To Dimension a Feature Using the POSITION Option

  1. Select Insert | Dimension | Position from the submenu. The Position dialog box appears.

  2. Select the feature(s) to dimension from the Feature List box.

  3. If a datum is desired, select the Use Datums check box. Be aware that selecting this will cause the dimension to be calculated with respect to the datums. However, the XYZ output values will be displayed with respect to the current alignment in the measurement routine.

  4. Select any desired datum features from the Feature List box.

  5. Select the appropriate options in the Material Conditions area to set the Material Conditions for the feature(s) and datum(s).

  6. Select the appropriate check boxes from the Deviation area.

  7. If you are dimensioning an axial feature (such as a cylinder), type a value in the Reference Length box and select the appropriate option from the For Axial Features area.

  8. Select the desired axes from the Axes area. The software selects the Auto check box by default.

  9. Select the axes to which you want to apply plus and minus tolerances.

  10. Type the plus tolerance value in the Plus box.

  11. Type the minus tolerance value in the Minus box.

  12. Select either the Inch or MM option in the Units area.

  13. Select where to output the dimension information. Select the Statistics, Report, Both, or None option.

  14. Select the desired analysis options by marking the Textual check box or the Graphical check box. If you selected the Graphical check box, type the Multiplier value in the Multiplier box.

  15. If desired, select the Display check box in the Dimension Info area and click Edit to select the Dimension Info Format you would like displayed in the Graphic Display window.

  16. Click the Create button. If you did not select any check boxes from the Axes area, the Create button is not available for selection.

PC-DMIS shows the dimension in the Edit window with this information:

DIM dimension_name = POSITION OF FEAT_ID UNITS = IN/MM,
GRAPH=ON/OFF TEXT=ON/OFF MULT=n OUTPUT=REPORT/STATS/BOTH/NONE
FIT TO DATUMS=ON/OFF DEV PERPEN CENTERLINE=ON/OFF DISPLAY=DIAMETER/RADIUS

AX

NOM

MEAS

+TOL

-TOL

BON

DEV

DEVANG

OUTTOL

X

0.7500

.07500

0.0000

-

-

0.0000

-

-

Y

3.0000

3.0000

0.0000

-

-

0.0000

-

-

DF

1.0000

1.0000

0.0000

0.0000

0.0000

0.0000

-

0.0000

D1

D2

D3

TP

1.0000

1.0000

MMC

1.0000

1.0000

1.0000

0.0000

0.0000

0.0000

0.0000

0.0000

0.0000

0.0000

0.0000

PLANE

CIRCLE

CIRCLE

0.0000

P1 AT RFS

C1 AT MMC

C2 AT MMC

0.000

0.0000

END OF dimension_name