Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-1Metric - Equal Scallop - Peck Drill

Toolpaths for Rail Car E Body Cut Body (Equal Scallop) Peck Drill

A. Machine Type and Stock Setup.Step 1. If necessary, open your Rail Car E file.

Step 2. If necessary, display Toolpaths Manager. On the View tab click (Alt-O).

Step 3. If Machine Group is not displayed in the Toolpaths Manager,

Fig. 1 on the Machine tab , click Mill > De-fault from the menu.

Step 4. Expand Properties (click +) in Toolpaths Manager and click Stock setup in Toolpaths Manager, Fig. 1.

Step 5. Confirm Stock Plane is Left Cut,Fig. 2.

Step 6. Confirm Display check box is checked.

Step 7. Click top left corner of the red stock to move the Origin. After you click corner the arrow will point to corner.

Step 8. Key-in X, Y and Z stock dimension: X 305 Y 70 Z 42

Step 9. Key-in Stock Origin coordinates: X 0 Y -36 Z -13

Step 10. Click OK in the Machine Group Properties.

Mastercam 2020Chapter 12

5/31/19

Fig. 1

Fig. 2

Click corner to move arrow

© Cudacountry.net Tech Edhttp://www.cudacountry.net email:cudacountry@hotmail.com

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-2Metric - Equal Scallop - Peck Drill

B. Confirm WCS LEFT CUT.Step 1. The Stock is displayed as red wireframe, Fig. 3.

Step 2. In Status bar at bottom of display, confirm CPLANE:LEFT CUT, Fig. 3.

Step 3. Confirm Left Cut Origin. Use F9 to toggle axes.

C. Left Cut Finish Equal Scallop Toolpath.Step 1. On the Toolpaths tab in the 3D group click expand gallery button and

click Equal Scallop , Fig. 4.

Fig. 4

Fig. 3

Stock

LEFT CUT Origin

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-3Metric - Equal Scallop - Peck Drill

Step 2. Select Model Geometry from the tree control and set: Under Machin-ing Geometry click Select en-

tities buttonFig. 5.

Step 3. Triple click the solid car body to select as machine geom-etry and click End Selection

(ENTER), Fig 6. Fig. 5

Fig. 6

Triple click solid car body

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-4Metric - Equal Scallop - Peck Drill

Step 4. Back in Model Geometry page set: Under Machin-ing Geometry Wall Stock 0 Floor Stock 0 To set, double click and key-in. Under Avoid-ance Geom-etry click Select entities

buttonFig. 7.

Step 5. Triple click the check body to select as avoidance geometry, Fig 8.

Step 6. Rotate view to view rear surface, hold down middle mouse button (wheel) and drag to rotate view, Fig. 9.

Step 7. Click rear surface to select as avoidance geometry and click End Selec-tion (ENTER), Fig 9.

Fig. 7

Fig. 8

Triple click check solid

Fig. 9

Click rear surface as avoidance geometry

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-5Metric - Equal Scallop - Peck Drill

Step 8. Back in Model Geometry page under Avoidance Geometry set: Wall Stock 1.5 Confirm 7 Avoidance entities Fig. 10.

Step 9. Select Tool from the tree control and: Click Select library tool button Fig. 11.

Fig. 10

Fig. 11

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-6Metric - Equal Scallop - Peck Drill

Step 10. Click the Filter buttonFig. 12.

Step 11. Click None button un-der Tool Types Click Endmill2 Sphere

button (second but-ton top row), Click OK Fig. 13.

Step 12. Select BALL-NOSE ENDMILL 6.0 mm Diam-eter and click OK Fig. 14.

Fig. 13

Fig. 12

Fig. 14

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-7Metric - Equal Scallop - Peck Drill

Step 13. Back in Tool page set: Feed rate 300

Plunge rate 200 Fig. 15.

Step 14. Select Cut Pa-rameters from tree control and set: Cut styleBoth to Other Way Check Optimize cut order Stepover 1 Keep tool down within 100% Fig. 16.

Fig. 15

Fig. 16

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-8Metric - Equal Scallop - Peck Drill

Step 15. Select Steep/Shallow from tree control and set: CheckMinimum depth 0 Check Maximum depth -37 Click Apply

Fig. 17.

Step 16. Select Linking Parameters from tree con-trol and set: Clearance plane 1 SelectMinimum Vertical Retract Part clearance 1 All Leads 0 Fig. 18.

Fig. 17

Negative -37

Fig. 18

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-9Metric - Equal Scallop - Peck Drill

Step 17. Select Arc Filter/Toler-ance from tree control and set: Total tolerance .0625 Check Line/Arc Filtering Settings Uncheck Cre-ate arcs in XY Check One way filtering Set Minimum arc radius .0625

Cut tolerance 10%Fig. 19.

Step 18. Click OK in Equal Scallop dialog box.

