Aug. 19, 2024
If the majority of the workpiece is bent mm or shorter, then consider the number of bending machine tonnage is almost halved, which can greatly reduce the acquisition cost. Therefore, the length of the processed part product is quite important to determine the model specifications.
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If the plate to be bent in production is mild steel, the thickest has 6 mm, the length of mm within the free bending, then you should consider buying a bending machine of 100 tons or more. If the bending needs to be corrected bending, then a larger tonnage of the bending machine.
Consider carefully the sheet metal and the maximum thickness and length of processing. If the main production product material is mild steel, its thickness is within 3 mm, the maximum length does not exceed mm, then the free bending force does not need to be greater than 80 tons. However, if there is a large amount of bottom bending in the operation, then perhaps you should consider purchasing a bending machine of about 150 tons.
The first important thing to consider is the parts you want to produce, to fully estimate the standard size of the parts you want to produce goods, the shape of the structure, etc. to make a full accounting, the point is to buy a machine that can complete the processing task with the shortest table and the smallest tonnage, so as to achieve the purpose of practical and economical.
This means that shorter machines require less shim adjustment to produce quality parts, and less shim adjustment reduces lead time. However, most current CNC hydraulic bending machines have been designed for production with the addition of a hydraulic deflection compensation function, reducing the need for production operators to adjust the machine while improving bending accuracy and productivity. Hydraulic deflection compensation function is controlled by the CNC system, hydraulic oil through the magnetic service valve into the compensation cylinder, to carry out the table upward, while the deflection compensation force increases with the increase in bending force, thus playing a role in deflection compensation.
Bending machine in the bending process, especially when bending long size of the workpiece, deflection will occur. The longer the workpiece, the greater the deflection. Under the same load, the deflection of the table and slide of a mm model is four times greater than that of a mm model.
The material of the processing plate is also a key factor. Compared to mild steel, stainless steel typically requires about 50% more load, while most materials are about 50% less than soft aluminum. The relevant standard bending pressure parameters can be obtained from the bending machine manufacturer. The table shows the bending force required per mm length at different thicknesses and different plates.
Bending radius - tonnage specifications
The bending corner radius of the workpiece is also a factor to be considered during the bending of the product. When using free bending, the bending radius is 0.156 times the size of the V-groove opening.
In free bending, the V-groove opening should be 8 times the thickness of the sheet metal. For example, if a 12 mm V-groove opening is used to bend 1.5 mm mild steel, the bending radius of the part is approximately R = 1.9 mm. If the bending radius is close to or less than the thickness of the sheet, under molding must be performed. However, the pressure required for bottom bending is about four times greater than that for free bending. When free bending is performed, attention is paid to the gap between the upper and lower dies at the bottom of the stroke, and to the use of compensating springback to keep the sheet overbent at about 90°. Typically, the free bending die produces a rebound angle of ' 2° on a new bending machine and a bending radius equal to 0.156 times the opening of the lower die. Therefore the die angle for free up and down die bending process is generally 86 ~ 90°. At the bottom end of the stroke, there should be a gap between the upper and lower dies that is slightly larger than the thickness of the sheet.
The forming angle is improved because the larger tonnage of the bottom press bend (about 4 times that of the free press bend) reduces the stresses that normally cause springback within the bending radius. Impression bending is the same as bottom bending, except that the front end of the upper die is machined to the desired bend radius and the upper and lower die gap at the bottom of the stroke is less than the sheet thickness. Springback is largely avoided by applying sufficient pressure (about 10 times that of a free bend) to force the front end of the upper die to contact the sheet. In order to choose the lowest tonnage specification, it is best to plan for a bending radius greater than the plate thickness and to use free bending whenever possible. A larger bending radius often does not affect the quality of the finished part and its future use.
When dealing with metal sheets or pipes to fabricate various products, you need to have the best tools and machinery. A bending machine is a crucial tool for working with metal workpieces. However, the choice of bending machine can affect the results.
In this blog post, we'll guide you in choosing a suitable bending machine. You'll also explore the key factors when selecting a bending machine. So, let's get into it.
Various bending machines are available today to assist you in bending various workpieces. Here are some commonly used types of bending machines:
According to Wikipedia, a press brake bends metal sheets and plates. It includes a hydraulic or mechanical press to apply sufficient force to bend metals. Its rear gauge has three shafts that give better control over the bending process. You can control the speed and stroke of the machine, making it efficient equipment for metal bending.
This bending machine is convenient to operate. Its easy operation makes it the most suitable bending machine for handling large metal bending projects.
This bending machine employs friction to bend metal pipes into different shapes. It utilizes hydraulic machines, servo motors, or pneumatic operations as a power source to operate the machine. According to LinkedIn, different metal bending machines enable you to work with various metals, like stainless steel, steel, carbon, titanium, iron, copper, and aluminum.
It works by clamping the pipe so it remains stationary. The machine rotates to bend the pipe in the desired direction. Some machines also have a mandrel to prevent collapsing or wrinkling of pipe during bending. Metal pipe bending machines are used in several industries, including construction sites for plumbing or HVAC systems.
It is pyramid-shaped equipment that bends metal plates into a round or conical shape to create various shapes.
