PCS Example #11

Translate

Introduction

In this exercise we will take an existing part coordinate system and translate it by nominal amounts in the X and Y axis. The translate command can be performed on X, Y and/or Z individually or any combination. As you must have a complete coordinate system defined, please setup your part described in PCS Example #2.

Exercise1b.jpg (9419 bytes) Exercise 5b.jpg (9482 bytes)
figure 1, Established PCS figure 2, Translated PCS

Practice Steps

Step 1

Select the Translate command <;>. When you activate this command, Geomet will display a dialog where you can enter your translation values, see figure 3. Enter 2.125 for X and 1.500 for Y and no entry for Z. Perform the translation by pressing the < Accept > button.

Exercise_11c.jpg (17700 bytes)
figure 3, Translate Input Dialog

A new PCS will be established, or in the case of base Junior, a translation of the current PCS takes place.

Summary

In many conditions, it is required to translate the part coordinate system when you are working with a datum that is derived from points that are not defined on your part. For example you may be inspecting a cavity insert which was removed from a progressive die where the datums are a common alignment pin not available at inspection time. Another example is the focal point of a optical lens whose surface radial may be projected 2,000" from the actual part.


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