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The mechanical slide fence parallel to the rails consists of a series of tensioned wires strung about 10 inches (25 cm) apart on poles. When a rock slide occurs, one or more of the wires may break, allowing heavy weights attached to either end to drop. This triggers the protecting signals to the 'danger' position.
The basic production flow of drawer slide machine is roll forming, punching, and cut off to length. Processes of drawer slides roll forming is a continuous cold rolled steel strip passing through a plurality set of upper and lower shaped rollers, and then punching, embossing, straightening, and cut off to length.
Wheel slide protection and wheel slip protection are railway terms used to describe automatic systems used to detect and prevent wheel-slide during braking or wheel-slip during acceleration. This is analogous to ABS and traction control systems used on motor vehicles. It is particularly important in slippery rail conditions.
A rack and pinion has roughly the same purpose as a worm gear with a rack replacing the gear, in that both convert torque to linear force. However the rack and pinion generally provides higher linear speed — since a full turn of the pinion displaces the rack by an amount equal to the pinion's pitch circle whereas a full rotation of the worm screw only displaces the rack by one tooth width.
A guide rail is a device or mechanism to direct products, vehicles or other objects through a channel, conveyor, roadway or rail system. Several types of guide rails exist and may be associated with: Factory or production line conveyors; Power tools, such as table saws; Elevator or lift shafts; Roadways and bridges (in this context sometimes ...
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