EP0100236A1 - Cleaning wire and the like - Google Patents
Cleaning wire and the like Download PDFInfo
- Publication number
- EP0100236A1 EP0100236A1 EP83304316A EP83304316A EP0100236A1 EP 0100236 A1 EP0100236 A1 EP 0100236A1 EP 83304316 A EP83304316 A EP 83304316A EP 83304316 A EP83304316 A EP 83304316A EP 0100236 A1 EP0100236 A1 EP 0100236A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- die
- wire
- cleaning
- vibrated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
- B21C43/02—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass combined with or specially adapted for use in connection with drawing or winding machines or apparatus
- B21C43/04—Devices for de-scaling wire or like flexible work
Definitions
- This invention relates to cleaning wire and the like and in particular to the cleaning by abrasion of the surface of metal wire, rod or strip so as to remove tor example oxide following a heat treatment operation, or lubricant following a rolliny or drawing operation.
- a method of cleaning an elongate strip comprises passing the same through a die dimensioned to provide a working clearance about tne strip ana between it and the die, holding the strip under tension whilst so passed, causing transverse vibration of the strip relative to the die so that a number of points around the surface of the strip contact the die, and passing a fluid through the die to displace material removed from the strip surface by the die.
- the . invention also consists in apparatus for carrying out the method.
- the die will have a cylindrical bore, and the same bore will be used as a passage tor the fluid which is to displace material removed from the strip surface, and the fluia, which conveniently is water, may be pumped under pressure through a tangential opening to a mid-point along the length of the bore so that the water tends to spiral in opposite directions to the ends of the bore.
- the fluia which conveniently is water
- the strip may be vibrated transversely by mechanical means or by electromagnetic means for example.
- the vibrations may be applied to the strip whilst passing through a relatively stationary die structure, or alternatively the die structure may be subject to the vibrations so as to displace the strip. laterally and hence cause the vibration in the strip.
- the wire may pass over a rotating pulley having its surface formed somewhat as a snail cam so that the wire is d isplacea laterally and then allowed to return aue to the tension in the wire.
- a number of sucn means for causing the lateral displacement may be provided arranged for displacement generally at right angles to one another.
- the preferred direction of vibration of the strip is in a generally circular pattern extending about the axis of the tensioned strip when not subject to the vibration.
- a number of cleaning dies are provided, at suitable intervals, along the length ot the strip and where mechanical or electromagnetic means cause the lateral movement of the wire, tne force causing the vibration may be applied at points between successive dies so that the dies tena to act as nodes or at least as points of minimum amplitude of vibration with the maximum amplitude being at the points of application of the force causing the vibration.
- a rotating magnetic tield may be set up tor example at each die, and it is believed that this may be useful not only with magnetic materials as the strip but also with good electrical conductors as strip, and hence in practice with substantially all metal strips which are required to be cleaned.
- the invention is applicable to strips which are not of circular cross section, for example rectangular strips.
- the die will also be of similar rectangular section.
- the dies may be made of a material selected according to the nature of the cleaning operation to be carried out, and according to the nature of the strip material.
- cleaning oil trom a soft material wire may be achieved using a high density polyethylene for the die, but if a fierce abrasive action is required to remove stubborn scale, a tungsten carbide material may be used for the die surface.
- cleaning can include removal of contaminants such as the lubricating oil mentioned, removal of surface oxide, and also include the possibility of including polishing or other surface finishing of the strip material with such removal of lubricants, scale and the like, or if the wire was chemically clean before the treatment, (which is an unusual situation) then it includes the possibility of performing a surface finishing or polishing operation per se.
- the rod or strip 10 is conveyed in the direction ot the arrow A under tension.
- it may bo driven by pairs of pinch teed rolls 12 and 14 of which the rolls 12 run slightly taster than the rolls 14.
- the rod passes through two cleaning dies 16 which are generally similar to one another, each of which has a bore slightly larger than tne rod and ot the same cross section.
- the drawing exaggarates the clearance in the interest of clarity in explaining the working ot the invention.
- the rod is vibrated transversely and generally in a plane containing the axis of the rod by the use of a snail cam 18 which is rotated about the axis 20 and which engages the rod at its periphery substantially midway between the dies.
- This causes the rod to oscillate generally between the two extreme paths indicated by the chain dot lines 22 24, the oscillations being contined between nodal points at the respective pincn rolls 12 and 14 and being limited by the dies.
