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Rockler CNC Demonstration 2019-4 (#16)April 6, 2019Molding toolpath for chair seat, importing a STL 3D file (TJ)Fluting toolpath for chair seat (Kenneth) Tools used in this Demo - ?” Ball Nose and EMCreate DesignDrawing tab: Start new file - Fill out job set upSingle sided16 W x 16H x 1.5 ThickChoose data point preferencesFor layout only we will use the center datum positionClick OKDrawing tab: Draw RectangleAnchor lower left at x=0, y=.5Radius corners with 1” radiusEnter 14” W x 15” HDrawing tab: Select FilletsEnter 5” radiusClick on lower left and right to change radius to 5”Drawing tab: Draw CircleEnter 12” radiusClick CreateDrawing tab: Draw LineMake 2 lines, one on each side of the circle to the top of the seat, use space bar between linesRight Click to end lineDrawing tab: Use Scissors to remove the top half of the circleDrawing tab: Draw Rectangle for construction purposesAnchor upper left at x=-6, y=8Enter 5.985” W x 0.75” HDrawing tab: Draw Arc through 3 pointsright698500Start at upper left of construction boxEnd at the mid point of the right side of the construction boxDraw center of the arc down to the bottom of the construction boxClick Create You should have something like the picture to the right and now are now ready to make TOOL PATHSCreate TOOL PATHSSet propertiesTool clearance to 1”Set datum to lower left (from the center that we used for layout) Use “Molding” tool pathSelect the 3 lines for the Drive Rail, half circle and both lines449580024066500Select only the arc drawn in the construction boxMake sure the carve lines are correct or right click on a drive rail and click “Reverse Direction” Select 1/4” Ball Nose and enter depths and speeds for your machineUse 30% step overCalculate toolpathPreview toolpathUse the “Profile” tool pathSelect outside seat shapeEnter45116751143000Set start depth to 0”Set cut depth to 1.55” too cut all the way throughSelect 1/4” End Mill and enter depths and speeds for your machineCheck “Outside”Add tabs0.5” long x 0.25” thickEvenly locate them around the seatClick CalculatePreview toolpathSave above Tool Paths to USB driveAdd tool description to file name, for pendant machines make first 5 characters meaningfulSave ENTIRE project fileDONE – ready to cut Set up wood to be cutMake sure properly securedRun file for Swept fileRun file for ProfilePart 2 – importing a .STL fileStart new job (or add to one already created)Drawing tab: Start new file - Fill out job set upSingle sided12 W x 12H x 0.75 ThickChoose data point preferencesClick OK2847975635000Modeling tab: Click “import a 3D component or 3D model”Choose your STL file from your computerThis menu (to right) will pop up with your 3D solid modelEntire model is displayed with ZERO plane and work piece however there is no know size or units.Set Model SizeClick “Scale mm/inches”With XYZ locked, change X to 8”Click Center ModelChange View to XChange “Interactive Rotation” to Model XRotate up 90 degrees to see bottom of carGo back to View XYZPosition Zero plane up closer to side of carClick “OK”You now have a component but it needs to be trimmed downModeling Tab: Scale model height to 0.5”Done, This can now be cut or added to your job design just like any other clip art.Question?Ideas for next Demo… ................
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