Universal cylindrical grinding machines for industrial production
How a universal cylindrical grinding machine works
The universal cylindrical grinding machine is a precise machine tool for the external and internal machining of rotationally symmetrical workpieces. The term "universal" refers to its versatility: It can grind cylindrical, conical and profiled surfaces both internally and externally.
During cylindrical grinding, the workpiece is mounted on a rotating spindle and set in rotation. At the same time, the grinding wheel rotates at high speed. The workpiece is moved towards the grinding disc, removing material layer by layer. Precise feed and infeed movements achieve maximum dimensional accuracy and surface quality.
The machine can carry out different grinding processes, e.g. external cylindrical grinding between centres, internal cylindrical grinding with spindle mounting and centreless grinding in special designs. Its flexibility makes it possible to switch between different workpieces and processing types without time-consuming changeover times.
Another feature of the universal cylindrical grinding machine is its CNC control (on modern machines). This allows complex grinding programmes to be called up, grinding wheels to be aligned automatically and parameters to be adapted to the specific workpiece. The high repeat accuracy is a great advantage, especially for series production.
In addition, many machines are equipped with measuring systems for in-process control, which ensures consistently high quality even with varying workpiece dimensions. Thanks to these performance features, the universal cylindrical grinding machine is a central element in high-precision metalworking.
Structure of a universal cylindrical grinding machine
A universal cylindrical grinding machine consists of the following components: The machine frame provides stability and vibration damping. The workpiece spindle holds the workpiece while the grinding spindle drives the grinding wheel. A tailstock fixes long workpieces between centres. The table slide enables longitudinal movement, while the top slide is responsible for transverse movements. High-precision linear drives and Controls ensure exact positioning. A coolant system, dressing device and safety panelling complete the design.
Types of cylindrical grinding machines
At maschinenauswahl.de, we differentiate between the following types of cylindrical grinding machines:
- External cylindrical grinding machine
- Internal cylindrical grinding machine
- Universal cylindrical grinding machine
- Centreless grinding machine
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Application in industrial metalworking
Universal cylindrical grinding machines are widely used in industries where maximum precision is required. These include mechanical and plant engineering, the automotive industry, the aerospace sector, medical technology, toolmaking and energy technology. They are also indispensable in bearing technology, hydraulics and pneumatics as well as in gear technology.
Typical workpieces that are manufactured on a universal cylindrical grinding machine are
- Shafts
- axles
- spindles
- bushes
- bearing journals
- cylinders
- Piston rods
- Inner bores of bearings
- Tool holders
- Engine shafts
These workpieces are characterised by rotationally symmetrical geometries and tight tolerances. The universal cylindrical grinding machine is particularly popular for series production due to its repeat accuracy.
Tools for a universal cylindrical grinding machine
Grinding wheels of various types are primarily used in the universal cylindrical grinding machine. Typical examples are
- Aluminium oxide grinding wheels
- Silicon carbide discs
- CBN grinding discs
- Diamond grinding discs
- Profile grinding discs
- Cup wheels
- mounted points
- Internal grinding discs
- Dressing rolls
- Dressing diamonds
The selection depends on the material to be processed, the grinding process and the desired surface quality.
Accessories and operating materials for a universal cylindrical grinding machine
Various accessories and operating materials are required for the efficient operation of a universal cylindrical grinding machine. These include coolant systems for temperature control and chip removal, dressing systems for correcting the shape of the grinding wheels and workpiece clamping devices such as three-jaw chucks, collets or drivers. Extraction systems and safety panelling are also important. Operating materials include grinding oils, emulsions and cleaning agents. Measuring devices such as probes or in-process measuring systems are used for quality assurance.
Leading manufacturers of universal cylindrical grinding machines
In our manufacturers directory, you will find companies that produce universal cylindrical grinding machines for metalworking.
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Selecting the right universal cylindrical grinding machine
If you want to buy a new universal cylindrical grinding machine, there are several important features and specifications to consider.
- Firstly, the maximum grinding diameter and workpiece length play a key role in ensuring that the machine is suitable for the planned components.
- The concentricity and repeatability are also essential for precise results.
- The type of control - manual, semi-automatic or CNC - determines the flexibility and automation options.
- Other important features include the power of the grinding spindle, the feed speeds, the grinding wheel dimensions and the travel of the axes.
- Modern machines also have digital interfaces, automated loading systems and in-process measurement technology.
- The ease of servicing, availability of spare parts and the manufacturer's training and support services should also be taken into account when making a purchase decision.
Find the universal cylindrical grinding machine that suits your production requirements now at maschinenauswahl.de.