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  • Offer Profile
  • End-to-end precision from the
    components to the on-site service

    Founded in 1923 by Franz Kessler, the company has developed to become the leading supplier of motor spindles as well as directly driven 2-axis heads and rotary tilt tables for the machine tool industry. KESSLER is proud to list many major companies from the mechanical engineering sector amongst its long-standing customers.


    With the expertise of more than 95 years, the KESSLER Group is continuously developing and optimising its products. The KESSLER product range serves a wide range of sectors, processes and applications. Close cooperation with our customers remains our key focus. The extensive product range, from hightech spindles, 2-axis heads, rotary and rotary tilt tables to motors and direct drive systems, enables KESSLER to implement customised solutions with speed and flexibility.
Product Portfolio
  • Spindle Technology

      • MILLING SPINDLES

      • The KESSLER milling spindles have a modular design.

        Configure your own milling spindle model by specifying the installation position, motor,
        speed, bearing, lubrication and sensory system – the perfect customized solution for your
        individual branch and application needs.

        KESSLER offers more: As an internationally successful company with extensive and highly specialized expertise, we provide comprehensive advice about the design and manufacture of individual components and project management of complex system solutions. We use the very latest technology and analytical processes to test our components under realistic conditions, so that our products help your business to stay flexible and maintain its competitive edge.

        Our in-house development division is supported by extensive calculation and analysis skills
        and covers everything from drive technology to the construction of all-in-one systems.
        Furthermore, optimized production and assembly lines provide the framework for stable processes
        and the superior quality of our milling spindles.
          • V LINE

          • The V line is all about
            • Vertical machining
            • Suitable for tilting operation
            • Milling spindle for processing of different materials
            • Milling spindle for processing of workpieces with varying geometries
            • Use in small and large-scale production
            • Short duration until reaching the stable Tool Centre Point (TCP)
            • Equipped with shaft clamping for turning operation
            • Option to measure the axial shaft displacement
               
            All advantages of the modular system at a glance
            • The best matching COOLMOTION® motor for your individual needs:
              With very high torque, very high speed or high-compact design
            • Various bearing lubrication systems available
            • Hydraulic, pneumatic or electric release unit available
            • High flexibility: KESSLER rotary union for the media: Cooling lubricant,
              dry operation, compressed air, minimum cooling lubrication compatibility
            • Process reliability due to extensive sensory system
            • Analog or digital tool clamping status monitoring available on request
            • Hydraulic clamping for turning operations available
            • High power density due to very compact,
              space-saving design and light weight
            • Reduction of TCO (Total Costs of Ownership) due to the rapid change of the rotor exchange group (KESSLER QCC)
            • High availability with the KESSLER tool clamping system
            • High flexibility: Various tool interfaces available
            • High operational safety with LEDs due to optimal illumination of the tool intervention
            • Bearing preload dynamically adaptable to the machining process
            • Robust: Designed for high load forces in the machining process
              • V80

              • Spindle fitting: Ø 170 mm
                KESSLER COOLMOTION® motor
                Rotary union:
                Internal coolant supply with high volume flow
                Cooling: Closed cooling circuit
                Bearing lubrication: Grease / re-greasing / oil-air
              • V100

              • Spindle fitting: Ø 202 mm
                KESSLER COOLMOTION® motor
                Rotary union: Internal coolant supply with high volume flow
                Cooling: Closed cooling circuit
                Bearing lubrication: Grease / re-greasing / oil-air
              • V200

              • Spindle fitting: Ø 230 mm
                KESSLER COOLMOTION® motor
                Rotary union: Internal coolant supply with high volume flow
                Cooling: Closed cooling circuit
                Bearing lubrication: Grease / re-greasing / oil-air
              • V400

              • Spindle fitting: Ø 270 mm
                KESSLER COOLMOTION® motor
                Rotary union: Internal coolant supply with high volume flow
                Cooling: Closed cooling circuit
                Bearing lubrication: Grease / re-greasing / oil-air
            • MT LINE

