Wire Guides and Straightening Rollers

The straightening of cables, strips and wires is performed in successive stages until the final product is obtained. During the drawing process, abnormal forces and stresses accumulate in the material as it is wound and stocked on reels or bobbins. For every production step, it is therefore necessary to carry out the inverse process by taking the material off its support and re-straightening/de-stressing it. It is at these moments that a quality straightener roller assembly is needed. The straightener assembly carries out three important functions:

1

The straightening process, consisting of returning the wound material back into its original straight shape. The operation is carried out by the first straightening rollers.

2

The removal of any residual stresses in the steel. This operation is performed by the rollers located in the central part of the straightener.

3

The further straightening and destressing of the wire carried out by the last rollers on the straightener, generally placed at an angle of 90° compared to the angle of the 􀤝rst rollers.

Often it is necessary to combine these three steps. That is the reason why the straightener uses 5, 7, 9, 11 or even 13 rollers placed in two planes.

The manufacturing precision of the roller has a major influence on the quality of the final product (wires) as well as on the service life of the rollers. It is therefore essential that the ground “V” groove on the outer ring is machined and positioned precisely relative to the internal geometry. WIB only produces straightener roller bearings produced in this fashion, while many other producers machine the outer wire guide groove after assembly

Grinding this notch on an assembled standard bearing is risky, as the uniformity and geometrical precision cannot be guaranteed. The service life of the roller is shortened and the quality of the final wire product suffers.

Among numerous applications using thread guides and straightening rollers, WIB has managed to make a name for itself in the field of specialized wire drawing companies, producing steel cables for the tire industry. The following machines use the same type of precision straightener rollers:

  • Machine tools for fiberglass cables (lawn mowers)
  • Machines for spring manufacturing
  • Machines for metal wires
  • Machines for spooling, un-spooling and rewinding
  • Fine and high precision wire drawing

WIB is equipped with all the necessary tooling and equipment for the production of such bearings, as well as many years of application experience in improving bearing life, final product quality, and lengthening maintenance cycles. Some of the products we have designed in the past are special designs offered exclusively to the OEM.

