Torrington Swager and Vaill End Forming Machinery Inc. [ Process

STRAIGHT IN-LINE

The principle of the traditional "STRAIGHT IN-LINE" forming machine is mainly the "pushing method". It is also named "ram end forming" or "straight push" or "push thru swaging".

The workpiece is fixed in the working position by a clamp block (2). The forming dies (1) are "pushed" in or over the workpieces (3). The forming length is determined by the position of the workpiece in the clamp blocks and the stroke of the cylinders that displace the dies.

Since neither the die nor the workpiece is rotating, non-symmetrical or other sophisticated profiles can be achieved by this method. If the workpiece is a tube, both the outside and inside of the tube can be formed accurately simultaneously or in a sequence.

You can obtain : bead, flange, flare, trim, expand, reduce or assembly.

ROTARY FORMING

The principle of the "ROTARY FORMING" is mainly an eccentric mandrel (1) which rotates inside the tube (3), fixed by the clamp block (2).

At the beginning of the cycle, the mandrel is in the centre of the tube, and then is gradually moved (by a hydraulic cylinder) in a radial direction, producing the forming operation. When forming is complete, the mandrel moves back to the centre position and the clamp block opens, allowing the formed workpiece to be removed.

You can obtain : bead, flange, flare, trim, expand in any combination you need.

See examples of parts in our applications section.