Profile grinding machine | create geometric shapes

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CNC profile grinding machines for industrial production

How a CNC profile grinding machine works

A profile grinding machine is a specialized machine tool for the precise machining of complex workpiece contours. In contrast to conventional grinding machines, it is not only used for smoothing surfaces, but above all for producing precise profiles and geometric shapes on metallic materials.grinding machines, it is not only used to smooth surfaces, but above all to produce precise profiles and geometric shapes on metallic materials. The machining process is carried out by grinding with a profiled grinding tool that is precisely adapted to the desired workpiece contour.

Modern profile grinding machines have integrated measuring systems and automated correction functions that ensure consistent quality assurance in the manufacturing process. Programming is usually carried out via CAD/CAM systems, which allows quick and efficient conversion to new workpiece geometries. The profile grinding machine thus combines high precision with flexibility – a key requirement in today's metalworking industry.

Design of a CNC profile grinding machine

A profile grinding machine consists of the following components: The machine bed forms the stable foundation. The workpiece table is usually mobile and enables precise positioning. The grinding spindle, often mounted on a mobile axis, drives the profiled grinding wheel. CNC-controlled axes allow complex motion sequences. High-precision linear guides and ball screws ensure repeat accuracy. Integrated coolant systems ensure temperature control and chip removal. Modern machines also feature optical or tactile measuring systems and CAD/CAM software for profile creation and programming.

Optical profile grinding machine

An optical profile grinding machine is characterized by its integrated optical control unit, which enables high-precision machining of delicate profiles. A projection system with enlarged display of the grinding process monitors the contour of the workpiece in real time.The machine is ideal for small series and one-off production with complex profiles, as it achieves maximum accuracy without CNC programming. The machine is ideal for small series and one-off productions with complex profiles, as it enables maximum accuracy without CNC programming. The combination of precision mechanics and optical precision is typical.

Other types of grinding machines

At machineselection.com, we distinguish between the following types of grinding machines:

The following search terms are frequently used for CNC profile grinding machines: Profile grinding machine metal, Grinding machine metal industry, Machine search for profile grinding machine

Manufacturing with the CNC profile grinding machine

In profile grinding, the workpiece is fixed on a workpiece table that can be moved along various axes. The grinding tool rotates at high speed and removes microscopic amounts of material through contact with the workpiece. This process is highly precise, with modern CNC-controlled profile grinding machines enabling exact repeatability and the finest surface finishes. Depending on the application, both form grinding wheels and CNC-profiled ground tools are used.

A major advantage of the profile grinding machine is its ability to produce complex geometries with high dimensional and shape accuracy. This is particularly important in the series production of tools, gear wheels, turbine blades, or precision guides. The grinding process can be carried out dry or wet, with cooling lubricants helping to reduce heat and remove chips.

Carbide profile grinding

Carbide profile grinding places the highest demands on the machine, tool and process control. Due to the extreme hardness of carbide, CBN or diamond grinding wheels are usually used. Machining is carried out with low feed rates, high cutting speeds and intensive cooling to prevent cracks or breakouts. Precise profile accuracy is important, as carbide is often used in precision tools. Dressing the grinding wheel requires special dressing tools and experience. CNC-controlled profile grinding machines with integrated measuring technology ensure repeat accuracy. Carbide profile grinding is used in particular for punching and forming tools, dies or cutting punches, as well as in the manufacture of precision tools, in order to produce long-lasting tools with consistent dimensions.

Roller grinding vs. profile grinding

The difference between cylindrical grinding and profile grinding lies in the machining process and the tool movement. In roll grinding, machining is performed by a continuous relative movement between the grinding tool and the workpiece, whereby the grinding wheel produces the tooth profile by a rolling movement – ideal for the series production of gears. In profile grinding, on the other hand, the exact tooth profile is cut directly into the grinding wheel and then transferred to the workpiece by form contact. This process is particularly suitable for complex or asymmetrical profiles and for small batch sizes.Profile grinding offers maximum precision, while roll grinding impresses with its high productivity.

Application in industrial metalworking

Profile grinding machines are used in numerous high-tech industries where maximum precision is required. These include, above all, mechanical engineering, the automotive industry, aerospace, toolmaking, and medical technology. In these areas, complex geometries with tight tolerances must be manufactured.

Typical workpieces are:
Gear manufacturing
Gears
Turbine blades
Guide rails
Cutting and punching tools
Hard metal molds
Injection molding tools
Precision tools
Cam discs
Precision slide guides
Shear and knife molds

These workpieces require the highest surface quality and dimensional accuracy, which cannot be achieved with conventional grinding machines.

Tools for a CNC profile grinding machine

Typical abrasives are CBN (cubic boron nitride) and corundum. Among others, the following are used:

Profiled CBN grinding wheels
Diamond grinding wheels
Form grinding wheels
Dressing rollers
Grinding pins
Grinding bodies with negative profile
Segmented grinding tools
Grinding belts (for special shapes)
Electrolytically profiled discs
CNC-profiled ground tools

Accessories and operating materials for a CNC profile grinding machine

Various accessories and operating materials are required to operate a profile grinding machine. These include cooling lubricant systems with filter units for cooling and chip removal, as well as extraction devices for air purification. Dressing tools and measuring systems for calibrating and checking the grinding profiles are essential. Clamping devices for precise fixing of the workpieces, workpiece holders, and change tables increase efficiency. In addition, grinding wheel holders, abrasives, and cleaning and maintenance equipment are required. CAD/CAM software and a control terminal round out the accessory package.

Leading manufacturers of CNC profile grinding machines

In our manufacturers directory, you will find machine tool manufacturers that produce profile grinding machines for metalworking.

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Selecting the right profile grinding machine

If you want to buy a CNC profile grinding machine, there are several important features and specifications to consider.

Key criteria are the repeatability and positioning accuracy of the CNC axes.
The power of the grinding spindle and the grinding wheel size also play an important role in order to be able to machine different workpiece sizes.
The integration of modern control systems (e.g., Siemens, Fanuc) and CAD/CAM interfaces is crucial for efficient programming and automation.
Other important features include the number of axes, the possible profile complexity, and the availability of automatic measuring systems for process control.
A stable machine bed reduces vibrations and increases machining quality.
Finally, you should pay attention to compatibility with different abrasives (CBN, diamond) and accessories such as dressing systems and coolant filters.

Find the CNC profile grinding machine that suits your production requirements now at maschinenauswahl.de.

Notes

This page answers the following questions, among others:

What is a profile grinding machine?
What is the definition of profile grinding and what is the explanation for CNC profile grinding?
What are the special features of carbide profile grinding?
What is the difference between roll grinding and profile grinding?

All machines from the category Profile grinding machine