Magnetic Chucks

ULTRAFINE

 

PERMANENT MAGNETIC CHUCK FOR EDM AND HIGH PRECISION GRINDING OPERATIONS.

  • Specially designed for accurate and efficient clamping on EDM and high precision grinding machines.
  • Extremely low magnetic field (2mm high).
  • High magnetic force (60 N/cm2 St37).
  • Silver brazed top plate.
  • Variable magnetic clamping force.
  • Clamping surface can be switched in zones.
  • Long clamping solid for easy positioning.
  • Precision angled side rails for accurate positioning of workpiece.
  • Light construction.
  • Totally sealed against ingress of liquid.

 


Off Position

Reduced Magnetic field

Maximum Magnetic force

 

In operation the workpiece is held down on the Ultrafine with very low magnetic field 2mm, therefore no influence on the spark erosion process, in other words no particles adhere to the workpiece.

Ultrafine magnetic chucks have the following advantages:-

  • Silver brazed top plate for extra stability and accurate clamping.
  • High clamping force:- 60 N/cm2 St37.
  • Double ceramic magnetic system in combination with a very low concentrated magnetic field (2mm)
  • The waterproof construction allows the Ultrafine to be submerged in the tank of Dielectric Fluid.
  • Precision angled side rails for quick set.
  • Light and handsome construction.

The magnetic force is infinitely variable from 0-100% “Quick setting of the workpiece”.

Saving Set Up Time

Without the right equipment the accurate positioning and clamping of workpieces on EDM machines is time consuming and costly. Machine operators and production managers are always looking to reduce these set up times. The latest development in this range is the Ultrafine.

A permanent magnetic chuck born from a combination of market information and knowledge of magnetic products.

Ultrafine is multi-functional

Why do we call the Ultrafine multi-functional? Because it is also suitable for high precision grinding. The ultra low magnetic field makes this chuck very special. We all know that clamping small and thin workpieces is very difficult and the special construction of the Ultrafine chuck will reduce these problems.

 

At last, after years of difficulties, the operator has a solution to these difficult problems.

Unit features

Every (4mm) narrow steel pole in the Ultrafine magnetic chuck is supported by a set of permanent ceramic magnets on both sides.

These are the same magnetic ceramic magnets used in the complete range of permanent magnetic chucks which are guaranteed never to lose their magnetic force. The solid construction of the Ultrafine gives high stability despite the 45mm height. The infinitely variable magnetic force of the Ultrafine even allows the operator to grind distorted workpieces accurately.

In conclusion the purchase of an Ultrafine chuck will greatly increase your possibilities on your expensive machinery and quickly pay for itself by the resultant savings.

 

TECHNICAL DETAILS


Type:- Ultrafine
H = height = 45mm
Pole division: 2mm stainless steel
4mm steel

ELEKTROFINE

 

ELECTRO MAGNETIC CHUCK WITH FINE DIVISION LONG BAR POLE.

  • For grinding of small workpieces in series as well as workpieces which do not have one true flat surface.
  • For effective magnetic holding of thin or small parts it is essential to overbridge the space between two poles – if necessary with the aid of extra steel strips.
  • The design of the plate makes it easy to design and locate fixtures correctly for the effective holding of intricately shaped workpieces.
  • Top plate constructed of steel and stainless steel.
  • Powerful holding – full magnetic surface to all edges.
  • Low height for more wheel head clearance.
  • Usable top plate life 8mm.
  • Adjustable work stops (disc type) on two adjacent sides.
  • Supply voltage 110V DC.


UNIGRIP

UNIVERSAL PRECISION ELCTROMAGNETIC CHUCK WITH CONTINUOUS TRANSVERSE POLES FOR MODERN GRINDERS

 

  • Less than 5 degrees centigrade temperature change after one hour working.
  • Minimal mechanical deformation with solid one piece housing.
  • Uniform magnetic force distribution with specially developed rigid top laminations.
  • Minimum power consumption.
  • Full magnetic surface offering easy operation.
  • Versatile clamping, excellent holding on a broad range of workpiece sizes.
  • Low profile for more wheel head clearance.

