Videx extends diameter range for extrusion machines 28 August 2023

Videx Machine Engineering Ltd has expanded the capabilities of its bar-end extrusion machines for drawn and hot rolled bars, with them now available in a diameter up to 100mm. 

The Videx Extrusion Machines (VEM) reduce the diameter of bars from major diameter to pitch diameter. The bars are extruded to enable thread rolling in an automatic process, without having to peel or turn the bar ends. The VEM line handles cold drawn, hot rolled (scaled), and ribbed bars, and is available as either independent machines or part of a line. Hand-Feed machines are also available for long bars, headed parts and bent shapes.

When extruding hot rolled bars, the extrusion die breaks the scale and draws the bars to the pitch diameter, leaving a clean face that results in good thread quality. The VEM series is equipped with automatic oiling that applies extrusion oil around the bars before the extrusion starts.  

A typical line starts with a bar shear, which crops the bars to length and chamfers them prior to the extrusion. Other stations available are induction heating, forging of heads and thread rolling.

Each model in the VEM line covers a wide diameter range, from 5m to 25mm and now up to 100mm. The VEM models are also available with higher tonnage ratings for upsetting, and heading, and can be supplied with 1 or 2 stations with either open dies and closed, as well as heading tonnage up to 400 tonnes. Fully automatic machines are also available, working from up to 25mm in diameter. 

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