Examples of wire guides and straightening rollers

DIMENSIONS DESIGNATION ANGLE OF CONTACT W PROFILE SPECIFICATIONS LIMITING SPEEDS BASIC LOAD RATINGS ABUTMENT DIMENSIONS MASS
d D B mm Inch C T e mm R max ß Oil Grease Contact seals Dyn. CR kN Stat. Cor kN da min mm ~ gr
0 26 24          7         A0KM00 - 6.29 2.1 - 90 36 30 20 3.28 1.36 10 25.3
3 10 4 4 A300 - 0.61 0.26 0.1 90 48 40 26 0.644 0.229 4.2 1.6
  10 4 4 A302 - 0.7 0.31 0.1 90 48 40 26 0.644 0.229 4.2 1.4
  11 17 16 AT3M00 - 0.6 0.26 0.1 90 48 40 26 0.991 0.457 4.2 7.8
  13 4 4 A301 - 0.6 0.26 0.1 90 48 40 26 0.644 0.229 4.2 3.3
  13.2 6 7 AKMST3ES00 20 5.96 1.41 2.05 120 48 40 26 1.01 0.44 4.2 3.3
  15 23 4 A303 - 0.93 2 - 20 48 40 26 0.644 0.229 4.2 8
4 12 4 4 A404 - 0.914 0.35 0.4 80 43 36 24 0.712 0.272 4.8 2.45
  13 5 5 A401 - 0.6 0.27 0.1 90 45 38 24 1.3 0.486 5.6 3.2
  13 5 5 A405 - 1.044 0.4 0.43 80 45 38 24 1.3 0.486 5.6 3.1
  13 5 5 A406 - 0.8 0.36 0.1 90 45 38 24 1.3 0.486 5.6 3.2
  13 5 5 A400 - 1.45 0.6 0.3 90 43 36 24 0.712 0.272 4.8 3.8
  13 5 5 A407 - 0.95 0.25 0.15 120 45 38 24 1.3 0.486 5.6 3.2
  13 5 5 A408 - 0.87 0.4 0.1 90 45 38 24 1.3 0.486 5.6 3.2
  13 5 5 A409 - 0.7 0.35 0.1 60 45 38 24 1.3 0.486 5.6 3.1
  13 5 5 AL400 - 1.044 0.4 0.43 80 45 38 24 1.3 0.486 5.6 3.2
  13 17 16 AT4M00 - 0.6 0.26 0.1 90 45 38 24 2.01 0.97 5.6 10.4
  14 5.4 5 A4M02 - 3 0.6 0.3 135 43 36 24 1.3 0.486 4.8 4.66
  16 5 5 A402 - 1.33 0.54 0.5 90 43 36 22 1.88 0.681 6 5
  17 5 5 A403 - 1 0.4 0.3 90 43 36 22 1.88 0.681 6 6
  18 5 5 A410 - 2.08 1 0.1 90 43 36 22 1.88 0.681 6 6.2
5 13 9 8 AT5M05 - 1.5 0.71 0.1 90 45 38 24 2.01 0.97 6.6 6.5
  16 5 5 A500 - 2 0.56 0.1 120 43 36 22 1.88 0.681 7 4.6
  16 5 5 A501 - 1 0.46 0.1 90 43 36 22 1.88 0.681 7 4.8
  16 5 5 A506 - 1.47 0.65 0.2 90 43 36 22 1.88 0.681 7 5.54
  16 5 5 A509 - 1.5 0.71 0.1 90 43 36 22 1.88 0.681 7 4.7
  16 5 5 AL500 - 2.25 0.6 0.3 120 43 36 22 1.88 0.681 7 5.54
  16 5 5 AL501 - 1.39 0.55 0.75 60 43 36 22 1.88 0.681 7 4.9
  16 5 5 AL502 - 1.39 0.55 0.75 60 43 36 22 1.88 0.681 7 4.9
  16 5 5 AL503 - 1.39 0.55 0.75 60 43 36 22 1.88 0.681 7 4.9
  16 10 10 AT500 - 1.8 0.86 0.1 90 43 36 22 2.83 1.37 7 9.4
  16 17 16 AT5M00 - 1 0.46 0.1 90 43 36 22 2.83 1.37 7 14.7
  16 17 16 AT5M01 - 2.08 1 0.1 90 43 36 22 2.83 1.37 7 13.7
  16 17 16 AT5M04 - 1.8 0.86 0.1 90 43 36 22 2.83 1.37 7 13.7
  17 6 6 A508 - 1 0.46 0.1 90 41 33 22 1.48 0.618 6.5 6.4
  17 8 7.5 AT5M02 20 5.3 1.5 - 100 45 38 24 2.06 0.941 6.6 8.4
  17 8 7.5 AT5M03 20 4.43 1.44 0.5 110 45 38 24 2.06 0.941 6.6 8.4
