Hydraulic presses
By: by G. Oehler.
Publisher: Arnold
Published: 1968
Language: eng
Notes: Preface v
Acknowledgements ix
Conversion Constants xi
Introduction xiii
Part 1. Press Frames
Chapter 1 C-frame Presses 3
Chapter 2 Two-column and Four-column Press Frames 13
Chapter 3 Plate Frame Presses 21
Part 2. Press Hydraulics
Chapter 4 Water and Oil as Pressure Media 27
Chapter 5 Pressure Piping 36
5.1 Piping 37
5.2 High-pressure Hose 39
Chapter 6 Seals and Packings 42
Chapter 7 Pumps for Hydraulic Presses 51
Chapter 8 Cylinders, Rams and Pistons 72
Chapter 9 Hydraulic Accumulators 88
Chapter 10 Valves 99
10.1 Manually Operated Stop Valves 99
10.2 Control Valves 101
10.3 Unloading Valves 108
10.4 Amplifier Valves 109
10.5 Piston and Rotary Slide Valves 109
10.6 Pressure Reducing Valves 119
10.7 High-pressure Unloading Relief and Safety Valves 122
10.8 Prefill Valves 124
10.9 Valve-lift Characteristics 126
Chapter 11 Hydraulic Circuits 128
11.1 Circuit Resistance 128
11.2 Simple Circuits 131
11.3 Circuit Control with Variable-delivery Pumps 135
11.4 Accumulators in Circuits 139
11.5 Electrical Press-control Equipment in Hydraulic Circuits
141
11.6 Excess Pressure Unloading and Emergency Stopping
142
11.7 Miscellaneous Hydraulic Circuits 144
Part 3. Hydraulic Presses for Sheet 11letal Work
Chapter 12 Single-acting Down-stroking Press 149
12.1 Hydraulic Presses with Hand Pumps 149
12.2 Open-fronted Presses 149
12.3 Open-sided and Four-column Presses 153
Chapter 13 Drawing Presses 163
Chapter 14 Special Cold-blanking Presses 198
14.1 Precision, Transverse Squeeze Blanking Presses 198
14.2 Blanking Presses 201
Chapter 15 Stretch Forming Presses 205
Chapter 16 Rubber-pad Presses 214
Chapter 17 Press Brakes 224
Chapter 18 Plate-bending Presses 238
18.1 Plate-bending Machines 238
18.2 Open-sided Flanging and Dishing Presses 243
18.3 Thick-plate Bending Press 255
Chapter 19 Boiler Drum and Pipe-forming Presses 260
Chapter 20 Rim and Wheel Presses 264
Part 4. Presses for Cold-working Rolled-steel Sections: Other Semi-finished Products: Metal
Powders
Chapter 21 Backing and Straightening Presses 271
Chapter 22 Trimming Presses 282
Chapter 23 Upsetting, Die-forging and Cold-sinking Presses 291
Chapter 24 Sintering Presses 298
Part 5. Hot-forming Presses
Chapter 25 Forging Presses 313
Chapter 26 Extrusion Presses 340
26.1 Vertical Extrusion Presses 340
26.2 Horizontal Extrusion Presses 349
Chapter 27 Hot Piercing Presses 365
Chapter 28 Cable-sheathing Presses 371
Bibliography 375
Table of contents: class: section