How to choose the right mold when buying a press brake

  • Aug 13, 2024
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Ⅰ. Bending materials

I. Material type

1. Different materials have different hardness, strength and toughness, which will affect the choice of mold. For example, for softer materials such as aluminum plates, you can choose a mold with relatively low hardness to avoid excessive indentation; while for harder materials such as stainless steel plates, you need to choose a mold with higher hardness and more durability.

2. If the material to be bent is a special alloy or composite material, a specially customized mold may be required to ensure the bending effect and mold life.

II. Material thickness

1. The thickness of the material is one of the important parameters for selecting a mold. Thinner materials can usually use smaller molds, while thicker materials require larger and stronger molds.

2. Generally speaking, the opening size of the mold should be slightly larger than the thickness of the material to ensure that the material can be smoothly placed in the mold for bending.

Ⅱ. Bending angle and shape

I. Bending angle

1. Different bending angles require molds of different shapes. Common bending angles are 90 degrees, 135 degrees, etc. For bending at special angles, customized molds may be required.

2. Some bending machines can achieve bending at different angles by adjusting the position of the mold or using a special angle adjustment device, but this will also affect the selection and use of the mold.

II. Bending shape

1. If you need to bend a complex shape, such as U-shape, L-shape, Z-shape, etc., you need to choose a mold of the corresponding shape. These molds are usually composed of multiple parts, which can be combined and adjusted as needed.

2. For some high-precision bending shapes, it may be necessary to use a CNC bending machine and a special mold to ensure the accuracy and consistency of the bending.

III. Bending machine specifications

I. Bending machine pressure

1. The pressure of the bending machine determines the thickness and strength of the material that can be bent. When selecting a mold, make sure that the mold can withstand the pressure of the bending machine and will not be deformed or damaged during use.

2. Generally speaking, the strength of the mold should be slightly higher than the pressure of the bending machine to ensure a safe and stable bending process.

II. Bending machine workbench size

1. The workbench size of the bending machine determines the size of the workpiece that can be processed. When choosing a mold, make sure that the size of the mold matches the size of the workbench of the bending machine so that the bending operation can be carried out smoothly.

2. If you need to process larger workpieces, you can choose a segmented mold or an adjustable mold to adapt to workpieces of different sizes.

IV. Mold quality and brand

I. Mold quality

1. The quality of the mold directly affects the bending effect and the service life of the mold. High-quality molds are usually made of high-strength steel, and after precision processing and heat treatment, they have good hardness, toughness and wear resistance.

2. When choosing a mold, you can check the surface quality, dimensional accuracy, hardness and other parameters of the mold to evaluate the quality of the mold. At the same time, you can consult other users or professionals to understand the quality and performance of molds of different brands.

II. Brand and after-sales service

1. Choosing molds from well-known brands can guarantee quality and after-sales service. Well-known brands usually have stricter quality control systems and more complete after-sales service networks, which can promptly solve problems encountered by users during use.

2. When purchasing a mold, you can understand the brand's reputation and market share, and choose a brand with good reputation and reliable quality. At the same time, we should pay attention to the content and commitment of after-sales service to ensure that we can get timely technical support and maintenance services when needed.

V. Conclusion

In short, choosing a suitable bending machine mold requires comprehensive consideration of factors such as bending materials, bending angles and shapes, bending machine specifications, mold quality and brand. Before purchasing a mold, it is best to conduct sufficient research and comparison to choose the mold that best suits your needs to improve bending efficiency and quality.
Anhui ZYMT CNC Machine Tool Co., Ltd. has more than 20 years of experience in bending machine manufacturing. It is a reliable company known for its bending machines. Our bending machines are of excellent quality and reasonable prices. There are also a variety of molds that can meet your needs. It will be a good choice for you!
If you are interested in bending machines, you can browse our products and contact us at any time. We will provide excellent and timely services to answer your questions.

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