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Table of Content

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TABLE OF CONTENT


CNC machine and safety

  • Need for cnc machines
  • Example of cnc program
  • Program body
  • Header
  • Program body
  • End of the program
  • Conventional machine
  • Cnc machine
  • NC machine, cnc
  • Cnc work – An introduction
  • Advantages, Disvantages
  • Cnc machine and its applications
  • Reference systems
  • Origins of the reference systems
  • OMmachine zero
  • Properties of the function
  • Axis
  • Programming
  • Main planes and axes
  • Properties of the function
  • Work plan program by two directions (G20)
  • Programming
  • Rotary axes
  • Linear like rotary axis
  • Normal rotary axis
  • Unidirectional rotary axis
  • Positioning-only rotary axis
  • CNC Vertical boring machine

Machine zero and reference point programming

  • Coordinate programming
  • Cartesian coordinates
  • Definition of position values
  • Standard axes (x…C9)
  • Definition of position values
  • Polar origin preset
  • Origin selection
  • Programming with respect to machine zero
  • Program a movement referred to machine zero
  • Machine coordinate system
  • Considerations for movement referred to machine zero
  • Zero offsets and coordinate transformations
  • Tool radius and length compensation
  • System units; millimeters or inches
  • Technological functions
  • Movement without with out programmed feed rate
  • Variable to limit the feed rate via PLC
  • Feed rate regulation
  • Understanding how the CNC calculates the feed rate
  • Feed rate programming units (G93/94/95)
  • Programming
  • Tool number (T)
  • Load a tool in the spindle
  • List of “M” function
  • Program interruption (M00/M01)
  • Tool change (M06)
  • M06 Tool change
  • Constant surface speed
  • G96 constant surface speed
  • Constant turning speed
  • Spindle start and stop
  • M03/M04 start the spindle clockwise counter clockwise
  • Stop the spindle
  • G02 and G03 commands zero offset absolute and incremental  co- ordiantes  tool call, tool length compensation cutter radius compensation
  • Tool path control
  • Programming
  • In polar coordinates
  • Circular interpolation
  • Programming
  • Cartesian coordinates
  • Coordinates of the arc’s final point
  • Arc center coordinates
  • Cartesian coordinates
  • Arc radius
  • Depending  on the active work plane, the programming format is
  • Electronic threading with constant pitch
  • Programming
  • Thread pitch
  • Programming examples for a mill
  • Multi –entry electronic threading
  • Longitudinal electronic threading
  • Multi –entry longitudinal electronic threading Electronic taper threading
  • Thread blending
  • Corner chamfering
  • Programming
  • Mirror image
  • Considerations
  • Additional preparatory functions
  • Tool compensation
  • Types of compensation
  • Tool radius compensation
  • Tool length compensation
  • Tool radius compensation
  • Programming
  • Subroutines
  • Types of subroutines
  • Global subroutines
  • Local subroutines
  • Subroutine nesting and parameters
  • Arithmetic parameters in the subroutines
  • Location (path) of the global subroutines
  • Programming format
  • The programming format
  • Global parameters
  • Subroutine execution
  • The programming format
  • Call to a global or local subroutine initializing parameters
  • Modal call to a local or global subroutine

Introduction to pneumatics block diagrams directional, pressure and flow control valve

  • Pneumatics
  • Examples of pneumatic systems
  • Pneumatic tools
  • Pipe organs
  • Advantages of pneumatics
  • Reliability
  • Storage
  • Safety
  • Pneumatic symbols
  • Pneumatic block diagrams
  • Layout of the system
  • Front panel
  • Dimensions
  • Sensor inputs
  • Valves
  • Serial port
  • Reset button
  • Power input
  • MCU
  • Gas
  • Tank
  • Regulators
  • Buffer tank
  • Pneumatic hoses and fittings
  • Valves
  • The actuator
  • Theories behind compressed air technology
  • Directional control valves
  • Classification
  • Poppet
  • Rotary spool
  • Sliding spool
  • Modeling of directional valve
  • Applications of DCV
  • Pressure control pressure control valve

Principal of Hydraulics Definition of Force, Pressure,

  • Flow Pascal’s Low Hydraulic Pumps, Motors And Intensifiers
  • Hydraulics
  • Basic hydraulic principles
  • Hydraulic pressure and Force
  • Flow rate
  • Introduction
  • Basic symbols
  • Valve operators
  • Energy conversion devices
  • Fluid cylinders
  • System pressurization
  • Hydraulic intensifiers
  • Nomenclature
  • Reciprocating intensifiers
  • Types of hydraulic fluids
  • Petroleum-based fluids
  • Synthetic fire-resistant fluids
  • Phosphate ester fire-resistant fluids
  • Silicone synthetic fire-resistant fluids
  • Lightweight synthetic fire-resistant fluids
  • Water-based fire-resistant fluids
  • Properties of hydraulic fluids
  • Viscosity
  • Single-acting cylinder
  • Double –acting cylinder
  • Hydraulic pumps
  • Hydraulic pumps types
  • Gear pumps
  • Gerotor pumps
  • Rotary vane pumps
  • Screw pumps
  • Bent axis pumps
  • Axial piston pumps swash plate principle
  • Radial piston pumps
  • Peristaltic pumps
  • Hydraulic motor
  • Hydraulic motor types
  • Gear and vane motors axial
  • Axial plunger motor
  • Radial piston motors
  • Braking
  • Uses
  • Direction Control Valve Types Pressure Control Valve Types Flow Control Valve Types
  • Directional control valve
  • Types of directional control valve
  • Poppet-type directional control valves
  • Spool valve disadvantages
  • Hydraulic 4-way spool valves
  • Pressure control
  • Types
  • Main types of pressure relief valves include
  • Definition of “backpressure”
  • Sequence valves sequence valves basics
  • A sequence of events
  • Some precautions
  • Sequence valves at work
  • The counterbalance valve
  • Functioning
  • Pilot operated pressure relief
  • Single –acting cylinder circuit with three-port valve
  • Drawing pneumatic circuits
  • Double-acting cylinder circuit with five-port valve
  • Double –acting cylinder and five-port valve
“Exam scheduling to be done through user account” / “Exam once scheduled cannot be cancelled”
Date of Examination
02-Dec-2017
03-Dec-2017
16-Dec-2017
17-Dec-2017
06-Jan-2018
07-Jan-2018
20-Jan-2018
21-Jan-2018
03-Feb-2018
04-Feb-2018
17-Feb-2018
18-Feb-2018
03-Mar-2018
04-Mar-2018
17-Mar-2018
18-Mar-2018
Examination Time
01:00 PM - 02:00 PM
02:30 PM - 03:30 PM
04:00 PM - 05:00 PM
05:30 PM - 06:30 PM
10:00 AM - 11:00 AM
11:30 AM - 12:30 PM

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Tags: Cnc, Cnc Programmer, Cnc Programming