S121 / S131 / S141
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A member of the UNITED GRINDING Group S121 / S131 / S141 The experts in internal and radius grinding. Key data The S121/S131/S141 are radius internal cylindrical grinding machines in a class of their own. With the ability to choose from different fit-out standards and sizes, the right machine can be configured for any application. The maximum swing diameter is 400 mm and the maximum workpiece weight is 10

TECHNOLOGY LEADER CUSTOMER FOCUS SOPHISTICATED PROCESSES The Art of Grinding. TECHNOLOGY LEADER EFFICIENCY CUSTOMER FOCUS SOPHISTICATED PROCESSES Fritz Studer AG The name STUDER stands for more than 100 years of experience in the development and production of precision cylindrical grinding machines. “The Art of Grinding.” is our passion, highest precision is our aim and top Swiss quality is our benchmark. Our product line includes both standard machines, as well as complex system solutions in high-precision cylindrical grinding for machining small and medium-sized workpieces. In addition we...

Differing in size and complexity, but essentially the same: The experts in high-precision internal cylindrical grinding of radii, spheres, balls, cones and diameters. The incomparable STUDER precision is based on the Granitan® machine bed and StuderGuide® guideway system. During the development of the machine the highest attention was given to the ergonomics, be it in connection with grinding, the machine set-up or with the maintenance of the m

• Swing diameter over table 300 mm • Maximum workpiece weight 100 kg • StuderGuide® guide system with linear drive • Fully automatic B-axis with direct drive with a swiveling range of -20 to +91 deg • Spindle turret with two grinding spindles or one fixed spindle or two spindles in parallel • C-axis for the workhead enabling form and thread grinding • Full enclosure with two sliding doors

Simple to use and program thanks to HMI StuderSim StuderSIM programming and simulation software for the creation and simulation of grinding and dressing programs on the machine control or on an external PC Standardized interfaces for loader and peripheral devices The S121 radius internal cylindrical grinding machine has an exceptional price/performance ratio and is the ideal machine for internal, face and external grinding of chuck components. It has a host of sophisticated technical features such as the revolutionary StuderGuide® guideway system, high-precision axis drives with linear...

Swing diameter over table S131: dia. 300 mm S141: dia. 400 mm Maximum workpiece weight 100 kg StuderGuide® guide system with linear drive Fully automatic B-axis with direct drive with a swiveling range of -60 to +91 deg Spindle turret with up to four grinding spindles C-axis for the workhead enabling form and thread grinding Full enclosure with two sl

Simple to use and program thanks to HMI StuderSim StuderSIM programming and simulation software for the creation and simulation of grinding and dressing programs on the machine control or on an external PC Standardized interfaces for loader and peripheral devices The S131/S141 are radius internal cylindrical grinding machines of the latest generation. They have 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. It can be configured for any...

Granitan® S103 mineral casting machine bed 1 • Vibration damping Cast iron machine base • Thermally stable • Non-wearing 1 Machine bed with longitudinal guides 2 Vibration behavior of gray cast iron and Granitan® S103 The material structure developed by STUDER and which has proved its superb efficiency over many years is produced in the company's own plant using the most modern industrial techniques. The excellent vibration dampening behavior of the machine base ensures outstanding surface quality of the ground workpieces. The service life of the grinding wheel is also increased, leading to...

StuderGuide® in the longitudinal and transverse axis 1 • High geometrical traversing accuracy • Effective covering of the guideways 1 Machine bed with longitudinal and cross slides 2 Z-axis with linear motor The StuderGuide® guide system for the X and Z axis is coated with Granitan® S200 wear-resistant guideway surfacing material and offers the highest possible accuracy through the entire speed range with high load capacity and cushioning levels. StuderGuide® extends the benefits of hydrostatic systems and guideways with a patented surface structure. A big advantage of StuderGuide® in...

Grinding spindle turret 1 • Large selection of grinding spindles • External grinding wheel changed in just a few movements 1 – 4 Grinding spindle turret The spindle turret of the S131/S141 with integrated swivel axis enables the use of up to four grinding spindles (including a maximum of two external grinding spindles) and a universally usable measuring probe. The swivel axis has a direct drive which enables very quick and precise positioning. The high-resolution direct measuring system guarantees a positioning range of <1". This allows complete machining of workpieces in the same clamping...

The high-precision workhead is equipped with special bearings and guarantees the highest roundness accuracy. The A4/MT5 spindle nose complies with the DIN/ISO 702-1 standard. The airlift simplifies adjustment when setting up or resetting the workhead. A high-precision C axis, with direct measuring system on the workhead spindle, is available for form and thread grinding. • High roundness accuracy • Low-maintenance • Air lift The automatic B-axis with a swiveling range of -60 to +91 deg has a direct drive, which enables very quick and precise positioning. This enables extremely precise...

• Configurable according to client's requirements • Rotating or stationary dressing tools can be used An easy-cutting grinding wheel is essential for cost-effective and high-quality grinding. Studer offers a large selection of dressing units, to allow an optimal and flexible adaption of the dressing process to the specific material, dressing tool and workpiece properties. In addition to fixed dressing units, dressing spindles can be mounted for rotary dressing tools. The latter are especially suitable for dressing ceramic bonded CBN grinding wheels. In combination with the acoustic touch...