Autocad Exercises Mechanical

Chapter 12 Exercises - Mechanical Engineering

AutoCAD 2004 Instructor

CHAPTER 12 EXERCISES 1. Metric Drawing Setup Create a template drawing for use in metric drawings to be plotted at a scale of 1 to 1. Begin a New drawing and Start from Scratch; use the Metric default settings. Next, follow the steps listed below. A. Set Units to Engineering and Precision to 0. B. Set Limits for a B-size sheet (11x17). To convert from inches to millimeters multiply by 25.4 to achieve Limits of 431.8,279.4, then Zoom All. C. Set Grid and Grid Snap to 10. D. Load the Center2, Hidden2, and Phantom2 Linetypes. E. Create the following Layers and change their Color, Linetype, and Lineweight as indicated. OBJECT CENTER PHANTOM HIDDEN

continuous center phantom hidden

red yellow blue magenta

0.40mm Default Default Default

F. Save the drawing as METRIC-B.

2. Mechanical Engineering Drawing Setup Using the Quick SetupWizard Create a template for a drawing to be plotted on C-size paper at a scale of 3/4“ = 1”. Use the Quick Setup Wizard to assist with the following setup. (Make sure the new drawing is based on the template ACAD.DWT.) A. B. C. D. E. F. G.

In the Units section select Decimal. In the Area section specify 29.3 and 22.7, then select the Finish button. Zoom All. Set Grid Snap to .25. Set Ltscale to 1.33. Load the Center2, Hidden2, and Phantom2 Linetypes. Create the following Layers and assign the Color, Linetype, and Lineweight as indicated. OBJECT CENTER PHANTOM HIDDEN

H.



0.016” Default Default Default

Save the drawing as MECH3-4 -C.

3. Architectural Drawing Setup Create a template for an architectural drawing to be plotted on B-size paper at a scale of 1/4“ = 1”. Use Start from Scratch, with the English default settings. Continue using the following setup. Copyright 2004 The McGraw-Hill Companies. All rights reserved.


AutoCAD 2004 Instructor A. B. C. D. E. F.

Set the Units to Architectural. Set the Limits to 72’,48’, then Zoom All. Set Grid to 12 and Grid Snap to 12. Set Ltscale to 48. Load the Center2, Hidden2, and Phantom2 Linetypes. Create the following Layers and assign the Color, Linetype, and Lineweight as indicated. OBJECT CENTER PHANTOM HIDDEN

G.




Save the drawing as ARCH1-4-B.

4. Civil Engineering Drawing Setup Using the Advanced Drawing Setup Wizard Create a template drawing using the Advanced Drawing Setup Wizard. The template is for a 1”=20’ drawing using feet and decimal feet on an engineering D-size sheet. A. B. C. D. E. F. G. H.

In the Units section select Architectural. Accept all the defaults for angular settings by selecting the Finish button. In the Area section specify units of 680’ and 440’, then select Finish. Zoom All. Set Grid to 20’ and Grid Snap to 1’. Load the Center2, Hidden2, and Phantom2 Linetypes. Set Ltscale to 240. Create the following Layers and change their Color, Linetype, and Lineweight as indicated. OBJECT CENTER PHANTOM HIDDEN

I.




Save the drawing as CIVIL20-D.

Copyright 2004 The McGraw-Hill Companies. All rights reserved.



CHAPTER 14 EXERCISES 1. Plot Model Space Extents to Scale Open drawing CH9EX1-M from Chapter 9 exercises. Activate the Model tab. Reset your Limits to plot on a B-size paper (17x11). Plot the drawing Extents at 1=1. Check the accuracy of the plot by measuring the lines on the plot with a scale.

2. Plot Model Space Limits to Scale Open the drawing from Chapter 11 exercises named CH11EX1-M. Activate the Model tab. Center the drawing in the drawing limits by using the Move command. Plot the Limits at a scale of 1=1.

3. Plot a Layout Open CH13EX1-M. Activate the Layout you set up for printing. Use Pagesetup to ensure the proper plot device is configured for the plot, then create the plot or print.

