RZ 260. Machines. Gear Grinding Machines

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Karen Willis
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1 RZ 260 Machines PeriPheral systems tooling Gear Grinding Machines technology services

Invented and refined to perfection by Reishauer, our gear grinding process offers valuable advantages: Maximum productivity due to high machining rates and short idle times Excellent grinding results

2 Invented and refined to perfection by Reishauer, our gear grinding process offers valuable advantages: Maximum productivity due to high machining rates and short idle times Excellent grinding results due to limited influence of the gear blank quality Extreme process reliability due to shifting and dressing of the grinding worm on the spindle Low perishable costs due to long life times of the dressing tool and grinding wheel Application of Reishauer LowNoise Shifting Technology to produce quiet running gears Short contact times between gear and grinding worm flank result in high compressive residual stresses Optional tooth root grinding to achieve optimum load capacity CNC machine kinematics allowing a wide range of gear flank modifications Reishauer TwistControl Grinding Technology enables the setting of defined values for flank twist

Principle 3 Customer Value is the Focus of our Innovations Swiss Precision Made by Reishauer For

reputation as the most reliable and efficient machines in gear finishing.

life cycle of the machine: Hybrid design of machine bed and spindles manufactured for maximum

Reishauer balancing system for automatic balancing of the grinding wheel on the spindle of the

for long life and high value retention CNC tailstock for programmable axial forces and optimum

3 Principle 3 Customer Value is the Focus of our Innovations Swiss Precision Made by Reishauer For more than 60 years Reishauer gear grinding machines have enjoyed an outstanding worldwide reputation as the most reliable and efficient machines in gear finishing. The RZ 260 combines advanced technologies in order to provide excellent results over the entire life cycle of the machine: Hybrid design of machine bed and spindles manufactured for maximum stiffness and damping Acoustic emission analysis for automatic set-up and dressing Precise Reishauer balancing system for automatic balancing of the grinding wheel on the spindle of the machine Highly accurate Reishauer generating module for best gear quality Multiple sealed guideways for long life and high value retention CNC tailstock for programmable axial forces and optimum reproducibility Backlash free swivel axis for the dressing unit (option) with the application of flexible dressing tools RZ 60 RZ 160 RZ 260 RZ 360 RZ 550 RZ 1000

4 RZ 260 New Definition of Modularity and Flexibility Successful Concept The RZ 260 is based on

The result is a unique gear grinding machine with the highest efficiency and quality for gears with

Rotating workspindle turret for optimum accessibility during set-up and loading Totally enclosed

4 4 RZ 260 New Definition of Modularity and Flexibility Successful Concept The RZ 260 is based on established concepts which have been enhanced and improved. The result is a unique gear grinding machine with the highest efficiency and quality for gears with diameters up to 260 mm. Rotating workspindle turret for optimum accessibility during set-up and loading Totally enclosed working area to avoid release of oil and oil mist Parking position for the dresser to protect it during grinding Pivoting Dressing Unit Reishauer RP 121 Gear in Grinding Position Loading and Stock Dividing outside of the Grinding Position

RZ 260 5 Flexibility and Productivity Configuration of the Workspindle Turret The RZ

In the basic version the RZ 260 Pivoting Dressing Unit is equipped with one

For loading this is automatically moved into an easily accessible loading position.

can be exchanged while another gear is ground on the second spindle.

In this configuration gears are to be ground.

Maximum flexibility can be achieved, using a pivoting dressing unit which Fixed

5 RZ Flexibility and Productivity Configuration of the Workspindle Turret The RZ 260 is available in four versions. In the basic version the RZ 260 Pivoting Dressing Unit is equipped with one workspindle. For loading this is automatically moved into an easily accessible loading position. For high productivity demands the machine can be equipped with two the ground gear can be exchanged while another gear is ground on the second spindle. The machine is equipped with a fixed Flexibility workspindles. In this configuration gears are to be ground. Different gear geometries can be ground, using workpiece specific dressing tools. Maximum flexibility can be achieved, using a pivoting dressing unit which Fixed Dressing Unit dressing unit if only a small variety of allows for dressing tools that can be used for a wide range of gears. One Workspindle Two Workspindles Productivity For automatic loading there is a large variety of different solutions available. The picture shows the standard Reishauer system.

