Titlebook: Power Transmission; Peter C Bell Book 1971 Palgrave Macmillan, a division of Macmillan Publishers Limited 1971 energy.power transmission.t

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Transmission Brakes, is cut off, for positioning, quick stopping in emergency (safety brakes), automatic speed control, providing a tension (. for reeling) or simply for bringing the equipment to rest in a reasonable time. Just as the motor is used to accelerate the drive, so the brake is needed to decelerate, hold, or, in a few special cases, control it.

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Shafts and Couplings,The need for a flexible coupling as a means of joining a prime mover and driven machine is now universally accepted. Its purpose is to provide a flexible element between two machines, absorbing or minimising torsional fluctuations and relieving bearings of loads imposed by inaccurate alignment or subsequent movement.

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Constant Ratio Gear Systems,This chapter starts with a summary of the different types of gear form which are commonly used, with an indication of their characteristics and general applications.

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Miniature Gears,This chapter deals with miniature gears which, in common with their larger counterparts in the power transmission field, may be classified according to application, pitch, and quality. Miniature gears are used in three main application groups:

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Pneumatic Drives,To choose a single word to describe the whole range of pneumatic power units is extremely difficult. The only term which seems to cover all the various mechanisms is ‘actuator’ and, therefore, this chapter is devoted to an examination of linear, semi-rotary, and rotary actuators.

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Overview: 978-1-349-01197-1

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https://doi.org/10.1007/978-1-349-01197-1energy; power transmission; technology; transmission

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Oil-shear Drive Systems,l film is sheared to provide friction between rolling interfaces (. rollers between flat or contoured surfaces). These types have been developed in various forms: the general principles and characteristics of each are discussed further in this chapter.