4. Plot a Layout Open the CH13EX2-M drawing. Activate the layout named ANSI B Title Block. Use Pagesetup to ensure the proper device and sheet size is configured. Make the print or plot.

5. Plot a Layout Open the CH13EX3-M drawing. Activate the layout named ANSI B Title Block. Use Pagesetup to ensure the proper device and sheet size is configured. Make the print or plot. When finished, use a scale to measure the geometry and ensure the gasket printed at a 1:1 scale (refer to Chapter 9 Exercises for dimensions).




CHAPTER 18 EXERCISES 1. Bill of Materials

Figure ME18-1

Open the BOM drawing from Chapter 15 Exercise 3. Modify the Lines and add all Text as shown in Figure ME18-1. Use Romans font and a height of .125. SaveAs BOM2.

2. Diagram of the Design Process Complete the diagram of the design process shown in Figure ME18-2. Use the Style command to change the font to Arial, and use any convenient size. Use the Pline command with different Starting and Ending Widths to create the arrowheads. Save the drawing as CH18EX2-M.

Figure ME18-2

3. General Notes Using the Windows Notepad, create the following set of general notes: NOTES: 4. 3. 2. 1.

FINISH ALL OVER. BREAK SHARP EDGES TO R.08. G33106 ALLOY STEEL – BRINELL 340-380. ALL DRAFT ANGLES 3° UNLESS OTHERWISE SPECIFIED.

Save the text file as NOTES.TXT.



AutoCAD 2004 Instructor 4. Importing External Text into AutoCAD Open the packing gland drawing completed as CH11EX1-M. Use the Mtext command, right-click, and select Import Text... from the shortcut menu. Select the NOTES.TXT file created in exercise 3 and import the text as shown in Figure ME18-3. Save the drawing as CH18EX4-M.

Figure ME18-3




CHAPTER 20 EXERCISES 1. Screws Complete the drawing of the screw shown in Figure ME20-1. Group the items together and Copy the Group two times so there is 1.5” spacing between the screw centers as shown in Figure ME20-2. Add the Lines to represent an assembly. Save the drawing as CH20EX1-M. Figure ME20-2

Figure ME20-1

2. Ventilation Panel (Part 1) Open the ventilation panel created in Chapter 9 Exercise 7 named VENTPNL. Create a new Layer named Holes. Use Object Selection Filters to filter out all the objects except for the Circles. Use Properties to change the layer of the filtered objects to Holes. List one of the holes to Figure ME20-3 ensure its layer has changed.

3. Ventilation Panel (Part 2) Using the same drawing as the previous exercise, Group all of the rectangular vent openings and Copy the Group as shown in Figure ME20-3. Use Qselect and Properties to find and move the vent openings to a new Layer named Vents. SaveAs CH20EX3-M.




4. Gear Train Open the SGEAR drawing created in Chapter 9 Exercise 6. Use Group to assign all objects to one group named GEAR. Copy the Group to complete the gear train shown in Figure ME20-4. SaveAs CH20EX4-M. Figure ME20-4




CHAPTER 21 EXERCISES 1. Fasteners Complete the drawing of the three fasteners shown in Figure ME21-1. Create a Block for each of the fasteners. Do not include the dimensions or the text in your drawing. Name the Blocks as indicated in Figure ME21-1. Save the drawing as CH21EX1-M. Figure ME21-1

2. Revision Block and Title Block Creation A.

Begin a New drawing. Create Layers named RBLK and RBTEXT. On the layer named RBLK draw a Rectangle 5.5 x 1.25 and add Text and Lines as shown in Figure ME21-2. Save the drawing as RBLK.

Figure ME21-2



AutoCAD 2004 Instructor B.

Begin a New drawing and create the title block and border as shown in Figure ME21-3. Save this drawing as TITLEBLK.

