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Direct-drive mechanisms are used in applications ranging from low speed operation (such as phonographs, telescope mounts, video game racing wheels and gearless wind turbines) [14] [15] [16] to high speeds (such as fans, computer hard drives, VCR heads, sewing machines, CNC machines and washing machines.)
Shaft-driven bicycle. A shaft-driven bicycle is a bicycle that uses a drive shaft instead of a chain to transmit power from the pedals to the wheel. Shaft drives were introduced in the 1880s, but were mostly supplanted by chain-driven bicycles due to the gear ranges possible with sprockets and derailleurs. Around the 2000s, due to advancements ...
The main spindle is used with the guide bushing for the main machining operations. The secondary spindle is located behind the part, aligned on the Z axis. In simple operation it picks up the part as it is cut off, and accepts it for second operations, then ejects it into a bin, eliminating the need to have an operator manually change each part ...
Cable guide: a fitting below the bottom bracket which guides a piece of bare inner bowden cable around a corner Cable : a metal cable enclosed in part by a metal and plastic housing that is used to connect a control, such as a brake or shifting lever, to the device it activates
Steering. Steering is the control of the direction of motion [ 1 ] or the components that enable its control. [ 2 ] Steering is achieved through various arrangements, among them ailerons for airplanes, rudders for boats, cylic tilting of rotors for helicopters, [ 3 ] and many more.
The simplest form of friction drive is a pair of cylinders mounted on parallel axes, pressing against each others. The mechanical advantage of this system is determined by the ratio r between the radii R1 and R2 of the two cylinders. Namely, the torques T and T on the two axles will satisfy T1 / T2 = r = R1 / R2, while the rotation speeds ω1 ...