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Magnets and magnet systems


 

Permanent magnetic chucks with fine transverse pole spacing for grinding processes


The chucks are designed specifiically for the machining of workpieces of less than 5 mm thickness and 15 mm diameter or 15 mm square section.

Optimum holding facility for large workpieces is similarly possible.

A powerful permanent ceramic magnet system, a close pole step and the small overall height makes ist usable for a large numer of tasks.

The design of the cast iron basic section and the hardsoldered top  plate, as well as a ceramic magnet system, ensure an extremely long and maintenance-free life.

The magnet systems can also be used to spark erosion machines.

Curve of lines of force: approx.  8 mm above the pole plate, consequently no magnetisation of the tools

Pole spacing: Steel 6 mm / Brass 1,5 mm / Steel 2 mm / Brass 1,5 mm
Holding power: max. 80 - 100 N/cm² (≙ 8 - 10 kg/cm²)


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drawing chucks for grinding

Article no. A B C D E F Number Execution Weight
mm mm mm mm mm mm of switches kg
BM 62.001 100 65 119 62 10 54 1* A 3
BM 62.901 125 75 138 72 10 57 1* A 4
BM 62.002 150 100 165 102 15 65 1* A 7
BM 62.003 200 100 213 102 15 65 1* A 9
BM 62.004 255 130 265 127 15 65 1* A 13
BM 62.900 150 150 158 147 19 65 1* A 10
BM 62.006 250 150 258 147 15 65 1* A 15
BM 62.007 300 150 308 147 15 65 1* A 18
BM 62.008 350 150 358 147 13 65 1 A 21
BM 62.009 400 150 410 147 15 65 1 A 23
BM 62.010 450 150 458 147 15 65 1 A 26
BM 62.902 300 200 304 197 20 84 1 A 28
BM 62.011 400 200 413 197 15 72 1 A 32
BM 62.012 500 200 515 197 15 72 1 A 40
BM 62.013 600 200 615 197 15 72 1 A 48
BM 62.014 450 250 445 246 20 93 1 B 57
BM 62.015 500 250 495 246 20 93 1 B 64
BM 62.016 500 300 495 296 20 93 1 B 90
BM 62.017 600 300 595 296 20 93 1 B 100
* The shaft does not project from the chuck and can be handled using an Allen key.

Further dimensions on request.

Machining of the upper plate possible without impairing the holding power (steel 15 mm / non-ferrous 7 mm). Attachment of the chucks to the machining table by means of clamping lugs. The chucks are supplied with 2 stops as standard.


Safety switch for permanent magnetic chucks for processing machine

If necessary, the magnetic chucks of the series BM 60....., BM 61..... and BM 62.... can be fitted with an additional safety circuit.

This proximity switch monitors the "on / off" state of the magnetic chucks and ensured that the commissioning of the machine is possible only when the chucks switched on. When a power failure or power cut off during machining, the workpiece remains tense due to the permanent holding force..

More information on request.



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