Lexicon of bending

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Lexicon of bending2018-10-17T23:10:29+00:00

Lexicon of bending

Determination of the values

Determination of the values

Like many other branches the bending branch has its own language. Understanding these technical terms is a clear advantage.

When inquiring it makes sense to speak the same language. This way all involved know what they are talking about, it spares a lot of time and avoids uncertainties, resulting in bending parts according to your demand.

Here you will find a description of the technical terms that are necessary to describe a bending part:

Bending shape:

describes in which direction the profile should be bend, often called the easy (y-y axis) or the hard way (x-x axis). You can find the possible bending shapes in our data sheet „bending shapes“.
The desired shape is critical in the enquiry stage because of the technical feasibility.

Degree of bend:

see the illustration on the top. Describes the angle (Winkel) to which the bend is formed

Bend radius:

see the illustration on the top. Describes the arc of the bend itself, usually taken at the centerline, as we do.
(The available tools and possibilities you’ll find in our data sheets „toolkit mandrel bending“ and „toolkit ring bending“)

Arc lentgh:

see the illustration on the top. Describes the outer length (Bogenaussenlänge) of a surface.

Rise ordinate and chord:

see the illustration on the top. Chord (Sehne) describes the straight distance measured between the centerline points of any two points of a bend. Rise ordinate (Stich) describes the distance of offset between the mid point of a chord and an arc, perpendicular to the chord.

A combination of these values gives the desired radius.

Tangent:

see the illustration on the top. Straight section of material (Anbiegeende) on either side of the bend or arc. May be any length. In order to make the bend itself, there has to be sufficient material at each end during the bending process. Excess may be trimmed after.

Bending coordinates:

The data after which is produced in rotary draw bending.
The determination of the bending coordinates is described in detail in our data sheet „bending coordinates“.

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