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  • Speed Reducers and Gear Trains
    Gear trains and speed reducers are mechanical components often used for obtaining a desired angular velocity of an output shaft, while the input shaft rotates at a different angular velocity. The angular-velocity ratio between input and output members must usually remain constant. The value
  • Fundamentals of Helical Gears
    In Figure 5-2 the gear train has a difference of numbers of teeth of only 1; z1 = 30 and z2 = 31. This results in a reduction ratio of 1/30. SECTION 6 HELICAL GEARS. The helical gear differs from the spur gear in that its teeth are twisted along a helical path in the axial direction. It resembles
  • Definite and Special-Purpose Motors
    , and brush-type motors have large starting torques. Applications with high inertias should be analyzed by the gearmotor manufacturer. This problem is critical with self-locking right-angle gearmotors. Since rotor and load are rigidly connected by the gear train, both must stop in the same time. In severe
  • Spur versus planetary gearheads for dc servomotors
    . Torque capacity of spur types is limited because each gear in the train bears the entire torsional load. Planetary gearheads, in contrast, share the load over multiple planet gears. Here, the input shaft drives a central sun gear which, in turn, drives the planet gears. Each of the planet gears
  • Cleaner engines for mobile machines
    , electronically controlled injectors for combustion control, which reduce exhaust emissions and engine noise. A structural sump and new engine block and gear train enhance quieter operation. The C6.6 communicates with other machine systems through a CANbus and industry-standard J1939 connector. This permits
  • Traditional solenoid valves are simple to install but may not be the right solution for long term reliability or high flow applications
    applications to provide vastly improved flow characteristics and consistent performance. Electric actuators consist of a motor, a gear train, cams and limit switches. The electric actuator requires two electrical input signals; one to open and another to close the valve. DynaQuip actuators are available
  • Diesel Fuel Oil
    Across the world train transportation continues to be active. Every Locomotive Engine requires fuel. Every train yard should have refueling facilities. This requires pumps!! Blackmer GX and X model pumps are terrific at handling diesel fuels. Typically the viscosity is low (30-100 SSU). With zero
  • EETimes.com | Electronics Industry News for EEs & Engineering Managers
    FPGA tool startup tackles ASIC prototyping FPGA tool startup Hier Design Inc. has announced enhancements to its PlanAhead software that help make it more appropriate for ASIC prototyping. PlanAhead is a hierarchical floorplanning and analysis tool aimed at complex FPGAs. Cadence to help train

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