WO2013050013A1 - Method for producing wire and wire products - Google Patents

Abstract

The method is used for producing wire and wire products from suitably pre-notched wire strips (2) by subsequent flexing of the wires forming between the notches in the longitudinal direction thereof in order to form cracks at the bottom of the notches. The flexing process takes place over the entire width of the wire strip (2) or in successive process steps on individual narrow sections (5) of the wire strip (2), the wire strip (2) or each strip section (5) initially undergoing flexing deformation towards one side of the wire strip (2) step-by-step by several successively arranged flexing stations. Thereafter the wire is returned to the planar form of the wire strip (2). Subsequently there is a corresponding flexing deformation of the wires towards the other side of the wire strip (2) and then the wires are returned to the planar form of the wire strip (2). For single or multiple repetitions of the flexing process on the wire strip (2) or on the individual strip sections (5), the wire strip (2) is subjected to multiple reversing movements in its longitudinal direction by the flexing system.

Description

Process for the production of wire and wire products

The invention relates to a method for producing wire and wire products from suitably pre-scored

Wire vein tape by subsequent Walken the between the notches forming wire veins in the

Longitudinal direction for the formation of cracks at the notch base.

Such a method is known from WO 2008/135002. This makes it possible, starting from strip-shaped starting material wire and wire products to produce essentially in a single sequential process step sequence. Essential in this process technology is the walking of the material used here. However, increasingly larger bandwidths of

Starting material used, it is observed

procedurally increasingly larger

Relative movements between band and Walk tool transverse to the transport direction of the tape. This is especially true for correspondingly larger angles of travel. If this relative movement exceeds a certain amount, then that becomes

Walk result, namely the cracking on the notch base, uneven and is therefore a satisfactory

Work result is no longer acceptable.

The invention is based on the object to improve the method described above to the effect that even strip-shaped starting material of greater width can be processed by the Walk-separation process technology, without this quality losses would have to be accepted or a considerable mechanical effort to adjust the Walk stations to the while walking

occurring width changes of the band would have to be operated.

This object is achieved according to the invention in that the Walk over the entire width of

 Wire vein or in successive

Process steps takes place on individual narrow strip of tape vein wire, wherein the wire vein or strip initially a Walkumformung by several successively arranged Walk stations to one side (ie eg to the top) of the wire vein back experiences and then in the same way is deformed back into the plane of the wire vein, and that

then according to a Walkumformung the

Wire cores to the other side (eg to the bottom) the wire core tape out and then again the wire strands are deformed back into the plane of the wire core tape, and that for one or multiple repetition of the walk on the wire vein or the individual

Tape strip the wire vein of a single or multiple reversing through the Walk system in his

Longitudinal is subjected.

The advantage achieved by the invention consists essentially in the fact that the Walk process is carried out in "steps" or "stripes" on the wire vein band, so that the maximum occurring at the two edges of the wire vein maximum width deviations per process step can be kept sufficiently small. For this purpose, by appropriate design of the Walkrollzen the Walkanlage stepwise, so essentially several times, are bent in the same direction, whereby the Walk angle is greater with each step. Correspondingly, in the sequence, the wire band with the same step size must also be bent backwards until the wire band is flat. Subsequently, the bending process in the other direction in the same number of steps and stride length is made. Since this "back and forth" approach would require a large number of walk stations and thus an uneconomically long and expensive installation, the walk process takes place on a reversing walkway where the walk process can be easily controlled by choosing a certain number of passes. In appropriate

Way, the width changes of the wire core band are kept within reasonable limits, if the wire core band into individual, each for themselves to be walked tape strips is divided, wherein the Walk process takes place here in succession for each strip of tape.

For this walk on the basis of individual

Tape strip has proven to be advantageous in the context of the invention, when the wire core for the Walk is divided into an odd number of tape strips. This will be a symmetric

Processing of the wire vein band possible, according to a further advantageous embodiment of the invention, the wringing process advantageously begins at the innermost strip of tape and then at the two adjacent each

Tape strip to the edge of the wire vein band out

will continue.

A corresponding symmetrical workflow is achieved if an odd number of Walk stations is provided for each deflection direction of the wire strands, in which case the respective middle Walkstation the

Maximalauslenk causes.

It is also appropriate that when editing the

each strip of tape in the various degrees of flexing the Walk - regardless of the direction of the tape - always done from the inside out. For this purpose, it is within the scope of the invention advantageous if separate or reversible and driven walk stations are provided for the two Reversierrichtungen, which are activated depending on the direction of the wire vein.

Insofar as special products are also rolled according to this method, for example those which require anchor nodes, there is still the possibility of the corresponding notches to score. For this purpose, it is advantageous if in the region of the notches under a preferred large Walk angle or opening angle spreading Walkstation a scoring tool for use on Kerbgrund or for the formation of

Anchoring is provided. Depending on the configuration, the

Scoring tool in this case also be driven accordingly.

Here it is recommended to continue, if one

Scoring tool for the top and bottom of the wire core is provided.

With regard to the multiple pass of the

During the reversing walk, it is usually sufficient if the scoring tool is only used during the first complete pass (ie back and forth) by the reversing platform.

