M.+M. Mai cylindrical grinding machines: Precision cylindrical grinding at its best
M.+M. Mai cylindrical grinding machines stand for precise external and internal grinding in single-part, small-batch and series production. Whether conventional or CNC-controlled:rigid machine designs, high-precision guideways, hydraulic slide movements and hydrodynamically supported grinding spindles ensure stable processes, high repeatability and long service life – particularly for applications in mechanical engineering, automotive, aerospace and medical technology.
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CNC-Controlled Universal & Production Cylindrical Grinding Machines
- 19'' LCD color display with touch function
- M.+M. Mai software with GUIDE for guided and simple program creation on the workpiece
- IPC operating system Windows 10 IoT
- Hand panel with axis and speed selector switch
- FEM-optimized polymer concrete bed for maximum stability and durability
- Mechanical separation of machine and peripherals for thermal stability and minimization of vibration influences
- Up to 100 kg workpiece weight
- MT3 and MT4
- Stroke 20 mm (optional 60 mm and 120 mm)
- Adjustment range +/- 30 µm
- Pneumatic and hydraulic lift-off
- Applications with stationary or rotating spindle
- Speed range 1 – 1,000 min-1
- Roundness accuracy ≤ 0.001 mm (optional ≤ 0.0005 mm)
- Oriented spindle stop
- MT4, MT5 and MT6 available
- Linear guideway for X-axis, low-maintenance, high-precision
- Low-wear sliding guideway for Z-axis
- Optical position measuring systems on X- and Z-axis
- High dynamics thanks to speeds of up to 8 m/min on Z- and X-axis
- Good overview of the grinding process
- Centrally and easily accessible interfaces for table attachments
- Thoughtful accessibility for cost-effective maintenance and service
- Optional with automatic door opening
- Cantilever 100 Nm
- Between centers up to 100 kg (depending on variant)
- Significant reduction in non-productive times thanks to fast swiveling of the fully automatic wheelhead
- Highest positioning and repeat accuracy through the use of a Hirth coupling
CNC-controlled universal and production cylindrical grinding machines from M.+M. Mai are high-precision machine tools for external, internal and face grinding of rotationally symmetrical components. They combine maximum flexibility with automated production processes and are suitable for both high-mix manufacturing and cost-efficient series production.
The key advantage lies in the combination of precision, automation and process reliability. Companies benefit from reduced setup times, lower scrap rates and consistently high component quality. This reduces cost per part while significantly increasing productivity and planning reliability.
They are used wherever tight tolerances, high surface quality and reliable series production are required. Typical applications include shafts, bearing seats, gears, spindles and other rotationally symmetrical precision components in medium to large production volumes – from single-part to series production.
Their flexibility allows new workpieces, materials and geometries to be integrated without extensive modifications. Modern CNC technology enables easy integration into digital manufacturing processes, automation systems and quality assurance solutions – a key advantage in the context of Industry 4.0.
Intelligent control systems, monitored grinding processes and reproducible programs ensure consistent results over long production runs. This minimizes operator influence, increases process stability and enables reliable series production even with increasing quality requirements.
An overview of our CNC-controlled cylindrical grinding machines
CNC-Controlled Precision Cylindrical Grinding Machines
- With MT5 (roller-bearing mounted)
- With MT4 (hydrodynamic bearings): very accurate concentricity ≤ 0,001 mm
- Alternatively with MT4 high-precision: high-precision concentricity ≤ 0,0005 mm
- Good damping properties
- Self-centering with high-precision concentricity
- Long service life
- High process stability thanks to high-precision V and flat guideways
- Distortion-free, thermally stable and vibration-damping
- Cubic, heavily ribbed
- Automatic loading and unloading of workpieces (optional)
- Customer-specific solutions possible through open loading interface
- Adjustable quill pressure
- Manual or automatic operation (optional)
- Taper correction +/- 0,02 mm (optional)
CNC-controlled precision cylindrical grinding machines from M.+M. Mai are machine tools designed for high-accuracy grinding of rotationally symmetrical components with extremely tight tolerances and highest surface quality requirements. They are used wherever dimensional accuracy, repeatability and process stability are critical to component performance.
They ensure consistently reproducible quality independent of the operator, reduce scrap and rework, and maintain stable processes even for demanding geometries. This increases process reliability and cost efficiency – particularly for high-value or safety-critical components.
Typical applications include precision shafts, bearing and sealing surfaces, tools, medical components as well as highly stressed parts in mechanical and automotive engineering. Wherever maximum accuracy and surface quality are functionally required, companies rely on M.+M. Mai precision cylindrical grinding machines.
They ensure long-term capability to manufacture demanding components economically and in compliance with standards. Flexible CNC programming allows rapid implementation of new requirements, increasing independence from external suppliers and enhancing in-house value creation.
Modern CNC systems enable monitored grinding processes, traceable parameters and consistent results across production batches. This simplifies quality verification, meets increasing customer requirements and reduces the risk of production deviations – a key strength of M.+M. Mai precision cylindrical grinding machines.
Our precision cylindrical grinding machines at a glance
Conventional Precision Cylindrical Grinding Machines
- With MT5 (roller-bearing mounted)
- With MT4 (hydrodynamic bearings): very accurate concentricity ≤ 0,001 mm
- Alternatively with MT4 high-precision: high-precision concentricity ≤ 0,0005 mm
- Good damping properties
- Self-centering with high-precision concentricity
- Long service life
- High process stability thanks to high-precision V and flat guideways
- Distortion-free, thermally stable and vibration-damping
- Cubic, heavily ribbed
- Adjustable quill pressure
- Manual or automatic operation (optional)
- Taper correction +/- 0,02 mm (optional)
Konventionelle Präzisions Rundschleifmaschinen von M.+M. Mai sind manuell oder teilmanuell bediente Werkzeugmaschinen zur hochgenauen Außen und Innenrundbearbeitung. Sie werden eingesetzt, wenn höchste Präzision, maximale Kontrolle durch den Bediener und flexible Einzelbearbeitung gefragt sind.
They are particularly cost-effective for single parts, prototypes, repairs and small batch production. Lower investment costs, short setup times and direct operator intervention enable fast, flexible and efficient manufacturing without complex programming.
Typical applications include toolmaking, maintenance, special machine construction and production environments with frequently changing workpieces. They are ideal for components with tight tolerances where adjustments during the grinding process are required.
Despite increasing automation, they remain indispensable wherever flexibility, craftsmanship and fast response times are critical. They enable companies to handle short-term requirements in-house and reduce dependence on external service providers.
Direct control by experienced operators allows fine adjustments during the grinding process. This enables maximum dimensional and surface accuracy, particularly for demanding single parts or sensitive component geometries – a core competency of M.+M. Mai for over 30 years.
