4 Advice to Choose a Hydraulic press types

Sep. 30, 2024

4 Options to Consider when Choosing a Factory Press

There are lots of options to consider for your factory press. To get a factory press that is efficient and cost-effective, it&#;s important to find the right type of press, the right amount of force, and the best additional features to make the job as fast, easy, and safe as possible.

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Things to Consider for Your Factory Press

As you consider which factory press is right for you, it&#;s helpful to write down some information first. This will help you hone in on the press you need and help you avoid overpaying for a press that is more powerful than you need, or one that is too large for your shop. Here are a few things to write down that will help you in your search.

What are your primary applications for the press? What materials or components are you primarily working with?
What range of force is required for your application? (min/max)
Where will your press be placed in your shop? How much space is available?
Do you need your press to be mobile, or will it sit in a fixed location?
Do you have access to a high-voltage power supply?
Do you have access to compressed air?
What is your shop press budget?
How much time do you have to maintain your press?

Once you have answers to these questions in mind, consider the following key options for an industrial press:

1. Type of Press

The four primary types of presses are manual presses, also known as Arbor presses, hydraulic presses, pneumatic presses, and hydropneumatic presses (also known as air over oil). Within these different press types, there are also different subtypes. Each press has different advantages and disadvantages. For example, pneumatic presses and hydropneumatic presses are generally safer than hydraulic presses and manual presses, since they have safety mechanisms that manual presses lack, and they do not pose the high voltage hazards or hearing damage risks that hydraulic presses do.

The different types of presses also provide different levels of force. Though there is extensive overlap between the different types of presses, hydraulic presses generally provide maximum power. Pneumatic presses generally provide less force, while hydropneumatic presses provide a medium level of force. We&#;ll discuss this more in the next section, but the level of force provided by each type of press is an important consideration when you choose the type of press you need.

The way that each type of press functions is another important consideration. A manual press can provide a great deal of force, but it requires more strength to use. This can result in repetitive stress injuries over longer periods and inconsistent repeatability. A hydraulic press requires a high-voltage power source to power the hydraulic pump motor. A pneumatic press will require compressed air. These requirements and safety precautions are all important considerations when choosing which type of press is best for your shop.

2. Force

How much force you need for your shop press is one of the most important considerations. Too much force can actually break the parts that you&#;re working with. Too little force and it will be difficult to complete the job. When considering how much force you need, it&#;s important to consider the types of jobs you&#;ll be doing, as well as the materials that you&#;re working with. Different metals have different levels of strength and flexibility. Knowing which materials you work with the most can help you find the right level of force and power for your press.

Different applications will also require different levels of force. Consider the table below when choosing the amount of force that is best for your shop press.

Application Industries Recommended Press Assembly, Riveting, Punching, Marking, Staking, Crimping, Forming, Swaging Fabrication, Assembly, Medical HVAC, Electronics Adjustable air press, lbs to 2.5 tons Bushing/Bearing Insertion, Stud Insertion, Swaging, Trimming, Marking or Character Stamping, Assembly, Notching, Joining, Forming, and Fastening Automotive , Aerospace, Agriculture, Electric Vehicle, Battery Manufacturing, Defense Industry Pneumatic or hydropneumatic press, 2.5 to 15 tons Bushing/Bearing Insertion, Stud Insertion, Broaching, Swaging, Trimming, Assembly, Notching, Joining, Forming, and Fastening Heavy equipment, Automotive, Agriculture, Metalworking, Manufacturing, Battery Manufacturing, Defense Industry Hydraulic press, 20 to 50 tons

3. Footprint and Frame

There are many different types of frames between the different types of presses. You can move some of these presses around, while others are anchored to a set point. The frame and configuration also plays a role in the size of the press, as well as its footprint in the shop. Generally, stationary presses and presses with more power will take up more space. This is another reason to find the right sized press for your needs.

Different frame types can allow or constrict how you move materials/components in and around the press. This is another reason to carefully consider the dimensions of the parts or components you&#;re working with, and how you plan to move materials around to complete the job at hand, i.e. workflow.

Consider the following types of press frames:

An H-frame/Post Frame press allows you to move materials front to back or left or right around the press, but could also require additional barrier guarding.
A C-frame press makes it easy to load and unload materials from the front or the side and integrates well into conveyor systems. Typically used with horizontal workflow, C-frame presses are available in both benchtop and floor model styles.

4. Maintenance needs

Different types of presses require different levels of maintenance. Pneumatic presses and hydropneumatic presses require less maintenance than complete hydraulic presses. The maintenance schedule for hydraulic presses is more involved; it&#;s important to check the oil quality, oil temperature, pump and motor, and more. Setting aside time for preventative maintenance is essential to keeping the hydraulic press in full working order. Pneumatic presses require a bit less preventative maintenance, including checking air lines, checking lubrication levels, and replacing air filters.

There are many different factors to consider when choosing a factory press. Considering power, size, type, and maintenance with each press will help you get the right fit for your shop.

4 Types of Hydraulic Presses and Why You Need Them

Hydraulic presses are almost as old as our country. To be exact, they were invented in by the same man, Joseph Bramah, who created the flush toilet. Bramah had studied and applied the principles of Pascal&#;s Law (below) to his invention:

When pressure changes anywhere in a confined space of fluid that cannot be compressed, that same pressure change will be transmitted throughout the entire space.

