McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 7 pot
... Power Transfer Devices 119 Figure 3-3 7 Machine-Tool splines have wide gaps between splines to permit accu- rate cylindrical grinding of the lands—for pre- cise positioning. Internal parts can be ... from one-wheeled vehicles to eight- wheeled vehicles. It is divided into four sections: vehicles with one to three wheels and four-wheeled diamond layouts, four- and five-wheeled layout...
Ngày tải lên: 10/08/2014, 04:22
... environment. This makes it 278 Chapter 11 Proprioceptive and Environmental Sensing Mechanisms and Devices By-Pass Layouts The by-pass layout shown in Figures 1 1-9 and 1 1-1 0 relieves the switch of ... straight on. Chapter 11 Proprioceptive and Environmental Sensing Mechanisms and Devices 273 276 Chapter 11 Proprioceptive and Environmental Sensing Mechanisms an...
Ngày tải lên: 10/08/2014, 04:22
... belts, plastic -and- cable chain, and all types of steel chain connect the input to the output mechanically by means of teeth just 71 76 Chapter 2 Indirect Power Transfer Devices Table 2-1 Timing Belts Timing ... especially in teleoperated vehicles. Figure 2-1 Flat, O-ring, and V-belt profiles and pulleys Figure 2-2 Variable Belt 88 Chapter 2 Indirect Power Transfer Devices...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 6 ppsx
... is both com- pact and simple. 112 Chapter 3 Direct Power Transfer Devices Figure 3-9 Figure 3-1 0 Figure 3-1 1 Figure 3-1 2 Figure 3-1 3 102 Chapter 2 Indirect Power Transfer Devices HIGH-SPEED GEARHEADS ... better to buy an off-the-shelf gearbox than to design your own. Figure 2-2 9 Simple Planetaries and Inversions Chapter 3 Direct Power Transfer Devices Copyright ©...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 9 ppt
... drive -and- brake steering sys- tem. Controlling the speed of each track directly adds a second major drive source, but gives fine steering and speed control. A second improvement to drive -and- brake ... two track side-by-side • Two tracks and a separate method for steering • Two track fore -and- aft • Several designs that use four tracks 178 Chapter 5 Tracked Vehicle Suspensions and...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 10 ppt
... there. Figures 7- 8 and 7- 9 show four- and six-legged walkers with three rotary-actuated joints in each leg. An eight-leg layout would have no less than 24 actuators. The four- and six-legged versions ... designing a walk- ing robot. Figure 7- 1 4 Six-legged tripod-frame walker with single-DOF legs Chapter 7 Walkers 209 Figure 7- 8 Independent leg walker, four legs, twelve DO...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 11 ppsx
... nearly as high as the legs are long. Robotics researchers are working on small four- and six-wheel leg robots that use this concept with very good results. Figure 7- 1 5 shows the basic concept. A variation of ... in the case of sand, because it can’t be scaled. Sand is just sand no matter what size the vehi- cle is (except for tiny robots of course), and mud is still mud. Driving on san...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 12 doc
... floor-standing industrial industrial robots today. Hydraulic-drive industrial robots are generally assigned to heavy-duty lifting applica- tions. Some electric and hydraulic industrial robots ... light-duty assembly or pick- and- place industrial robots that can be located on a bench. Some of these are programmed with electromechanical relays, and others are pro- grammed by setting mech...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 14 ppsx
... 72 73 flat belts, 73 , 74 f O-ring belts, 73 , 74 f timing belts, 75 f 76 f V-belts, 73 74 f, 76 77 Bendix-Weiss joints, 116 bevel gears, 89, 102, 103f Bradley Fighting Vehicle (U.S. Army), 1 67 bumper geometries about, ... switch, 266, 267f illustrations, 270 f– 271 f increasing area of, 269 layouts about, 276 – 277 bypass layouts, 278 f– 279 f combination trip and hard stop, 2...
Ngày tải lên: 10/08/2014, 04:22
mcgraw hill robot mechanisms and mechanical devices illustrated 2003 docx
... 256 Contents vii Flat Belts 73 O-Ring Belts 73 V-Belts 73 Timing Belts 75 Smoother Drive Without Gears 76 Plastic -and- Cable Chain 77 Chain 79 Ladder Chain 80 Roller Chain 80 Rack and Pinion Chain Drive ... to achieve smooth, high-speed motion without overstressing the ser- Figure 1-6 Ballscrew-driven single-axis slide mechanism with- out position feedback sensors. Figure...
Ngày tải lên: 14/03/2014, 16:20