Solution manual for print reading for engineering and manufacturing technology 3rd edition

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PART 2 AUXILIARY VIEW PRINT READING PROBLEMS Problem 6.8 Answer the following questions as you refer to the print shown on page 106.

1. Fully describe the views shown on this print. Front view, top view, and removed auxiliary view with viewing plane line labeled A A, and auxiliary view title VIEW AA. 2. What is the view called that is placed at an angle? Removed auxiliary view.

3. What is the purpose of the view described in Question 2? Shows the true size, shape and location of the features on the inclined surface.

4. Why is the view described in Question 2 necessary? The features on the inclined surface would not be in true size and shape and the circles appear elliptical in the top view where location of the features would be foreshortened.

5. What is the angle from horizontal of the slanted surface? 22.5° 6. Name the material used to make this part. ASTM A564 TYPE 630 7. What is the part name? SAW GUIDE FIXTURE BLOCK 8. Give the location dimensions to the features on one of the slanted surfaces. Feature 1: .188 and .250. Feature 2: .563 and .750 9. What size sheet was used for this drawing? B 10. What is the thickness of the feature at the slanted surface? .500 Problem 6.9 Answer the following questions as you refer to the print shown on page 107.

1. Fully describe the views shown on this print. There is a front view, top view, and right side view. There is a removed auxiliary view titled view Z. 2. What is the view called that is placed at an angle and located near zone A3? Auxiliary view 3. What is the purpose of the view described in Question 2? This view shows the true size and shape, and location dimension for the hole feature.

4. Describe the technique used to display the view identified in Question number 2. This technique is an optional reference arrow method can be used to show a removed auxiliary view. When this method is used, a viewing arrow with a view identification letter points to the location from where the view is taken. The auxiliary view is then placed in any desired location on the sheet and in the same orientation as the reference arrow. The view identification letter is placed above the auxiliary view.

5. What is the angle from horizontal of the slanted surface? 32° 6. Name the material used to make this part. STAINLESS STEEL PER UNS S30400 7. give the size of the holes in the slanted surfaces. Ø16.1/15.9 THRU 8. Give the location dimensions to the features on one of the slanted surfaces. 25.0 and 20.0 9. Where is the thickness of the material of the slanted surface identified and what is the thickness value? The material thickness is dimensioned in the front view as 3.0 CONSTANT 10. Identify the part number engraving specifications and describe where this information is found. LASER MARK - ENGRAVE OR STAMP SYNERJECT PART NUMBER LOCATED APPROXIMATELY AS SHOWN TEXT HEIGHT: 4mm. This information is found in a specific note on the top view.

Problem 6.10 Answer the following questions as you refer to the print on page 108.

1. Give the overall width, height, and depth of the part. 3.58 wide, 6.20 high, and 2.30 deep

2. Identify the radius to the center of the 6X .138-32UNC-2B features. R2.100 3. Name the view where the features identified in question number 2 are found. Front view 4. Identify the material for this part. AL 5052–H32 .05 THICK 5. Name the view where the 2X .250–20UNC–2B features are found. Top view 6. How is the auxiliary view correlated to its adjacent view? There is a centerline connecting features between the two views 7. Give the location dimension to the center of the feature in the auxiliary view. 5X .280 8. Identify the angle of the surface off the R1.805 dimension in VIEW A-A. 15˚ Chapter 7 – Manufacturing Materials and Processes Print Reading Problems – Solutions Part I Problem 7.1 through Problem 7.34 Written reports, answers will vary.

Part II Problem 7.35 Answer the following questions as you refer to the print shown on page 158.

1. How can you determine by reading this print that the part is made by forging? Forging is identified in the title block, and in note number 4.

2. Describe the forging process. Forging is a process of shaping malleable metals by hammering or pressing between dies that duplicate the desired shape.

3. Briefly describe cold and hot forging, and explain which process was used to form this part. Forging can be accomplished on hot or cold materials. Cold forging is possible on certain materials or material thicknesses where hole punching or bending is the required result. Some soft, nonferrous materials can be forged into shape while cold.

