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  • STUDER – Know-how and capabilities

    Fritz Studer AG, established in 1912, is a market and technology leader in universal, external and internal cylindrical grinding as well as noncircular grinding. With around 25,000 delivered systems, STUDER has been synonymous with precision, quality and durability for decades.
Product Portfolio

  • STUDER high-precision cylindrical grinding machines

      • Conventional cylindrical grinding machines

      • The S20 and S30 conventional cylindrical grinding machines, which are electric or hydraulically controlled, represent a precise and easy way to grind small to medium sized workpieces. Features like rapid infeed, grinding feed, spark-out, rapid retraction of the handwheel to the preset grinding allowance, plus cycles for plunge and traverse grinding are included in the basic equipment.

          • S20

          • The Compact for small precision components.

            The S20 is a universal cylindrical grinding machine with electromechanical drives for the production of small workpieces. It has a distance between centres of 400mm (15.75") / 650mm (25.6") and a centre height of 100mm (3.94"). It can machine workpieces with a maximum weight of 20kg (44lbs).

            The universal cylindrical grinding machine is designed for the grinding of workpieces in single-component or small series production runs. It is suitable for use in any industry where precise small components are manufactured. This simple and very reasonably priced machine has a tried-and-tested SPS control unit. It is easy to operate and the machine can be reset very quickly.

          • S30

          • The Classical for medium-sized precision components.

            The S30 is a cylindrical grinding machine for medium-sized workpieces in individual and small batch production. It has distances between centres of 650mm (25.6") / 1000mm (40") and centre heights of 125mm (4.9") / 175mm (6.9") / 225mm (8.8"). It can machine workpieces with a maximum weight of 130kg (286lbs).

            It is suitable for any sector in which medium-sized components are produced. This simple, reasonably priced machine has a tried-and-tested hydraulic infeed system. It is easy to operate and the machine can be reset very quickly. The Granitan® S103 machine bed provides the basis for the fitting of technologically outstanding components to form a cylindrical grinding machine guaranteeing the highest possible precision, performance and reliability for many years.

        • CNC Universal external cylindrical grinding machines

        • From the entry level machine for the most important applications to the all-rounder for complex grinding tasks. Small to large workpieces for individual, small and large-scale production. You have the choice between five universal cylindrical grinding machines with center distances of 400mm (15.7"), 650mm (25.6"), 1000mm (40") and 1600mm (63") and a center height of 175mm (6.9").

            • S41

            • The Allrounder for complex grinding jobs

              The S41 is a CNC universal cylindrical grinding machine for large workpieces. It has distances between centres of 1000mm (40") / 1600mm (63") and centre heights of 225mm (8.8") / 275mm (10.8"). It can machine workpieces with a maximum weight of 250kg (550lbs).

              The S41 is a CNC universal cylindrical grinding machine of the latest generation. It boasts many technical features, such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear motors, extremely fast direct drive of the B-axis, an even larger selection of wheelhead variants etc.

            • S23

            • The universal solution for every production.

              Offering excellent value, it is the ideal choice – equally suited to flexible one-off production in small workshops and efficient high-volume production in large-scale operations. Compact in design, versatile in use, and intuitive to operate – the S23 universal cylindrical grinding machine impresses with outstanding precision and maximum productivity.

            • S31

            • The Versatile for big tasks.

              The S31 is a cylindrical grinding machine for small to large workpieces in single, small and large series production. It has a distance between centres of 400mm (15.7") / 650mm (25.6") / 1,000mm (40") / 1,600mm (63") and a centre height of 175mm (6.9"). It can machine workpieces with a maximum weight of 150kg (330lbs).

              Thanks to the upgradeable modular system, the S31 can be adapted to match your precise requirements. The swiveling wheelhead allows you to externally, internally and face grind workpieces in a single clamping – with a high-resolution B-axis of 0.00005°. Its foundation is a machine base made of solid Granitan® S103.

            • S33

            • The reasonably priced for individual requirements

              The S33 is a CNC universal cylindrical grinding machine for the individual and batch production of medium-sized workpieces. It has a distance between centres of 400mm (15.7") / 650mm (25.6") / 1,000mm (40") / 1,600mm (63") and a centre height of 175mm (6.9"). It can machine workpieces with a maximum weight of 150kg (330lbs).

              Changing over from grinding between centres to live spindle grinding is particularly easy on this machine. The new wheelhead with two motor spindles enables grinding of even more complex workpiece geometries in a single clamping. Its foundation is a machine base made of solid Granitan® S103.

            • favoritCNC

            • The price hit for a large range of applications.