            • The MT line is all about
              • 5-axis machining
              • Very short construction thanks to release unit and rotary union integrated in the shaft
              • Can be used in tilting heads
              • Processing of different materials
              • Machining of workpieces with varying geometries
              • Use in small and large-scale production
              • Short duration until reaching the stable Tool Centre Point (TCP)
              • As an option, can be supplied with clamps for turning operations
              • Option to measure the axial shaft displacement
              All advantages of the modular system at a glance
              • The most suitable COOLMOTION® motor for your individual needs:
                With very high torque, very high speed or high-compact design
              • Various bearing lubrication systems available
              • Hydraulic release unit
              • High flexibility: KESSLER rotary union for the media: lubricant,
                dry operation, compressed air, MQL capability
              • Process reliability due to extensive sensory system
              • Process reliability due to extensive sensory system
              • Analogue tool clamping status monitoring
              • Hydraulic clamping for turning operations available
              • High power density due to very compact,
                spacesaving design and light weight
              • Reduction of TCO (Total Costs of Ownership) due to the rapid change of the rotor exchange group (KESSLER QCC)
              • HSK and Capto tool interfaces
              • High degree of operational safety thanks to LEDs due to optimal illumination of the tool intervention
              • Robust: Designed for high load forces in the machining process
                • MT80

                  • Spindle fitting: Ø 170 mm
                  • KESSLER COOLMOTION® motor
                  • Cooling: Open cooling housing
                  • Bearing lubrication: Oil-air / re-greasing
                • MT100 S / L / H

                  • Spindle fitting: Ø 202 mm
                  • KESSLER COOLMOTION® motor
                  • Cooling: Open cooling housing
                  • Bearing lubrication: Oil-air / re-greasing
                • MT400

                  • Spindle fitting: Ø 270 mm
                  • KESSLER COOLMOTION® motor
                  • Cooling: Open cooling housing
                  • Bearing lubrication: Oil-air / re-greasing
                • MT500

                  • Spindle fitting: Ø 325 mm
                  • KESSLER COOLMOTION® motor
                  • Cooling: Open cooling housing
                  • Bearing lubrication: Oil-air
                • MT600

                  • Spindle fitting: Ø 395 mm
                  • KESSLER COOLMOTION® motor
                  • Cooling: Open cooling housing
                  • Bearing lubrication: Oil-air
              • H LINE

              • The H line is all about
                • Horizontal machining
                • Typical applications: Automotive industry, process machines
                • Milling spindle for machining of similar work pieces, with similar working cycles with a high work frequency
                • Milling, drilling, thread cutting, grinding, boring of
                • aluminium, castiron and steel
                • Internal monitoring of milling spindles (condition monitoring)
                • Tool clamping system designed for a maximum amount of tool changes
                • High speed: Up to 25,000 rpm
                • High torque: More than 400 Nm
                   
                All advantages of the modular system  at a glance
                • The best matching COOLMOTION® motor for your individual needs: With very high torque, very high speed or high-compact design
                  Various bearing lubrication systems available
                • Hydraulic or electric release unit available
                • High flexibility: KESSLER rotary union for the medias: lubrication, dry operation, compressed air, minimum cooling lubrication compatibility
                • Process reliability due to extensive monitoring system
                • Spindle fitting diameter and position: The spindle fitting diameter can be configured accordingly to meet your specific requirements
                • High productivity with the KESSLER tool clamping system – Clamping spring package is designed for 5 million tool changes
                • High productivity due to short acceleration and braking times
                • Milling spindle with end face contact monitoring
                • Removable assemling flange
                • Variable interface: Full contact plane surface or segmented plane surface
                • Various spindle heads available
                  – Individual shapes can be defined as required
                • High operational safety with LEDs due to optimal illumination of the tool intervention
                • 2x or 4x bearings available
                  • H80