These systems typically consist of two cylinders--ram and plunger--connected and filled with fluid. Applying a minimum amount of force onto the plunger causes the cylinder to push the fluid below it. The pressure is distributed evenly throughout the liquid, raising the ram. The pressure between the plunger and the ram will crush almost anything that&#;s between them.

Hydraulic presses offer several advantages to manufacturers. Here are just a few:

Full power stroke: Unlike mechanical presses, the full power of a hydraulic press can be delivered at any point in the stroke
Built-in overload protection - A 50-ton hydraulic press will exert no more than 50 tons of pressure
Lifting and pressing: Double-acting cylinders allow for both pressing and lifting
Versatility: Hydraulic presses come in many designs and can be adapted to a manufacturer&#;s application
Efficient operation: Because hydraulic presses have a relatively simple design, breakdowns, if they occur, are usually minor

Here is a list of four types of hydraulic presses and how they might help you in your operation:

1. The Movable Table Hydraulic Press

Dake Movable Table Hydraulic Press (Photo Credit: Penn Tool Co.)

Fabricators have a special appreciation for the movable table hydraulic press. That&#;s because this type of press allows them to load large and heavy pieces of steel from a forklift or overhead crane. And since these metalworkers are often straightening and forming sizable sheets, the movable table is ideal for them.

With a movable table hydraulic press, an operator can slide the ram head side-to-side and move the table forward and backward, allowing for access to various press points along the surface of the workpiece. An adjustable work-head offers maximum daylight for over-sized (higher) work, such as weldments, fabrications, and assemblies.

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Most high-quality movable-table presses have the following advantages and features:

Ideal for assembly, extraction, and straightening hard-to-load weldments, fabrications, plates, and bars.
A movable table allows for the loading of heavy workpieces using a forklift or crane.
Heavy-duty hoist quickly raises and lowers the work-head, providing extra room for oversized work
Quiet hydraulic components for long life, greater efficiency, and a smooth pressing operation
Toggle clamps that lock the table securely

2. Air Operated Hydraulic Press

Dake&#;s Air Operated Hydraulic Press Work-Head (Photo Credit: Penn Tool Co.)

Sometimes called an &#;air-over&#; hydraulic press, the air operated hydraulic press can be a cost-effective and energy-efficient alternative to the full hydraulic press. These presses typically have fewer moving parts, resulting in less maintenance and downtime&#;and less noise.

Here&#;s how they work:

A valve is energized, and air pressure pushes down on the hydraulic fluid. Since the fluid cannot be compressed, the pressure energy is transferred to the hydraulic fluid, extending the cylinder rod downward. This all happens without a hydraulic pump and any other mechanisms needed to pressurize hydraulic fluid.

The hydraulic pressure is maintained throughout the stroke, and when the valve is de-energized, the ram retracts to its home position. This is a straightforward and cost-effective way of producing a hydraulic system.

The benefits of the air-operated system include:

Cost-effective
Energy-efficient
Quieter
Less heat
Full-length power stroke

3. Double Acting Hydraulic Press

Elec-Draulic II Double-Acting Hydraulic Press from Dake Corp.

These hydraulic presses contain a double-acting cylinder that permits pulling as well as pressing ram action. Manufacturing companies often purchase a double-acting press for dies or fixtures that are too heavy for a single-acting press. And double-acting presses provide considerably more lifting power for a consistent return.

Double acting hydraulic presses have two &#;sliders&#;&#;one for pressing and one for drawing. The two types of slider arrangements include an inner and outer slider type and an upper and lower slider type.

Double-acting hydraulic presses are notable for their simple structure, low manufacturing cost, convenient adjustments, uniform speed and pressure, and minimal vibration and noise during operation. They are especially suitable for parts with small batch sizes, complex shapes, and deep drawing depth.

Look for these features on a double-acting hydraulic press:

A smooth, consistent pressing action
Variable ram speed for precise control of ram movements
Convenient control of the press when the work-head is out of the operator&#;s reach
Adjustable table for convenient vertical movement using a self-locking hoist
Double-acting cylinder for pulling and pressing ram action
Safety valve to protect against overloads
T-ring seals that prevent pressure loss

4. The Manual Hydraulic Press

Dake&#;s Manual Force 10M Press from Dake Corp.

Manual hydraulic presses also use a hydraulic cylinder, often positioned vertically, containing a piston on which a hydraulic pump exerts pressure. As the piston advances from the pressure, it creates a compressible force on a stationary baseplate. Manual hydraulic presses are prevalent in metal forming, assembly, fixturing, and a host of other applications.

Efficient hand pump that is conveniently located
Rapid ram return that starts as soon as release valve is opened
Heavy steel frame for greater rigidity
Adjustable table and self-locking hoist for easy vertical movement

Look into our lineup of hydraulic presses

Our heavy-duty hydraulic presses are ideal for manufacturers and fabricators that perform straightening, bending, forming, testing, quality control, maintenance, punching, assembly, and shearing work. Dake has been manufacturing H-frame hydraulic presses since the s. You can trust their quality!

To find out more, fill out our contact form, call us at 1-800-937-, or us.

The company is the world’s best How Hydraulic Press Works supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

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