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Sales positioning Programming CNC machines versus robots Typical methods of CNC programming Programming of CNC machines ranges from simple 2D applications to complex 5axis applications Typical methods of CNC programming

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Presentation Transcript
typical methods of cnc programming
Typical methods of CNC programming

Programming of CNC machines ranges from simple 2D applications to complex 5axis applications

typical methods of cnc programming4
Typical methods of CNC programming

2D and 3D applications are mainly performed on 3 axis machines while 5 axis applications are limited to more complex 5 axis machines

5 axis CNC milling machine

3 axis CNC milling machine

typical methods of cnc programming5
Typical methods of CNC programming

There is a natural progression in complexity, skill and cost required to program a CNC machine from simple 2D to advanced 5axis applications

typical methods of cnc programming6
Typical methods of CNC programming

Some 5axis applications also require a machine simulator to ensure that the program is error and collision free

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CNC Machine Programming Software Costs

This chart shows the natural progression of software cost and training starting with 2D to advanced 5axis programming. These are average industry pricing for mid-ranged products like Mastercam. Since most robotic applications are fully 6axis, maximum software functionality is required similar to advanced 5axis programming.

challenges of programming a robot
Challenges of programming a robot

A typical 6 axis robot only has rotary axis. Because of this architecture:

  • Joint limits are hard to check intuitively
  • Robot to part collision is impossible to determine without simulation
challenges of programming a robot9
Challenges of programming a robot

It is desirable to program a robot in Cartesian coordinates but all robots are commanded by joint values by the robot controller

challenges of programming a robot10
Challenges of programming a robot

A 6 axis robot requires position and orientation data at each point

challenges of programming a robot11
Challenges of programming a robot

A six axis robot has three singularity zones and all programs must be singularity free

Wrist Singularity

challenges of programming a robot12
Challenges of programming a robot

A robot has 8 possible configurations for every point

challenges of programming a robot13
Challenges of programming a robot

Programming a robot requires a simulator for:

  • Checking for joint limits and robot reach
  • Visualizing and validating head orientation and robot configuration
  • Checking for collisions
  • Checking for singularities

In most cases a simulator is not required for programming a CNC because of the linear architecture of these machines

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Comparison of Software Costs Between Robot and 5axis Programming

This chart highlights the comparison of the Robotmaster cost with that of a 5axis application. The cost of Robotmaster is comparable to a 5axis post-processor and a simulator. Most 5axis applications do not require a simulator which is essential for proofing a robot program and checking for singularities, joint limits and collisions. In contrast, Robotmaster is significantly better implemented with the robot than the average 5axis post-processor which is generic.

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Robotmasterseamlessly integrates programming, simulation and code generation inside Mastercam, delivering quicker robot programming at a competitive software package cost.
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