CODEA
mm
B
mm
H
mm
P
W
Weight
Kg
77.1645003007310090
77.16560030073130108
77.16870030073170125
77.17080030073150144
77.17290030073210162
77.174100030073235180
77.178120030073248216
77.184150030083283300
77.20460035073170112
77.20670035073185131
77.212100035073255187
77.24460040073200122
77.24670040073258142
77.24775040073240153
77.24880040073226163
77.25090040073310183
77.252100040073280203
77.256120040073404270
77.262150040083428337
77.263200040083520449
77.32260050073233157
77.32470050073280184
CODEA
mm
B
mm
H
mm
P
W
Weight
Kg
77.32575050073285197
77.32680050073272210
77.32890050073369236
77.330100050073330262
77.334120050073469348
77.335125050073425362
77.336130050083415466
77.338140050083510502
77.340150050083552434
77.350200050083654578
77.355250050083883897
77.40480060073266260
77.408100060073306325
77.412120060073430430
77.413125060073455406
77.418150060083540538
77.428200060083607717
77.530150070083630628
77.56180080073405347
77.565100080073490433
77.570125080073780542
77.57825008008315601084

  • Normal input voltage 110V DC
FIXAR

 

PRECISION MAGNETIC SINE TABLES

  • Single piece hardened and ground base.
  • Stable chuck locking.
  • Maximum angle accuracy + 5 seconds.
  • Parallelism + 5 µ/100mm.
  • Zero slip gauge of 3mm – easy setting of small angles
  • Ideal for ultra-fine finishing in grinding and EDM operations.
  • The high precision makes them suitable for measuring purposes.
  • The bearing design ensures that a high precision is maintained over an extended period of service.

Single execution, short lift

Gauge setting: 0° to 45°


CODEA x B
(mm)
C x D
(mm)
H
(mm)
S
(mm)
WEIGHT
(Kg)
60.001140x70130x10067555.5
60.002175x100215x115768510.0
60.004255x130295x1457611520.0
60.006250x150290x1657913521.5
60.007300x150340x1657913527.0
60.008350x150390x1658713534.5
60.009450x150490x1658713544.0
60.011400x200440x2158818552.0
60.013600x300660x32095285121.0

Up to 350x150mm supplied in wooden storage case.
Test report, sine chart and manual included.

Compound execution, short/long lift

Gauge setting long side: 0° to 45°
Gauge setting short side: 0° to 30°


CODEA x B
(mm)
C x D
(mm)
H
(mm)
S1/S2
(mm)
WEIGHT
(Kg)
62.002175x100210x140104160/11515.0
62.004255x130290x170120165/11032.0
62.007300x150335x190123245/14043.5
62.008350x150385x190123340/16049.5
62.011400x200435x240124390/21073.0

Supplied in wooden storage case with test report, sine chart and manual.

Other models on request.
Alterations reserved.

FERROMAX

 

RECTANGULAR PERMANENT MAGNETIC CHUCKS.

  • High holding power for heavy machining operations such as milling and planing.
  • Ceramic magnets – never decreasing magnetic force.
  • Very low magnetic field – no magnetization of tools.
  • Small pole pitch – easy machining of small and thin workpieces.
  • Silver brazed top plate and heavy cast body for maximum stability and accuracy.
  • Oil reservoir provides constant lubrication – extreme longevity.
  • Double magnet system provides the highest power of all permanent magnetic chucks.
  • Ceramic magnets guarantee an everlasting magnetic power.
  • Small pole pitch of 13mm – extremely low magnetic field created.
  • The magnetic force lines pentetrate only 7 to 8mm into the workpiece.
  • Thin workpieces can be maintained without chips sticking to workpiece surface.
  • Available with transverse poles (Model B) and longitudinal poles (Model C).
  • Both models have a silver brazed top plate, and heavy cast body filled with oil for internal self-lubrication.

 

Model B

 

Model C

 

FERROMAX

 

CIRCULAR PERMANENT MAGNETIC CHUCKS FOR GRINDING AND TURNING.

  • High holding force.
  • Precision construction with silver brazed top plate.
  • Low concentrated field.
  • Variable holding power with smooth actuation.
  • For additional holding of small workpieces or for accurate and quick positioning of parts, locating holes “F” mm deep can be drilled and tapped in the steel poles on the chuck surface to accommodate stops or other quick centering devices.
  • All rotary chucks are constructed with detachable operating handles for safe usage.

 

 

NEOMILL

 

POWERFUL PERMANENT MAGNETIC CHUCK FOR CHIP REMOVAL OPERATIONS.

