Lot 301: Studer S31 CNC Universal Cylindrical Grinder (2013). Studer grinder
Lot 301: Studer S31 CNC Universal Cylindrical Grinder (2013)
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Item description
Studer S31 CNC Universal Cylindrical Grinder (2013) with Fanuc Series 31i. Model A Control/StuderWIN Interface, Centre Distance 1000mm, Centre Height 175mm, T3 Universal Swivelling Turret Wheelhead with Fischer MFM 24000. 42000 RPM Internal Grinding Spindle, Hydraulic Swivelling Dressing Device, Form/Thread Grinding Cycles, PCU Terminal, Marposs P7ME In-Process Gauging Interface, MPM BMT230m Balancing Unit, Fischer 16,000min-1 Dressing Spindle, MT3 Taper Tailstock, Studer Quick-Set/Technology/FormHSM/Thread Integrated, Cooling Filtration, Losma Air Filtration Unit, Machine Hours: 18368. S/No. 1030-0760/191. Country of Origin: Switzerland
Please Note: This lot is located in Portland, UK. Unfortunately there are no loading facilities onsite. Dismantling and loading will be at the cost of the purchaser. All/Any tooling is being offered as specifically described.
Due to export license restrictions imposed by HMRC of multi-axis CNC Machine Tools from the UK to Turkey, we regrettably advise that we cannot accept bids on such items from buyers in Turkey. We apologise for any inconvenience caused.
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Studer CT550
With the recent addition of the Studer CT internal cylindrical grinding machine series, United Grinding has substantially increased their ID grinding capabilities. In the area of internal grinding of chucking components, the Studer CT550 sets new standards. Higher precision, better surface quality, high metal removal rates, in addressing these requirements, UGT has again set the standard with its new CT550 CNC internal/universal cylindrical grinder. It works more quickly and precisely, offers a broader range of applications, with production options that are highly attractive with regard to cost-effectiveness. By saving on auxiliary times, the CT550 considerably shortens the cycle times of the grinding process.
The CT550 is a compact machine for medium-sized workpieces with up to three inline grinding spindles. The modular and flexible arrangement of spindles enables optimal dimensioning of the machine, ranging from the manufacture of individual parts as well as large-scale production. This machine also supports integrated and autonomous loading system
The Granitan S103 machine bed provides a very solid, rigid and thermally stable CT550. The formula of this mineral casting is designed for optimal grinding operation conditions. Thus, the machine bed literally provides the integrated guide system with a stable basis for absorbing the high forces that occur during grinding.
Thanks to its remarkable thermal behavior, the machine bed largely equalizes brief variations in temperature, so that the machine operates with consistently high precision even with changing ambient temperatures. Its high rigidity and excellent damping provide the basic prerequisites for outstanding surface quality of ground parts and long grinding wheel lifetimes.
Studer’s CT550 is ideal for small- to medium-sized internal cylindrical grinding applications such as die plates, spring collets, tool holding fixtures, hydraulic components, and thread ring gauges composed of hard materials like tool steel, carbide, ceramics and glass.
Three inline modular spindles provide flexibility and optimal dimensioning to the machine. The diameter of the HF (high frequency) spindle ranges form 80mm to 120mm. The belt-driven spindle diameter is 80mm. External grinding wheel is 305mm. Axes travels are 520mm X and 250mm. The manual B-axis setting angle is 1ÌÜÅÁ/-1ÌÜÅÁ. Workhead speed is 1200 rpm, maximum. Load on the spindle nose, 100 kg. Center height above the table is 1500mm. Maximum part length, 650mm, while the grinding length is 150mm. Control: the intuitive, easy to use Fanuc 310i-A.
ceramics
Cutting tool materials based on aluminum oxide and silicon nitride. Ceramic tools can withstand higher cutting speeds than cemented carbide tools when machining hardened steels, cast irons and high-temperature alloys.
computer numerical control ( CNC)
Microprocessor-based controller dedicated to a machine tool that permits the creation or modification of parts. Programmed numerical control activates the machine’s servos and spindle drives and controls the various machining operations. See DNC, direct numerical control; NC, numerical control.
cylindrical grinding
Grinding operation in which the workpiece is rotated around a fixed axis while the grinding wheel is fed into the outside surface in controlled relation to the axis of rotation. The workpiece is usually cylindrical, but it may be tapered or curvilinear in profile. See centerless grinding; grinding.
