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THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 21 Support email: badaicadcam@gmail.com 7 Drill the counter bored hole Ø14-25 Select the face of the Ø50 cylinder. Choose hole+facing and fill out the dia- logues as shown. . 8 Drill and tap 3 holes M4 Set the current coordinate system onto the face of the 50mm cylinder . Select the normal (or top) view . Draw a 38mm diameter circle at 0,0 . Place the axis lines on the circle . THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 22 Support email: badaicadcam@gmail.com Create another coordinate system at the intersection between the circle and the horizontal axis with (use the cursor slide again if you wish). Select the drilling icon . Select COORDINATE SYSTEM then click on the new coordinate system, then the cylinder face. Choose the tapped hole and fill out the dialogue as below (note the depth of the holes). Propagate the holes with a circular propa- gation using the 50mm cylinder as the propagation axis. We need 3 holes. Finally put 1mm fillets around the edges and corners of the feet as shown. Save the file as Body.top. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 23 Support email: badaicadcam@gmail.com 9 Detail drawing of the body Open a new document with select Draft as the document type. Create a main view and projected view as shown. 10 Section view Click on the section icon then onto the main view. Click the circle; the circles axis will appear automatically, use the vertical line of the axis as the cutting contour. Select OK. Set the hidden lines to HIDDEN then OK. Place the view on the drawing. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 24 Support email: badaicadcam@gmail.com 11 Partial section Draw the projected axis . Draw a line from the centre of the 50mm hole to the centre of the drilled hole in the foot. You can use the trim function to extend as well as shorten. Select the line and click on a point just outside the foot (as shown). Select MAKE TRIM. Click on the partial section icon . Select the view. Click on the line we have just drawn. Select OK. Set hidden lines as HIDDEN, then OK. You will see that the view is incorrectly aligned, go back and select NO and YES as shown. Position the view correctly and Esc to exit the com- mand. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 25 Support email: badaicadcam@gmail.com Dimension the rest of the drawing as shown. 12 Tolerance reference Activate the dimensions and detailing context menu then . Click on the line to use as a reference and place the symbol. 13 Geometric tolerance Select the geometric tolerance icon . Select the correct type of symbol from the list then OK. Click on the element you wish to refer to. Click onto the reference letter A, then STOP. Save the file as Body.dft. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 26 Support email: badaicadcam@gmail.com Piston Topics covered: • F re e ha n d c o ntou r . • Revolved solid. • Grooves. • Slots. • Drilling on cylinders. 1 Shape creation Open a new document select Design as the type. Draw the initial profile as shown . Dimension with . Revolve the shape with . 2 Groove Select the groove icon . Click on the face as shown. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 27 Support email: badaicadcam@gmail.com Click on the front face. Select OK. Enter the values d=5, D=45 and l=2 Then OK. 3 The Slot Place a coordinate system on the back face. From the coordinate sys- tem menu bar, select Constrained coordinate system on face . THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 28 Support email: badaicadcam@gmail.com Draw the axis on the circular outline . Select the slot icon . Select the face. Click on the vertical axis line. Choose the U type slot. Then OK. Type 4mm. OK. Type 10mm. OK. Select OK 4 Drill the Ø4 hole As the face to drill through is not planar we will need to use a coordinate system. Select the current coordinate system icon . Select ABSOLUTE COORDINATE SYSTEM. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 29 Support email: badaicadcam@gmail.com Select the top view icon . From the points menu bar , draw a point . Place the point 5mm in from the end of the 15mm diameter. Create a coordinate system on a face and point face = face of the Ø15 cylinder and the point is the preceding point. Drill the hole using this coordinate system . Make it a plain drilled hole Ø4 through all. 5 Detail drawing of the piston Open a new document with . Select Draft as the document type. Create a main view and projected view as shown. Create a local section as shown. Draw the axis . Dimension the part as shown . THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 30 Support email: badaicadcam@gmail.com 6 Adding tolerances Click on the dimension to adjust with , then select the tolerance style. Enter the values for the upper and lower limits as shown below. Before After 7 Adding Notes Activate the detailing context menu with . Then select the notes icon . Enter your text, notes and set the style, etc.