Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống
1
/ 20 trang
THÔNG TIN TÀI LIỆU
Nội dung
THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 1 Support email: badaicadcam@gmail.com Shaft Topics covered: • Create a simple contour. • Dimension/Half part dimension. • Revolved solid. • Extruded solid. • Trimming with curves. • Creating a reference system. • Subtraction (cutting). • Chamfer & Fillet. • Simple part drawing. 1 Starting a new design document Open a new file then select a new design document and select a template. Click on the profile icon in the context bar . The Profile command will start automatically. NOTE: this will only happen the first time you select the context menu. Use the profile tool to draw the profiles shown below. Create the profile by clicking free points but use the cursor feedback information as a guide. Start your profile on the coordinate centre point. To close a profile either click onto the first segment or click onto the last (previous segment). Then end the open profile (shown in grey line). Click STOP. 2 Dimensions Dimension both contours as shown, use the and for diameters. 3 Create the revolved solid Activate the shapes context menu select the revolved shape icon . THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 2 Support email: badaicadcam@gmail.com Select your curve then select the horizontal base as your rotation axis. Click OK to accept a 360 degrees rotation. NOTE: Changing the direction (in this case) will have no effect. 4 Adding the chamfer Click on the chamfer icon . Choose the chamfer type as LENGTH/LENGTH, enter 1mm in the first length box then click onto the front edge of the shaft. 5 Limiting with a profile (trimming) Click on the trimming icon . For the shape to trim select the shaft. For the trimming shape select the open profile. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 3 Support email: badaicadcam@gmail.com Ensure that the large red arrow is pointing towards the inside of the curve (area to delete) then click OK. Cut the keyway. Select the menu Tools, Coordinate system. Select XZ. Click SET AS CURRENT then top view. Draw and extrude the key. Draw a circle using the circle icon . Radius 8mm, Centre point 17,8,0. Extrude the circle to 4mm. Activate the shape context menu then select the extrude icon . Click on the circle. Click on the NORMAL button to change it to CENTRED, then type in 4mm. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 4 Support email: badaicadcam@gmail.com 6 Subtraction Click on the subtraction icon . Select your shaft as the shape to modify. Select your extruded circle as the tool shape to use. NOTE: Use the Esc key to exit the command afterwards. Save your file and name it Shaft. 7 Create a drawing of the shaft Open a new draft document. Use the New document icon then select Draft as the document type and select a Associative A4 vertical mm template. Your windows will tile vertically automatically. NOTE: This only works if there is only one design document open. In which case use the tile windows icon . THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 5 Support email: badaicadcam@gmail.com Select the main view icon . Click on the shaft. Orientate the view with the green arrows and type a new scaling factor if required, select OK to accept. Position the view onto the sheet and left click. Select AUXILIARY VIEW (or right click) to create the projected and isometric views. Save your file and exit. NOTE: By default the name of the file will be Shaft.dft. You may of course choose another name. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 6 Support email: badaicadcam@gmail.com Modifications to the shaft 8 Drilling holes Use the menu file Open icon and select the file Shaft.top. Click OK. We will add 2xM4 tapped holes onto the face of the cut-out: Select the drilling icon , select the face and use the cursor to position the first hole position. Notice the green and yellow dimensions. Select hole+tapping. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 7 Support email: badaicadcam@gmail.com Select M4, tick Through and OK. The design calls for 2 holes. So use the PROPAGATE button to pattern the second hole. Select LINEAR. Select one of the long edges to define the propagation direction. Ensure the direction arrow is correct. The total distance is 25mm. Total number is 2. Save your file. Open the shaft drawing file Shaft.dft. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 8 Support email: badaicadcam@gmail.com 9 Local Section Let’s add a local section to the main view. Activate the views context menu and select the local section icon then select the main view. Select B-SPLINE. Draw the spline by clicking points, then STOP. NOTE: You could in fact draw any shape first, then select CONTOUR. Click onto the outline of the shaft. Result. 10 Drilling dimensions Activate the dimensions context menu then select the hole dimensions icon . Select any element belonging to a machined hole, then place the dimension. Save the file. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 9 Support email: badaicadcam@gmail.com Cover Plate Topics covered: • Cyli n drical primitiv e . • Drilling. • Coordinate systems. • Points. • Propagation. • Chamfer. • Feature tree. • Detail drawing. 