Ferrous materials such as iron and steel must be heated to a temperature that results in an orange-red or yellow color. This part is made from SAE 4320 steel, which is likely to be formed using hot forging.

4. Identify at least two advantages of forging over casting and machined parts. The advantage of forging over casting or machining operations is that the material is shaped into the desired form, and in the process, it retains its original grain structure. Forged metal is generally stronger and more ductile than cast metal and exhibits a greater resistance to fatigue and shock than machined parts. The grain structure of the forged material remains parallel to the contour of the part, while the machined part cuts through the cross section of the material grain.

5. Give the material used for this part. SAE 4320 6. Identify where the specification is found and give the specifications for the text forged into the handle. The specification for the text forged into the handle is given in general note number 3, and the specifications read: TEXT ON HANDLE CENTERLINE: ARAIL BLACK, BOLD, .15 HIGH 100% WIDE.02 RAISED: RIGHT SIDE: 0-1" DROP FORGED. LEFT SIDE: 0-25MM HEAVY DUTY. 7. Locate and identify the plating specifications used on this part. Note number 5: CHROMIUM PLATE PER NASA/JSC PRC 5003, CLASS 1, TYPE B. 8. Give the sheet number of this print. 2 9. How many sheets are there in the set of drawings where this print is located? 5 10. What is the drawing number? 01105-01 11. Identify the drawing scale. 1:1

Problem 7.36 Answer the following questions as you refer to the print shown on page 159.

1. Give the specification for the counterbore feature found on the right side view. 4X Ø.270± .010 THRU [ED: counterbore symbol] Ø.44 [ED: depth symbol] .43 2. Identify the specification for the counterbore feature found on auxiliary view that is projected from the right side view. 5X Ø.180± .010 THRU [ED: counterbore symbol] Ø.312 [ED: depth symbol] .25 3. Give the specification of the threaded feature found on the left side view. 6X .13832UNC-2B [ED: depth symbol] .25 MIN 4. Identify the specification of the threaded feature found on top view that is located above the left side view. 2X .250-20UNC-2B [ED: depth symbol] .30 MIN 5. Give the specification of the combined threaded feature and counterbore feature found on top view that is located above the left side view. 2X .250-20UNC-2B [ED: depth symbol] SHOWN, [ED: counterbore symbol] Ø.28 [ED: depth symbol] SHOWN, [ED: counterbore symbol] Ø.44 [ED: depth symbol] SHOWN Chapter 8 – Reading Dimensions Print Reading Problems – Solutions Problem 8.1 Answer the following questions as you refer to the print shown on page 207.

1. What is the type of dimensioning system that uses no dimension lines as displayed on this print? Rectangular coordinate dimensioning without dimension lines 2. The dimension numerals on this print are placed so they read from the bottom and right side of the sheet. What is this system called? Aligned dimensioning 3. Give the overall length, width, and thickness of the part. 58 inches × 12–1/4 inches × 1/2 inch 4. What is the width and depth of the slot that runs the entire length of the part? .625/.630 wide × .125 deep 5. How many slots are there that run the width of the part? Five 6. Give the width and depth of the slots described in Question 5. 2 inches wide × 1/4 inch deep 7. There are two features with rounded ends. Give the location dimensions to each of these features along the X axis. 13–13/32 and 44–9/16 8. Give the location dimension along the Y axis to the features described in Question 7. 6– 3/16 9. Give the width of the features described in question 7. 2–1/4 10. List the number and specification of each different-sized hole in this part. Ø 5/8 thru 2 places Ø 7/32 drill thru Ø7/16 × 82˚ CSK 8 places Ø 7/32 drill thru Ø27/64 × 82˚ CSK 12 places 11. Give the location dimensions to the Ø5/8 features along the X axis. 10–1/2 and 47–1/2 12. Give the location dimensions to the Ø5/8 features along the Y axis. 6–3/16 Problem 8.2 Answer the following questions as you refer to the print shown on page 208.