Figure ME21-3

3. Insert Open the drawing of the Hinge Bracket named CH8EX3-M. Activate a new layout and use Pagesetup to specify a Plot Device and Paper size for a 17 x 11 (B size) sheet. (If you do not have a B size plot device, use Plotter Manager to configure a Hewlett-Packard 7475A). Use Insert to place a copy of the title block drawing (TITLEBLK) and the revision block drawing (RBLK) as shown in Figure ME214. Save the drawing as CH21EX3-M.

Figure ME21-4

Figure ME21-5

4. Weld Symbols Complete the drawing of the weld symbols shown in Figure ME21-5. Use Wblock to create a separate drawing for each of the symbols. The Block names to be used are indicated below each weld symbol in Figure ME21-5 (do not include the text representing the block names in your drawing). Save the drawing as CH21EX4-M. Copyright 2004 The McGraw-Hill Companies. All rights reserved.



CHAPTER 23 EXERCISES 1. Plate Draw the steel plate according to the dimensions shown in Figure ME23-1, Plate A. Copy the plate so that there are two identical figures. Use the Stretch and Move modes of Grips to resize and relocate the holes and the plate perimeter as shown in Plate B. Save the drawing as CH23EX1-M. Figure ME23-1

2. Shaft Draw Shaft A as shown in Figure ME23-2. Copy the shaft and use Grips to resize the new shaft to the dimensions as shown in Shaft B. Save the drawing as CH23EX2-M. Figure ME23-2




Figure ME23-3

3. Hub (Part 1) Complete the drawing of the hub as shown in Figure ME23-3. Use Rotate with the Copy option of Grips to create the 45° angle center lines and to array the holes. Save the drawing as CH23EX3-M.

4. Hub (Part 2)

Figure ME23-4

Open CH23EX3-M and use Grips to make the modifications shown in Figure ME23-4. SaveAs CH23EX4-M.




CHAPTER 24 EXERCISES 1. Feeder Plate

Figure ME24-1

Complete three views of the drawing shown in Figure ME24-1. Use different Layers to draw each linetype. Insert an appropriate border and titleblock. Save the drawing as CH24EX1-M.

2. Angle Bracket

Figure ME24-2

Complete all the views necessary to describe the angle bracket shown in Figure ME24-2. Use an appropriate border and titleblock. Save the drawing as CH24EX2-M.




Figure ME24-3

3. Shaft Support Complete a multiview drawing of the shaft support shown in Figure ME24-3. Save the drawing as CH24EX3-M.

Figure ME24-4

4. Lift Block Create a multiview drawing of the lift block shown in Figure ME24-4 complete with three views. Save the drawing as CH24EX4-M.




CHAPTER 26 EXERCISES 1. Bearing

Figure ME26-1

Draw the two views of the bearing displayed in Figure ME26-1, but convert one view to a full section as indicated. Save the drawing as CH26EX1-M.

2. Truck Wheel

Figure ME26-2

Draw two views of the truck wheel shown in Figure ME26-2. Convert one view to a half section as indicated. Save the drawing as CH26EX2-M.




Figure ME26-3

3. Idler Pulley Draw the front and side views of the assembled mechanism shown in Figure ME26-3. Select the two views that most clearly show the order of assembly. Show one of these views in full section. Plan to plot on a “B” size sheet. Omit all dimensions and use the proper sectioning symbols for the designated materials. Save the drawing as CH26EX3-M.

Figure ME26-4

4. Die Casting Create the two views of the die casting shown in Figure ME26-4. Add the offset section of the die casting as indicated by the cutting plane line in Figure ME26-4. Save the drawing as CH26EX4-M.




CHAPTER 27 EXERCISES Figure ME27-1

1. Shaft Support Complete the front, top, and auxiliary view of the shaft support shown in Figure ME27-1. Do not include dimensions in your drawing. When completed, Save the drawing and assign the name CH27EX1-M.

