Hydraulic ram cylinders – A significant mechanical tool.

Hydraulic cylinders find their application in various different fields, more in the field of construction equipments, civil engineers and manufacturing machinery. A hydraulic cylinder, which is also known as linear hydraulic motor, is apparently a mechanical actuator which uses unidirectional stroke to give unidirectional force. Pressurized hydraulic fluid which is a kind of oil, is what the hydraulic cylinders get their power from. The inside of the hydraulic cylinder is made of two pistons which are connected to each other and move back and front. The bottom of the cylinder is known as the cap and the top of the cylinder is known as the gland. Both the sides top as well as the bottom are closed. The cylinder is divided into two parts, the head end and the cap end by the piston inside the cylinder. Mounting attachments are provided for connecting the machine or object it has to pull or push with the cylinder. A hydraulic cylinder is made up of cylinder base or cap, cylinder head, cylinder barrel, seals, seal

gland, piston and piston rod. Hydraulic cylinder has two different types of designs- the welded body cylinder and the rod cylinder. Though there are special hydraulic cylinders available in the market and include the differential cylinder, plunger cylinder, position sensing hydraulic cylinder as well as telescopic cylinder.

Hydraulic ram or hydram as it is known, consists of a cyclic water pump which uses hydropower. The process involves intake of water at a hydraulic head and flow rate and outputting it at a lower flow rate than the earlier and a higher hydraulic head. The application of hydraulic ram is usually in the far off areas where the water has to pumped up to a higher elevation from the source. The hydraulic ram is made up of two moving parts only. One is the delivery check valve and the other is the waste or clack valve loaded with spring or weight. Due to such a design, the hydraulic rams are economical to build, reliable as well as easy to maintain. The efficiency of a hydraulic ram is somewhere between 60% and 80%. Though sometimes sufficient water supply issues due to improper adjustment of valve could occur. In winter the freezing cold tends to damage to the ram due to excess stress on its parts which is caused due to air loss in pressure vessel.

Buying such machines requires a bit of research and analysis because hydraulic cylinders cost a huge sum of money. Even hydraulic rams are expensive. There are many a hydraulic cylinder manufacturers in the market place but choosing a best one does require some ground work so that after making a huge investment you do not feel bluffed or cheated in any way as far as the quality and cost is concerned.

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