The method used for cutting wires significantly impacts the quality of concrete. To better suit its application, we will introduce you to the cutting specifications and techniques involved in this process.
Generally, wire cutting methods utilize cold-drawn steel wire with a small diameter ranging from 0.4 to 0.8 mm as the raw material. This wire is then cut into short steel fibers according to a specific length. The cutting can be done using a variety of tools, such as a cutter, a punch, or more commonly, a rotary cutter.
The steel fibers produced through this traditional method exhibit significantly higher tensile strength compared to those made by other techniques, reaching up to 1000–2000 MPa. However, there are some drawbacks. Cold-drawn steel wire is relatively expensive, which makes the final product costly. Additionally, the smooth surface of these fibers results in poor bonding with materials like concrete.
To overcome these limitations, new cutting methods have been developed. These innovations aim to enhance both the performance and cost-effectiveness of steel fiber production.
1. **Waveform Method**: Before cutting, the wire is pressed into a wave-like shape using a pinch roller, which improves its mechanical interlocking with the surrounding material.
2. **Pressure-Increasing Method**: A prismatic pit is pressed onto the wire using the pinch roller, increasing its surface roughness and enhancing adhesion.
3. **Hook Method**: The wire is shaped into a hook-like form before being cut, which also improves its bonding properties with concrete.
These advanced techniques are now widely used in the industry to produce high-quality steel fibers that offer better durability and performance.
For more information on steel fiber technology and related developments, visit [http://news.chinawj.com.cn](http://news.chinawj.com.cn).
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Electric Hydraulic Pump
An electric Hydraulic Pump is a device that uses an electric motor to power a hydraulic system. It is commonly used in applications where a hydraulic system needs to generate high pressure or provide precise control over fluid flow.
The pump consists of an electric motor, a hydraulic pump, and a reservoir for hydraulic fluid. The electric motor drives the hydraulic pump, which pressurizes the hydraulic fluid. The pressurized fluid is then used to power hydraulic cylinders, motors, or other hydraulic components.
Electric hydraulic pumps are often used in industrial machinery, construction equipment, and automotive applications. They offer advantages such as high efficiency, quiet operation, and precise control over fluid flow. They can also be more compact and easier to install than traditional hydraulic systems that use a diesel or gasoline engine.
Some electric hydraulic pumps are designed for portable use, with a built-in battery or the ability to be powered by an external power source. These pumps are often used in remote locations or for mobile applications.
Overall, electric hydraulic pumps are a versatile and efficient solution for powering hydraulic systems in a wide range of applications.
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