Finally, it has proved to be advantageous in the context of carrying out the method if the

Wire vein strip for reversing rolling between two

 Winding / uncoiling held under tension while doing so by appropriate reversal of the reels and

is moved back. In the following the invention is explained in detail in exemplary embodiments illustrated in the drawing; show it:

Fig. 1 is a schematic representation of the

 Reversierstufenwalkens at one between a

Uncoiled and coiled wire vein strip, Fig. 2 is a side view of the illustration according to

 Fig. 1,

Fig. 3 is a representation corresponding to FIG. 1 of

 Reversierstreifenwalkens, so on individual tape strips of the wire vein,

Fig. 4 is a side view of the illustration according to

The reproduced schematically in Figs. 1 to 4

Method is used to produce wire and wire products from suitably pre-scored wire vein 2. For this purpose, the wire core 2 is drummed following the notch, which form cracks on the notch, so that

between the notches 1 in the longitudinal direction of

Drahtadernbandes 2 wire cores are formed.

In the method according to the invention, the

Walk across either the entire width of the

 Drahtadernbandes 2 or in successive

Process steps on individual narrow strip of tape 5 of the wire core 2. This experiences the wire core 2 or each

 Tape strip 5, first a Walkumformung the individual wire 3 gradually through several successively arranged Walk stations 4 to one side of the

Drahtadernbandes 2 out and is then deformed back in the same way in the plane of the wire core 2 back.

Subsequently, according to a Walkumformung the wire leads 3 to the other side of the wire core 2 out, whereupon again the wire wires 3 in the planes of the Reinforced wire vein strip 2. This is indicated in Fig. 1 by the stages -1 to -3 and +1 to +3, while the level 0 is the plane ground state of

Wire vein tape 2 displays.

To be able to repeat this flexing deformation one or more times, the wire core 2 or the individual

Tape strip 5 of a single or multiple

 Reversing moved in its longitudinal direction, as indicated in each case by the double arrows 7 in Figs. 1 to 4.

If the flexing process is performed on individual tape strip 5, a subdivision of the

Drahtadernbandes 2 preferably in an odd number of tape strips 5, as in the example of FIG. 3 - here at five tape strips 5 - is indicated.

As can also be seen from the arrow-like representations within the individual tape strips 5 of FIG. 3, the waving process expediently begins at the innermost tape strip 5 and is then continued at the two respectively adjacent tape strips 5 as far as the edge of the wire wire tape 2.

Accordingly, as can be seen from Fig. 2, depending

Deflection direction of the wire cores 3 an odd number of Walk stations 4 is provided. In Fig. 2, these are the stations between the respective no deflection

causing stations named 0. In order to always be able to work from the inside to the outside during the processing of the respective strip strips 5 in the various flexing stages, these are for the two

Reversing directions separate or reversible

Walk stations 4 are provided, which are activated depending on the direction of the wire core 2. Thus, in Fig. 4 in running direction from left to right, the left six

Walkstations 4 active and the right six open

the opposite is the opposite

Direction. Next is indicated in Fig. 2 that - as far as in the processing of the respective

Band material is required or desirable - a scoring in the notches can be made. For this purpose, in the region of the notches under a preferably large angle of travel or opening angle-spreading wiping station - in this case at -3 or +3 - a scoring tool is provided for use on the notch base.

As can be seen from the drawing, in each case a scoring tool 6 for the top and the bottom of the wire core 2 is provided. Since the use of the scoring tool 6 is usually necessary only during the first pass through the Reversierwalkanlage, this is

Scoring tool formed advantageous in undeliverable in the drawing manner.

To the reversing rolling under constant

To be able to carry out working conditions will be

Drahtadernband 2 for Reversierwalken between two

Winding / uncoiling held under tension while doing so by appropriate reversal of the reels and

moved back.

Claims

Claims: A method of manufacturing wire and wire products from suitably pre-scored wire core tape (2) by then swaging the wire cores formed between the notches in the longitudinal direction thereof to form cracks at the notch base  characterized in that the Walk over the entire width of the wire core (2) or in  successive process steps on individual narrow strip of tape (5) of the wire core (2), wherein the wire core (2) or each  Tape strip (5) first a Walkumformung  Stepwise through several successively arranged Walk stations to one side of the wire vein belt (2) back out and then in the same way in the plane of the wire vein belt (2) is deformed back, and then according to a Walkumformung the  Wire cores to the other side of the wire core tape (2) out and then again the wire wheels in the plane of the wire core (2) are deformed back, and that for one or multiple repetition of the Walk on the wire core (2) or to the  individual tape strip (5) the wire core tape (2) is subjected to a single or multiple reversing movement through the Walk system in its longitudinal direction. 2. The method according to claim 1, characterized in that the wire core band (2) for the Walk process in an odd number of tape strips (5) is divided. A method according to claim 2, characterized in that the waving process begins at the innermost tape strip (5) and then at the two respectively adjacent ones Tape strip (5) is continued to the edge of the wire core tape (2). Method according to one of Claims 1 to 3, characterized in that the deflection direction of each An odd number of walk stations is provided. Method according to one of Claims 1 to 4, characterized in that separate or reversible wiping stations are provided for the two reversing directions, which depending on the running direction of the Wire core tape (2) are activated. Method according to one of claims 1 to 5, characterized in that a scoring tool (6) is provided for use on the notch base or for the formation of anchors in the region of the notches under a preferably large Walk angle or opening angle. A method according to claim 6, characterized in that in each case a scoring tool for the top and the bottom of the wire core tape (2) is provided. A method according to claim 6 or 7, characterized in that the scoring tool is only used during the first complete pass (ie back and forth) by the Reversierwalkanlage. 9. The method according to any one of claims 1 to 8, characterized in that the wire vein belt (2) for reversing between two reeling / uncoiling held under tension while being moved back and forth by appropriate reversal of the reels.