1 New document Open a New document select Design as the type. 2 Cylinder Activate the shapes context menu then select the cylinder icon . Enter 50mm. Select Z+. Enter 6mm. Enter 0,0,0 . THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY .,CO.LTD Page 10 Support email: badaicadcam@gmail.com 3 Drilling Drill a Ø14 plain hole in the centre of the cylinder. Select the drilling icon then select the face, fill out the drilling dialogue for a plain 14mm hole. 4 Sketch for the PCD Change your line color and style . Draw a circle diameter 38mm centred on the 0,0 point. Draw a vertical sketch line using through 0,0. Select CHANGE TO VERTICAL then ENTER or click the centre point. 5 Points Click on to activate the points menu bar. Select the curve intersection icon . Click on the circle followed by the vertical line. Pick close to actual intersection point to identify which one of the two possible solutions you require. 6 Place the coordinate system Click on the icon to activate the coordinate systems menu bar. [...]... around 360° Drill the Ø12 holes in the feet plain drilled hole through 5 in the dialogue select a Propagate the holes Select the PROPAGATE button then simply select the face of one of the feet The propagation will be “copied” from the feet to the holes VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 18 THE INTERGRATED CAD/CAM/ERP SOLUTION Drill another hole in the centre of... badaicadcam@gmail.com Page 14 THE INTERGRATED CAD/CAM/ERP SOLUTION 13 Dimensions Dimension the holes Dimension the chamfer with this icon NOTE: For chamfers that are not at 45° you must use the START AND TERMINATE SEGMENTS function Select the lines on either side of the chamfer to establish the angle and size Put the other dimensions onto the drawing with and select the relevant lines and arcs Save the file as CoverPlate.dft... the construction lines VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com by Page 17 THE INTERGRATED CAD/CAM/ERP SOLUTION Extrude the contour 8mm vertically upwards NOTE: Click on the red arrow to change the extrusion direction Join the two parts together with the Unite icon 4 Propagation Propagate the feet around the base with Use a CIRCULAR PROPAGATION and the cylinder as the. . .THE INTERGRATED CAD/CAM/ERP SOLUTION Select the coordinate system on a point icon click on the point created at the intersection Drill Ø5 holes Then on the newly created coordinate system Select COORDINATE SYSTEM Click onto the coordinate system then onto the face of the cover plate Select PROPAGATE Select CIRCULAR Select Z+ (or select the vertical side of the cover plate) VIETNAM... Page 11 THE INTERGRATED CAD/CAM/ERP SOLUTION Right click to accept 360° Type 3 and Enter Esc to exit the command 7 Chamfer Select the chamfer icon fer around the top edge 8 , place a 1mm x 45° cham- Feature tree To open the feature tree click on the left hand side of the graphics window, then onto your shape Alternatively left click and drag on the left hand side of the graphics window to open it, then... this area and select Edit then click on the shape Change the chamfer 1.5mm Change the number of holes to 6 Change the diameter of the centre hole to 10 Now change them all back to their original values with Save the file as CoverPlate.top VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 12 THE INTERGRATED CAD/CAM/ERP SOLUTION 9 Detail drawing of the cover plate Open a New... badaicadcam@gmail.com Page 13 THE INTERGRATED CAD/CAM/ERP SOLUTION Click the vertical axis Select OK Select OK and place the view 12 Change the position of the A-A Click the modify tool then click the text A-A Select FREE POSITION to put the text wherever you want it NOTE: INVERT will change the direction of the cutting arrows EXTREMITIES controls the position of the 2 ends of the cutting line VIETNAM CAD/CAM TECHNOLOGY... of Ø70 x 45° Select the top face of the body then select hole + countersinking as the hole type Note the 2 dialogues VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 19 THE INTERGRATED CAD/CAM/ERP SOLUTION 6 Change the workplane Select the menu Tools, Coordinate system Select XZ Choose SET AS CURRENT then TOP VIEW Draw a circle Extrude the circle With the unite icon of diameter... 15 THE INTERGRATED CAD/CAM/ERP SOLUTION Body Topics covered: • Cylindrical primitive • Sketch contours • Extrude + Unite • Propagation • Drilling 1 Open a new document select Design as the type 2 Cylinder Activate the shapes context menu then select the cylinder icon Enter 75mm Select Z+ Enter 90mm Enter 0,0,0 VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 16 THE INTERGRATED. .. Draw a circle Extrude the circle With the unite icon of diameter 50 at 0,28 by 40.5 in Z+ join them together Open the feature tree and move the drilling operation so that it comes after the unite This will have the effect of removing the obstruction from inside the hole Close the feature tree by clicking on the edge VIETNAM CAD/CAM TECHNOLOGY ,CO.LTD Support email: badaicadcam@gmail.com Page 20 . (trimming) Click on the trimming icon . For the shape to trim select the shaft. For the trimming shape select the open profile. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM. NOTE: INVERT will change the direction of the cutting arrows. EXTREMITIES controls the position of the 2 ends of the cutting line. THE INTERGRATED CAD/CAM/ERP SOLUTION VIETNAM CAD/CAM TECHNOLOGY. either side of the chamfer to establish the angle and size. Put the other dimensions onto the drawing with and select the relevant lines and arcs. Save the file as CoverPlate.dft THE