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Bending Basics: 6 steps to successful die selection for press brakes

Nov 24, 2025

What inside bend radius you can achieve hinges on tonnage requirements and available die-opening widths Figure 1 To get the most out of your press brake tooling, the tangent of the bend, where the radius starts, ideally should be halfway down the die face. In this situation, half the die face is equal to the outside setback (OSSB), the distance from the outside mold line (planes that run parallel to the workpiece) to the tangent point of the bend. Question: Our fabrication department is documenting standard processes to select the correct punch and die combination to produce the desired results when air bending. We want to achieve a 90-degree bend for a 0.0751-in.-thick piece of 304 stainless steel with an inside bend radius that’s also 0.075...

Hot Tags : punch and die press brake tooling

Press Brake Basics for New Operators

Nov 09, 2025

Press brakes are advanced forms of fabrication technology used for bending sheet or plate material, most commonly sheet metal. Successfully using one requires a detailed understanding of how the machine functions and the role of the person operating it. If you’re new to working with press brakes, there are some important things to keep in mind: Types of Press Brake The two most common types of press brake are hydraulic and electric: Hydraulic Press Brakes: These are easier to use and come with a lower price tag. They are ideal for working with large, inexpensive materials that do not require high-precision bends. Typical pressure forces range from 40 to 600, and a hydraulic press brake will likely be your only option if you require a brake larger than 300 to...

Hot Tags : bending sheet or plate material V-Dies Gooseneck Punchs Offset Dies Acute-Angle Dies Multiple-Bend Dies

What material requirements should CNC press brake tooling meet?

Oct 23, 2025

To ensure the durability of CNC press brake tooling, the selection of materials is extremely stringent. Only materials that meet the following requirements are considered high-quality. 1. Wear resistance This is a basic and crucial material property. During the production process, intense friction occurs between the mold surface and the workpiece. If the material is not wear-resistant, the CNC press brake tools will easily become damaged and fail. 2. Toughness The working environment is relatively harsh, and the mold must withstand tremendous impact forces. Only strong and tough materials can withstand such impact without breaking. 3. High-temperature resistance CNC bending tool operate in high-temperature environments, which can reduce their hardn...

Hot Tags : press brake tooling Press brake tools CNC press brake tooling bending tool

A press brake is a machine capable of bending metal sheets

Oct 14, 2025

A press brake is a machine capable of bending thin sheets. Its structure primarily consists of a support, a worktable, and a clamping plate. The worktable is mounted on the support and consists of a base and a pressure plate. The base is hinged to the clamping plate. The base consists of a housing, a coil, and a cover. The coil is located in a recess in the housing, and the top of the recess is covered by the cover. During operation, a wire energizes the coil, generating an attractive force on the pressure plate, thereby clamping the sheet between the pressure plate and the base. The electromagnetic clamping mechanism allows the pressure plate to be shaped to various workpiece requirements and can process workpieces with side walls, making operation very simple. CNC press brakes and...

Hot Tags : press brake bending metal sheets clamping plate worktable bending machine mold

What are the types of press brake tooling （bending machine molds ）

Oct 13, 2025

Classification of commonly used press brake tooling: There are several types of bending tools, including L-shaped, R-shaped, U-shaped, Z-shaped, etc. The upper punch mainly has different angles such as 90 °, 88 °, 45 °, 30 °, 20 °, and 15 °. There are double and single slots with different slot widths of 4-18V in the lower dies, as well as R lower mold, acute angle lower mold, flattening tool set, etc. press brake tooling punch and die are divided into sections and whole parts: the upper punch is generally divided into sections of 300mm, 200mm, 100mm, 100mm, 50mm, 40mm, 20mm, 15mm, 10mm, and the whole is 835mm. The lower die is generally divided into sections of 400mm, 200mm, 100mm, 50mm, 40mm, 20mm, 15mm, and 10mm, and the whole is 835mm. ① Bending tools are made o...

Hot Tags : press brake tooling upper punch press brake tooling punch and die flattening tool set bending machine molds tools storage cabinets

Maintenance and upkeep of the press brake

Oct 11, 2025

Before performing machine maintenance or cleaning, the upper punch should be aligned with the lower dies and the machine should be lowered and turned off until the work is completed. If startup or other operations are required, the mode should be selected as manual and safety should be ensured. The maintenance content is as follows: 1. Hydraulic oil circuit 1) Check the oil level in the fuel tank every week, and also check it after hydraulic system maintenance. If the oil level is below the oil window, add hydraulic oil; 2) The hydraulic oil used in this machine is ISO HM46 or MOBIL DTE25; 3) The new machine should have its oil changed after 2000 hours of operation, and every 4000-6000 hours of operation thereafter. After each oil change, the oil tank should be cleaned; 4) The syste...