- the rod By imparting vibration about a second axis at right angles to that ot shaft 20, the rod can be caused to vibrate in a generally circular pattern within the bounds indicated by the chain dot lines 22 24 with increased certainty of cleaning ot the entire surface area.
- Material abraded from the rod surface in the uies is flushed by liquid pumped through the pipe system 26 and, in this embodiment, the pipes lead to tangential apertures in the die bores so as to cause a Spiralling current of cleaning liquid to flow through the bores.
- the rod may be dried for example by an air wipe constructed generally as described in BP.1533846.
Landscapes
- Mechanical Engineering (AREA)
- Engineering & Computer Science (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning In General (AREA)
- Surgical Instruments (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Metal Extraction Processes (AREA)
- Catalysts (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Sink And Installation For Waste Water (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Ropes Or Cables (AREA)
- Manufacturing Of Electric Cables (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Ceramic Products (AREA)
Abstract
Description
- This invention relates to cleaning wire and the like and in particular to the cleaning by abrasion of the surface of metal wire, rod or strip so as to remove tor example oxide following a heat treatment operation, or lubricant following a rolliny or drawing operation.
- According to the invention a method of cleaning an elongate strip comprises passing the same through a die dimensioned to provide a working clearance about tne strip ana between it and the die, holding the strip under tension whilst so passed, causing transverse vibration of the strip relative to the die so that a number of points around the surface of the strip contact the die, and passing a fluid through the die to displace material removed from the strip surface by the die.
- The. invention also consists in apparatus for carrying out the method.
- where the strip consists of circular cross section wire, the die will have a cylindrical bore, and the same bore will be used as a passage tor the fluid which is to displace material removed from the strip surface, and the fluia, which conveniently is water, may be pumped under pressure through a tangential opening to a mid-point along the length of the bore so that the water tends to spiral in opposite directions to the ends of the bore.
- The strip may be vibrated transversely by mechanical means or by electromagnetic means for example. The vibrations may be applied to the strip whilst passing through a relatively stationary die structure, or alternatively the die structure may be subject to the vibrations so as to displace the strip. laterally and hence cause the vibration in the strip.
- In the case of mechanical vibration applied directly to the strip and using a static die structure, the wire may pass over a rotating pulley having its surface formed somewhat as a snail cam so that the wire is displacea laterally and then allowed to return aue to the tension in the wire. A number of sucn means for causing the lateral displacement may be provided arranged for displacement generally at right angles to one another.
- The preferred direction of vibration of the strip is in a generally circular pattern extending about the axis of the tensioned strip when not subject to the vibration.
- Preferably a number of cleaning dies are provided, at suitable intervals, along the length ot the strip and where mechanical or electromagnetic means cause the lateral movement of the wire, tne force causing the vibration may be applied at points between successive dies so that the dies tena to act as nodes or at least as points of minimum amplitude of vibration with the maximum amplitude being at the points of application of the force causing the vibration.
- where electromagnetic torces are used, a rotating magnetic tield may be set up tor example at each die, and it is believed that this may be useful not only with magnetic materials as the strip but also with good electrical conductors as strip, and hence in practice with substantially all metal strips which are required to be cleaned.
- The invention is applicable to strips which are not of circular cross section, for example rectangular strips. In this case the die will also be of similar rectangular section.
- The dies may be made of a material selected according to the nature of the cleaning operation to be carried out, and according to the nature of the strip material. Thus, for example, cleaning oil trom a soft material wire may be achieved using a high density polyethylene for the die, but if a fierce abrasive action is required to remove stubborn scale, a tungsten carbide material may be used for the die surface.
- It is found experimentally that using a single die head with a circular bore, and an appropriate circular cross section wire passed at a high speed under tension through the bore, and caused to vibrate between the tension points which are located at a distance in front of and behind the die along the length of the feed direction, with a vibratory pattern such that if the die were not present the wire would vibrate in a generally circular fashion with the diameter of the circle being substantially larger than the die, then a cleaned track extends generally spirally along the length ot the wire as a result ot contact between the wire surface and the die bore. This in general is what is meant by "a number ot points around the surface of the strip" having contacted the die and become cleaned. Such a result may be useful in certain circumstances, but usually it is required to clean the complete surtace area of the strip and tnis requires adjustment of a number ot parameters including the amplitude and possibly also trequency of vibration, feed tension and speed (and feed tension itself affects the vibratory mode) and the number of dies used. However, the net result enables complete cleaning to be achieved with relatively low pressure and volume fluid tlows.
