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Studer S151

Studer S151 Universal Cylindrical Grinding Machine New Page 1 Studer S151 Studer S151 --> The S151 is a powerful, compactly designed machine whose wide working range facilitates internal and external grinding operations up to a diameter of 300 mm. The large accommodating capacity of the sturdy workhead and the double spindle turret open up wide areas of application, making the machine suitable for complete machining in one setup. Features: Slide with spindle holder for 1 or 2 grinding spindles Swivel beam with swivelling range of -5/+30 deg Frequency-controlled grinding spindle for external and internal grinding Cross-slide concept for universal applications Full enclosure with 1 sliding door Standardised interface for loader and peripheral devices Extensive range of accessories Specifications: Center Height 7" Workpiece weight 220 lbs. Number of grinding spindles 2 Spindle Speed (rpm) up to 51,000 OD Grinding wheel dimensions 10 x 1" (16 x 1.28") Studer S151cnc Internal Cylindrical Grinder with OD Grinding Spindle The S151cnc Tackles Short Runs, Mixed Lots Modular design for quick setup and changeover, state-of-the-art digital control and drive systems and user-friendly step-by-step programming make the S151cnc a flexible solution to a wide variety of internal and external cylindrical grinding applications in a single clamping. Swing diameter is 350 mm. Between-centers grinding length is 200 mm. Chuck capacity (including tooling) is 150 kg. The turret head arrangement presents two grinding spindles for rough and finish grinding in the same set-up. The two spindles have independent, programmable drive systems to fully optimize the grinding process. Spindle configuration is ID/ID or a combination ID/OD for universal applications, which allows for OD and ID grinding in one set-up. Maximum spindle diameter is 170 mm. ID spindle speed range is 24 rpm to 51,000 rpm. OD spindle speed is 6,000 rpm. The universal turret wheelhead has a serrated 1 degree resolution Hirth ring coupling providing extreme accuracy and repeatability. S151cnc overview Digital direct-drive, three-phase servomotors with prestressed, precision ballscrews power the X- and Z-axes. Cross slide X-axis travel is 350 mm at speeds ranging to 25 m/min. Linear resolution is 0.0001 mm. Z-axis slide travel is 530 mm. Speed and linear resolution are respectively 25 m/min and 0.0001 mm. V and flat guideways are coated with abrasion-proof Granitan S200 and provide high vibration dampening and superior rigidity. Patented pre-loaded precision roller bearing guideway provides wear-free, stick-free movement and high-precision accruacy. The cast iron machine base delivers outstanding vibration dampening, rigidity and strength, as well as excellent chemical stability and thermal compensation. Dressing Wheel dressing intervals may be made by the operator following these simple methods: by pressing a pushbutton at any time during any grinding cycle; after a programmed number of specific machined parts or grinding operations; at programmed switchover points; at the programmed nominal size; after a specific number of strokes - or a combination of these, permitting the optimum solution for the specific grinding application. Grinding wheel reference points are referred to as "T" numbers, and together with Studer grinding cycles, "T" numbers permit programming with nominal size. The actual value indication on the control LCD refers in each case to the programmed wheel reference point. Values of the grinding wheel shape are entered in a dressing dialog display at the control. Control & programming The S151cnc features state-of-the-art Fanuc 16i digital control and axis drive components. Machine operation, setup, changeover, dressing and programming of even complex parts are easily accomplished through the innovative, step-by-step Studer Pictogramming which allows operators simply to connect grinding cycles to one another and add necessary numerical values. The control then generates the machine program automatically. Advanced manual programming in G code is of course also possible. Programming is done directly at the machine or off-line and then downloaded to the machine control. Process parameters can be changed on the fly, while the machine runs, without affecting the workpiece program. The S151cnc control package features proven application-specific Studer grinding cycles for diameters, shoulders (left and right), tapers (negative and positive), contours, forms and threads. Visit Grinding.com

High-performance universal internal cylindrical grinder
Machine Operation: CNC
Grinder Type: Cylindrical-ID
CNC Model: Fanuc 21i-TB
Workpiece Envelope
Grinding Length: 7.870" 199.900mm
Grinding Depth: 7.870" 199.900mm
ID Max Grinding Diameter(s): 11.800" 299.720mm
Grinding Wheel And Spindle
Grinding Wheel:
Grinding Wheel Diameter: 10.000" 254.000mm
Grinding Wheel Diameter Opt: 16.000" 406.400mm
Grinding Wheel Width: 1.000" 25.400mm
Grinding Wheel Width Opt: 16.000" 32.510mm
Wheel Head:
Angle Adjustment: 3.000°
RPM: 51,000
RPM Opt: 120,000
Axes Specifications
Longitudinal: 14.200" 360.680mm
Cross: 20.870" 530.000mm
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