                    • Spindle fitting: Ø 170 mm
                    • KESSLER COOLMOTION® motor
                    • KESSLER tool clamping system: Clamping spring package is designed for 5 million tool changes
                    • Rotary union: Inner coolant supply  with large volume flow
                    • Cooling: Closed cooling circuit
                    • Bearing lubrication: Grease / re-greasing / oil-air
                  • H100

                    • Spindle fitting: Ø 200 mm
                    • KESSLER COOLMOTION® motor
                    • KESSLER tool clamping system: Clamping spring package is designed for 5 million tool changes
                    • Rotary union: Inner coolant supply  with large volume flow
                    • Cooling: Closed cooling circuit
                    • Bearing lubrication: Grease / re-greasing / oil-air
                  • H200

                    • Spindle fitting: Ø 240 mm
                    • KESSLER COOLMOTION® motor
                    • KESSLER tool clamping system: Clamping spring package is designed for 5 million tool changes
                    • Rotary union: Inner coolant supply  with large volume flow
                    • Cooling: Closed cooling circuit
                    • Bearing lubrication: Grease / re-greasing / oil-air
                • LATHE SPINDLES

                • KESSLER lathe spindles – delivering excellent results for decades.

                  A wide variety of designs and a vast quantity of interfaces offer flexibility and maximum performance reserves for machine design. With operating speed ranges of up to 8,000 rpm and torque values of over 1,700 Nm, KESSLER lathe spindles offer the right drive for any application. Standard interfaces ranging from A4 to A15 enable variable connections. Special-purpose options, such as clamps, integrated temperature sensors or special-purpose interfaces, such as cylinder mounts, round off the product range.
                    • GRINDING SPINDLES

                    • KESSLER grinding spindles have been established on the market for many years.

                      Compact design, durable and very reliable operation are just some of the product characteristics. Internal and external grinding spindles with sizes from 80 to 250 mm are available. Variants with hybrid bearings have a very high radial and axial rigidity across the entire operating range.

                      They are the basis for highly precise concentricity, thermal stability, and maximum vibration quality. Countless options, such as speed sensors or integrated balancing systems offer maximum flexibility and compatibility with a wide range of applications.
                        • System Engineering

                            • HEAD LINE

                            • Two-axis heads with KESSLER spindles and motors
                              Intelligent systems: KESSLER heads think ahead – Head line

                              Applications with high requirements need a reliable partner. KESSLER 2-axis heads provide a compact and rigid design with high flexibility for numerous applications within your machine.

                              KESSLER’s latest torque motor generation achieves a high dynamic which is required especially when milling very intricate and narrow workpiece contours.
                              High positioning accuracy, high clamping force and a large tilting angle ensure that precise results are achieved in 5-axis machining.
                              KESSLER also offers compatible spindles for use with our 2-axis heads, to fulfill your machining needs.

                              Advantages
                              • Individual configurability due to modular design
                              • Reliable skilled partner - for 2-axis heads, spindles and motors
                              • High clamping torque in the C-axis
                              • High maximum torque
                              • High accuracy Secondary cooling in the C-axis reduces the heat input in the headstock to a minimum
                              • Very maintenance friendly Wear parts can be easily replaced on site
                              • Spindles are optionally available with shaft clamping for turning operations
                              • Robust design with monolithic fork
                              • Precise machining results - due to high positioning accuracy
                              • High flexibility – and suitability for numerous applications
                              • High productivity due to high tilting speed
                              • High clamping torque in the A-axis
                              • High dynamics due to the newest generation of powerful COOLMOTION® motors
                              • High degree of operational safety thanks to LEDs due to optimal illumination of the tool intervention
                              • High productivity thanks to high-torque motor spindles
                              • With new spindle-generation MT + PC line
                              • With Quick Connect Cartridge (QCC)*
                                • MINI 2AH

                                • Compact and highly dynamic.
                                  The entry-level model for processing high-strength aluminium alloys and composite materials. With a fitting diameter of 335 mm and upwards, the MINI 2AH supports a highly compact tool machine design.
                                • SMALL 2AH