  19 6 6 A502 - 1 0.46 0.1 90 38 32 22 2.46 1.05 7 8.8
  19 6 6 A510 - 2 0.56 0.1 120 38 32 22 2.46 1.05 7 8.6
  19 6 6 A511 - 1.5 0.71 0.1 90 38 32 22 2.46 1.05 7 8.4
  21 6 6 A507 - 2.34 0.965 0.5 90 38 32 22 2.46 1.05 7 11
5.5 16 17 16 AT5,5M00 - 2.08 1 0.1 90 43 36 22 2.83 1.37 7.3 13.1
  16.5 17 16 AT5,5M01 - 2.48 1.2 0.1 90 43 36 22 2.83 1.37 7.3 13.1
6 19 6 6 A600 - 1 0.46 0.1 90 38 32 22 2.46 1.05 8 8.2
  19 6 6 A601 - 2 0.56 0.1 120 38 32 22 2.46 1.05 8 8
  20 10 10 A602 - 4.38 1.235 0.2 120 38 32 22 2.46 1.05 8 15
  21 6 6 A603 - 2.34 1.045 0.5 90 38 32 22 2.46 1.05 8 10.5
7 22 7 7 A702 - 2.6 0.7 0.3 120 36 30 20 3.28 1.36 9 12.8
  22 7 7 A703 - 1.6 0.7 0.3 90 36 30 20 3.28 1.36 9 12.8
  22 7 7 A704 - 1.5 0.7 0.15 90 36 30 20 3.28 1.36 9 12.8
  26 7 7 A705 - 3.33 1.5 0.5 90 36 30 20 3.28 1.36 9 12.8
8 19 6 6 A800 - 1.65 0.8 0.1 90 38 32 22 2.46 1.05 10 6.8
  22 7 7 A801 - 1.5 0.7 0.12 90 36 30 20 3.28 1.36 10 12
  22 7 7 A802 - 0.93 0.42 0.2 90 36 30 20 3.28 1.36 10 10.7
  22 7 7 A803 - 2.5 0.705 0.1 120 36 30 20 3.28 1.36 10 12
  22 7 7 A808 - 1.7 0.81 0.1 90 36 30 20 3.28 1.36 10 12
  22 7 7 A809 - 2 0.9 0.2 90 36 30 20 3.28 1.36 10 12
  22 7 7 A810 - 1.5 0.71 0.1 90 36 30 20 3.28 1.36 10 12
  22 7.4 7 A8M00 - 1.97 0.9 0.2 90 38 32 22 2.46 1.05 10 13.4
  23 7 7 A805 - 1.7 0.73 0.3 90 36 30 20 3.28 1.36 10 13.5
  26 7 7 A806 - 3.34 1.545 0.5 90 36 30 20 3.28 1.36 10 19.2
10 29.5 8 8 A1007 - 5.04 1.245 1.35 120 34 28 18 4.58 1.97 12 27
  30 8 8 A1000 - 5 1.41 0.2 120 34 28 18 4.58 1.97 12 28.3
  30 8 8 A1001 - 3.3 1.565 0.5 90 34 28 18 4.58 1.97 12 30.7
  30 8 8 A1006 - 6 1.49 1.55 120 34 28 18 4.58 1.97 12 27
  30 8 8 A1008 - 4.55 1.5 0.5 110 34 28 18 4.58 1.97 12 28.3
  30 9 9 A1009 - 5.33 1.5 0.3 120 32 26 17 5.97 2.63 14 31
  32 9 9 A1005 - 5.13 2 0.5 100 32 26 15 4.33 2.25 12 38.5
  32 14 14 AT10U00 25 4.24 1.63 0.5 100 32 26 15 6.54 4.21 12 56.8
  34 9 9 A1003 - 6.44 1.55 2 120 32 26 17 5.97 2.63 14 40.1
  34 9 9 A1004 - 6.55 1.55 2.2 120 32 26 17 5.97 2.63 14 41
  35 9 9 A1002 - 4.3 2.065 0.2 90 32 26 17 5.97 2.63 14 46.2
12 32 10 10 A1200 - 0.9 0.5 0.2 70 30 24 15 6.89 3.09 16 38
15 35 11 11 A1502 - 3.6 1 0.3 120 26 20 13 7.73 3.76 19 42
  35 11 11 A1503 - 5.33 1.5 0.3 120 26 20 13 7.73 3.76 19 42
  39 9 9 A15SD00 - 7.83 3.5 1 90 30 24 14 5.59 2.84 17 42.6
  40 11 11 A1501 - 4.65 1.8 0.5 100 28 22 13 5.97 2.63 17 73.9
  47 11 11 A1500 - 6 2.915 0.2 90 26 20 13 7.73 3.76 19 104

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