6 The RZ 260 at a Glance Technical Data Working Range* Gear Outside Diameter 260 mm Module 0.5-5 mm Swivel Angle (Grinding Head) +/ 48 Grinding Stroke (max.) 180 mm Shaft Length (max.

6 6 The RZ 260 at a Glance Technical Data Working Range* Gear Outside Diameter 260 mm Module mm Swivel Angle (Grinding Head) +/ 48 Grinding Stroke (max.) 180 mm Shaft Length (max.) 490 mm Workspindle Speed (max.) 1600 min -1 Workpiece Weight (incl. Fixture) 50 kg Grinding Speed (max.) 80 m/s Grinding Wheel Outside Diameter (max.) 275 mm Face Width of Grinding Wheel (max.) 160 (125) mm Diameter of Dressing Tool 123 / 140 mm *Out of range dimensions can be verified upon request mm 2100 mm 9000 kg 2820 mm Hardware- and Technology-Options (Extract) Additional Workspindle (C1 & C2 Axis) Pivoting Dressing Unit (C4 Axis) CNC Tailstocks (W1 & W2 Axis) Profile Grinding Head Gear Inspection Device Profile Grinding Reishauer TwistControl Grinding Technology Grinding of Conical Gears (Beveloid gears) Grinding of Non-Involute Gears Line Dressing Integrated Oil Spinning Reishauer ECO-Mode The RZ 260 is a very compact machine. The operator s panel can be easily moved from the grinding to the dressing position. All service components are easily accessible and located in a central position, making the machine very user-friendly and efficient to operate. Colors RAL 9010 (Pure White) RAL 5002 (Ultramarine Blue) Control Siemens Sinumerik 840D Solution Line Reishauer PrecisionDrive (Generating Module) Reishauer User Interface

Reishauer Gear Grinding Technology 7 Gear Competence from one Source REISHAUER and FELSOMAT are redefining Gear Manufacturing REISHAUER GROUP Reishauer not only manufactures excellent gear grinding

In «Reishauer Gear Grinding Technology» we see the commitment to machines, loading systems, workpiece fixtures, dressing tools, grinding wheels, gear inspection and process technology.

7 Reishauer Gear Grinding Technology 7 Gear Competence from one Source REISHAUER and FELSOMAT are redefining Gear Manufacturing REISHAUER GROUP Reishauer not only manufactures excellent gear grinding machines, we are a reliable partner offering our systems expertise allowing you to master the entire gear grinding process. In «Reishauer Gear Grinding Technology» we see the commitment to machines, loading systems, workpiece fixtures, dressing tools, grinding wheels, gear inspection and process technology. Project engineering and consulting complete our scope of responsibility. And with FELSOMAT as a member of the Reishauer Group, this approach is consequently extended to the whole gear manufacturing chain. With FlexLine, we provide pure efficiency in gear manufacturing to our customers.

8 B 260 EN Reishauer worldwide Switzerland USA Russia Reishauer Corp. Industriestrasse Holmes Road c/o Technolada Ltd 8304 Wallisellen Elgin, IL Zastavskaya Street 33, Letter G Switzerland USA Saint Petersburg Russia info@reishauer.com usa@reishauer.com Germany France Reishauer GmbH Humboldtstrasse 32 24bis, avenue du Général Leclerc Leinfelden-Echterdingen Alfortville Germany France russia@reishauer.com germany@reishauer.com france@reishauer.com GABUN China Japan Reishauer K.K. Beijing Representative Office Keihintatemono Dai-2 Bldg. 2F Room 1708, SCITECH TOWER Shin Yokohama, Kohoku-ku No.22 Jian Guo Men Wai Da Jie Yokohama-shi, Kanagawa Pref. Beijing China Japan china@reishauer.com Head Office: Industriestrasse Wallisellen Switzerland japan@reishauer.com Find additional representatives at

RZ Machines PeriPheral systems tooling technology services. Gear Grinding Machines

RZ Machines PeriPheral systems tooling technology services. Gear Grinding Machines RZ 1000 Machines PeriPheral systems tooling technology services Gear Grinding Machines Generating Grinding: Invented and Refined to Perfection by Reishauer Invented and refined to perfection by Reishauer