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How do I choose a hydraulic cylinder?
Release Time :
2025-02-10
Hydraulic cylinders, jacks or plungers. The names vary, but no matter what you choose to call them, the definition is the same. A hydraulic cylinder is a device that uses pressure generated by a hydraulic system to move a load.
Cylinder Types
The first thing to consider is the type of cylinder. HPS International manufactures and sells 6 types of cylinders for various uses:
Block cylinders (compact) for plastic injection, molding, cosmetics and packaging.
Tie rods for plastic injection, molding and aluminum injection applications.
Round cylinders (ISO, DIN, CNOMO) for plastic injection and molding.
Specialty cylinders (custom, dual bore) for plastic injection, molding and die casting.
Auto-locking cylinders for plastic injection, molding, cosmetics and packaging.
Cylinders for aluminum injection in foundries.
Example: Cylinder
High speed: Select RCVN
Compact: VBL, VBLS, VCR, VXP
With mechanical sensor: VCE
With inductive sensor: VDI
With magnetic sensor: VBM
Cooling: VRE
Bore
The first basic information to consider when selecting the bore size is the operating pressure.
Knowing the operating pressure you will be using will help you select the size of the cylinder bore.
The second key information needed to select the bore size is the amount of force required for the application. Here is a quick formula to find the approximate size of the bore in the direction of the cylinder extension:
F = Required force (N)
P = Operating pressure (bar)
A = Surface area of the bore (mm²)
D = Bore diameter (mm)
D = √4.F / √π.√p
Generally, round up the resulting bore size to the next standard bore size.
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