Mastermill variable electro-permanent magnetic chucks

When to choose a Mastermill electropermanent magnetic chuck:

If you are looking for a versatile magnetic chuck for milling and drilling of small and large workpieces, then a Mastermill chuck is the right choice. Using pole extensions, the material can be machined from 5 sides, drilled through, and uneven material can be machined as well. For optimum holding force, the required workpiece thickness is at least 12 mm. Standard version with top plate in steel/stainless steel combination is also suitable for dry or MQL machining.

Advantages:

Possibility to machine the workpiece from 5 sides, drill through or machine uneven workpieces
The stop blocks can be moved freely to any side
Slot round the entire perimeter – for easy attachment to the machine table
Possibility to perform through going holes for additional fixing to table
Low compact design
6 m-long armoured power supply cable
Possibility to connect a set of several magnets to a single control unit
Top plate in steel/stainless steel combination guarantees high mechanical durability and thermal resistence.

Related products

Flexible pole extension for magnetic field transfer
Flexible pole extensions for Mastermill allow machining from 5 sides.

Fixed pole extensions for magnetic field transfer
Fixed pole extensions for machining from 5 sides.

Control units for electropermanent magnetic chucks EP-CU
The control unit controls the magnet and starts demagnetizing it when switching off.

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Display as table

Catalog number	Chuck dimension	Height [mm]	Availability (approximate)	Price without VAT (valid for EU only)
MM50300430	300x430 mm	51.00	4 - 6 weeks	On request
MM50300490	300x490 mm	51.00	4 - 6 weeks	On request
MM50300600	300x600 mm	51.00	4 - 6 weeks	On request
MM50300800	300x800 mm	51.00	5 - 6 weeks	On request
MM50300900	300x900 mm	51.00	5 - 6 weeks	On request
MM50420430	420x430 mm	51.00	5 - 6 weeks	On request
MM50420600	420x600 mm	51.00	usually in stock	On request
MM50420800	420x800 mm	51.00	usually in stock	On request
MM50420900	420x900 mm	51.00	6 - 7 weeks	On request
MM50420990	420x990 mm	51.00	6 - 7 weeks	On request
MM50480490	480x490 mm	51.00	5 - 6 weeks	On request
MM50480600	480x600 mm	51.00	5 - 6 weeks	On request
MM50480800	480x800 mm	51.00	usually in stock	On request
MM50480900	480x900 mm	51.00	6 - 7 weeks	On request
MM50480990	480x990 mm	51.00	6 - 7 weeks	On request
MM50580600	580x600 mm	51.00	6 - 7 weeks	On request
MM50580800	580x800 mm	51.00	6 - 7 weeks	On request
MM50580900	580x900 mm	51.00	6 - 7 weeks	On request
MM50580990	580x990 mm	51.00	6 - 7 weeks	On request

Detailed description:

The Mastermill electropermanent magnetic chuck is a chuck with 50×50 mm square poles, a compact low design (only 51 mm high) and a nominal holding force of 170 N/cm². The electromagnet has a practical offset (slot) around its entire perimeter for clamps and there is also enough space on the magnet to perform through clamping holes.

The standard delivery includes magnet with a quick “bayonet” coupling connector, stop blocks on 2 sides, and with a 6 metre-long armoured cable.

Important parameters:

Application: Milling
Technology: Electropermanent
Holding force: 170 N/cm²
Min. workpiece size: 50 x 110 x 20 mm
Poles: Square
Regrinding limit: 6 mm
Pole size: 50 x 50 mm
Top plate: steel/stainless steel combination
Guarantee: 2 years

Additional information:

Beyond the standard design, the customer can choose:

different cable outlet location parts
through going holes for fastening the magnet to the table
a top plate with a corrosion resistant gaps between the poles

If you have any questions about the arrangement of the chuck or about the selection of a suitable control unit, contact us. We will be happy to advise you.

Use:

Machining of uneven parts up to 5 sides
Clamping of a wide range of workpiece sizes during milling
Clamping of large forms, castings, blocks, structures, etc.during drilling operations
Rough grinding of large parts

Scope of supply:

Magnetic chuck
Side stop blocks
Armoured power supply cable
Certificate
Instructions for use

Parameters:

Model	Number of poles	W (mm)	L (mm)	H (mm)	Weight (kg)
MM50300490	24	300	490	51	49
MM50300600	32	300	600	51	61
MM50300800	40	300	800	51	82
MM50300900	48	300	900	51	92
MM50420490	36	420	490	51	70
MM50420600	48	420	600	51	86
MM50420800	60	420	800	51	114
MM50420900	72	420	900	51	128
MM50480600	56	480	600	51	97
MM50480800	70	480	800	51	130
MM50480900	84	480	900	51	146
MM50480990	84	480	990	51	161
MM50580800	80	580	800	51	157
MM50580900	96	580	900	51	177
MM50850990	96	580	990	51	194