How to Design a Motion - first steps.

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How to Design a Motion - first steps.

Motion Design

It is always important to try to improve the design of your motion when you need to improve the performance of a machine.

First Steps

There are a number of steps to design a motion. You must:

1.Write a Motion-Specification that satisfies the positional, velocity, acceleration and even jerk requirements for each machine-axis or tool in the machine as a function of the Master Machine Angle.

2.As necessary, split the motion into a number of segments - this is called Segmentation.

Each segment can define a particular action - such as 'Push', or 'Lift', followed by 'Return', etc.

The segments are joined together, end-to-end, so that they describe the motion of a tool over one complete machine cycle.

3.Begin to define the duration of each segment making some shorter and others longer. The total duration remains as 360°.

4.Select a Motion-Law for each segment. The Motion-Law must be able to meet the motion-values as defined in the motion-specification at the start and end of the segment.

5.Edit the motion-values at the start and or end of each segment - using the Blend-Point Editor and Segment Editor - to fully satisfy the motion requirements.

6.Complete the motion design for all of the axes on a machine.

See also: What is a motion?