2. Mounting Bracket Complete the front view and two primary auxiliary views of the mounting bracket shown in Figure ME27-2 views A and B. The thickness of the part is .125. Do not include dimensions in your drawing. Save the drawing as CH27EX2-M. Figure ME27-2




3. Control Bracket Draw a front view and two partial auxiliary views of the control bracket shown in Figure ME27-3. Do not include dimensions in your drawing. Save the drawing as CH27EX3-M. Figure ME27-3

Figure ME27-4

4. Stop Plate Complete the top and front views of the stop plate shown in Figure ME27-4. Add the necessary partial auxiliary view of the angled surface. Do not include dimensions in your drawing. Save the drawing as CH27EX4-M.




CHAPTER 28 EXERCISES Figure ME28-1

1. Slide Block Complete the drawing of the Slide Block as shown in Figure ME28-1. Add the Diameter and the Linear dimensions. SaveAs CH28EX1-M.

2. Plate

Figure ME28-2

Complete the drawing of the plate in Figure ME28-2. Create all location dimensions as Ordinate dimensions. Save the drawing as CH28EX2-M.




Figure ME28-3

3. Control Bracket Draw all necessary views of Figure ME28-3. Place all dimensions and tolerance notations as shown. Save the drawing as CH28EX3-M.

4. Mounting Bracket Complete a multiview drawing including the dimensions of the mounting bracket shown in Figure ME28-4. Save the drawing as CH28EX4-M. Figure ME28-4




CHAPTER 30 EXERCISES 1. Assembly Draw each of the parts shown in Figure ME30-1A. Create each part as a separate drawing, but do not include the dimensions. Save the drawings as PARTA, PARTB, PARTC, and PARTD. Figure ME30-1A

Figure ME30-1B Create a new drawing and use the Attach option of the Xref command to assemble the individual parts as shown in Figure ME30-1B. Save the new drawing as CH30EX1-M.




Figure ME30-2A

2. Tools Draw each of the tool components shown in Figure ME30-2A and save as separate drawings. Do not include the dimensions in your drawings. Save the drawings as HANDLE, SLOT, and AWL.

Begin a New drawing and use the Attach option of the Xref command to assemble two complete tools as shown in Figure ME30-2B. Save the new drawing as CH30EX2-M.

Figure ME30-2B



AutoCAD 2004 Instructor 3. Hammer

Figure ME30-3A

Complete three separate drawings of the three parts shown in Figure ME30-3A. Do not include the dimensions in your drawings. Assign appropriate names to the three drawings when you Save them.

Begin a New drawing and Xref each part into it as shown in Figure ME30-3B. Save the new drawing as CH30EX3-M.

Figure ME30-3B

If any modifications are required, Use Xopen to open the appropriate drawing in a separate window to make the changes.




4. Parts Complete three separate drawings of the three parts shown in Figure ME30-4A. Create each view on a separate layer. Do not include the dimensions in your drawings. Assign appropriate names to the three drawings. Begin a New drawing and Xref each part to create an assembly as shown in Figure ME30-4B. Use the appropriate layer settings to display only the needed views as shown. SaveAs CH30EX4-M. Figure ME30-4A

Figure ME30-4B




CHAPTER 31 EXERCISES 1. Copylink, Pasteclip Open the CH22EX1-M drawing from the Chapter 22 exercises. Use Copylink to copy the entire drawing to the Windows clipboard. Start WordPad and type the following sentence: “Identify each type of bolt in the following figure below.” Use Pasteclip to insert the contents of the clipboard into WordPad. Save the WordPad file as CH31EX1-M.DOC.

2. Copyclip, Pasteclip In this exercise you will create a cover sheet and insert general notes onto the sheet. Begin a New drawing and set Limits for a “C-Size” sheet. Create or Insert a border and titleblock. While AutoCAD is running, start WordPad and type the paragraph of notes as shown below. 1. 2. 3. 4. 5. 6. 7.

INTERPRET DIMENSIONS AND TOLERANCES PER ANSI Y14.5M-1994. UNLESS OTHERWISE SPECIFIED, ALL DIMENSIONS ARE IN MILLIMETERS. REMOVE ALL BURRS AND SHARP EDGES. ALL FILLETS AND ROUNDS R5. CASE HARDEN 62 ROCKWELL C SCALE. FINISH BLACK OXIDE. PART TO BE CLEAN AND FREE OF FOREIGN DEBRIS.

