Neodymium Cube Magnets 10mm

A 10 mm neodymium cube magnet is a sintered NdFeB cube ground on all six faces to one size. It gets specified when a drawing has a square pocket instead of a rectangular one. Two opposite faces carry the poles, and the other four are flat and square to them. Geometrically, the cube can fit into its pocket in several orientations, which is the case for choosing it over a block; the pole faces are the only thing that has to be fixed.

On this shape, grinding is part of making the part. A pressed blank comes out slightly out of square, and a cube that is a hair off will bind in a pocket in one orientation and rattle in the next. All six faces are therefore ground, and the edges are broken afterwards so the plating survives the first drop. Edge length is held to about ±0.1 mm, with face squareness controlled during grinding, so the pocket should be drawn with those tolerances in mind.

Weight is the number buyers bring back most often on a cube. Two hundred pieces at 10 mm come to a kilo and a half of alloy, paid for once in material and again in freight, which makes a move from 8 mm to 10 mm a question purchasing will ask.

Weights are calculated using an approximate NdFeB density of 7.5 g/cm³. Actual finished weights may vary slightly with coating and dimensional tolerances.

Pull is quoted together with the steel it was measured on, because a figure given without it cannot be compared with another supplier's number. The actual holding force depends on the magnet grade, steel thickness, contact conditions, and testing method.

Two of the six faces carry the poles, and which pair depends on the job. A cube clamping down onto a table needs the pull on the face that sits against it. A cube standing in a pocket to locate a plate needs the pull on the face that meets the plate. For that reason, the registering face is the first thing asked in a design review, ahead of any N42 versus N52 discussion.

The equal-sided profile also makes 10x10x10 mm neodymium cube magnets useful in compact fixtures and assemblies where a square recess provides mechanical positioning. The pocket locates the magnet, while the selected pole orientation determines the direction of magnetic attraction.

N42 is the standard material, with N52 available on request where the operating conditions allow. The alloy can also be specified without terbium or dysprosium when required. Coating, pole marking on the registering face, and packing arrangements can be confirmed from the same drawing.

If a design needs a 10x10x10 mm neodymium cube magnet, send the quantity, the pocket it drops into, and which face has to pull. Grade, coating, and magnetising are confirmed before a quotation goes out. Other edge lengths are ground to drawing.

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