It employs plate rollers to bend the metal workpieces, which electric motors or CNC controllers control. A plate rolling machine can roll copper, aluminum, zinc, stainless steel, and other metal sheets, making it suitable for heavy-duty metal fabrication.
The sheet bending machine enables you to bend and shape metal sheets, plates, and panels. The sheet is placed on a lower die, and a slider bends it to the required angle. Many sheet-bending machines can also bend pipes. Some machines are customizable, and you can conveniently create complex shapes using them.
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Before choosing a bending machine, you should understand the factors that impact its performance. Here are some prominent factors you should consider when choosing a bending machine:
Bending capacity is a crucial factor that determines whether your machine model is compatible with handling your workpiece size. You can easily fit any workpiece smaller than the maximum capacity of your machine.
However, don't choose a bending machine with a bending capacity that is too large, as it requires extensive tooling and more energy consumption. It can also reduce productivity, increasing production costs.
Each bending machine can handle various types of material. Stainless steel is hard to bend and needs a high-powered metal bending machine. However, you don't need excess bending force when dealing with ductile metals like aluminum.
Check the manufacturer's recommendation before picking a bending machine. It will enable you to pick the machine that best fits your material's strength.
The number of tool stacks indicates the capacity of a bending machine to install bending dies. Installing multiple dies allows you to handle multiple radii in a single setup. Bending metal pipes in a tube bending machine with a large number of tool stacks allows you to minimize material handling. It also offers you higher design freedom, enabling you to create various designs at once.
Bend quality is another prominent factor that impacts the choice of a bending machine. It determines your machine's capability to create precise bend angles and lengths of straight portions. The machine assembly and quality of its various components also impact the bend quality it produces.
The stability of a control system involves several aspects, including hardware configuration, functionality, and reliability. It impacts the efficiency of a bending machine. The reliability of controllers is a critical factor in picking the right machine. You also need to focus on the durability of various components to ensure smooth operation.
For more information, please visit aluminum sheet bending machine.
Wall thickness is a crucial factor in choosing the right tube-bending machine. It determines the bending force required to bend a pipe or tube to a particular angle. The thickness of the material is also crucial when dealing with metal sheets and plates. Thicker materials required more force. You need to select a highly efficient bending machine to bend thick materials.
Various bending machines employ different power sources. They use hydraulic, pneumatic, or electric power. Hydraulic bending machines are best for bending tasks that require excessive power. Meanwhile, pneumatic or electric machines are known for their efficient energy consumption and smooth operations.
If you are dealing with workpieces that demand high-powered machines, you should go with hydraulic-powered bending machines. However, if you are looking for an energy-efficient solution, pneumatic or electric machines will be better for you.
Maintenance of a bending machine is a time-consuming and costly pursuit. However, without regular maintenance, your expensive machine will be ruined.
Some companies offer you durable machines with exceptional features that require less maintenance. Investing in such machines allows you to be carefree and concentrate on the bending process.
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Choosing the right supplier is as crucial as picking the right bending machine. A reliable bending machine supplier ensures the success and efficiency of your manufacturing processes. A reputable supplier helps you enhance your production while maintaining high quality. They also enable you to stay ahead of competitors in a competitive market.
Here are some considerations that can guide you in choosing the right bending machine supplier:
To choose the right supplier for purchasing a bending machine, search the market and find who offers it. Knowing the available options will help you choose the best one.
When you have various options, you can easily compare the purchasing costs of bending machines from different suppliers. Comparing the initial investment is crucial to understanding the market rates. However, don't go with low cost, as it might lead to poor quality.
A responsive and knowledgeable support team can minimize downtime and troubleshoot issues. They also provide the necessary training to operate the machine.
The reputation of a supplier is another notable factor. You can learn about the reputation of the supplier on the Internet. Customers leave reviews about suppliers on their websites that can help you learn about their services.
Some suppliers offer a warranty to ensure the durability of their machines. It gives you peace of mind and is a testament to the supplier's confidence in the quality of their bending machines. However, pay attention to the duration and coverage of the warranty.
The choice of a suitable bending machine is imperative for effective metal fabrication. However, comparing various bending machines is also necessary. The following aspects will help you compare various options and choose the best equipment:
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1. What are the different types of bending machines?
Various bending machines are available today. Commonly used machines include press brake, metal pipe, plate rolling, and sheet bending machines.
2. What are the four types of PVC bending?
The PVC bending process includes mandrel tube, compression, rotary draw, and roll bending,
3. What are the three types of bending?
Metal fabrication uses three types of bending. It includes air bending, coining, and bottom bending.
A bending machine is an imperative component for creative, unique products with metal. Various industries are employing this technology. Choosing the right bending machine enables you to streamline your operations and get the required bends and shapes. Take time to search for reputable suppliers to get the best product at the best rate. So, choose the right bending machine and create perfect shapes with metal.
Choosing a reliable bending machine is a daunting task. Baison Laser offers you high-end bending machines at the best rates. Baison Laser is a reliable bending machine supplier. In addition to these machines, it offers several laser solutions, including laser cutters, welders, and cleansers.
Contact us today to learn about the features of our machines and get one for your project.
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