TELESCOPIC HYDRAULIC CYLINDER WITH UNILATERAL REMOVAL (CTH)
Cylinders design of several concentric located pistons or plungers , moving relative to one by another. The total stroke of the starting point is equal to the sum of the moves of each a plunger or piston compared to an adjacent placements. The telescopic cylinders are used when, in the small length of the shell is necessary to obtain a large stroke of the starting point. The movement starts from the plunger (piston) with the largest diameter. When it reaches the stop, start moving the next, etc. Characteristic of them a stepping change (increase in deployment) the speed of the piston rod in the supplied continuous flow. Most telescopic cylinders with unilateral action and are usually mounted vertically, with the smallest plunger at the top. Reverse stroke is performed under the weight.
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