1. What is the type of dimensioning system that uses no dimension lines and keys features to a table displayed on this print? Rectangular coordinate dimensioning without dimension lines and tabular dimensioning

2. How many different holes are in this part? Five 3. Give the overall length, width, and thickness. 10.750 × 7.000 × .048 4. Give the quantity and specifications of the slots. Quantity 4, .250 × 1.000 slot 2x full radius ends 5. What is the tolerance of the 5.875 dimension? ±.005 or .010 total 6. Explain the meaning of the parentheses on the (4.250) dimension. The dimension is a reference dimension, not required, given probably for clarity 7. How many “B” holes are displayed? Twenty 8. What is the diameter of the “B” holes? Ø.250 9. Give the full name of the material used to make this part. Cold rolled steel 10. What is the bend radius? .032 radius 11. Give the finish specification. Finish: phosphate and paint 12. Give the paint specification. Polane "T" carbide black fine nubular all surfaces and edges 13. Give the X coordinate location of the two “D” holes. 5.375 14. Give the Y coordinate location of the two “D” holes. 3.375 and 5.125 15. Give the X coordinate location of the upper right “A” feature. 10.250 16. Give the Y coordinate location of the upper right “A” feature. 6.750 17. Give the dimensions to the bend lines. 2.000 and 6.500 18. What is to be done with sharp edges? They are to be removed.

Problem 8.3 Answer the following questions as you refer to the print shown on page 210.

1. Describe the dimensioning symbol and the function of this symbol associated with the 10.0 and 80.0 dimensions found on the front view. The dimension origin symbol is used when the dimension between two features must clearly identify from which feature the dimension originates. This method of dimensioning means the origin feature must be established first and the related feature is then dimensioned from the origin.

2. Give the specifications of the holes in this part? 4X M4.0 X 0.7 THRU 3. List the angles between the holes identified in Question number 3. 72°, 90°, 60°, and 45° 4. Identify the diameter of the bold circle for the holes identified in Question number 3. Ø45.0 5. Give the overall dimensions of the part. 80.0 high X Ø60.0 6. What is the tolerance of the Ø60.0 dimension and where is the tolerance found? The tolerance is found in the tolerance block and is 1 PLC DEC = ±0.2, 60±0.2 = 60.2/59.8, tolerance = 0.4.

7. Name the symbol of the circle found on the leader line associated with the R5.0 dimension. All around.

8. Give the dimension from center, the angle from horizontal, and the height of the surface cut away from the Ø19.5 feature. 8.0 from center, 65° from horizontal, 45.0 high 9. What is the surface finish? Ra 3.2 10. Give the full name of the material used to make this part. TOOL STEEL PER UNS G41400 OR G41420 11. What is to be done with sharp edges? REMOVE ALL BURRS AND BREAK ALL SHARP EDGES AND CORNERS 12. Identify the dimensioning and tolerancing standard used for this drawing. INTERPRET

DIMENSIONS AND TOLERACES PER ASMEY14.5-2009.

13. Are the dimension values in inches or millimeters on this print? Millimeters 14. Name the view, give the view scale, and specify the angle at the corner of the Ø19.5 feature. View Y, scale 4:1, and 20° all around 15. Give the cleaning specifications. PART MUST BE CLEAN AND FREE OF OIL AND FOREIGN MATTER 16. Give the tolerance of the 20° dimension. ±1°, tolerance = 2° Problem 8.4 Answer the following questions as you refer to the print shown on page 211.

1. Describe the dimensioning practice used on this print. Tabular dimensioning is a form of rectangular coordinate dimensioning without dimension lines in which size and location dimensions from datums or coordinates (x, y, z axes) are given in a table identifying features on the drawing. In tabular dimensioning, each feature receives a label with a letter or number that correlates to a table. Some companies take this practice one step further and display the location and size of features in the table from an X and a Y axis. The depth of features is also provided from the Z axis where appropriate. Each feature is labeled with a letter or number that correlates to the table.

Give the specifications of feature A3, including location dimensions and 2. description?

XDIM 92.00, YDIM 21.00, Ø3 THRU 3. Give the specifications of feature C1, including location dimensions and description?

