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Illustrated Sourcebook of Mechanical Components Part 11

Tham khảo tài liệu 'illustrated sourcebook of mechanical components part 11', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | ILLUSTRATED SOURCEBOOK of MECHANICAL COMPONENTS SECTION 22 MECHANISMS Machinery Mechanisms 22-2 Slider-Crank Mechanisms 22-11 Torque Factors for slider Crank Mechanisms 22-19 Mechanisms for Producing Specific Types of Motions 22-20 Traversing Mechanisms Used on Winding Machines _ _ 22-22 Mechanisms for Providing Intermittent Rotary Motion 22-24 Intermittent Movements and Mechanisms 22-26 Friction Devices for Intermittent Rotary Motion 22-28 Basic Types of Variable Speed Friction Drives 22-30 Speed Control for Small Mechanisms 22-32 Mechanical Devices for Automatically Governing Speed 22-34 Accelerated and Decelerated Linear Motion Elements 22-36 How to Prevent Reverse Rotation 22-38 Automatic Stopping Mechanisms for Faulty Machine Operation 22-42 Automatic Stop Mechanisms Protect Machine and Work 22-44 Mechanical Automatic Stop Mechanisms 22-46 Automatic Feed Mechanisms for Various Materials 22-48 Automatic Safety Mechanisms for Operating Machines 22-50 Mechanisms Actuated by Air or Hydraulic Cylinders 22-52 Piston-Actuated Mechanisms 22-54 Computing Mechanisms I 22-56 Computing Mechanisms II 22-58 Eight Paper-Feed Mechanisms 22-60 How to Collect and Stack Die Stampings 22-62 Sort Feed or Weigh Mechanisms 22-64 Spring Motors Typical Associated Mechanisms 22-68 6 Escapement Mechanisms 22-70 7 more Escapements 22-72 Design Hints for Mechanical Small Mechanisms 22-74 Mechanisms 22-3 INTERMITTENT MECHANISMS Long-dwell geneva Rapid-transfer geneva The coupler point at the extension of the connecting link of the 4-bar mechanism describes a curve with two This arrangement employs a chain with an extended pin in combination with a standard geneva. This permits a long dwell between each 90-deg shift in the position of the geneva. The spacing between the sprockets determines the length of dwell. Note that some of the links have special extensions to lock the geneva in place between stations. approximately straight lines 90 deg apart. This provides a good entry situation in .