Overhaul, modernization, replacement of all wear and spare parts of AMNI lathes for processing grinding wheels
Scope of the overhaul:
- Conversion of the support guides to linear guides and ball screws with sealing air system and central lubrication
- New drive motors for the cross support and the main spindle
- Conversion of the main spindle bearing
- Installation of an encapsulated hydraulic power chuck
- Completely new electrical equipment with SIEMENS PLC/NC and user interface
- Programming a workshop-oriented visualization
- Conversion of the protective enclosure to automatic opening and closing with monitoring and locking functions
- Overhaul of all machine components
- Procurement of spare parts and replacement of all wear parts
New development, design and construction of machining centers for the machining of grinding wheels
Machining center PRO-FBP RH750-300 AS-GH
- Processing of grinding wheels with a diameter of 320 mm to 755 mm
- Machining can be carried out on the surrounding surface, flat surface and hole
- Main spindle drive power 17 kW
- Tool spindle drive power 11.5 kW
- Clamping the workpieces with internal chuck clamping, external chuck clamping and mandrel clamping
- Workshop-oriented user interface
- HSK80 clamping system for rotating tools
- Loading the workpieces manually via a roller conveyor with an upstream turner
Machining center PRO-RHA 500x150 PCD
- Processing grinding wheels with a maximum outside diameter of
450 mm and 250 mm disc width - The processing takes place on the surrounding surface
- Manufacture of grinding wheels with gear profiles
- Production of toothed flank washers
- Main spindle drive power 13.2 kW
- Tool spindle drive power 2.2 kW
- Machining with two PCD chisels and rotating diamond discs
- 4 tools on tool carrier
PRO-UMF 400x1000 machining center
- Processing of grinding wheel packages for the production of transmission shafts
- The processing takes place on the surrounding surface of the individual grinding wheels
- The grinding wheels can be processed individually or in packages
- The grinding wheels are clamped between the chuck and the quill
- Main spindle drive power 17 kW
- Tool spindle drive power 2.2 kW
- Machining with stationary or rotating tools
Machining center PRO-UMF-BAZ 2x420x280
- Workpiece dimensions up to d=420 mm x 280 mm
- Complete processing of ceramic-bonded grinding wheels
- Machining center with two machining cells for alternating machining and assembly
- Drive power of the main spindle 2x25 kW
- Torque motor direct drive without gear ratio
- Tool spindle drive power 3 kW
- Tools can be selected via 4-way head turret
- Machining with stationary and rotating tools
- Machining tolerances up to H7 possible
- External and internal clamping options for both processing stations
Conversion and modernization of a rotary table surface grinding machine make Kehren RS8C-CNC
- Machine for flat surface processing of grinding wheels using dry grinding
- Min. machining diameter 258 mm
- Max. machining diameter 770 mm
- Drive power round table 4 kW
- Tool spindle drive power 30 kW
- Automatic tool measurement and correction
- Positioning accuracy of the feed axis
0.02mm - Manual clamping of the workpieces in the three-jaw chuck
Conversion, modernization and replacement of all wear and spare parts of a vertical drilling machine from AMNI
- Processing of ceramic-bonded grinding wheels
- Rotating diamond tool, variable speed setting
- Workpiece machining in the bore, flat surface and surrounding surface
- maximum workpiece dimensions d=400x250mm
- variable speed setting of the workpiece spindle for constant cutting speeds
- mechanical compensation of conicity
when machining holes - completely new protective enclosure
Locking and suction option - Traversing movement with three-phase servo motors from Siemens
- Axis positioning with EnDat absolute encoders
- Siemens PLC S7-300 with touch panel and SINAMICS positioning control
- Procurement of spare parts and replacement of all wear parts
Overhaul and replacement of all wear and spare parts of an AMNI DB750 lathe
- Processing of ceramic-bonded grinding wheels
- Machining with PCD chisels
- Workpiece machining in the bore and surrounding area
- maximum workpiece dimensions d=750mm
- variable speed setting of the workpiece spindle
- Overhaul of the cross support with new guides and ball screws
- Installation of new handwheels for manual adjustment with digital display
- Building a new manual chuck
- new Siemens main spindle drive
- Conventional operation and speed adjustment of the main spindle
with Siemens SINAMICS drive - Safety monitoring of the protective hood and the work area
- Procurement of spare parts and replacement of all wear parts
Modernization of vertical grinding wheel lathe machine VSCH600 from AMNI
- Processing of ceramic-bonded grinding wheels
- Machining with rotating tool, variable speed setting
- Workpiece processing on the surrounding surface
- Workpiece dimensions from d=120mm to d=615mm
- variable speed setting of the workpiece spindle for optimal cutting speeds
- No need for hydr. Feed drives for X, Z axes and turntable
- Installation of Siemens three-phase servo motors
- Axis positioning with EnDat absolute encoders
- Installation of a new three-phase gear motor for the rotary table
- Replacing the old hydraulic unit
- Installation of an automatic central lubrication device
- Replacement of the main motor of the workpiece spindle with a Siemens three-phase servo geared motor
- Elimination of the workpiece measuring device (measuring roller)
- Installation of a new non-contact measuring device
- New control cabinet with Siemens PLC control and Siemens SINAMICS drives
- completely new machine installation
- new security enclosure with monitored service door
- Operation via Siemens touch panel