XDIM 26.00, YDIM 15.00, Ø6 THRU, [ED: use counterbore symbol] Ø10 [ED: depth symbol] 5 Give the specifications of feature E1, including location dimensions and 4. description?

XDIM 18.00, YDIM 35.00, M5X0.8-6H [ED: depth symbol] 6 5. Give the overall dimensions of the part. 96X50X20 6. Provide a detailed description and explanation of the note: TOLERANCES: ISO 2768-m, and include information about all four classes of metric size tolerances. Metric tolerancing is generally controlled by the ISO 2768 General Tolerances standard developed by the International Organization for Standardization (ISO). ISO 2768 tolerancing is based on the size of features. Small feature sizes have closer tolerances and larger feature sizes have larger tolerances. There are four classes of size tolerances. These include fine (f), medium (m), coarse (c), and very coarse (v). Each class is represented by its abbreviation in parentheses. A company can select the class that best meets its dimensioning requirements. For example, a company that manufactures precision parts and equipment might select the medium class (m) for general metric tolerances. This print shows an unspecified metric dimension using general tolerances according to ISO 2768-m for medium class specified in the dimensioning and tolerancing block.

7. What is the surface finish? 0.80 micrometers 8. What is to be done with sharp edges? REMOVE ALL BURRS AND SHARP CORNERS 9. Identify the dimensioning and tolerancing standard used for this drawing. ASME Y14.52009

10. Are the dimension values in inches or millimeters on this print? Millimeters Problem 8.5 Answer the following questions as you refer to the print shown on page 212.

1. Describe the dimensioning symbol and the function of this symbol associated with the 2.5, 10.5, 11.5 and 17.0 dimensions found on the front view. The dimension origin symbol is used when the dimension between two features must clearly identify from which feature the dimension originates. This method of dimensioning means the origin feature must be established first and the related feature is then dimensioned from the origin.

2. Describe the dimensioning practice used in the front view. Direct dimensioning is applied to control the size or location of one or more specific features. Baseline dimensioning is used to control the size of four features and direct dimensioning is used to control the maximum variation of these four features by the tolerance on the dimension between the features. This results with direct dimensioning is the least tolerance buildup.

3. Give the overall dimensions of the part, and show calculations where needed. 17.0+10.5 = 27.5, Ø9.0 4. What is the tolerance of the Ø9.0 dimension and where is the tolerance found? The tolerance is found in the tolerance block and is 1 PLC DEC = ±0.2, Ø9.0±0.2 = 9.2/8.8, tolerance = 0.4.

5. Name the symbol of the circle found on the leader line associated with the R1.5 dimension. All around.

6. Give the diameter and tolerance of the feature located from where view Z is taken. Ø2.74/2.50, tolerance: 2.74-2.50 = 0.24.

7. What is the surface finish? Ra3.2 8. Give the full name of the material used to make this part. FORMOSA FM090 OR SYNERJECT ENGINEERING APPROVED EQUIVALENT COLOR: WHITE 9. Identify the square-shaped symbols found on each side of the left side view. A parting line is associated with plastic molded part prints, and with metal castings and forgings. A parting line can be placed on the drawing to represent the mating surfaces of the die or mold components, and is used in the same manner on castings, forgings and molded parts. The parting line is shown as a phantom line type and has parting line symbols placed on the parting line.

10. Refer to the general note number 6 and describe the standard used in reference to this note. Standards for the drafting of castings and forgings are recommended in ASME Y14.8-2009, Castings, Forgings, and Molded Parts. This standard covers definitions and features unique to casting, forging, and molded part technologies and provides recommendations for uniform specifications on engineering drawings and related documents. A general note is generally found on the casting, forging or molded part print that reads: PREPARED IN ACCORDANCE WITH ASME Y14.8-2009.

11. Name the view, give the view scale, and identify the specifications of the angle at the corner of the Ø2.74/2.50 feature. View Z, view scale is 10:1, and the angle is 1.5 X 20° all around.

12. Identify the sheet size. A3 Problem 8.6 Answer the following questions as you refer to the print shown on page 213.

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