BRX210 ‘Mechanical
Blueprint Reading’
Unit #11
Machining Details
After studying this unit, you will be
able to:






Determine the difference between a ‘neck’ and a
‘groove’
Determine the sizes of necks and grooves
Identify common types of slots
Identify type and size of a keyway and keyseat
Distinguish between a boss and a pad
Identify a flat
SPINDLE QUIZ
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
3/8 – 24UNF-2A
.0004
.0943/.0928
.3939/.3936
.3939/.3936
3/32 x ½ DIA.
.3454/.3444
2X
.2502/.2498, .4395/.4390, .3939/.3936
.0935 (3/32)
½
SO DRAWING WILL BE LESS CLUTTERED
½
ENGINEERING SPECIFICATIONS 19/32
19/32
.018 - .022
32 √ MAX
UNF (UNIFIED NATIONAL FINE)
46L20 CRS ½ DIA.
CLASS 2 FIT – EXTERNAL THREAD
DRIVE PULLEY QUIZ
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
.480
7/16
.1885
½
2.305
1.30
13/32
1
1-3/32
MODIFY PURCHASED CASTING
38°
1-9/16
.751
THE OUTSIDE DIAMETER OF
THE RECESS
7/32
WAS ¼
SANDED, NICKEL PLATED
REFERENCE
.471
.240
Cover Plate Quiz
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
FULL
GROOVE
3
5/32
0.1935
3.505
2-1/16
125 √ ALL OVER
1.145
5/32
3/8
3
ALUM. CASTING
YES
0.942/0.937
DEPTH ADJUSTMENT PLATE QUIZ
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
6-1/2, 7/16, 3/8
#7 GA. (.1793)
½, 7.580
11/32
6-1/2
5.215
CADMIUM PLATE
0.1875
44-66-0480
11/64
0.1793 +/- 0.007
BILATERAL
FULL
4.34
4.09
0.1863
0.25
2.118
8
7.575
CORE BIT EXT. BLANK QUIZ
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
1
7.51
0.630/0.625
1/16 x 45°
3/16
YES, CLASS 1
1”
\0.5525
NO TOOL MARKS
0.3125
¾
NOT TO SCALE
1
60° WAS 45° ON CHAMFERS
REMOVED
08-62-1630
23
30° (ANGULAR)
5.5625
3
LINK ARM QUIZ
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
1.998
5.25
WAS 3/8 (PART THICKNESS)
11/16
1, 1-5/16
0.0005/0.0025
1-3/8
INCREASED
4
NO
0.078
0.5
0.25 (1/4)
ALUMINUM CASTING
3/32
4
0.625
¼-20, ½-13
1.375
FRANKSVILLE, WISCONSON
PILOT LEVER QUIZ
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
11/16
ONE
R 1/16
7/16
1-1/8
5/8
NICKEL PLATE
PHANTOM
REFERENCE
1.5
¼
3/8
INTERNAL THREAD
0602-R-L
FRONT, TOP, LEFT
SIDE
7/16
1-1/4
+/- 1/64
1-1/16
LEFT SIDE