Testing Machine Tools For the use of Machine Tool Makers

Testing Machine Tools
For the use of Machine Tool Makers,
Users, Inspectors and Plant Engineers
DR. GEO. SCHLESINGER
Index [0 Contents
PAGE
Introduction . 0 . . . 5
Principles of Trial Tests . . . . 5
The Machine 1001 Under Load .
Carrying Out the Trial Tests . .
Measuring Tools and Methods
Amount and Direction of Fit Tolerances . . .
Details for Testing the various Classes of Machine Tools.
How TO MEASURE ACCURACY IN MACHIN] TOOLS
Levell ing
Testing the Workspindle .
Accuracy of Workpieces (Performance Tests)
Example of Appl ication . .
‘Power and Efciency .
Surface Quality
MILLING MACHNES ( 1-4) AND GEAR CUTTIN.G MAOHINES (6-7)
1 . Knee-type Horizontal Milling Machines and Universal
Milling Machines
1A. Dividing Heads . . . .
2. Surface Milling Machines . .
3. Vertical Milling Machines
4. Thread Milling Machines . .
6. Spur, Worm and Helical Gear-hobbing Machines
7. Gear Shapers .
CENTRE LATHES, TURRET LATHES, MULTI-SPINDLE
AUT0lA’1’ICS, VERTICAL ‘BORING MILLS (1 l -20)
11. Finish Turning Lathes up to 400 mm. (ab. 15£ in.) in
Height of Centres . . 57
12. Finish Turning Lathes with from 400 to 1,000 mm.
(ab. 15£ in. to 40 in. ) in Height of Centres . 58
13. Tool-room Lathes (highest degree of accuracy) up to
180 mm. (ab. 7k in. ) in Height of Centres
14. Baoking-o? or Relieving Lathes .
15. Facing Lathes
16. Turret Lathes arranged for Cylindrical Tool Shanks
in the Turret Heads, and Single-spindle Automatic
Turret Lathes up to 300 mm. (ab. 12 in. ) in Height
of Centres .
16A. Turret Lat.hes with Hollow Turret Heads provided
with Centring Recesses for Tool Holders up to’
300 mm. (ab. 12 in. ) in Height of Centres . .
17. Turret Lathes arranged for reception of Cylindrical
Tool Shanks in the Turret Heads and Single-spindle
Automatic Turret Lathes with more than 300 mm.
(12 in.) in Height of Centres
1 7A. Turret Lathes with Hollow Turret Heads provided
with Centring Recesses. Height of Centres more
than 300 mm. 112 in.) . . . .
18A. Multi-spindle Automatics (Rotary Work and Sta –
tionary Tools)
1 8B. Multi-spindle Automatics (Stationary WOl’k and
Rotary Tools ) 69
1 9 . Vertical Boring Mills (Vertical Lathes)
20. Double-standard Vertical Boring Mills
GRINDING MAOINES
21. Cylindrical Grinding Machines . . 74
22. Planer-type Surface Grinders . . 75
23. Vertical Surface Grinders 76
24. Surface Grinders with Horizontal Wheel Axes . : . 77
25. Surface Grinders with Vertically Adjustable Hori
zontal Wheel Spindle . . 78
26. Universal Tool and Cutter Grinders . 79
DRILLING AND HORIZONTAL BORING MAOIDNES (31-38)
3 1 . Upright Drilling Machines . . 80
32. Pillar Type Drilling Machines 81
33. Multi-spindle Drilling Machines . 82
34. Radial Drilling Machines 83
35. Horizontal Boring Machines with Spindles up to
80 mm. (ab. 3* in. ) . 84
36. Horizontal Boring Machines wth Spindles more than
80 mm. (ab. 3* in.) in diameter 86
37. Horizontal Boring Machines with Adjustable Columns 86
38. Horizontal Boring Machines with Fixed Headstocks 87
PLANING, SHAPING, AND SLOTTING MACHINES (41-44)
41. Planig Machines (Double Standard) . 88
42. Openside Planing Machines . 89,90
43. Shaping Machines
44. Slotting Machines
SHEARING, PUNOING, STAMPING MAOINES AND PRESSES
(51-53)
51. Open-fronted Power Presses and Punching Machines 93
52. Double Standard Power Presses and Punching Machines 94
53. Shearing Machines and Guillotines 94
WOODWORKING MACHINES ( 6 1-70)
61. Circular Saws, Edging Saws, Cross Cutting and
Trenching Machines . . 95
62. Band Saws 96
63. Fret Saws . 97
64. Frame Saws, Multi-blade .
65. Surface Planing Machines . .
66. Thicknessing Machines . . . .
67. 4·Cutter Planing and Moulding Machines . .
68. Vertical Spindle Moulders
69. Chain Mortising Machines
70. Wood Turning Lathes
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