MANUFACTURING TECHNOLOGY New extrusion machine from Videx
Videx has recently released a brand new extrusion machine that allows extrusion of hot-rolled, scaled bars from major diameter to pitch diameter, allowing thread rolling of the bars without having to peel or turn the scale.
equipped with bar feeders. When hand feeding, an operator slides the bars into the machine through a hole, so he is not exposed to any danger. Being open in front, the machine has no maximum length restrictions, and can also be used with very long parts.
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Automatic feeders are available for both short and long parts. In this case, the machine is equipped with a one-row magazine, from which the feeder takes the parts, feeds them into the machine and ejects them at the end of the operation, without operator
interference. The machines are also equipped with a spray system that applies extrusion oil around the bars before
the extrusion starts. Alternatively, the bars can be fed already oiled with extrusion oil. The major advantage of this magazine is the ability to feed both short and long parts into the machine, using one
set of gripper dies for the entire range of part lengths. Each model in the VEM line covers a large range of wire diameters. The smallest machine in the line will cover the diameter range
of 5mm to 25mm, and will handle short parts starting from 70mm long. The largest model will extrude 100mm bars. The VEM models are available with higher tonnage ratings for upsetting and heading. The machines can be supplied with 1 or 2 stations with either open dies and closed dies and heading tonnage up to 400 tonnes.
High efficiency nail production
ENKOTEC’s in-line nail manufacturing solution features a balanced combination of well-proven systems and modern technology enabling it to achieve its wish of constantly putting its customers first.
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NKOTEC’s current high-capacity nail machines, the NX series, are designed according to a modular principle with a basic machine and six machine variants.
ENKOTEC has widened the dimension range of its nail manufacturing machines, as it is possible to cover nail lengths from 32mm up to as much as 130mm (1¼ inch to 51
/8 inch) and wire diameters from 1.8mm to 4.2mm (0.071 inch to 0.165 inch). The NX
machines come with a PLC control system and touch screen operator interface, which is easy to navigate and allows quick setup of nail parameters. ENKOTEC’s newest nail machine, type MI01, intended for small and midsize capacity needs, is producing 1,000 nails per minute at diameters 2.3mm - 3.8mm (0.090 inch to 0.150 inch) and nail lengths 50mm - 90mm (2 inch to 3½ inch). The MI01 features simple adjustments, quick tooling changeovers, easy access for cleaning and service, and long tooling life among other advantages. ENKOTEC sees its MI01 model as a strong alternative for its customers’ capacity needs, whether they produce one single nail type or several different nails. The MI01 combined with its high-end NX series allow ENKOTEC to offer a complete range of nail machines, where many tooling parts are common for all machine models, thus increasing their cost effectiveness. The latest innovation from ENKOTEC is its movable stand-alone packaging machine, type NCP02. The system offers the
possibility of in-line nail production in a complete, automated nail manufacturing process. The NCP02 automatically feeds the nail cartons, fills them with the accurate number of nails, and transports the nail cartons via automatic drive belt conveyors. All of this can be done in-line with a standard ENKOTEC nail machine or thread rolling machine.
86 Fastener + Fixing Magazine • Issue 72 November 2011
idex explains that the extrusion die breaks the scale and draws the bars to the pitch diameter, leaving a clean face that results in very good thread quality. The VEM machines can be fed either manually or be
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