Next, select all of the text and use the Copy command (Copy from the Edit pull-down menu) to copy the text from WordPad to the clipboard. Return to the new AutoCAD drawing and use Pasteclip to insert the text as shown in Figure ME31-1. You may need to resize the text box to generate appropriately sized text. Save the drawing as CH31EX2-M.

Figure ME31-1




3. Editing an Embedded Object Open the CH31EX2-M drawing from the previous exercise. Double-click on the text block to open the text back in the original WordPad program. Change the size of the fonts and make all of the text bold. Exit WordPad. Note that the changes are automatically updated in AutoCAD. SaveAs CH31EX3-M.

4. Copyclip, Pasteorig Open drawing CH28EX2-M from the Chapter 28 exercises. Use Copyclip and select all objects to copy to the Windows clipboard. While this drawing is open, begin a New drawing. Use Pasteorig to paste the objects into the new drawing. Use Saveas and assign the name CH31EX4-M to the new drawing. If you compare the two open drawings (use the Window pull-down menu or press Ctrl+Alt), you may notice that the dimensions appear differently since the new drawing does not have a previously created dimension style or appropriate dimension variable settings. To remedy this you can perform one of the following actions:

Figure ME31-2

A. Use DesignCenter to drag and drop the dimensions style from the CH28EX2-M drawing into the CH31EX4-M drawing, make the new dimension style current, then Update the existing dimensions. B. Create a new dimension style with the appropriate settings, then Update the existing dimensions. When you are satisfied that the two drawings look the same, Erase the diameter dimensions in the CH31EX4-M drawing and replace them with labels A, B, and C as shown in Figure ME31-2. Next, while AutoCAD is running, open Word and construct the following table: Hole Letter A B C

Number of Holes 4 2 1

Hole Diameter .25 .75 .88

Hole Depth Thru Thru Thru

When finished, use Copy from the Edit pull-down menu (in Word) to copy the table to the Windows clipboard. Go to your AutoCAD drawing and use Paste to bring the table into the CH31EX4-M drawing. Highlight the table and reposition and resize the table appropriately. (Alternately, right-click on the highlighted table and select Properties… from the menu to produce the OLE Properties dialog box. Experiment with the Size and Scale to achieve the desired arrangement.) In the OLE Properties dialog box, set the Plot Quality to Line Art to achieve a high quality print. Save the drawing and make a print. Copyright 2004 The McGraw-Hill Companies. All rights reserved.



CHAPTER 32 EXERCISES For these exercises you should download the following files from the www.mhhe.com/leach Web site: BEV.GIF, DFLO.JPG, PLATE.BMP, and CASTER.TIF.

1. Bevel Gear

Figure ME32-1

Complete the drawing of the bevel gear shown in Figure ME32-1. Activate a layout and Insert a titleblock and border. Use Imageattach to place the BEV.GIF file in the upper right corner of the drawing. Save the drawing as CH32EX1-M.

2. Gate Valves

Figure ME32-2

Complete the drawing of the gate valves shown in Figure ME32-2. Activate a layout and Insert a titleblock and border. Use Imageattach to place the DFLO.JPG file on the right side of the drawing. Save the drawing as CH32EX2-M.



AutoCAD 2004 Instructor Figure ME32-3

3. Plate Complete the drawing of the plate shown in Figure ME32-3. Activate a layout and Insert a titleblock and border. Use Imageattach to place the PLATE.BMP file on the right side of the drawing. Use Imageadjust to adjust the appearance of the image. Save the drawing as CH32EX3-M.

4. Caster Assembly Open exercise CH30EX1-M from Chapter 30. Activate a layout and Insert a titleblock and border. Use Imageattach to place the CASTER.TIF file in the open area on the right side of the drawing as shown in Figure ME32-4. Use Imageadjust to adjust the appearance of the image. Save the drawing as CH32EX4-M. Figure ME32-4


Autocad Exercises Mechanical

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