Precision sanding with metal grinding machines
Highest accuracy for industrial applications
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Precision sanding: Progress through precision
Precision grinding aims to bring workpieces to the desired dimensions with maximum accuracy. This process ensures that the components achieve a specific thickness or flatness, which is crucial for many industrial applications and high-tech sectors.
At the heart of precision sanding is the sanding of sheet metal to a specific thickness. Wide belt sanding machines are used for this, which have been specially developed to sand large surfaces evenly and precisely. Our machines are able to process large-format parts with an accuracy of up to 2-3 hundredths of a millimeter.
Technologies in the field of precision grinding
We combine highly developed grinding processes with precise technology to master even the most complex challenges. Our expertise extends to the finest details and highest accuracy to ensure products of exceptional quality. Discover how we set the standard in precision grinding through innovation and excellent craftsmanship.
Wet grinding technology is a highly developed method in the field of precision grinding that ensures outstanding surface quality and accuracy thanks to its combination of grinding technology and continuous liquid feed. This technique offers several key advantages that make it the preferred choice for precision machining.
A key advantage of wet grinding technology is the ability to machine workpieces with extremely tight tolerances. This is achieved by the continuous supply of liquid, which minimizes thermal expansion and ensures uniform material removal. With conventional grinding processes, the heat generated can lead to deformation and stresses in the workpiece, which impairs precision. In contrast, the liquid used in wet grinding effectively dissipates the heat generated. This prevents thermally induced stresses and deformations that could otherwise impair dimensional accuracy and surface quality.
Wet grinding technology also offers the advantage of improved cooling and lubrication during the grinding process. This not only reduces wear on the grinding wheel, but also increases its service life and performance. The constant supply of liquid also rinses off grinding particles and material removal immediately, which minimizes the risk of scratches and other surface damage. This achieves a consistently high surface quality, which is of crucial importance in many industries, particularly in the aerospace, medical technology and automotive industries.
In the field of precision sanding, the use of a fixed transport table has proven to be particularly effective. Unlike conventional conveyor belts, which can often cause fluctuations and inaccuracies, the fixed transport table provides a stable and controlled platform for the sanding process.
The transport table is mounted on precise guide rails that allow it to move back and forth evenly and accurately. This ensures that the workpieces remain stable and secure on the table throughout the entire sanding process. The table itself is also precision ground to avoid any unevenness and provide an even base for the workpieces.
Vacuum table: A vacuum table is often used for non-magnetic workpieces. This table holds the workpiece securely through a vacuum created between the table surface and the workpiece.
Magnetic table: A magnetic table is used for magnetic materials. This uses strong magnetic fields to hold the workpiece securely on the table.
The sanding process begins when the part to be processed is placed on the fixed transport table. By moving the table along the guide rails, the workpiece is guided under the sanding machine. This movement is controlled and uniform, enabling precise processing of the part. The grinding machine grinds the workpiece in repeated passes, removing only a few hundredths of a millimeter of material each time. This iterative process ensures that the workpiece achieves exactly the desired thickness and surface quality at the end.
The use of wide belts means that even large-format workpieces can be processed with ease. Our machines are equipped with wide sanding belts that achieve an even sanding effect across the entire surface of the workpiece. The workpiece is processed in repeated passes, with only a few hundredths of a millimeter being removed each time. This step-by-step process guarantees that the workpiece achieves the desired thickness and perfect surface quality at the end. Thanks to the even sanding effect of the wide sanding belts, even large surfaces are processed homogeneously without any unevenness.
Our software not only offers intuitive operation, but also the option of programming various sanding profiles and running them automatically, which increases the efficiency and consistency of processing. A key element is the special height adjustment, which enables precise adjustment of the sanding tools and positions. This precise adjustability is particularly important for adapting to different material thicknesses and sanding requirements, ensuring uniform material removal and surface finish.
Metal grinding technology series
Base frame made of polymer concrete
WEBER relies on a special production technique in the field of precision grinding, which is characterized by the use of a base frame made of polymer concrete. Polymer concrete is known for its excellent vibration damping and high stability. These properties play a decisive role, not only by minimizing the transmission of vibrations to the workpiece, but also by contributing to the longevity and reliability of the machine. The use of precision guide rails ensures that the machine's table is guided back and forth with precision. The rails are designed to ensure very stable movement and support high loads without causing oscillation or vibration. This combination of polymer concrete base frame and precision guide rails enables the WEBER machine to meet the highest demands for precision in sanding.
Questions about precision grinding:
Precision grinding refers to a grinding process in which a workpiece is machined with the highest accuracy and first-class surface quality. The process is essential in manufacturing and is used in numerous industries to produce parts with tight tolerances and smooth surfaces. Whether in the automotive, aerospace or toolmaking industries, precision grinding ensures that products meet the highest standards.
- Increased service life of the workpieces: Thanks to the high surface quality and accuracy, the service life of machined parts is significantly increased.
- Improved performance: Precisely ground parts work more efficiently and reliably, which is particularly important in high-performance applications.
- Reduced wear: Smooth surfaces minimize wear and friction between moving parts, increasing component life and reliability.
- Cost savings: By reducing scrap and rework and extending the life of tools and components, our precision grinding solutions help to reduce operating costs.
Precision grinding is used in a variety of industries, including automotive, aerospace, medical, electronics, precision engineering, jewelry, optics and many others that require high-precision components.
- Functionality and fit: In many technical applications, especially in the mechanical engineering industry or for precision mechanical devices, parts must be manufactured very precisely so that they function perfectly and fit together well
- Visual and aesthetic reasons: Precision grinding plays a crucial role in products that also have to meet aesthetic requirements.
- Quality control and safety: Precision grinding is often also a prerequisite for safety and reliability.
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