                                • Bestseller for numerous application options.
                                  This ultrafast and highly efficient professional choice achieves a speed of 20,000 rpm (MT) for stell and composite machining, and a maximum of 30,000 rpm for aerospace applications. Spindles with a torque S1 of up to 200 Nm can be used.
                                • MEDIUM 2AH

                                • High-performance machine.
                                  The large and highly dynamic MEDIUM 2AH impresses with performance high chip removal rate and precise results whilst machining steel, with spindles up to 400 Nm torque S1.
                                • LARGE 2AH

                                • Power solution for heavy cutting requirements.
                                  Large-scale 2-axis head for powerful operation with spindles up to 1,200 Nm torque S1, for effortlessly mastering the machining of challenging materials such as titanium Inconel.
                              • TABLE LINE

                              • Rotary tables and rotary tilt tables with KESSLER motors

                                The KESSLER Table line includes single-axis rotary tables and dual-axis rotary tilt tables. It incorporates the renowned KESSLER know-how for superior quality and innovative technology. The individual components form a modular system which can be configured to suit your specific requirements. Allow us to build the ideal system for your application environment.

                                Heavy workpieces can be quickly positioned and secured. High positioning accuracy ensures precise results for 5-axis machining. KESSLER`s very latest torque motor generation, the ultra-flexible rotary and rotary tilt tables feature high acceleration and tilting speeds for maximum productivity. High-speed rotary tables can also be used for turning operations.

                                Advantages
                                • Individual configurability due to modular design
                                • Reliable skilled partner - for 2-axis heads, spindles and motors
                                • High clamping torque in the C-axis
                                • High maximum torque
                                • High accuracy Secondary cooling in the C-axis reduces the heat input in the headstock to a minimum
                                • Very maintenance friendly Wear parts can be easily replaced on site
                                • Spindles are optionally available with shaft clamping for turning operations
                                • Robust design with monolithic fork
                                • Precise machining results - due to high positioning accuracy
                                • High flexibility – and suitability for numerous applications
                                • High productivity due to high tilting speed
                                • High clamping torque in the A-axis
                                • High dynamics due to the newest generation of powerful COOLMOTION® motors
                                • High degree of operational safety thanks to LEDs due to optimal illumination of the tool intervention
                                • High productivity thanks to high-torque motor spindles
                                • With new spindle-generation MT + PC line
                                • With Quick Connect Cartridge (QCC)*
                                  • 2-AXES ROTARY TILT TABLES (2AT)

                                      • MINI 2AT

                                      • A-axis (tilting axis)
                                        • Torque S1: 1,040 Nm
                                        • Maximum torque: 2,080 Nm
                                        • Maximum speed: 100 rpm
                                        • Clamping: Hydraulic / pneumatic table
                                        • Clamping torque: 3,200 Nm
                                        • Tilting angle: ± 120°
                                        • Measuring system: Absolute
                                        • Accuracy of measuring system: ± 5“
                                           


                                        C-axis (turning axis)
                                        • Torque S1: 400 Nm
                                        • Maximum torque: 800 Nm
                                        • Maximum speed: 200 rpm
                                        • Clamping: Hydraulic / pneumatic table
                                        • Clamping torque: 2,000 Nm
                                        • Measuring system: Absolute
                                        • Accuracy of measuring system: ± 5“
                                         
                                      • SMALL 2AT

                                      • A-axis (tilting axis, one-sided drive)
                                        • Torque S1: 1,850 Nm
                                        • Maximum torque: 3,700 Nm
                                        • Maximum speed: 100 rpm
                                        • Clamping: Hydraulic / pneumatic table
                                        • Clamping torque: 4,000 Nm
                                        • Tilting angle: ± 120°
                                        • Measuring system: Absolute
                                        • Accuracy of measuring system: ± 5“
                                           