  • Double neodymium magnet pack generates an exceptionally high holding force on workpieces with an uneven or rough contact surface.
  • Low magnetic field, concentrated over the top plate without stray fields. No chip contamination of workpiece surface and cutting tool.
  • Transverse, close pole division of 11mm of steel and 4mm of brass allows optimal holding of workpieces being just 26mm long and 6mm thick. The top plate can be drilled and tapped to accommodate pins, pegs or other clamping aids.
  • Sturdy construction designed to take a heavy load. Vibrations are damped, contributing to machining accuracy.
  • Standard execution with back rest, end stop and actuating shaft with hexagon-socket.
  • Nominal holding force: 120 N/cm2.
  • Usable top plate life: 6mm.
  • Supplied with allen key, set of clamps and manual.

 

 

CODEA (mm)B (mm)H (mm)Weight (Kg)
15.0252501505617
15.0353501505624
15.0454501505631
20.0303002005626
20.0404002005635
20.0505002005644
20.0606002005652
NEOSPARK

 

PERMANENT MAGNETIC CHUCK FOR SPARK EROSION AND PRECISION GRINDING.

  • Low profile (height) of merely 35mm. The Neospark chuck can be put on a pallet without creating weight and height problems, both in manual and robot pallet changing systems.
  • Excellent holding force of up to 100 N/cm2 and micro pole pitch allowing to hold very small and thin workpieces.
  • Height of the magnetic field being just 6mm and the absence of stray magnetic fields allow sparking operations close to the chuck surface.
  • No clogging up of the hexagon-socket of the actuating shaft thanks to the removal stud allowing to redress the top surface.
  • The smooth and flush faces of the chuck further the low “contamination sensitivity” to spark erosion particles allowing easy cleaning and adding to the overall accuracy.
  • The Neospark chuck is also available as sine table in short and long lift version.
  • Usable top plate life: 5mm.
  • Supplied with allen key, set of clamps and manual.

 

 

CODEA (mm)B (mm)C (mm)H (mm)Weight (Kg)
31.01717510012037.55
31.32525513020037.510
31.5151501509537.57
31.52525015019537.511
31.53030015024537.513
31.53535015029537.516
31.54545015039537.520
32.04040020034537.524
NEOMICRO

 

SUPER ACCURATE, MICROPITCH PERMANENT MAGNETIC CHUCKS FOR PRECISION GRINDING

Maximum grinding accuracy for small and thin components

  • Extremely stable construction having a one piece body and a top plate with solidly pressed micro-laminations.
  • Unique actuating mechanism eliminates switching deformation.
  • Uniform magnetic force distribution over the entire working area.

Maximum grinding efficiency

  • Neodymium magnetic system generating 30% higher force compared to other micropitch chucks.
  • Top plate with virtually 100% active surface without weak areas.
  • Very low magnetic field allowing easy disposal of grinding dust.
  • Low construction height allowing maximum wheelhead clearance and to use the Neomicro on top of another chuck.

Long and trouble-free chuck life

  • Perfectly sealed against water ingress, high grade, adequately protected.
  • Neodymium magnets.
  • Solid, smoothly operating actuating mechanism with allen key.

 

 

CODEA x B (mm)C (mm)WEIGHT (kg)
01.017175 x 100487
01.020200 x 100488
01.025250 x 1004810
01.325255 x 1304813
01.515150 x 150519
01.525250 x 1505115.5
01.530300 x 1505118.5
01.535350 x 1505121.5
01.540400 x 1505124.5
01.545450 x 1505127.5
02.040400 x 2005133
02.050500 x 2005141
02.060600 x 2005149
02.550500 x 2505656
03.050500 x 3005667
03.060600 x 3005681
HAND MAGNETS

 

QUICK AND EASY HANDLING, LIFTING AND COLLECTING.

 

Model WRM

Magnet with leather strap to attach to palm or wrist for picking up thin plates from the stack.

MODELWRM
Magnet L x W x H (mm)58 x 37 x 14
Lift Capacity max. (kg)20
Weight (kg)0.1
Code No.80.31.003

Model HM-S1

“Handy” magnet with release handle to pick up small components or destacking plates.

MODELHM-S1
Magnet L x W x H (mm)92 x 50 x 35
Overall H (mm)122
Lift Capacity max. (kg)50
Weight (kg)0.9
Code No.80.31.002

 

 

Models MC-1, MC-2, MC-3 and MC-4

Magnetic “claws” with release handle for lifting and dragging plates and other flat workpieces.

