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Magnetic chuck for milling Mastermill 70


When to choose a Mastermill 70 SQ electropermanent magnetic chuck:

If you are looking for a versatile magnetic chuck for heavy duty milling and drilling of medium-sized and large workpieces, draw you attention to Mastermill 70SQ chuck. Compared to the basic Mastermill SQ series, the larger 70x70 mm magnetic poles offer higher performance in combination with pole extensions for effective claming of uneven workpieces or 5-side machining in a single setup. For optimum holding force, the required workpiece thickness is at least 17 mm. Thanks to the combination of steel/stainless steel materials on the top plate, this series of magnetic clamping chucks is suitable for dry or MQL machining processes.

Advantages:

  • „Sandwich“ construction of the magnet with upper top plate guarantees the absolute waterproofness and long service life
  • 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
  • 6 m-long armoured power supply cable
  • Possibility to connect a set of several magnets to a single control unit
  • Available also in custom-made dimensions
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Catalog number Chuck dimension Height [mm] Availability (approximate) Price without VAT
(valid for EU flag EU only)
MM70300420
300x420 mm 68.00 on request
On request
MM70300540
300x540 mm 68.00 on request
On request
MM70300620
300x620 mm 68.00 on request
On request
MM70300820
300x820 mm 68.00 on request
On request
MM703001020
300x1020 mm 68.00 on request
On request
MM70380420
380x420 mm 68.00 on request
On request
MM70380540
380x540 mm 68.00 on request
On request
MM70380620
380x620 mm 68.00 on request
On request
MM70380820
380x820 mm 68.00 on request
On request
MM703801020
380x1020 mm 68.00 on request
On request
MM70460540
460x540 mm 68.00 on request
On request
MM70460620
460x620 mm 68.00 in stock
On request
MM70460820
460x820 mm 68.00 on request
On request
MM704601020
460x1020 mm 68.00 on request
On request
MM70580620
580x620 mm 68.00 on request
On request
MM70580820
580x820 mm 68.00 on request
On request
MM705801020
580x1020 mm 68.00 on request
On request

Detailed description:

Mastermill 70SQ is an electro-permanent magnetic clamping plate with a pole size of 70 x 70 mm, a construction with a total height of 68 mm and a nominal clamping force of 170 N / cm2. Around the perimeter of the magnet is practical offset for the clamps, the magnet also has enough space for through holes.
The standard design includes a quick „bayonet“ coupling connector, stop blocks on 2 sides and a the 6 metre-long armored power cord. All magnetic poles are provided with M8 threads for easy mounting of pole extensions.

Important parameters:

  • Application: Milling
  • Technology: Electropermanent
  • Holding force: 170 N/cm2
  • Min. workpiece size: 150 x 150 x 17 mm
  • Poles: Square – steel/stainless steel combination for high durability and long service life
  • Regrinding limit: 6 mm
  • Pole size: 70 x 70 mm
  • Chuck height 68 mm
  • Guarantee: 2 years

Additional information:

Beyond the standard design, the customer can choose:
  • different cable outlet location on the magnet
  • fixed (screwed) el. outlet – the connector is moved to the control unit
  • through going holes for fastening the magnet to the table
  • centering stones and grooves on the bottom side of the body for precise installation (centering with the machine table axis)
  • multi-section chuck (possibility to devide the clamping area into several independent segments)

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.
  • Rough grinding of large parts

Scope of supply:

  • Magnetic chucks
  • Side stop blocks
  • Armoured power supply cord
  • Certificate
  • Operation and maintenance instructions
Mastermill 70 drawing
Catalog number Number of poles W (mm) L (mm) H (mm) weight (kg)
MM70300620 18 300 620 68 86
MM70300820 24 300 820 68 114
MM703001020 30 300 1020 68 142
MM70380420 16 380 420 68 74
MM70380540 20 380 540 68 95
MM70380620 24 380 620 68 109
MM70380820 32 380 820 68 144
MM703801020 40 380 1020 68 180
MM70460540 25 460 540 68 115
MM70460620 30 460 620 68 132
MM70460820 40 460 820 68 175
MM704601020 50 460 1020 68 218
MM70580620 36 580 620 68 167
MM70580820 48 580 820 68 221
MM705801020 60 580 1020 68 274