grinding
Machining operation in which material is removed from the workpiece by a powered abrasive wheel, stone, belt, paste, sheet, compound, slurry, etc. Takes various forms: surface grinding (creates flat and/or squared surfaces); cylindrical grinding (for external cylindrical and tapered shapes, fillets, undercuts, etc.); centerless grinding; chamfering; thread and form grinding; tool and cutter grinding; offhand grinding; lapping and polishing (grinding with extremely fine grits to create ultrasmooth surfaces); honing; and disc grinding.
grinding machine
Powers a grinding wheel or other abrasive tool for the purpose of removing metal and finishing workpieces to close tolerances. Provides smooth, square, parallel and accurate workpiece surfaces. When ultrasmooth surfaces and finishes on the order of microns are required, lapping and honing machines (precision grinders that run abrasives with extremely fine, uniform grits) are used. In its “finishing” role, the grinder is perhaps the most widely used machine tool. Various styles are available: bench and pedestal grinders for sharpening lathe bits and drills; surface grinders for producing square, parallel, smooth and accurate parts; cylindrical and centerless grinders; center-hole grinders; form grinders; facemill and endmill grinders; gear-cutting grinders; jig grinders; abrasive belt (backstand, swing-frame, belt-roll) grinders; tool and cutter grinders for sharpening and resharpening cutting tools; carbide grinders; hand-held die grinders; and abrasive cutoff saws.
grinding wheel
Wheel formed from abrasive material mixed in a suitable matrix. Takes a variety of shapes but falls into two basic categories: one that cuts on its periphery, as in reciprocating grinding, and one that cuts on its side or face, as in tool and cutter grinding.
Studer Expands Universal Cylindrical Grinder Series
Studer introduces new features to its external universal cylindrical grinding machines S33 and S31, which now provide additional distances between centers.
Studer CSO Sandro Bottazzo unveiled the company’s new universal external grinding machines S33 and S31 in the Hagerbach Test Gallery, an RD facility for underground mining tunnel construction in Switzerland.
One of the main features of the S31 and S33’s updated versions is the extended range of distances between centers. Both, the S31, which is designed for grinding workpieces in individual, small-batch and high-volume production, and the S33, which is designed for medium-sized workpieces, are now available with distance between centers of 400 and 1,600 mm, respectively, complementing the existing 650- and 1,000-mm sizes.
The S31’s double T-slot of the Z axis for dressing tools in combination with the Studer Quick-Set software for grinding-wheel alignment reduces the complexity of setup and machine resetting.
The S33’s new wheelhead can be equipped with a motor spindle for external grinding and a high-frequency spindle for internal grinding in different configurations.
Ready for dinner: Located in the canton of Graubünden in Switzerland, the Hagerbach Test Gallery, an RD facility for underground mining tunnel construction, played host to the Studer Press Event 2019 attended by more than 60 trade journalists from around the globe.
Studer Press Event 2019 in Arosa, Switzerland: Imposing white mountains, romantic snow covered forests, ski runs as far as the eye can see—this winter sports scenery is incredibly impressive over and over again.
Studer Press Event 2019 in Arosa: Not every participant was equipped with the right winter gear to walk to the dinner location in the snowy mountains.
Safety first: Gardner’s European delegation Eddie Kania and Barbara Schulz went to the Swiss mountains to experience Studer’s new machines firsthand.
Read Next
With 100 years of experience, Studer is a well-known brand in precision cylindrical grinding. The company has also carved a reputation for choosing the most distinctive locations to introduce the latest developments in cylindrical grinding technology. This year’s location was no exception—the Hagerbach Test Gallery, an RD facility for underground mining tunnel construction located in the canton of Graubünden in Switzerland, played host to the Studer Press Event 2019. This event was attended by more than 60 trade journalists from around the globe.
The highlight of the event was the unveiling of the S33 and S31 universal cylindrical grinding machines, which are available in the states from United Grinding. The machines feature an extended range of distances between centers, more than 20 wheelhead configurations, a new B-axis concept and much more. A dark atmosphere, loud music and participants in glowing yellow safety helmets underpinned the underground atmosphere during the unveiling ceremony, which was followed by presentations highlighting the machine series’ new features.
