Machine features
The powerful solution for precision machining from 5 to 3 axes.
Versatile, productive and compact.
The machine design, Z-axis travel, geometry and control unit are designed for 5-axis machining with FEHLMANN distribution and rotary units. Up to 5 axes are fully integrated into the control system.
This combination provides the best access and precision for 5-, 4- and 3-axis machining.
The PICOMAX 75 can also be ordered as a pure 3-axis milling machine, the 4th and 5th axes can be upgraded if required at any time.
Easy access to the machine from the front, also in combination with the optionally available automatic workpiece handling.
The new machine design with optimized rigidity and large linear guides as well as precision glass scales for direct measurement with compressed air on all axes guarantee “Jigsaw quality”.
Fully digital drive technology for maximum dynamics and productivity. The mounting surfaces of the machine’s structural parts are cleaned, ensuring the best possible geometry.
Features and highlights
Designed from the start for 5-axis operation
- Compact, well-thought-out design for ideal accessibility and best working ergonomics for 5-, 4- and 3-axis milling guarantees highest precision
- Automatic tool changer with 50 positions (optionally 80 positions), which can be loaded by the operator during machining
- Energy-optimized design and power supplies for energy and operating costs savings
- Power supplies automatically switch off when not in use
- Fully digital universal contour control of the latest generation Heidenhain TNC 640
- High rigidity thanks to new stability-optimized design, vertical column, stable carriage, ball screw drives and digital three-phase AC drives
- High-precision glass scales with compressed air for direct position measurement as standard
- Powerful FEHLMANN motor spindles with high torque torque
- Maximum spindle speed 14,000 / 20,000 / 30,000 / 36,000 rpm
- Axis travel X 600 mm, Y 400 mm, Z 610 mm
- Maximum feed rate (with interpolation) on all axes 30,000 mm/min
- The machine can be automated without compromising availability
- Fehlmann Swiss Made – everything from a single source!
Parts Handling
Construction / Drives
- Rigid vertical column construction with integrated cross slide
- Large profile guides
- Digital drive technology for high dynamics in the HSC range
Precision / Quality
- Direct measuring systems in all axes
Scraper geometry - In-house development, production and assembly in FEHLMANN/Switzerland
- Quality assurance with state-of-the-art tools
- High thermal stability and motor spindle with active cooling
Ideal accessibility
- The operator monitors all important machine areas from his workplace
Loading the workpiece during machining - Good visibility of the workpiece and spindle at all times
- Loading by crane by simply opening the protective door
Flexibility
- Universal motor spindle with 20,000 rpm (optionally 30,000 rpm), suitable for both conventional roughing machining as well as for high-speed machining.
- Large clamping surface reduces setup times
- Distance between table and spindle 700 mm
- The Heidenhain control has the necessary HSC characteristics and is well suited for workshop programming
All options are available, tailored to modern machining needs:
- High-pressure coolant system with spindle feed and chip conveyor.
Various tools and workpiece measuring systems (probe systems, laser …) - Integrated minimum amount of lubricant for HSC machining.
- Graphite disposal.
GRAPHITE
- For regular machining of graphite, ceramics and hardened parts, FEHLMANN offers special GRAPHITE models.
- These models include guides* and spindles with special scrapers.
- The switchgear cabinet is equipped with a closed cooling system.
*Depending on the model, also optionally sealed.
Options
Designed for 5-axis machining from the start
- The ATS (automatic dividing/swiveling unit) is an in-house development and is also manufactured at Fehlmann.
- Maximum precision thanks to direct measuring system.
- High machining stability thanks to pneumatic-hydraulic clamping
- The 4th and 5th axes are fully integrated into the control system, coordinates are automatically converted
- The machine can also be upgraded with the 4th and 5th axes at any time
- Perfect access to the workpiece even with small workpieces with very short clamping
- Plenty of space around the dividing and swiveling unit for additional clamping options
Technical specifications
| Travel distances | ||
| X | mm | 600 |
| Y | mm | 400 |
| Z | mm | 610 |
| B | degree | -10° to 120° |
| C | degree | 0° to 360° |
| Machining area | ||
| Clamping surface L x W | mm | 1160 x 475 |
| Distance table to spindle nose | mm | 125 – 735 |
| Work spindle | ||
| Speed / power at S6 (40% ED) | rpm | 50 – 14,000 / 10.5 kw |
| 50 – 20,000 / 10.5 kw | ||
| 50 – 30,000 / 13.7 kw | ||
| 50 – 36,000 / 19.5 kw | ||
| Tool changer | no. of pockets | 50/80 |
| Other data | ||
| Feedrate/rapid feed | mm/min | 1-30’000 |
| Control unit | Heidenhain CNC continuous path control | TNC 640 |
| Installation space (W/D/H) | m | 2.3 /2.1/2.95 |
| Weight | kg | 5300 |
Subject to technical modifications.
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