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XM91 Strong Permanent Magnet

Magnetic plate is a workholding device that uses magnetic force to securely clamp ferromagnetic materials (e.g., steel, iron) during machining, grinding, or other industrial processes. Maingly used on surface grinders, milling machines, engraving machine,wire cutting machine,electric discharge machine or lathes to hold flat or cylindrical parts during precision machining.
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Design

The Magnetic Plate is a remarkable piece of equipment with a design that combines functionality, durability, and efficiency. The core of its design lies in the magnetic mechanism, which is typically composed of high-performance permanent magnets or electromagnets. In the case of permanent magnet-based magnetic plates, the magnets are carefully selected for their strong magnetic properties and long-lasting performance. These magnets are often embedded within a sturdy steel housing, which not only protects them from external damage but also helps to concentrate and direct the magnetic field.

For electromagnet-based magnetic plates, the design includes a coil of wire wound around a ferromagnetic core. When an electric current passes through the coil, it generates a magnetic field, allowing the plate to attract ferromagnetic workpieces. The control system for the electromagnet is an essential part of the design, enabling operators to easily turn the magnetic field on and off as needed. This control system may include switches, regulators, and safety features to ensure proper operation and prevent any electrical hazards.

The surface of the magnetic plate is usually made of a smooth and flat steel plate. This surface is precision-machined to provide a stable and even contact area for the workpieces. In some designs, the surface may be grooved or patterned to enhance the grip on irregularly shaped workpieces or to facilitate the alignment of parts. Additionally, the edges of the magnetic plate are often rounded or chamfered to prevent damage to the workpieces and to ensure the safety of the operators.

The overall shape and size of the magnetic plate are designed to suit different applications. It can be rectangular, circular, or custom-shaped to fit specific machine tools or workbench setups. The thickness of the plate is also carefully considered to balance the need for sufficient magnetic strength with the requirement for a compact and lightweight design.

Advantage

One of the primary advantages of the Magnetic Plate is its strong holding power. Whether it uses permanent magnets or electromagnets, it can securely hold ferromagnetic workpieces in place during machining, welding, or other operations. This strong grip reduces the risk of the workpiece moving or shifting, which is crucial for achieving accurate and consistent results. For example, in milling operations, the magnetic plate can hold the workpiece firmly, allowing for precise cutting and shaping.

Another significant advantage is its ease of use. With a simple on/off control for electromagnets or the constant magnetic force of permanent magnets, operators can quickly and easily attach and detach workpieces. This eliminates the need for complex clamping mechanisms, such as screws or vices, saving time and effort during setup and changeover processes. It also reduces the risk of damaging the workpiece during clamping, as the magnetic force is evenly distributed across the surface.

The Magnetic Plate is also highly versatile. It can be used with a wide range of ferromagnetic materials, including steel, iron, and some alloys. It can be installed on various machine tools, such as milling machines, grinding machines, and drilling machines, as well as on workbenches for manual operations. This versatility makes it a valuable tool in many industries, from manufacturing to repair and maintenance.


1. Secure Clamping:  

Generates a strong magnetic field to hold flat or irregularly shaped metal workpieces firmly in place, ensuring stability during operations.

2. Quick Setup:  

Allows rapid loading and unloading of parts without mechanical clamps or screws, improving workflow efficiency.

3. Precision Alignment:  

Maintains consistent positioning and flatness of workpieces, critical for high-accuracy tasks like grinding or milling.

4. Versatility:  

Compatible with various shapes and sizes of ferromagnetic materials, reducing the need for custom fixtures.

5. Non-Damaging:  

Avoids surface marks or deformation caused by traditional clamping methods.

XM91 Permanent Magnet

ModelWidthLengthHeightPole PitchNW,kg
XM91 100x175100175452(1.5+0.5)7
XM91 125x250125250452(1.5+0.5)13
XM91 150x150150150452(1.5+0.5)9.4
XM91 150x300150300452(1.5+0.5)19
XM91 150x350150350452(1.5+0.5)22
XM91 150x400150400452(1.5+0.5)26
XM91 150x450150450452(1.5+0.5)29
XM91 200x400200400452(1.5+0.5)35
XM91 200x450200450452(1.5+0.5)39
XM91 200x500200500452(1.5+0.5)43


Q: How do I determine the suitable magnetic plate for my workpiece?

A: First, consider the size and weight of your workpiece. Choose a magnetic plate that has a surface area large enough to support the workpiece adequately and a magnetic force strong enough to hold it securely. If your workpiece is very heavy, you may need a plate with a higher magnetic holding capacity. Also, consider the shape of the workpiece. For irregularly shaped parts, a magnetic plate with a grooved or patterned surface may be more suitable to ensure a better grip.

Q: Can I use a magnetic plate for non-ferromagnetic materials?

A: No, magnetic plates are designed to work with ferromagnetic materials. Non-ferromagnetic materials, such as aluminum, copper, and most plastics, will not be attracted by the magnetic plate. If you need to work with non-ferromagnetic materials, you will need to use other clamping methods, such as mechanical vices or vacuum chucks.


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