Mechanisms and Mechanical Devices Sourcebook - Chapter 1
Mechanisms and Mechanical Devices Sourcebook - Chapter 1
... S-900iW. They are floor-standing, 6-axis, heavy-duty robotswith reaches of between 8 and 10 ft, (2.5 and 3.0 m) and maxi-mum payloads of 4 41 to 880 lb (200 to 400 kg). S-900i robotscan perform ... materials handling and removal, load-ing and unloading machines, heavy-duty spot welding, and par-ticipation in casting operations.These high-speed robots are controlled by FANUC R-J3...
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 TRANSPO...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 4
... element .11 1Sclater Chapter 4 5/3/ 01 10 :45 AM Page 11 1 Cycloidal motion is popular for mechanisms in feeders and automatic machines.The pitch circle of this planet gear isexactly one-quarter ... suit many differing requirements .10 8Sclater Chapter 4 5/3/ 01 10 :45 AM Page 10 8 10 9A cam-driven ratchet.A six-sided Maltese cross and dou-ble driver give a 3 :1 ratio.A cam...
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 12 7 12 8NINE DIFFERENT BALL SLIDES FOR LINEAR MOTIONFig. 1 V-grooves and flat surface make a ... 13 2 13 3Sclater Chapter 5 5/3/ 01 11 :45 AM Page 13 3 13 4TWELVE EXPANDING AND CONTRACTING DEVICESParallel bars, telescoping slides, and other devices that can spark answers to many design proble...
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 ... cor-ner. The result is less fatigue and longer life.Sclater Chapter 6 5/3/ 01 12 :24 PM Page 17 8 OVERRIDING SPRING MECHANISMS FORLOW-TORQUE DRIVESFig. 1 Unidirectional override...
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 at 01, arc 5-6 with center at 04, arc 7 -1 withcenter at 01, and the straight lines 2-3 and6 -7 . The method calls ... links II and III come into toggle.Sclater Chapter 7 5/3/ 01 12 :33 PM Page 212 213 SIXTEEN LATCH, TOGGLE, AND TRIGGER DEVICESDiagrams of basic latching an...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 8
... is 17 5 ft-lb atthe maximum input speed of 18 0 rpm.Speed can be varied between 4.5 to 1 and1 20 to 1. Zero-Max drive (Fig. 22). This driveis also based on the variable-stroke prin-ciple. With an 18 00-rpm ... rela-tion to the ball plate. The conical cavi-ties, as well as the ball, have hardenedsurfaces, and the drive operates in an oilbath.250Sclater Chapter 8 5/3/ 01 12 :43 PM...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 9
... slip-spring coupling. Fig. 6 An internal ratchet and spring-loaded pawls. Fig. 7 A one-way dog clutch.Sclater Chapter 9 5/3/ 01 12 :57 PM Page 311 312 SPRING-LOADED PINS AID SPRAGS IN ONE-WAY ... θ/d = 10 .9 Maximum permissible offset-angle(7) β = 54.7 where: Maximum permissible offset-angle (simplified)(8) β/d = 10 9. CT n1/3 0.3x=1x=nlxSS∑−− 11 2()bdTECn22e0.3 13 /σnT0....
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 10
... CHAPTER 10 TORQUE-LIMITING,TENSIONING, ANDGOVERNING DEVICESSclater Chapter 10 5/3/ 01 1: 07 PM Page 339 340CALIPER BRAKESHELP MAINTAINPROPER TENSIONIN PRESS FEEDA simple cam -and- linkage ... ten-sion on the cable, and the pivoting of thelever gives a direct reading with a straingage.Sclater Chapter 10 5/3/ 01 1: 07 PM Page 3 41 342TORQUE-LIMITERS PROTECT LIGHT-DUTY DRIVESLigh...
Ngày tải lên: 22/10/2012, 14:26
Mechanisms and Mechanical Devices Sourcebook - Chapter 11
... runsat 10 0 to 2,000 rpm, can deliver up to 55gpm, and will operate against 25 psi. It oper-ates at temperatures between 0 and 16 0 F.Sclater Chapter 11 5/3/ 01 1: 15 PM Page 372 13 . HIGH-VACUUM ... CHAPTER 11 PNEUMATIC ANDHYDRAULIC MACHINEAND MECHANISMCONTROLSclater Chapter 11 5/3/ 01 1: 15 PM Page 369 370DESIGNS AND OPERATING PRINCIPLES OF TYPICAL PUMPSThese ... 1, 3...
Ngày tải lên: 22/10/2012, 14:26