Current Help System: PC-DMIS CMM (View Core Help)

#### Example Center Scan

Suppose you have a "V" shaped block, where the "V" is in the Y axis of the machine and the apex of the "V" is in the Y+ direction of the part coordinate system (see figure below).

Top-down (Z+) view of a V-Block with "V" apex in Y+ direction | A - Apex

To have a Basic Center scan find the apex of the "V" using the "PLANE" method, do the following:

1. Take a hit where you want the scan to start (on one of the sides of the V). PC-DMIS populates the Scan dialog box with the X, Y, and Z point information.

2. Give the Start Point and End Point values the same X, Y, and Z values.

3. Make sure the InitVec vector is 0,-1,0.

4. Make sure the CutVec vector is 0,0,1.

5. Select PLANE from the Type list.

6. Click Create. PC-DMIS scans down the "V" to find its apex by searching for the lowest point along the init vector.

To have a Basic Center scan find the apex of the "V" using the “AXIS” method, do the following:

1. Take a hit where you want the scan to start (on one of the sides of the V). PC-DMIS populates the Scan dialog box with the X, Y, and Z point information.

2. Give the Start Point and End Point values the same X and Z values. Then offset the Y of the end point into the material of the part.

3. Make sure the InitVec vector is 0,-1,0.

4. Make sure the CutVec vector is 0,0,1.

5. Select AXIS from the Type list.

6. Click Create. PC-DMIS scans down the "V" to find its apex by searching for the lowest point along the init vector.