Used Magerle Buying Guide: What to Inspect Before You Purchase
Magerle grinders are designed for 24/7 continuous operation in some of the most demanding production environments in the world. A well-maintained example holds tolerances long after most surface grinders would have been retired. Because the brand’s signature technology (hydrostatic guideways, high-power spindles, large rotary tables) is also expensive to repair if neglected, the four areas below matter most when evaluating a used machine.
Hydrostatic Guideway System
The fully enclosed hydrostatic guideway, introduced in 1980, is the heart of every modern Magerle. Verify the hydrostatic oil supply pump, oil cleanliness, filtration, and pressure stability across all axes. Any history of contamination, oil starvation, or pressure faults is a serious flag. Pull recent maintenance records, check oil temperature behavior under load, and ask whether the machine has had a guideway service. On rotary-table machines, the same scrutiny applies to the table’s hydrostatic bearings.
Grinding Spindle, Drive Power, and Tool Changer
Magerle spindles run from 30 kW on smaller MGC RV vertical machines up to 115 kW on the largest MGC Special configurations, with up to 30,000 RPM on certain spindle options. Document spindle hours, bearing condition, and any history of crash damage or rebuilds. On MFP 50 machines with 68-position gantry tool changers, cycle the changer through full motion and inspect grippers, taper interfaces, and dressing-roll positions. Verify quick tool change function and any expanded changer options.
Rotary Table Accuracy and Workpiece Capacity (MGC Series)
On MGC RH rotary horizontal machines, the direct-drive rotary table is mounted on hydrostatic bearings with a spec of under three angular seconds positioning accuracy. Verify indexing repeatability, the load-bearing condition (capacity up to 12 tons on the largest tables, 2.5 m diameter), and any wear at the table interface. On MGC ST swiveling-table machines, confirm 180-degree swivel function. On MGC RV vertical machines, check the swivel range (+/-50 degrees) and the interchangeable spindle measuring probe.
Siemens Control, C.O.R.E. Platform, and Coolant System
Modern Magerle machines run on Siemens Sinumerik (typically 840D, 840D sl, or Sinumerik ONE) with the UNITED GRINDING C.O.R.E. operating system on current-generation machines. Confirm control hardware generation, software version, and any UNITED GRINDING Digital Solutions licenses. Coolant systems on creep-feed Magerle machines are large, high-volume, and high-pressure, with 2-axis controlled nozzles on the MFP 50; verify pump condition, filtration, and chiller capacity, since coolant problems are a leading cause of grinding-quality issues on these platforms.
Magerle Machine Series Overview
MFP Modular Flat and Profile Grinders (MFP 30, 50, 100, 330)
The MFP series is Magerle’s modular creep-feed and profile platform. The MFP 30 is a compact 5-axis grinder for guide and rotor blades and heat shields. The MFP 50 is a 5- or 6-axis CD grinding and machining center widely used in aerospace, with a 68-position gantry tool changer and 2-axis coolant control. The MFP 100 scales the platform up, and the MFP 330 is the largest machine of its kind ever built.
MGC Grinding Centers (FT, ST, RH, RV, Special)
The MGC series brings the modular concept to large workpieces. The MGC FT handles high-precision processing with a fixed table. The MGC ST adds 180-degree swiveling for parallel load and unload. The MGC RH is the world’s reference rotary horizontal machine for turbine discs (up to 2.5 m, 12 tons, under three angular seconds). The MGC RV vertical grinding center handles bearing rings and combines grinding with turning, milling, drilling, reaming, and boring. The MGC Special covers X-travels up to 5,500 mm.
Sell Your Magerle: Top Dollar, Fast Turnaround
Magerle equipment holds value extremely well. Long service life, OEM parts and applications support through UNITED GRINDING North America, and steady demand from aerospace and power turbine producers mean clean machines move quickly. Resell CNC pays competitive cash, coordinates inspection and rigging, and closes on your timeline.
Our 3-step sell process:
1. Contact us. Call (844) 478-8181 or email sales@resellcnc.com with model, year, hours, and configuration. Photos and recent service records help us quote faster.
2. Receive an appraisal. Our team reviews market comps, current demand, and machine condition to deliver a no-obligation cash offer, typically within one business day.
3. Accept and close. If you accept, we coordinate inspection, rigging, and payment so you can clear the floor on your schedule.
Frequently Asked Questions About Used Magerle Machines
Are used Magerle CNC grinders reliable?
Yes. Magerle has been building grinding machines since 1929, and the modular MFP and MGC platforms are designed for 24/7 production. The fully enclosed hydrostatic guideway system, in use since 1980, gives Magerle machines exceptional geometric stability and long service life. Well-maintained units routinely run 20+ years.
What CNC controls and software do Magerle machines use?
Modern Magerle grinders run on Siemens Sinumerik (typically 840D, 840D sl, or Sinumerik ONE) with the UNITED GRINDING C.O.R.E. operating system on current platforms. UNITED GRINDING Digital Solutions are available on C.O.R.E. machines for production tracking and remote support.
What should I inspect when buying a used Magerle?
Focus on four areas: hydrostatic guideway oil supply, filtration, and pressure history; spindle and tool changer condition; rotary or swiveling table accuracy on MGC machines; and Siemens control generation, software licenses, and coolant system capacity.
What is the difference between MFP and MGC?
The MFP is the modular creep-feed and profile grinding platform, ideal for aerospace turbine blades, vanes, and heat shields. The MGC series brings the same modular concept to grinding centers for large and heavy workpieces, with fixed, swiveling, rotary horizontal, rotary vertical, and Special configurations covering bearing rings to large turbine discs.
Why is the MGC RH considered the industry standard for turbine discs?
The MGC RH combines a 2.5 m direct-drive rotary table on hydrostatic bearings, 12-ton load capacity, and positioning accuracy under three angular seconds, with the high spindle power and rigid frame the platform is known for. It is a top choice for grinding turbine discs with Hirth gears and Curvic couplings.
Does UNITED GRINDING still support older Magerle machines?
UNITED GRINDING North America provides parts, applications support, training, and field service from its Miamisburg, Ohio headquarters. Available support depends on the specific model and Siemens control generation; we verify support status as part of our pre-purchase inspection.
How do I sell my Magerle to Resell CNC?
Call (844) 478-8181 or email sales@resellcnc.com with model, year, hours, and configuration. We typically deliver a no-obligation appraisal within one business day and coordinate inspection, rigging, and payment.