About Hydraulic Presses and Hydraulic Press Manufacturers
Including: Arbor
Presses, C-Frame
Presses, Laminating
Presses, Pneumatic
Presses,
Power
Presses, Stamping
Presses & Transfer Presses
A hydraulic press is a press with its mechanics controlled
by fluid pressure. Hydraulic presses have various uses and are available
in different varieties. A hydraulic press has a bed for the die or material
to be placed on. Once the stock is properly positioned, the material
is pressed between the two plates with hydraulic force. The amount of
force applied will vary with each application based on the material used.
Once the material is molded, pressed, punched, formed or straightened,
it is removed and continues to the next step in its process. A hydraulic
press will usually require at least one operator. They also are available
in operating capacities that range from manual to fully automated systems.
Virtually every industry relies on the technology provided by hydraulic
press manufacturers. Common uses for a hydraulic press include the forming
of metal plates, the laminating of wood fibers and the cutting of plastic
pieces. A hydraulic press can also be used for the compaction of powdered
materials such as cosmetics and pharmaceutical or food tablets. Often
the hydraulic press is just one of the stages in a larger fabrication
or manufacturing process.
The hydraulic presses are available in single and multi-station configurations.
Single station presses consist of a single set of press tools (die and
punch) inside a table. Multi-station presses have multiple sets of press
tools, which either perform the same operation on many materials or perform
various press operations on single or multiple materials as they move
from stage to stage. Some presses use heat and vacuum technology along
with the force of the press itself to form the material desired. Safety
is a major concern in the daily operation of a hydraulic press so they
often contain fixed or interlocking guards, which prevent injury.
Hydraulic press manufacturers primarily use stainless steel and other
durable metals to fabricate presses. These metals allow for the rapid,
repetitive creation of materials associated with a hydraulic press. Hydraulic
presses provide smooth and quick operation. They operate with less wear
on the mechanics of the moving parts and are comparatively quieter. Using
a hydraulic press is more environmentally sound and energy efficient
than other methods. When considering a hydraulic press, it is important
to look at the amount of force necessary to perform the function needed
as well as the operating speed desired. Other options to consider are
temperature control, vacuum chambers, size, manpower and data
acquisition. Hydraulic press manufacturers and providers often create
custom units in order to meet specific client needs.
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Hydraulic Presses and Hydraulic Press Manufacturers
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Hydraulic Press Types
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are used for seating stamping and removing bearings and other high-pressure
assembly, repair and production jobs.
-
use great pressure to secure or assemble parts together.
-
are streamlined-sized, press-shaped like a "C" and normally
consist of a single press application.
- use two plates being pushed together to compress the
material into the mold.
- ,
sometimes referred to as 4-column presses, are shaped like an "H"
and can often field more than one press application at a time.
-
are smaller, single run presses used primarily in research laboratories
and other short and test run situations.
-
are used for the lamination of polymers onto the surface of other materials
including lumber, metal and paper.
-
refers to liquid injection molding presses which handle plastics that
are created via an injection process.
-
are used to shear, punch, form or assemble materials by using tools
or dies attached to slides or rams.
-
use energy transfers in the form of compressed airflow to control their
movements. Some typical application are shearing, punching, bending
and forming.
- are hydraulic powered machines that use tools and dies to shear, punch, and form metals.
- are devices that use stamping dies.
-
apply pressure to metal in order to straighten it.
-
are used for the pressing of powdered materials into shaped tablets
or compacts.
- Transfer presses are hydraulic presses which automatically move parts from one stamping process to another using feed bar fingers.
Hydraulic Press Terms
-
A device that converts fluid power into mechanical movement.
- The amount of time necessary
to wait between the molding and appraisal of molded part properties.
-
A defect at the parting line where the material has shrunk inside the
part.
- The
flat surface that supports the material being worked.
- Plates attached to
the rods that carry the platens or any structure mounted to the bed of
a press. It is sometimes removable.
- Any one of several
types of valves that allows flow in only one direction.
-
The lingering deformation after removal of the force, which compressed
the section. An example is when one uses a fingernail to depress a molded
sample; the impression that remains after a time is the compression set.
-
A feature of hydraulic systems that turns the system off and on at set
pressure points.
- The cylinder,
piston, ram, seals and packing of a press.
- The largest capacity,
vertically, that the press can handle or the vertical clearance from the
underside of the ram to the top of the bolster. The ram must be in its
maximum up position.
- The tooling used in a
press for shearing, punching, forming, drawing or assembling metal or
other materials.
- The final opening through
which injected material flows in order to enter a part cavity.
- Circulates air or water to maintain oil at operating temperature.
- Pressure
caused by fluid under applied force.
- Actuation devices that produce linear motion and force through the use
of pressurized hydraulic fluid.
- Pumps that use mechanical energy to deliver high-pressure fluid flow
to the outlet through pressurized fluid.
- A device that restricts the escape of fluid or entrance of foreign
material.
- A device that contains and transfers the flow and pressure of
hydraulic fluid in hydraulic power systems.
- Removes the part
from the punch/die.
- A press
function that allows it to operate continuously under 10% of its maximum
rated force, as well as to ensure a preheat function at reduced pressure.
- The place where the
mold attaches. It is a series of flat surfaces where one surface is stationary
and the other is moving.
- Long stem or
pole that connects two pieces of the press so that they act together.
- With the ram full
down, it is the clearance over the bed.
- The main feed guide
that runs from the outer face of an injection or transfer mold gate into
a single cavity mold or to runners in a multiple cavity mold.
- Feature that
controls the length of a stroke and can be adjusted accordingly.
- Distance
between the frame member behind the bed to the vertical centerline of
the ram. This measurement affects the size of the piece that can be used.