              The top performer in terms of value for money stands for many years of precision. The favoritCNC with 650 (25.6”) or 1000 mm (39.4”) distance between centers for universal use is easy and quick to program thanks to StuderPictogramming. Due to various options such as a measuring system, balancing system, contact detection, and longitudinal positioning, the machine can be easily adapted to other grinding tasks. The favoritCNC has a center height of 175 mm (6.9”) and can machine workpieces with a maximum weight of 80 (176.4 lbs) / 120 kg (264.6 lbs). 

            • favorit

            • The Simplified for complex demands.

              The favorit is a CNC universal cylindrical grinding machine for the individual and batch production of short to long-sized workpieces. It has a distance between centres of 400mm (15.7") / 650mm (25.6") / 1,000mm (40") / 1,600mm (63") and a centre height of 175mm (6.9"). It can machine workpieces with a maximum weight of 150kg (330lbs).

              The cylindrical grinding machine can be used in universal applications, and thanks to StuderPictogramming it is easy and quick to program. Your Granitan® S103 mineral-casting machine base largely offsets short-term temperature fluctuations. It can subsequently be easily adapted to other grinding tasks using various accessory kits such as in-process gauging, balancing system, contact detection and length positioning.

          • CNC external cylindrical production grinding machines

          • The S11 grinds small workpieces highly productive with a grinding wheel diameter of 500mm (20") on a floor space of just 1.8 m2 (19.4 sqft). The S22 production platform can be ideally integrated into your production line. Both machines work with high speed grinding (HSG) up to 140m/s (27,600 sfpm). They also use the OPC UA interface to ensure secure networking. The S36 was in part designed to respond to increasing demand for e-mobility production solutions.

              • S11

              • The super-productive machine for small workpieces.

                The S11 is a production cylindrical grinding machine for small workpieces. It has a distance between centres of 200mm (7.9") and a centre height of 125mm (4.9"). It can machine workpieces with a maximum weight of 3kg (6.6lbs).

                The production cylindrical grinding machine can be precisely tailored to the desired process. Highly dynamic axis drives, high-quality STUDER guideway systems, short reaction times and optimized traverses form the basis of the S11. The high-speed grinding option (HSG) contributes to increasing productivity with its peripheral speed of up to 140m/s (27,600 sfpm). With a floorspace requirement of less than 1.8m2 (19.4sqft), it is extremely compact and will fit in any workshop.

              • S36

              • The Efficient for the highest tolerances.

                The S36 was in part designed to respond to increasing demand for e-mobility production solutions. The machine has a grinding wheel with a diameter of 610 mm (24") and width of 125 mm (4.92") for grinding current and future workpieces in this sector both economically and efficiently. Grinding wheel power of 15 kW (20 HP) and the large grinding wheel enable efficient and safe machining of automotive and hydraulic components in one clamping process with maximum precision.

              • S22

              • The production platform for your individual grinding solution

                The S22 is a production platform for the mass production of medium-sized workpieces. It has distances between centres of 800 mm (31.5") and centre heights of 175mm (6.9") / 225mm (8.8"). It can machine workpieces with a maximum weight of 150kg (330lbs).

                The S22 with its extensive expansion options can be configured for every grinding application to be the perfect production machine. Highly dynamic axis drives, high-quality STUDER guideway systems, short reaction times and optimized traverses form the basis of the S22. The high-speed grinding option (HSG) contributes to increasing productivity with its peripheral speed of up to 140m/s (27,600 sfpm).

            • Automation

            • Grinding requires smart Automation

              Faster, more accurate, and more cost-efficient machining is only one of the advantages of automating grinding processes. Factors such as a higher safety for the operators and their health also play a large role. STUDER is therefore one of the technology leaders in this field.

                • insertLoad

                • The automation solution for universal external cylindrical grinding machines

                  For the machine types, S31 and S33  with center distances 400 mm, 650 mm and 1000 mm, an automation solution based on a robot cell is offered. The loading system is suitable for chuck parts up to 100 mm (3.94”) and shaft parts up to 300 mm (11.8”) and a part diameter of max. 100 mm (3.94”) and is thus particularly suitable for small to medium-sized workpieces. The parts are supplied via a standardized drawer system. The enclosure for the basic module, which is provided with a loading hatch as standard, has been adapted to match the machine

                   

                • uniLoad

                • The automation solution for universal external cylindrical grinding machines

                  For machine types S31 and S33 with center distances of 650 mm (25.6") and 1000 mm (39.4"), a loading solution based on a linear portal cell with two parallel grippers is offered. The loading system is suitable for shafts up to a part length of 650 mm (25.6"), a part diameter of max. 260 mm (10.2"), and for chuck parts up to a part length of 100 mm (3.94") and a part diameter of max. 100 mm (3.94"). The loading system thus covers a large spectrum of the parts manufactured on these machines. Parts are supplied via a standardized pallet system. The base module’s enclosure, which is adapted to the machine design and equipped with a loading hatch as standard, allows for safe and clean operation of the system.