MODELMC-1MC-2*MC-3MC-4*
L x W x H (mm)140 x 116 x 30160 x 150 x 27180 x 160 x 34250 x 40 x 40
Lift/drag cap. (kg)140/85120/35300/180140/35
Weight (kg)1.9(plastic body) 1.4 3.52.8
Code No.80.31.00190.04.00280.31.00780.31.008

*Models MC-2 and MC-4 are particularly suited for picking up single tin plates from the stack.

 

Models SM-1, SM-2 and SM-3

Switchable hand magnets with a deep magnetic field for collecting swarf or sorting steel objects.

MODELSM-1SM-2SM-3
L x W x H80 x 80 x 190110 x 110 x 190215 x 110 x 190
Capacity (kg)71220
Weight (kg)1.42.2 4.2
Code No.80.31.00480.31.00580.31.006
MAGNETIC WORKHOLDING FOR GRINDING

 

ELECTRO-PERMANENT MAGNETIC CHUCKS

 

A range of powerful, reliable and waterproof Electro-Permanent magnetic chucks for all surface grinding applications.

The Electro-Permanent technology consists in changing the magnetic state of the chuck by means of short electric pulses. Once the pulses are completed the magnetic chuck keeps its new state, magnetized or demagnetized, even in case of power supply failure.

The advantages of Electro-Permanent technology are unquestionable:-

  • SAFETY: The holding force is maintained even in case of power supply failure
  • PRECISION: Without heating, the magnetic chuck keeps geometry.
  • ECOLOGICAL: No continuous energy consumption.

 

 

EPEGRIP

Electro-permanent magnetic chuck for clamping of medium thick to thick elements.

Workpiece typeMinimum thickness 8mm*
Pole pitch15mm + 6mm
ConstructionSteel+resin, without top plate
Surface Wear5mm
AccessoriesEnd stops in both directions
OptionsBrass separators, through-going holes

 

FULL DEMAGNETIZATION

Electro-Permanent chucks integrate the full demagnetization concept. During demagnetization cycle, the Alnico magnets are completely demagnetized due to a series of decreasing electric impulses.

The full demagnetization permits to reach the lowest possible residual magnetism level in the workpiece, including the workpieces made of high-alloy steel.

UNIPERM

Universal Electro-permanent magnetic chuck for clamping of thin elements.

Workpiece typeMinimum thickness 4mm*
Pole pitch4 + 1 + 4 + 1 + 4 + 5mm
ConstructionSteel and brass, with top plate
Surface Wear6mm
AccessoriesEnd stops in both directions

 

APPLICATIONS

The choice of magnetic chuck is determined by the size of the workpiece as well as the type of grinding to be realized.

EPEFINE2

Universal Electro-permanent magnetic chuck with extra thin pole pitch, can be used for EDM applications. Ideal for clamping of very thin elements.

Workpiece typeMinimum thickness 2mm*
Pole pitch4mm + 1mm
ConstructionSteel and brass, with top plate
Surface Wear6mm
AccessoriesEnd stops in both directions
OptionsThrough-going holes

*The indicated thickness permits to reach the optimal utilization conditions. Nevertheless thinner workpieces can also be machined.

 

FEATURES AND SIZES

EPEGRIP

UNIPERM

EPEFINE

CONTROL UNITS

Control Units permit to control all Electro-Permanent magnetic chucks. Resulting from many years of research and experience, they permit to exploit the advantages of Electro-Permanent technology with recognized reliability.

ADJUSTABLE MAGNETIZATION

Equipped with the newest, microprocessor based remote control T10, the control unit permits to adjust the holding force of the magnetic chuck with a 20 steps resolution.

FULL DEMAGNETIZATION

The demagnetization cycles are optimized for each type of chuck. It is also possible to customize the cycle on request by means of DB9-RS232 connector.

MULTIPLE CHUCKS

Control Units can control several Electro-permanent magnetic chucks at the same time. For instance, one control unit, BUR-80 can control up to 8 magnetic chucks.

SPECIFICATIONS

Power Supply Voltages230-400-415 VAC
On request voltages460 VAC
Mains frequencies50/60Hz
Remote control cable3m
Housing materialSteel
Protection indexIP66

 

PENDULAR CONTROL UNIT

It is also possible to control the magnetic chucks is a pendular way by magnetizing or demagnetizing two groups of chucks separately. For instance, one control unit BUR-40P will permit to separately control 2 groups of 4 magnetic chucks each.

MACHINE INTERFACE

Control units include an interface permitting to pilot and to control the magnetic chucks from the machine’s PLC. The safety information contact is available to control the correct operation of magnetic systems.