Featured Content
One of the main features of the S31 and S33’s updated versions is the extended range of distances between centers. Both the S31, designed for grinding workpieces in individual, small-batch and high-volume production, and the S33, designed for medium-sized workpieces, are now available with distance between centers of 400 and 1,600 mm, respectively, complementing the existing 650- and 1,000-mm sizes.
Based on the Studer T-slide concept, the machines are available with an extended X-axis stroke. With a stroke of 370 mm (more than 85 mm compared to the current models) it enables additional wheelhead variants. The S33’s new wheelhead can be equipped with a motor spindle for external grinding and a high-frequency spindle for internal grinding in different configurations. Three grinding wheels ensure that the workpiece is machined even more individually and quickly, CSO Sandro Bottazzo explained during the presentation. The new B-axis concept features an automatic 1-degree Hirth coupling with a swivel range of.30 degrees to 210 degrees for as many as two outer diameter (OD) grinding wheels and one inner diameter (ID) grinding spindle for complex tasks. A fixed wheelhead enables swivel positions of 0, 15 and 30 degrees, offering additional flexibility for straight and angular plunge grinding in one machine. The maximum workpiece weight is 150 kg.
The double T-slot of the Z axis for dressing tools in combination with the Studer Quick-Set software for grinding wheel alignment reduces the complexity of setup and machine resetting, Mr. Bottazzo said. over, the Granitan machine base features a new temperature-control concept to improve machine stability and accuracy. An integrated temperature control keeps the machine temperature constant, and a cooling tray flushing keeps the machine clean. A column temperature control is designed to ensure additional thermal stability.
The S31 features StuderGuide guideways with a damping component in the direction of movement. The guideway system uses the advantages of hydrostatic and hydrodynamic guide systems and avoids the slip-stick effect or floating of the slide. As an option, the B axis can be equipped with a direct drive with a resolution of 0.00005 degree. The wheelhead can accommodate as many as three grinding wheels—a combination of external and internal grinding wheels, with a maximum of two external or two internal grinding spindles. For high-precision form grinding with the FANUC 31i-B control system, the S31 features a workhead with a direct measuring system and the StuderFormHSM software program.
Studer grinding machines
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. Hardware: Cross slide with wheelhead for external.
cylindrical grinding machine S30
Spindle speed: 0 rpm. 2,110 rpmPower: 0 kW. 6 kWDistance between centers: 1,000, 650 mm
Control cabinet connected to the machine. Can be expanded to include in-process gauging and Sensitron Granitan S103 mineral casting machine base Automatic grinding.
external cylindrical grinding machine favoritCNC
Spindle speed: 0 rpm. 2,810 rpmPower: 9 kWDistance between centers: 1,000, 650 mm
adapted to other grinding tasks using various accessory kits such as in-process gauging, balancing system, contact detection and length positioning. The solid Granitan S103 machine base forms the basis.
external cylindrical grinding machine favorit
Spindle speed: 0 rpm. 3,200 rpmPower: 0 kW. 8 kWDistance between centers: 400, 650, 1,000, 1,600 mm
internal grinding attachment. Automatic swiveling with 3° Hirth serration. External wheelhead with grinding wheel on right, 0° / 15° / 30° External and internal grinding possible.
external cylindrical grinding machine S33
Spindle speed: 0 rpm. 3,200 rpmPower: 0 kW. 8 kWDistance between centers: 400, 650, 1,000, 1,600 mm
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.
external cylindrical grinding machine S31
Spindle speed: 0 rpm. 3,200 rpmPower: 0 kW. 11.5 kWDistance between centers: 1,600, 1,000, 650, 400 mm
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″).
large workpiece grinding machine S41
Spindle speed: 0 rpm. 4,500 rpmPower: 0 kW. 15 kWDistance between centers: 1,600, 1,000 mm
drive and 0.00005°resolution Complete machining with up to four grinding wheels C-axis for the workhead for form and thread grinding Full enclosure with two sliding doors Granitan
external cylindrical grinding machine S11
Spindle speed: 0 rpm. 3,200 rpmPower: 0 kW. 5 kWDistance between centers: 200 mm
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.
external cylindrical grinding machine S22
Spindle speed: 0 rpm. 3,200 rpmPower: 0 kW. 15 kWX travel: 0 mm. 310 mm
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.
external cylindrical grinding machine S36
Spindle speed: 1,500 rpmPower: 15 kWDistance between centers: 650 mm
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
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