................................... 3-5 3.2.3 Data entry to DRO ............................................................................................................ 3-5 3.3 Jogging ............................................................................................................................ 3-6 3.4 Manual Data Input (MDI) .............................................................................................. 3-7 3.5 Wizards CAM without dedicated CAM software........................................................ 3-8 3.6 Running a G-code program .......................................................................................... 3-10 4. Hardware issues and connecting the machine tool..................... 4-1 4.1 Safety - emphasised......................................................................................................... 4-1 4.2 What Mach3 can control................................................................................................. 4-1 4.3 The EStop control ........................................................................................................... 4-2 4.4 The PC parallel port ....................................................................................................... 4-2 4.4.1 The parallel port and its history ......................................................................................... 4-2 4.4.2 Logic signals..................................................................................................................... 4-3 4.4.3 Electrical noise and expensive smoke ................................................................................ 4-3 4.5 Axis drive options............................................................................................................ 4-4 4.5.1 Steppers and Servos .......................................................................................................... 4-4 4.5.2 Doing Axis drive calculations ........................................................................................... 4-5 4.5.3 How the Step and Dir signals work.................................................................................... 4-7 4.6 Limit and Home switches................................................................................................ 4-7 4.6.1 Strategies.......................................................................................................................... 4-7 4.6.2 The switches..................................................................................................................... 4-8 4.6.3 Where to mount the switches............................................................................................. 4-9 4.6.4 How Mach3 uses shared switches...................................................................................... 4-9 4.6.5 Referencing in action ...................................................................................................... 4-10 4.6.6 Other Home and Limit options and hints ......................................................................... 4-10 4.7 Spindle control .............................................................................................................. 4-10 4.8 Spindle index pulse ....................................................................................................... 4-12 4.9 Coolant .......................................................................................................................... 4-13 Using Mach3Turn iiRev 1.84-A2 4. Contents4.10Manual Pulse Generators ............................................................................................. 4-13 4.11Charge pump - a pulse monitor .................................................................................... 4-13 4.12Other functions ............................................................................................................. 4-13 5. Configuring Mach3 for your machine and drives ......................... 5-1 5.1 A configuration strategy ................................................................................................. 5-1 5.2 Defining the native setup units........................................................................................ 5-1 5.3 Initial configuration of engine and ports ........................................................................ 5-1 5.4 Defining input and output signals that you will use ....................................................... 5-3 5.4.1 Axis and Spindle output signals to be used ........................................................................ 5-3 5.4.2 Input signals to be used ..................................................................................................... 5-4 5.4.3 Emulated input signals ...................................................................................................... 5-5 5.4.4 Output Signals .................................................................................................................. 5-5 5.4.5 Defining MPG and encoder inputs..................................................................................... 5-6 5.4.5.1 Encoders................................................................................................................ 5-6 5.4.5.2 MPGs .................................................................................................................... 5-6 5.4.6 Configuring the spindle..................................................................................................... 5-6 5.4.6.1 Coolant control ...................................................................................................... 5-6 5.4.6.2 Spindle relay control .............................................................................................. 5-7 5.4.6.3 Motor Control ........................................................................................................ 5-7 5.4.6.4 General Parameters ................................................................................................ 5-8 5.4.6.5 Pulley ratios ........................................................................................................... 5-8 5.4.6.6 Special function ..................................................................................................... 5-8 5.4.7 Turn Options tab............................................................................................................... 5-8 5.4.7.1 X Mode ................................................................................................................. 5-8 5.4.7.2 Threading defaults.................................................................................................. 5-9 5.5 Testing............................................................................................................................. 5-9 5.6 Tuning motors............................................................................................................... 5-10 5.6.1 Calculating the steps per unit........................................................................................... 5-11 5.6.1.1 Calculating mechanical drive................................................................................ 5-11 5.6.1.2 Calculating motor steps per revolution.................................................................. 5-11 5.6.1.3 Calculating Mach3 steps per motor revolution ...................................................... 5-11 5.6.1.4 Mach3 steps per unit ............................................................................................ 5-12 5.6.2 Setting the maximum motor speed................................................................................... 5-12 5.6.2.1 Practical trials of motor speed............................................................................... 5-12 5.6.2.2 Motor maximum speed calculations...................................................................... 5-13 5.6.3 Deciding on acceleration ................................................................................................. 5-13 5.6.3.1 Inertia and forces.................................................................................................. 5-13 5.6.3.2 Testing different acceleration values..................................................................... 5-14 5.6.3.3 Why you want to avoid a big servo error............................................................... 5-14 5.6.3.4 Choosing an acceleration value............................................................................. 5-14 5.6.4 Saving and testing axis.................................................................................................... 5-14 5.6.5 Repeat configuration process on other axis ...................................................................... 5-15 5.6.6 Spindle motor setup ........................................................................................................ 5-15 5.6.6.1 Configuring PWM and Step &amp; Direction spindle motors....................................... 5-16 5.6.6.2 Motor speed, spindle speed and pulleys ................................................................ 5-16 5.6.6.3 Testing the spindle drive ...................................................................................... 5-17 5.7 Other configuration ...................................................................................................... 5-18 6. Mach3 controls and running a part program ................................ 6-1 6.1 Introduction .................................................................................................................... 6-1 6.2 How the controls are explained in this chapter .............................................................. 6-2 6.2.1 Screen switching controls................................................................................................. 6-2 6.2.1.1 Reset button ........................................................................................................... 6-2 6.2.1.2 Labels .................................................................................................................... 6-2 6.2.2 Axis position family.......................................................................................................... 6-2 6.2.2.1 Coordinate value DRO ........................................................................................... 6-2Rev 1.84-A2 iiiUsing Mach3Turn 5. Contents6.2.2.2 X axis mode........................................................................................................... 6-3 6.2.3 Motion control family ....................................................................................................... 6-3 6.2.3.1 Spindle .................................................................................................................. 6-3 6.2.3.2 Feedrate................................................................................................................. 6-3 6.2.4 Jogging, Jog speed and Increments control family ............................................................. 6-4 6.2.4.1 Jogging.................................................................................................................. 6-4 6.2.4.2 Other increments etc............................................................................................... 6-5 6.2.5 Machine Setup control family ........................................................................................... 6-5 6.2.6 Coordinate system display................................................................................................. 6-5 6.2.7 MDI line........................................................................................................................... 6-5 6.2.8 Referencing/Homing......................................................................................................... 6-6 6.2.8.1 Axis with Home switches ....................................................................................... 6-6 6.2.8.2 Axis without Home switches .................................................................................. 6-6 6.2.8.3 Referenced state..................................................................................................... 6-6 6.2.8.4 Moving to Home position........................................................................................</p>