… Place your note on the drawing. Click on a line segment to place the head of your leader. Select STOP. [...]... contours on the section you wish to keep 5 Pocket With the pocket command use the profile to cut the pocket on the boss VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 36 THE INTERGRATED CAD/CAM/ERP SOLUTION Select the face Select the profile Select Through all and OK 6 Drilling With the drilling icon click on the face of the other boss As the boss is circular the system... INVERT Repeat the procedure for the bottom arc using 70mm radius 3 Extrude the shape Use the extrude icon NOTE: Use the lasso extrude the 2 circles to a thickness of 11mm (CENTRED) to select them both at the same time Then extrude the contour by 5mm (CENTRED) Unite VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 35 THE INTERGRATED CAD/CAM/ERP SOLUTION Select the centre shape... Click on the first circle to close the profile VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 34 THE INTERGRATED CAD/CAM/ERP SOLUTION 2 Modify an element Click on the modify tool then select the top straight-line segment of your profile Simply type 125mm as the circle size (no need to select the circle button) and Enter If the arc goes the wrong way, click on the tool... the boss is circular the system will automatically select the centre Select a plain hole then OK VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 37 THE INTERGRATED CAD/CAM/ERP SOLUTION Type in 10mm for the diameter and click Through all then OK 7 Do the drawing Use the New document icon then select Draft as the document type and select a Associative A4 horizontal mm template... click again to open up the circle Place the view where you want it 9 Projected dimensions Activate the dimensions context menu then select the projected dimensions icon Select the main view Click on AUTOMATIC Repeat for the other views NOTE: These are driving dimensions, which means that they can be changed in the drawing and will directly change the model Save the file , name the files Arm.top and... TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 39 THE INTERGRATED CAD/CAM/ERP SOLUTION 10 Modify the Arm Open the fie Arm.top To see the elements that are driving the model click on the driving elements icon Click on the centre face Use the circle tool to draw an arc of radius 90mm passing through the centre of the 2 circles NOTE: change the color and line style using and 11 Standard Profile.. .THE INTERGRATED CAD/CAM/ERP SOLUTION 8 Shaded view Modify the view with shaded view checkbox then tick the VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 31 THE INTERGRATED CAD/CAM/ERP SOLUTION Connecting rod Topics covered: • Thicken • Symmetry constraints • Extruding • Propagated drilling 1 Constrained line Draw a line with Dimension the line Adjust the length... constraint about the Y axis 2 Thicken the profile Select the thicken icon Enter the thickness 5mm and select CIRCLES OUTSIDE then click on the line Select OK (or right click) Extrude the contour 4mm Drill a hole in one end Ø4mm VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 32 THE INTERGRATED CAD/CAM/ERP SOLUTION Propagate the drilled hole using SIMPLE MIRROR through the YZ plane... circles with the circle icon line first and dimension change to a dotted NOTE: You can draw the circles roughly then correct their size and position using the dimension tool, however it’s a good idea to place the first one on the coordinate 0,0 Draw a 2 lines tangent to the 2 circles use the Contour command but use a different colour Click the first circle Ensure PASS ON SEGMENT is selected, click the second... Select the two cylinders Esc to exit 4 Merge contours Draw a circle Ø14 and a rectangle 3X5 as shown : use the RECTANGULAR option and select the two diagonal points Hold down the right mouse key and select AUTO DIMENSION, then use SYMMETRY constraints to add a constraint on the X axis Add a 10mm dimension to position the rectangle Use the merge icon to merge the 2 contours together Remember to pick the . the axis lines on the circle . THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 22 Support email: badaicadcam@gmail.com Create another coordinate system at the. between the circle and the horizontal axis with (use the cursor slide again if you wish). Select the drilling icon . Select COORDINATE SYSTEM then click on the new coordinate system, then the. Click the circle; the circles axis will appear automatically, use the vertical line of the axis as the cutting contour. Select OK. Set the hidden lines to HIDDEN then OK. Place the