Magnet Clamping Prisma PMP

The switching magnet prisms are used during grinding, eroding or measuring.

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Size [mm]

Technical data

Model	Dimensions [L x W x H]	max. Ø	min. Ø	Tolerance
	[mm]	[mm]	[mm]	[µm]
PMP75 (Pair)	75 x 75 x 56	40	5	5
PMP100 (Pair)	100 x 95 x 70	65	5	5

Model

Dimensions

[L x W x H]

max. Ø

min. Ø

Tolerance

[mm]

[µm]

PMP75 (Pair)

75 x 75 x 56

PMP100 (Pair)

100 x 95 x 70

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The V-shape magnetic prisms are employed for grinding and electric discharge jobs as well as useful helpers in metrology rooms when round and complex workpieces are to be safety and precisely clamped.

The four ferrous clamping surfaces can be easily switched on and off through the switches. This makes the placement of magnetic prisms quick and easy. They are available as match-ground pairs.

Data sheet

The permanent magnet system is moved inside when it is switched on and off, e.g. by operating a lever. It consists of a pole plate and a magnet body. When switched off, the pole plate is not exactly congruent with the magnet body, which leads to a magnetic short circuit (Figure 1). When switched on, the pole plate is congruent with the magnet body and the magnetic circuit can only be closed via the workpiece (see Figure 2).

Features:

Permanent magnets work without electricity, are mobile and reliable.
The size and adhesive force of a magnet system are limited by the internal mechanical friction.
A permanent magnet can be demagnetized by strong external magnetic fields or a temperature of more than 80°C.

Minimizing setup times by quick and easy clamping
Increased tool life by low-vibration clamping
5-sided machining

All Assfalg electro-permanent magnetic chucks are equipped with a maximum of poles in the relationship to the size of the chuck.

If you review a price comparison, it is important for you, to analyze the clamping force of the chuck, because not the size of the chuck is important for the clamping force but the numbers of the poles are crucial for the clamping force of the magnetic chuck. It can mean that you will have bigger price differences by the same size of the magnetic chucks.

Do you have any questions? We will be happy to advise you individually.

You have already informed yourself about magnetic clamping, but for you are the advantages of the different Electropermanent Square Pole Chucks not yet understandable? Before you decide for a Electropermanent Magnetic Chuck, represented on the market, please ask you the following questions:

Which chuck is for your individual application advantageous?
Which special technical characteristics have the different electropermanent magnetic chucks?
Which material do you work?
Which thickness have your work pieces and how big are they?
How often is the processing of workpieces?

The electropermanent magnetic chuck from Assfalg Magnaslot is ideally suited for clamping of small and big work pieces for milling operations. Pole extensions, easily fixed on the surface of the magnetic chucks, guaranted a clamping without distortion even for uneven work pieces. The full steel body, patented and only available by Assfalg-magnets, offers an ideal protection against external influences like hot chips and coolant. If you work very big work pieces, you will get optionally a 4 channel controller, making a simultaneous switching of max. 4 magnetic chucks.

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