262 Machine Drawing
dharm
d:\N-Design\Des17-1.pm5
3
19
2
3
19
2
f
14 j6M6
36
42
f15H7
f
11
f
6.5
8
(12)
13
3
2 × 45°
(^20202)
26
(7)
7
6.5
10
f
11
f
6.5^40
Part
No. Name
1 2 3 4 5 6 7
Fixture body
End plate
Clamping bush
Grub screw
Tenon
Screw
Screw
Fig. 17.8 Milling fixture
Study the views and also the details of the part drawings and answer the following:
1. What is the size of the fixture base (1/2)?
2. What is the size of the end plate (2)?
3. How is the end plate fixed to the fixture body (1)?
4. What is the size of the block (1/1)?
5. How is the block connected to the base?
6. How many tenons are there and what are the sizes?
7. How are the tenons fixed to the base?
8. What is the specification of the screw (7)?
9. What is the thread size shown inside the clamping bush (3)?
10. What is the full specification and meaning of the grub screws.
11. How many grub screws are there?
12. What is the nature of surface provided (round/square/flat, etc.) at the marking ‘X’?
13. How do the two halves of the component (3) function to clamp the job?
14. What is the diameter of the job that is held for cutting a slit?
15. Give the values of the tolerances,
(a) 14 H7 and (b) 14 j 6.
16. What do you understand by the symbols,
17. Explain the geometrical tolerance, // 0.02 A shown in the views.
18. What is the depth of the thread and the drill to fit the component (6)?
19. Explain the weld symbol given in the drawing.
20. What do you understand by the welding symbol?
21. What is the value of the auxiliary functional dimension marked?
