Looking to purchase a press brake? Ask these questions first!

HAVEN Product Page

  Press brakes are an extremely important machine for manufacturing companies.  It is a huge capital expense to go and purchase a brand new piece of ANY machinery and this could be pushed back due to budget issues.  BUT, buying a used press brake could be the answer!  Who knew that there were so many affordable options for your company to pick from?   These heavy duty machines were made to last decades!  This is why if you are looking to purchase machinery, USED is the way to go.   Below are some questions you should ask while looking at Press Brakes for sale.

• Are there pictures or video of the press brake? This really will help you get a visual of what machine you are inquiring about before you even schedule to see it in person.  Especially if it is a far drive for you.

• Can you schedule an in person visit with the machine? You should always be able to inspect the machine yourself before purchasing, so make sure you inquire about scheduling a visit.

• Are there maintenance records and info on preventative maintenance for the specific machine? A properly cared for machine will have maintenance logs available for you to inspect.  Keeping a machine maintained over its life time ensures that it has many more years left when it gets passed on to you.

• Does it meet your company's safety requirements? What about OSHA regulations?

• What are the tonnage calculations? Tonnage is going to be a big factor in deciding if this press brake is the right one for your company.  How thick of material can the machine bend?

• How do you transport a press brake?  What are the costs?  You need to be able to get the machine to your place of business!  Inquire about how this process works so you understand the time and costs behind transportation.

• Are there custom attachments? Any tooling come with the machine?

• Is it Mechanical, Hydraulic, Pneumatic, or Servo-Electric?

• Does it have a CNC system? (Computer numerical control)

• How old is the press brake? Press brakes can last a long time as long it was well maintained.  But you also want to make sure there will be parts available if you ever needed to replace or fix something in the future.  Any computer control systems that come with a press brake that are over two decades old will be hard to find parts for.  Check these parts for any signs of damage: Hydraulic System, Ram & Bed, and Tool Holders.

• Does the press brake need a bed? (Or otherwise called a pit) Depending on how high the tonnage is or how wide, you might need a pit, which is just a space in the floor for the machine.  Pits will always be preferred over flush floors with higher tonnage machines just from a safety standpoint.

We here at Revelation Machinery understand that this is a large investment for any business and we can ensure that you will be making the best decision for your company.  Think of buying used machinery as buying a used car.  You need to make sure you do your due diligence through the buying process.  And that is where we come in!   Press Brake brands that Revelation has in stock RIGHT NOW include: Accurpress, Amada, Baykal, Chicago, Cincinnati, Guifil, HTC, Pacific, Verson, Wysong and more.   What type of press brake are YOU looking for?  Look at our large selection of used press brakes!    If you can't find what you are looking for, we are more than happy to help!        

Press brakes are a necessity to almost any metal fabrication shop. Unfortunately, despite being one of the most important and desired pieces of machinery in a shop, they're still misunderstood'even by professionals. To help you better understand press brakes, we put together this short, layman's-level guide.

If you want to learn more, please visit our website CNC Press Brake.

What Are Press Brakes?

Press brakes are machines that form lengths of sheet metal. These sheets are typically used in manufacturing, industrial applications, or as components for other devices. Most press brakes are rated by their capacity to press metal and their overall bending length; this is expressed in numbers (e.g., total PPI, or pounds of pressure per inch). They come in many forms and often are equipped with tooling and add-ons designed to create highly customized components. Press brakes fall into two main categories: mechanical and hydraulic. In the next sections, we'll break down the difference and explain the prominent features of each style.

Mechanical Press Brakes

Mechanical press brakes operate via a motor inside the device. This motor spins a large flywheel at high speeds. The machine operator controls the flywheel through a clutch, which then sets the rest of the parts into motion to bend the metal. The mechanical press brake is much more straightforward, especially regarding its electronics, making maintenance and operation easy. They can also handle tonnages two to three times higher than their inherent rating, due to the nature of the mechanisms. The primary disadvantage of using mechanical press brakes is that the ram inside the machine must complete a full cycle when engaged and cannot be reversed. This creates some safety concerns if the operator makes a mistake and sets some limitations on the machine. One possible hazard is the potential for the press brake to become locked if the ram travels too far.

Hydraulic Press Brakes

Hydraulic press brakes apply pressure via hydraulics to force the ram down, instead of relying solely on mechanics. They may have more than one cylinder and give the operator more precise control over the bend. The result is a highly accurate and customizable bend. Like mechanical press brakes, hydraulic press brakes do have some specific disadvantages. Primarily, they cannot exceed the range of their rated tonnage. If your project requires flexibility, mechanical press brakes may be preferred.

Press Brake Controls

Early generations of press brakes only had one axis of motion to make bends. They were much more limited compared to modern machines with 12 or more programmable axes of movement. Modern press brakes are highly precise and create graphical representations of the end result to aid the operator. Newer computers have dramatically reduced the setup time as well. They're able to quickly calculate optimal settings based on materials being used, its dimensions, and the desired results. These calculations used to be done by hand, back in the day.

Types of Bending

There are two ways press brakes can bend metal. The first is called bottom bending because the ram will press the metal to the bottom of the die. Bottom bending results in highly accurate bends and relies less on the press brake machine itself. The downside is each tool is they're made to create one specific bend, so you'll need to purchase a new one for every angle you want to make. Air bending leaves an air pocket between the ram and the bottom of the die. This allows the operator to accommodate for any spring back the material might provide. These types of dies only need to be changed if the material's thickness is too much. Air bending's drawback is the accuracy of the angle is affected by the material's thickness, so the ram needs to be changed out accordingly.

There's no denying that press brakes are one of the most useful tools an industrial-grade metalworker can have. Does your practice need an excellent press brake? Quantum Machinery Group has everything your business needs to succeed.

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