                • roboLoad

                • The automation solution for radius internal cylindrical grinding machines

                  For the radius internal cylindrical grinding machines, STUDER has developed a specifi c loader solution for this market segment based on a robot cell. The loader system is suitable for chuck components up to a part length of 100 mm (3.93") and a part diameter of max. 260 mm (10.24"), and thus covers a large portion of the component ranges produced on these machines. The parts are supplied via a standardized, adjustable grid rack system.
                  The housing for the base module, which is provided with a loading hatch as standard, has been adapted to suit the machine design and enables safe and clean operation of the system.

                • ecoLoad

                • The automation solution for production cylindrical grinding machines

                  The new integrated ecoLoad handling concept for workpieces up to dia. 50mm and 250mm in length fulfills all requirements with respect to efficiency, quality and compact design.
                  Two different periphies are available:
                  1. Revolver magazine concept with swivel gripper
                  2. Prisma shuttle with V-gripper (this version can also be used as an interface for alternative freestanding loader concepts).

                • easyLoad

                • The automation solution for external and universal cylindrical grinding machines

                  For machine types S31, S33, S22 and S41 a loader solution is offered on the basis of a portal loader system with V-gripper. The loader system is suitable for shaft components up to a part length of 300 mm and a grip diameter of 4 to 30 mm (max. interfering contour - dia. 50 mm); it therefore covers the majority of the spectrum of parts produced on these machines. The parts are supplied via a standardized, adjustable synchronized conveyor. The housing for the base module, which has been adapted to suit the machine design, enables safe and clean operation of the system.

                • smartLoad

                • The automation solution external cylindrical production grinding machines

                  The smartLoad is an integrated loader which picks up the parts outside the machine, loads them into the clamping system and deposits them outside the machine again. This function can be combined with different peripheral systems and offers a wide range of possible applications. Individual transfers, small series with a wide variety of parts and large series are possible. The peripheral system is either delivered by STUDER as a standard solution or provided by the customer. The movement of the smartLoad is path-controlled, which simplifies its control. Its strengths are its compactness, its quick and easy installation as well as simple operation. The smartLoad is available in two standard versions with different stroke lengths. The grippers can be customized to meet the customer's requirements.

                   

              • Combination

                  • For rational hard/fine machining STUDER offers a combination machine for an optimized processing.

                        • S242

                        • The Flexible Machine for grinding and turning operations.

                          The S242 combined machine tool ideally combines the technologies of cylindrical grinding and hard turning. Thanks to its design concept, it can easily cope with both processes. Consequently, it enables highly efficient hard fine machining of shafts and chucking components with a high manufacturing quality, production reliability and the desired surface quality in a single clamping. It is interesting not only for high-volume production but also for small batch sizes and single parts.

                          • Distance between centres 400/800/1000 mm
                          • Swing diameter 180 mm
                          • Synchronous tailstock with selectable axial clamping pressure for workpiece drive definable for each workpiece in the workpiece program
                          • Multiple in-process gauging. Indivudual workpiece positions and diameters are stored in the workpiece program.
                          • Machine bed with inclined design (machining plane 45°) made from GRANITAN®
                          • Standardized interfaces for loader and peripheral devices
                          • Automated part handling system (option)
                          • Easy programming thanks to StuderWIN
                          • Full enclosure with sliding door
                          • The modular kit system enables customer-specific designs
                          • Large range of accessories

                    • CNC Universal internal cylindrical grinding machines

                    • CNC Universal internal cylindrical grinding machines

                      The right machine for every need. The affordable and universal S121 is used for medium-sized workpieces in individual and small series manufacturing. The S131, S141 and S151 are designed for any internal cylindrical grinding. They are used where very high precision and efficiency are required – for example, Flange parts, spindle shafts, spindle housings, rotor shafts, bushes and much more.

                        • S100

                        • The ergonomic machine for the entry-level segment.

                          The S100 CNC universal internal cylindrical grinding machine offers the proven STUDER quality and highest precision in standard internal cylindrical grinding operations at an excellent price-performance ratio. It covers the wide range of internal, surface and external grinding applications. This makes it the ideal universal internal cylindrical grinding machine for the entry-level segment.

                          It has a workpiece length including clamping device of max. 550mm (21.65") and a workpiece diameter of max. 420 mm (16.53"). Many suitable workpieces can be found in the compressor, hydraulic, machine tool, aerospace and tooling industries.

