GRINDING
The new Chevalier FSG-ADIII three-axis grinder series is an automatic, precision, surface-grinding machine that of- fers improved accuracy, quality, and ease of operation. This series includes a new touch-screen control station adjust- able to a comfortable position for the operator. Switches, buttons, LEDs, and indicating lamps are all combined in a touch display that is ergonomically positioned to provide the best user-friendly operation. Rough and fi nish grinding are performed in one pass, eliminating a separate process and reducing cycle time.
Rough and fi nish grinding are performed in one pass, eliminating a separate process and reducing cycle time.
The FSG-ADIII Series includes a new PLC controller that
provides a grind cycle with rough grinding, fi ne grinding, spark-out passes and an automatic over-wheel dresser with compensation, which can be added to fully automate the grind process. After the cycle is fi nished, the table will “park” either left or right of the saddle and at the front to facilitate unloading and loading. The spindle can be set to “stop running” or “continue running.” The wheelhead can also be set to return to the start position or to park at a ref- erence point. Once the cycle is started, the wheel head will move rapidly to the start point and repeat the grind cycle. If material is required to be removed from both sides, “fl ip over” can be selected, leaving the wheelhead position at the fi nish grind height, which will start grinding immediately without touching off.
Five-Axis CNC Grinder for Micro Tools, Complex Geometries The 325linear fi ve-axis CNC grinder from Schütte (Jackson, MI) is designed for precision grinding of micro tools, gun drills, hob cutters, and complex geometries. The 325linear features extended X and Y-axis movement plus two auxiliary slides for workpiece clamping and improved grinding wheel guidance over the entire machining en- velope. The additional second auxiliary slide enables the 325linear to utilize tool guidance, part support, tailstock or workpiece pallets in operation. This new Schütte machine further expands the user’s automation possibilities, as it also offers signifi cant advancements in wheel change and robotic workpiece handling.
December 2016 |
AdvancedManufacturing.org 45
For example, on the A axis, a user can install collet chucks, hydraulic expansion chucks or multirange chucks. With the automated collet changer on the machine, work- pieces with different diameters can be clamped with high concentricity in the untended loader station. The Schütte A-axis confi guration on this machine also permits position- oriented clamping of non-rotationally symmetrical workpiec- es. In this way, sequential workpieces with various roughing and fi nishing requirements can be preset on the machine for continuous processing.
The 325linear grinding system offers scalable automa- tion, with a 140-position toolchanger, 5-24 grinding wheel magazine and a fl exible robotic tool gripper for changing the smallest micro tools as available options. The same base machine can be utilized for continuous production of a single part in a workcell setup or used for sequential one-off work, as needed. The 325linear is offered with the proprietary SIGSpro (Schütte Integrated Grinding Software) as the programming
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