ECLIPSE grinding performance and accuracy with 2 grinding spindles
Tool range
Technical features
| Application | Finished Tool Diameter from Solid Material | Ø 0,2 - 12,7 mm |
| Finished Tool Diameter while Regrinding | Ø 30 mm max. | |
| Max. Flute Grinding Length | 200 mm | |
| Longitudinal X-axis | Travel Length | 530 mm |
| Feedrate Range | 0 - 15 m/min | |
| Cross Slide Z-axis | Travel Length | 320 mm |
| Feedrate Range | 0 - 15 m/min | |
| Vertical Y-axis | Travel Length | 400 mm |
| Feedrate Range | 0 - 15 m/min | |
| Double Spindle Grinding Wheel Head B-axis | Swivel Angle of the Grinding Wheel Head | 240 ° |
| Max. Grinding Wheel Diameter | 100 mm | |
| Spindle Speed Range | up to 20,000 rpm | |
| Roughing Grinding Spindle 1 Taper, Automatic Clamping | HSK - E50 | |
| Finishing Grinding Spindle 2 Taper, Manual Clamping | HSK - C50 | |
| Roughing Grinding Spindle 1 Power (S6) | 9,0 kW | |
| Finishing Grinding Spindle 2 Power (S6) | 4,5 kW | |
| Number of Grinding Wheel Packages | Wheel Packages for Spindle 1 in Automatic Wheel Changer | 4 (optional) |
| Wheel Packages for Spindle 2 (Manual Clamping) | 1 | |
| Workhead A-axis | Clamping Systems | W25, W20, B15 / Hydraulic collet |
| Tool Shank Clamping Diameter Range | 1 - 25,4 mm | |
| Max. Rotary Speed for Cylindrical Grinding | 0 - 1500 rpm | |
| CNC Control | NUM | |
| NUM Software | NUMROTOplus® | |
| Dimensions of Machine | L x W x H | 200 x 215 x 210 cm |
| Weight | ca. 3800 kg | |
| Technical changes and errors excepted. | ||
| TTB reserves the right to make changes and/or additions to the information provided, such as technical specifications, design changes without prior notice. |
2 Grinding spindles for increased precision
In addition to the extreme small footprint and 4-station wheel changer, the Eclipse Grinding Center features a 2nd grinding spindle for finishing the final tool-geometry. Since the spindle 2 wheel package is not being changed during the grinding cycle, there will not be any random inaccuracies. The grinding spindle 1 has an automatic (or manual) wheel changer and is primarily dedicated for roughing operations.
The workpiece spindle can be used both as a positioning axis and as a rotary axis (cylindrical grinding, dressing). The rotary axis B is optionally equipped with worm drive or direct drive. The X-Z axes are backlash-free as a result of hydraulic compensation.
Flexible Software, fast changeover of the wheel packages, open access to the tool loader and a highly reliable collet clamping system, resulting in a machine that is an extremely setup-friendly production unit.
Setup of the machine
Particular attention has been paid to the accessibility of the machine.
The well-tested components allow fast changeover of tool production. The ergonomic designed operator‘s panel is height-adjustable.
The Robot and 3 loading pallets are located within the machine footprint, keeping its floor space at a minimum.
The double grippers (for blanks and finished tools) can clamp diameters 1 to 16mm without involving the interaction of an operator.
The workpiece probe is part of the basic machine. The grinding wheels can be rectified and automatically measured in the machine (option).
For productivity and flexibility
Fully automatic grinding on a small footprint thanks to the smart integration of the 6-axes Robot within the machine cabinet.
High-capacity loader: The robot enables fast and flexible loading. In the diameter range from 1 to 2 mm, up to 1,628 blanks can be loaded with three pallets. From 1 to 6 mm, up to 750 blanks. The double gripper for blank and finished part clamps diameters from 1 to 16 mm without any changeover. The separation to the grinding area closes synchronously with the robot.
Steady rest
The fully automatic steady rest is used for grinding operations from 10 -15 x Ø. Assembly and set-up is done by a few simple operations. The steady rest is placed onto the cross table. The V-block bushings or half-round support bushings can be aligned to the taper angle of the tools.
Shank guide – V-block
The V-block unit is used to optimize concentricity. Diameter range 1-6mm.
Wheel Package Changer
The wheel package changer holds up to 4 wheel packages and one blind arbor. The wheel packages are programmed in the NUMROTOplus® grinding program and automatically exchanged onto Spindle 1. A blind plug adapter protects the spindle taper from contamination when not in operation. A protective enclosure keeps all grinding wheel packages protected from oil and unwanted contamination.
Machine Control
The model Eclipse, like all TTB machines, is equipped with the NUM® control system. This enables optimal adaptation to a wide variety of production strategies and the best utilization of customer-specific programming and operating know-how.
Numrotoplus® programming system
NUMROTOplus® has optimal and efficient programming and support functions and includes powerful 3D simulation and precise collision monitoring. Company-specific technology databases can also be created. This enables optimal adaptation to a wide range of production strategies and the best utilization of customer-specific programming and operating know-how.
Software updates are available free of charge for the entire service life of the machines.
TTB supplies peripherals, accessories and special units upon request:
The following tools can be ground or resharpened on the ECLIPSE model:
The CNC grinding machine TTB ECLIPSE is used in the following areas:
