New Mägerle MFP TC

MFP TC Overview

The new MFP TC is the smallest in the Mägerle machine line and offers a great number of various configurations, depending on the application. The compact and symmetrical traversing sliding column design, together with precision pre-loaded ball screws and wide hydrostatic guideway  bearings, ensures high static, dynamic and thermal stability. 

Tool Changing

The new MFP TC profile grinder is equiped with an integrated automatic tool changer which can switch wheels in eight seconds using a swing arm configuration. Maximum tool dimensions are 300 mm x 60 mm x 76.2 mm, and changer capacity is  tools is 20 — 10 for wheel diameters smaller than 190 mm, and six for wheel diameters up to 280 mm.  A reliable HSK-80 wheel flange system offers rigidity and precision needed for close tolerance parts with high surface finish requirements.  Tool options include vitrified CBN, plated CBN, conventional grinding wheels and various other metal cutting options. 

Hydrostatic Guideways

An important feature of the MFP TC profile grinder is its guide ways.  Mägerle developed hydrostatic wrap-around guide ways utilized in the Y-axis, are 100 per cent wear-free and offer, high rigidity and load capacity, optimum smoothness and vibration dampening and maximum precision and process reliability. All main axes of the MFP 50 can rapid traverse at 20,000 mm/min (790IPM). X-axis travel is 500 mm, Y-axis spindle travel is 660 mm and Z-axis travel is 660 mm. 

Continuous Dressing

The system is equipped with an overhead dressin unit, which allows for conventional, in-process, or continuous dressing of wheels. It’s unnecessary to reset the tool; every time a wheel is changed it is positioned against the spindle bearings, allowing optimal wheel position and dressing by tool offset.  Cross travel on the Z’-axis cross stroke for fine adjustment and CNC profile dressing of wheel shape features is 152 mm. 

Control

The MFP TC profile grinder features state-of-the-art Siemens Sinumerik 840D digital controls.  Machine operation, setup, changeover, dressing and programming of even complex parts are easily accomplished through the operator-friendly control.  Typical applications include turbine vanes and blades, small turbine and compressor blades, machining both sides of fir tree and root shank faces, shroud and z-notch profiles — both sides and slots if required. The automatic tool changer allows the use of the right abrasive for each feature — plated CBN for radial slots, vitrified CBN for blade W-forms, conventional abrasives for radial slots and blade fir tress.