Homework #10
DUE TO THANKSGIVING HW #10 IS
DUE ON FRIDAY NOVEMBER 30, 2012
HAPPY THANKSGIVING!!!!!!
Problem #1:
a. Create a model of Figure 9.86 on page 534 in the text
b. Create a drawing file with the front, top, right views and save it
c. Put dimensions on all features of drawings and use the corner of the drawing
as the origin.
d. Insert a tolerance of 0.006 inches (use plus/minus 0.003”) on all linear
dimensions and a tolerance of 0.002 inches (use plus/minus 0.001”) on
diameters of holes
e. Right click on the drawing and edit Sheet Format to insert
a. Your name
b. Date
c. Title
d. Name of checker
THE NEXT TWO PROBLEMS #2 AND #3 SHOULD BE DONE ON
THE COMPUTER USING EXCEL FOR NECESSARY SKETCHES
AND CALCULATIONS
Problem 2 : CLEARANCE FIT :
Determine dimensions of a shaft and a hole system when the basic size is
12 inches. Use the ANSI Running and Sliding Fits (RC) Table (Class
RC9) in Appendix 3 of your text. Specifically,
a) Find the size of the hole (MAX, MIN)
b) Find the size of the SHAFT (MAX, MIN)
c) Determine max and min clearance/interference and write
clearance or interference next to your result
d) Find shaft tolerance
e) Find hole tolerance
f) Find system tolerance
HW CONTINUES TO NEXT PAGE
Problem #3: INTERFERENCE FIT :
Determine dimensions of a shaft and a hole system when the basic size is
12 inches. Use the ANSI Interference Locational
Fits (LN) Table (Class LN3) in Appendix 6 of your text. Specifically,
a) Find the size of the hole (MAX, MIN)
b) Find the size of the SHAFT (MAX, MIN)
c) Determine max and min clearance/interference and write
clearance or interference next to your result
d) Find shaft tolerance
e) Find hole tolerance
f) Find system tolerance