Page:Practical Treatise on Milling and Milling Machines.djvu/51

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Explanation of Levers, Hand-wheels, etc., on Brown & Sharpe Constant Speed Drive Milling Machines

1. Friction clutch levers for starting and stopping machine.
2. Power feed trip and reverse lever for longitudinal movement of table.
3. Power feed trip lever for transverse movement of saddle.
4. Power feed trip lever for vertical movement of knee.
5. Knob for fine adjustment of spindle.
6. Table feed disconnecting lever.
7. Hand-wheel for transverse movement of table.
8. Hand-wheel for vertical movement of table.
9. Adjustable dog for controlling length of table movement.
10. Adjustable dog for controlling length of knee traverse.
11. Safety dog for preventing table running too far.
12. Safety dog for preventing knee running too far down.
13. Spindle drive tumbler gear lever.
14. Knob for sliding the tumbler gear.
15. Quill gear adjusting lever.
16. Back gear adjusting lever.
17. Spindle reverse lever.
18. Index plate of spindle speeds.
19. Feed drive tumbler gear lever.
20. Knob for sliding the tumbler gear.
21. Levers for moving change gears.
22. Levers for moving change gears.
23. Index plate of table feeds.
24. Raising block for spiral head.
25. Change gears for spiral head.
26. Table stops for preventing longitudinal table movement.
27. Adjustable centre.
28. Centre Rest.
29. Cutter Driver.
30. Chuck.
31. Drawing-in bolt.
32. Chuck collet.
33. Differential indexing centre.
34. Collet.
35. Index plates.
36. Vise.
37. Rapid index pin lever.
38. Fine feed lever.
39. Transverse and vertical feed locking lever.
40. Safety stop for transverse feed.
41. Adjustable dog for transverse feed.