Hot Tags : press brake machine tool Hydraulic components oil pipes upper punch lower dies

What are the key factors affecting bending accuracy?

Oct 08, 2025

Bending accuracy is a crucial technical specification for CNC press brakes. Key factors influencing bending accuracy include the sheet material, die-casting mold, machinery, and personnel. Let's discuss the specific aspects of these key factors: Key factors for sheet metal 1. Straightness of the sheet metal's reference points 2. Is the stress distribution of the sheet metal uniform 3. Is the thickness of the sheet metal consistent Key factors for die-casting molds 4. Is the accuracy of the upper and lower, left and right die-casting molds accurate 5. Is the lower die compensation device accurate and compatible with the frame design 6. The upper die fixture must be highly accurate. Key factors for mechanical equipment 7. Straightness of the clamping opening of the press...

Hot Tags : the lower die compensation device the backgauge system (X and R directions) die-casting molds

Types of press brake dies Ⅱ

Oct 06, 2025

In the age of automation and Industry 4.0, press brakes are becoming increasingly versatile and crucial for a wide range of manufacturing sectors. At the heart of these machines are the punches and dies, key tools that allow precise and repeatable bends to be made with a variety of materials. In this article we will look at the different types of dies The dies used in press brakes are indispensable components in the sheet metal bending process. They are designed to make bends of various complexity, taking advantage of the efficiency of the press brake. There are various models of dies for these machines, each with unique features and functions. They allow for both simple and more complex bends, helping to ensure accurate and high-quality results in sheet metal processi...

Hot Tags : Gooseneck punches Radius punch inserts Straight punches V-shaped dies Multi-V dies Z-inserts

How to Use a Press Brake

Oct 05, 2025

1. First, turn on the power, turn on the key switch on the control panel, and then press the oil pump to start. 2. Stroke Adjustment: When using a press brake, always pay attention to stroke adjustment and perform a test run before bending. When the upper die of the press brake reaches its lowest point, ensure there is a gap equal to the plate thickness. Failure to do so will damage the die and the machine. Stroke adjustment is available through both electric quick adjustment and manual fine adjustment. 3. Select the bending notch. Generally, choose a notch width that is eight times the plate thickness. For example, if you are bending a 4mm plate, you should choose a notch width of approximately 32mm. 4. Adjusting the back gauge is generally available through electric quick adjustment and...

Hot Tags : press brake bending notch upper die of the press brake

Types of press brake tooling Ⅰ

Oct 02, 2025

Now we need to move to the “proper tooling” which means choosing the tool from the catalog which will be good to bend your part or what mainly should be ordered for your production. And to speak about it we need to make a complete brief of tooling types and possibilities. We will try not to base on any tooling system but just the possible geometry of tools and their possibilities for bending. If you have the beginner level it is reasonable also to make a small introduction to press brake tooling itself and to divide it into the simple following categories: Bending punch - an upper tool so the tool will be attached directly to the moveable beam of the press brake or upper holder on the beam and will be moved together with the beam. We select punch based on the nece...

Hot Tags : Z-bending tools punches and dies radius tools Press brake tools press brake tooling

Press Brake Tooling Selection: Types & Rules to Follow

Oct 02, 2025

Press brake tooling selection is crucial to get the correct results from any sheet metal bending operation. Press brakes have become integral in almost every modern metal fabrication industry. Due to the huge popularity and wide applications, there are many different options for press brake tooling to suit various lengths and shapes of bends. This article will explore through the details of press brake tooling selection. The information presented here is useful for both beginner press brake operators and even experienced professionals in the field. You will learn about the press brake tooling materials, style options, various types, and important parameters for choosing press brake tooling. What is Press Brake Tooling? Press brake tooling is the equi...

Hot Tags : press brake tooling Acute angle punch Standard Punch Single V Die Multi V Die Flattening & Hemming Dies

What are the upper and lower tools of the press brake?

Oct 02, 2025

What are the upper and lower tools of the press brake ? Let's see how the tools are classified 1. The press brake tools include L-shaped, R-shaped, U-shaped, and Z-shaped press tools. 2. The upper tool of the press brake has different angles of 90 degrees, 88 degrees, 45 degrees, 30 degrees, 20 degrees, and 15 degrees. The lower tool is generally divided into 400mm, 200mm, 100mm, 50mm, 40mm, 20mm, 15mm, 10mm, totaling 835mm. 3. The lower tool of the press brake has 4~18V double groove and single groove, with different groove widths, as well as R lower tool, sharp angle lower tool, flattening tool, etc. 4. The upper and lower tools are divided into sections and overall: the upper tool is generally divided into 300mm, 200mm, 100mm, 100mm, 50mm, 40mm,...

Hot Tags : Press brake tools Z-shaped press tools upper tool lower tool

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