                                        A-axis (tilting axis, driven on both sides)
                                        • Torque S1: 2 x 1,040 Nm
                                        • Maximum torque: 2 x 2,080 Nm
                                        • Maximum speed: 100 rpm
                                        • Clamping: Hydraulic / pneumatic tabl
                                        • Clamping torque: 2 x 3,200 Nm
                                        • Tilting angle: ± 120°
                                        • Measuring system: Absolute
                                        • Accuracy of measuring system: ± 5“
                                           


                                        C-axis (turning axis)
                                        • Torque S1: 1,040 Nm
                                        • Maximum torque: 2,080 Nm
                                        • Maximum speed: 100 rpm
                                        • Clamping: Hydraulic / pneumatic table
                                        • Clamping torque: 3,200 Nm
                                        • Measuring system: Absolute
                                        • Accuracy of measuring system: ± 5“
                                      • MEDIUM 2AT

                                      • A-axis (tilting axis)
                                        • Torque S1: 2 x 1,850 Nm
                                        • Maximum torque: 2 x 3,700 Nm
                                        • Maximum speed: 100 rpm
                                        • Clamping: Hydraulic / pneumatic table
                                        • Clamping torque: 2 x 4,000 Nm
                                        • Tilting angle: ± 120°
                                        • Measuring system: Absolute
                                        • Accuracy of measuring system: ± 5“
                                           

                                        C-axis (turning axis)
                                        • Torque S1: 1,850 Nm
                                        • Maximum torque: 3,700 Nm
                                        • Maximum speed: 100 rpm
                                        • Clamping: Hydraulic / pneumatic table
                                        • Clamping torque: 4,000 Nm
                                        • Measuring system: Absolute
                                        • Accuracy of measuring system: ± 5“‘
                                         
                                    • 1-AXIS ROTARY TABLES (1AT)

                                        • MINI 1AT

                                          • Table plate diameter (mm) 400 - 600
                                          • Maximum speed (rpm) 25 - 1500
                                          • Maximum vertical workpiece weight (kg) 700 - 1000
                                          • Maximum horizontal workpiece weight (kg) 350 -  500
                                          • Total height (mm) 215 - 300
                                          • Maximum torque (Nm) 750 - 800
                                          • Clamping Hydraulic / Pneumatic table
                                        • SMALL 1AT

                                          • Table plate diameter (mm) 500 - 630
                                          • Maximum speed (rpm) 25 - 1200
                                          • Maximum vertical workpiece weight (kg) 1000 - 2000
                                          • Maximum horizontal workpiece weight (kg) 500 -  850
                                          • Total height (mm) 300 - 335
                                          • Maximum torque (Nm) 1290 - 2080
                                          • Clamping Hydraulic / Pneumatic table
                                        • MEDIUM 1AT

                                          • Table plate diameter (mm) 630 - 800
                                          • Maximum speed (rpm) 25 - 1000
                                          • Maximum vertical workpiece weight (kg) 1700 - 3000
                                          • Maximum horizontal workpiece weight (kg) 850 -  1200
                                          • Total height (mm) 300 - 353
                                          • Maximum torque (Nm) 2240 - 3700
                                          • Clamping Hydraulic / Pneumatic table
                                        • LARGE 1AT

                                          • Table plate diameter (mm) 1000
                                          • Maximum speed (rpm) 25 - 800
                                          • Maximum vertical workpiece weight (kg) 3000 - 4000
                                          • Maximum horizontal workpiece weight (kg) 1500
                                          • Total height (mm) 300 - 394
                                          • Maximum torque (Nm) 2720 - 3000
                                          • Clamping Hydraulic / Pneumatic table
                                      • TABLE LINE SPECIALS

                                          • Multi-axis rotary tilt tables
                                            for simultaneous machining in multi-spindle machines
                                          • Highly dynamic positioning tables
                                            for up to 1,000 positioning cycles per minute
                                          • 45° tables:
                                            High-compact design, optimal for use in machines with little available space
                                          • One-arm rotary tilt tables:
                                            Compact design for simple table loading and good access during the machining process