                        • S151

                        • The universal machines for a broad range of internal cylindrical grinding applications.

                          The S151 is a CNC universal internal cylindrical grinding machine of the latest generation. It is available in two sizes, for workpiece lengths (including clamping device) up to 700mm (27.5") or 1300mm (51.2"). The swing diameter above the workpiece table is 550mm (21.6").

                          It is primarily used for machining large spindle shafts, spindle housings, rotor shafts or large flange parts. The S151 has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear motors, extremely fast direct drive of the grinding spindle turret, automatic swiveling of the workpiece table etc.

                      • CNC Production internal cylindrical grinding machines

                      • The S110 is a very flexible internal cylindrical grinding machine for machining medium-sized workpieces. S122 specializes in small bores and has a swing diameter of 220mm (8.6"). Both types can handle up to three grinding spindles in a parallel arrangement, which allows external and internal grinding in one clamping.

                          • S110

                          • The practical machine for your specific grinding solution.

                            The S110 is a very flexible internal cylindrical grinding machine for machining medium-sized workpieces. The machine has a centre height of 102mm (4") and a grinding length of max. 120mm (4.7").

                            Up to three linearly arranged grinding spindles enable external and internal grinding in a single clamping. S110 is the ideal machine for chuck applications for individual components up to small-batch production. A cost-effective solution for high-precision automated grinding can be achieved with the optional, fully integrated automatic loading and unloading system.

                          • S122

                          • The highly productive machine for small bores.

                            The S122 is a CNC production internal cylindrical grinding machine for small to medium-sized workpieces in small and large-scale production. The machine has a swing diameter of 220mm (8.6").

                            The CNC production internal cylindrical grinding Machine can machine workpieces up to a length of 120mm (4.7"). The grinding length is maximum 110mm (4.3"). Up to three grinding spindles can be used in a parallel arrangement. One of these can take an external grinding wheel. The basis for the machine's legendary precision is the Granitan® machine bed and the StuderGuide® guide system for the X- and Z-axis.

                        • CNC radius internal cylindrical grinding machines

                        • The S121, S131 and S141 are experts for high-precision internal cylindrical grinding of radii, spheres, tapers and diameters. Their main application areas are the production of drawing-dies made of carbide and ceramic, and the production of hydraulic components. Complex workpieces of industrial ceramic, sapphire and tungsten carbide for the manufacture of human implants are also within their scope.

                            • S121 RADIUS

                            • The experts in internal and radius grinding.

                              The S121 is a radius internal cylindrical grinding machine. It is the ideal machine for internal, face and external grinding of chuck components. The maximum swing diameter is 300mm (11.8") and the maximum workpiece weight is 100kg (220lbs).

                              The radius internal cylindrical grinding machine is especially suitable for grinding complex workpieces from very hard materials such as tungsten carbide, ceramics and sapphire as well as for general grinding tasks. It has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear

                            • S131 RADIUS

                            • The experts in internal and radius grinding.

                              The S131 is a radius internal cylindrical grinding machine that is especially suitable for grinding complex workpieces from very hard materials The maximum swing diameter is 300mm (11.7") and the maximum workpiece weight is 100kg (220lbs).

                              The machine is ideal for the manufacture of drawing dies, especially in the packaging industry, where tungsten carbide and ceramics are primarily processed. The machine has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear motors, a fully automatic B-axis with direct drive, etc.

                            • S141 Radius

                            • The expert for internal and radius grinding.

                              The S141 is a radius internal cylindrical grinding machine that is especially suitable for grinding complex workpieces from very hard materials The maximum swing diameter is 400mm (15.7") and the maximum workpiece weight is 100kg (220lbs).

                              The machine is ideal for the manufacture of drawing dies, especially in the packaging industry, where tungsten carbide and ceramics are primarily processed. The machine has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear motors, a fully automatic B-axis with direct drive, etc.

                          • Software / Options

                              • WireDress®

                              • WireDress® allows completely new possibilities in grinding with metal bonded CBN and Diamond wheels: Not only does the electro erosive integrated dressing technology save massive downtime, it also enables sintered metal bonds to be dressed with the highest precision in the grinding machine at full wheel speed.

                              • BluePlus

                              • As global energy demands are constantly increasing, it is imperative that the available energy is used more efficiently and effectively. Energy efficiency has therefore also become an important topic in the machine tool industry. Fritz Studer AG has gone a step further and created its own BluePlus label.

                              • Used grinders

                              • Used and in good condition! Here you may find a used cylindrical grinding machine or a demonstration model that fits your needs perfectly and has in addition to that, an attractive price?