Step 19. Allow Mastercam to calculate toolpath .

Step 20. Confirm toolpath avoids rear surface and does not pass across the cartridge hole,Fig. 20. Use Alt-T to toggle on toolpath display.Distance is controlled in Model Geometry under Avoidance Geometry Wall Stock (Fig. 10).

Step 21. Save (Ctrl-S).

Fig. 19

Fig. 20

Confirm toolpath avoids cartridge hole

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-10Metric - Equal Scallop - Peck Drill

D. Verify Left Cut.Step 1. Change to the Isometric View. Right click in the graphics win-

dow and click (Alt-7).

Step 2. In the Toolpaths Manager click Verify , Fig. 21.

Step 3. We like to uncheck Wireframe in the Visibility group on the Home tab, Fig. 22.

Step 4. Click Play (R) in playback bar along bottom of the window, Fig. 23.

Step 5. Note Total Time to run program under Toolpath Info in Move List panel (51min 37.94s), Fig. 25.

Step 6. Switch back to Mastercam (Alt-Tab).

Fig. 23

Fig. 21

Fig. 22

Fig. 25

Fig. 24

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-11Metric - Equal Scallop - Peck Drill

E. Mirror LEFT CUT to RIGHT CUT Toolpath.

Step 1. On the Toolpaths tab click Toolpath Transform .

Step 2. In the Transform Operation Parameters dialog box: under Type, Fig. 26 select Mirror under Source select NCI under Source operations select Surface High Speed (Equal Scallop).

Step 3. Click the Mirror tab at top of dialog box, Fig. 27. under Method select Mirror about X axis uncheck Mirror plane Click OK .

Step 4. Allow Mastercam to calculate tool-path.

Step 5. Save (Ctrl-S).

Fig. 27

Fig. 26

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-12Metric - Equal Scallop - Peck Drill

F. Verify Right Cut.Step 1. In Toolpaths Manager, click

the Transform/Mirror toolpath, Fig. 29.

Step 2. Click Verify in Toolpaths Manager.

Step 3. Click Play (R) in playback bar.

Step 4. Click Close to close Mastercam Simulation.

Fig. 29

Fig. 30

Fig. 28

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-13Metric - Equal Scallop - Peck Drill

G. Peck Drill Toolpath.

Step 1. On the Toolpaths tab in the 2D group click Drill .

Step 2. In the Toolpath Hole Definition function panel: under Features, Fig. 31 Select center point of both axle holes. To locate the center of rear axle hole, zoom in then, hover cursor over a quad of circular edge and green is displayed. Hover over opposite quad until green , then click red center point, Fig. 32. Repeat at front axle hole. To locate the center of front axle hole, zoom in then, hover cursor over a quad of circular edge and green

is displayed. Hover over opposite quad until green , then click red center point, Fig. 33.

Click OK .

Fig. 32

Fig. 31

Fig. 33

Click

HoverHover

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-14Metric - Equal Scallop - Peck Drill

Step 3. In Toolpath page: Confirm 2 Points for geometry Fig. 34.

Step 4. Select Tool from the tree control and: Click Select library tool button Fig. 35.

Fig. 34

Fig. 35

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-15Metric - Equal Scallop - Peck Drill

Step 5. Click the Filter buttonFig. 36.

Step 6. Click None button un-der Tool Types

Click Drill button Click OK Fig. 37.

Step 7. Sort by Diameter and select HSS DRILL 3 mm Diameter and click OK

Fig. 38.

Fig. 37

Fig. 36

Fig. 38

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-16Metric - Equal Scallop - Peck Drill

Step 8. Back in Tool page set: Feed rate 100 Fig. 39.

Step 9. Select Cut Pa-rameters from tree control and set: Under CyclePeck Drill Peck 21 Fig. 40.

Fig. 39

Fig. 40

Mastercam 2020 CO2 Rail Car E Body Toolpaths Page 12-17Metric - Equal Scallop - Peck Drill

Step 10. Select Linking Parameters from tree con-trol and set: Uncheck Clearance Retract 1 Depth -55 Absolute (measures absolute values from the origin) Fig. 41.

Step 11. Click OK in Drill/

Circles Peck dialog box.

Step 12. Save (Ctrl-S).

H. Backplot.Step 1. Change to Front View. Right click in the graphics window and

click (Alt-2).

Step 2. Use Ctrl-T to toggle Translucency on.

Step 3. Click Peck Drill toolpath in Toolpaths Manager, Fig. 42.

Step 4. Click Backplot in Toolpaths Manager.

Step 5. In the Backplot dialog box turn on Display Tool and Rapid Moves , Fig. 43.

Step 6. Click Play (R) in the Backplot playback bar.

Step 7. Click OK to close Backplot.

Fig. 41

Fig. 42

Fig. 43

Fig. 44