Mechanisms and Mechanical Devices Sourcebook - Chapter 2
Mechanisms and Mechanical Devices Sourcebook - Chapter 2
... torqueratings of 0. 62 lb-ft (0.84 N-m) to 5.0 lb-ft (6.8 N-m), peaktorque ratings of 1.9 lb-ft (2. 6 N-m) to 14 lb-ft (19 N-m), andcontinuous power ratings of 0.73 hp (0.54 kW) to 2. 76 hp (2. 06kW). Maximum ... free-dom. With additional mechanical or electromechanical compo-nents on each axis, rotation about the three axes can provide upto six degrees of freedom, as shown in Fig. 2. 2F...
Ngày tải lên: 22/10/2012, 14:27
Mechanisms and Mechanical Devices Sourcebook - Chapter 3
... CHAPTER 3PARTS-HANDLINGMECHANISMSSclater Chapter 3 5/3/01 10:19 AM Page 51 5 2MECHANISMS THAT SORT, FEED,OR WEIGHORIENTING DEVICESHere’s a common problem; Parts arrive in either open-end ... feed mechanisms. Sclater Chapter 3 5/3/01 10 :20 AM Page 62 63Sclater Chapter 3 5/3/01 10 :20 AM Page 63 64Sclater Chapter 3 5/3/01 10 :20 AM Page 64 65SEVEN LINKAGES FOR TRANSPORTMECHANISMSF...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 4
... smoothness and flexibil-ity in converting constant rotary motioninto a start -and- stop type of indexing.It works equally well for high-speedoperations, as fast as 2 seconds per cycle,including index and ... mesh with every lobe on gear4, and T3/T4= L3/L4= 2/ 3, where T3andT4are the numbers of teeth on gears 3and 4. T 1and T2will denote the numbersof teeth on gears 1 and 2. Next...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 5
... CHAPTER 5SPECIAL-PURPOSEMECHANISMSSclater Chapter 5 5/3/01 11:45 AM Page 127 128 NINE DIFFERENT BALL SLIDES FOR LINEAR MOTIONFig. 1 V-grooves and flat surface make a ... tilting and uncertaintyin the distance between the plates). Otherprior mechanisms relied on spring load-ing, differential multiple-point drives andother devices to reduce backlash. In pro-viding ... inven-tors i...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 6
... A standard rotat-ing-air fitting is required.Reciprocating linear force link: It recipro-cates with one-, two-, or three-convolutionair springs in a back-to-back arrangement.Two- and three-convolution ... pressure. The screw in (B) retains anddrives a dowel pin for locking purposes. A right- andleft-handed shaft (C) actuates a press.Sclater Chapter 6 5/3/01 12: 25 PM Page 1 92 ... CHAPT...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 7
... composedof circular arc 1 -2 with center at 02, arc 3-4 with center at 03, arc 4-5 with center at01, arc 5-6 with center at 04, arc 7-1 withcenter at 01, and the straight lines 2- 3 and6 -7 . The method calls ... 5/3/01 12: 33 PM Page 21 2 21 3SIXTEEN LATCH, TOGGLE, AND TRIGGER DEVICESDiagrams of basic latching and quick-release mechanisms. Fig. 1 Cam-guided latch (A) h...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 8
... which control radial position andtherefore control the orbit. Ring and sundisks are spring-loaded.DISK DRIVESSclater Chapter 8 5/3/01 12: 42 PM Page 24 7 24 8Ring -and- pulley drive (Fig. 9). Athick ... rela-tion to the ball plate. The conical cavi-ties, as well as the ball, have hardenedsurfaces, and the drive operates in an oilbath .25 0Sclater Chapter 8 5/3/01 12: 43 PM Page 25...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 9
... ofMIL-E-5400, class 3 and MILK-3 926 specifications.Applications were seen in counter andreset switches and controls for machinesand machine tools, radar systems, andprecision potentiometers.Eight-Joint ... Rzappa-type jointto get the desired effect.Ball -and- socket. Basically, the True-Speed joint is a system of ball -and- socket connections with large contactareas (low unit pressure) t...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 10
... warning light and second tolight a red bulb and also sound an alarmbell.Over-the-side or over-the-rear loadingrequires a different setting of theBourdon pressure-gage unit than doesover-the-front loading. ... signal devices. The load plunger and the swaged-on cable termina-tion have ball -and- socket seat sections to permitmaximum free cable movement, reducing the possi-bility of fatig...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 11
... runsat 100 to 2, 000 rpm, can deliver up to 55gpm, and will operate against 25 psi. It oper-ates at temperatures between 0 and 160 F.Sclater Chapter 11 5/3/01 1:15 PM Page 3 72 13. HIGH-VACUUM PUMPS ... steel, monel, andbronze for handling acids, oils, and sol-vents. The impeller is made of pressure-vulcanized laminated layers of Hycar, 85 to90 percent hard. Sand, grit, scale andfi...
Ngày tải lên: 22/10/2012, 14:26