- The term "cleaning" can include removal of contaminants such as the lubricating oil mentioned, removal of surface oxide, and also include the possibility of including polishing or other surface finishing of the strip material with such removal of lubricants, scale and the like, or if the wire was chemically clean before the treatment, (which is an unusual situation) then it includes the possibility of performing a surface finishing or polishing operation per se.
- In the accompanying drawing the sole figure represents diagrammatically one possible apparatus for carrying out the invention.
- In the drawing, the rod or
strip 10 is conveyed in the direction ot the arrow A under tension. For example it may bo driven by pairs ofpinch teed rolls rolls 12 run slightly taster than therolls 14. - The rod passes through two
cleaning dies 16 which are generally similar to one another, each of which has a bore slightly larger than tne rod and ot the same cross section. The drawing exaggarates the clearance in the interest of clarity in explaining the working ot the invention. - In this example the rod is vibrated transversely and generally in a plane containing the axis of the rod by the use of a snail cam 18 which is rotated about the
axis 20 and which engages the rod at its periphery substantially midway between the dies. This causes the rod to oscillate generally between the two extreme paths indicated by thechain dot lines 22 24, the oscillations being contined between nodal points at therespective pincn rolls - In practice, by using bores through the dies which are only slightly larger than the cross sectional dimensions of the rod, and a high frequency of vibration, substantially the entire periphery of the
rod 10 can be cleaned. - By imparting vibration about a second axis at right angles to that
ot shaft 20, the rod can be caused to vibrate in a generally circular pattern within the bounds indicated by thechain dot lines 22 24 with increased certainty of cleaning ot the entire surface area. - Material abraded from the rod surface in the uies is flushed by liquid pumped through the
pipe system 26 and, in this embodiment, the pipes lead to tangential apertures in the die bores so as to cause a Spiralling current of cleaning liquid to flow through the bores. - The rod may be dried for example by an air wipe constructed generally as described in BP.1533846.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83304316T ATE22020T1 (en) | 1982-07-26 | 1983-07-26 | WIRE CLEANING. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8221604 | 1982-07-26 | ||
GB8221604 | 1982-07-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0100236A1 true EP0100236A1 (en) | 1984-02-08 |
EP0100236B1 EP0100236B1 (en) | 1986-09-10 |
Family
ID=10531925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83304316A Expired EP0100236B1 (en) | 1982-07-26 | 1983-07-26 | Cleaning wire and the like |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0100236B1 (en) |
JP (1) | JPS59501371A (en) |
AT (1) | ATE22020T1 (en) |
AU (1) | AU561751B2 (en) |
DE (1) | DE3366092D1 (en) |
DK (1) | DK160971C (en) |
FI (1) | FI86518C (en) |
GB (1) | GB2124323B (en) |
IN (1) | IN158703B (en) |
WO (1) | WO1984000509A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1892048A1 (en) * | 2006-08-24 | 2008-02-27 | A.W.M. s.p.a. | Method and apparatus for dynamic surface cleaning and straightening for steel wire rod and/or bars |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10001746C2 (en) * | 2000-01-17 | 2003-05-22 | Klaus Doehrer | Method for removing impurities adhering to a strip-shaped rolled metal strip moving in the longitudinal direction thereof, and device for carrying out the method |
CN106493126B (en) * | 2015-09-07 | 2019-01-04 | 芜湖市智行天下工业设计有限公司 | A kind of steel band cleaning systems with triple purification capacities |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE450463A (en) * | ||||
DE814736C (en) * | 1949-09-22 | 1951-10-11 | Westfalenhuette Dortmund A G | Process for descaling and removing stress deformations from rolling stock |
US2921365A (en) * | 1954-04-27 | 1960-01-19 | Earl C Planett | Device for descaling and cleaning wire rod |
-
1983
- 1983-07-26 WO PCT/GB1983/000181 patent/WO1984000509A1/en active IP Right Grant
- 1983-07-26 EP EP83304316A patent/EP0100236B1/en not_active Expired
- 1983-07-26 AU AU18866/83A patent/AU561751B2/en not_active Ceased
- 1983-07-26 GB GB08320109A patent/GB2124323B/en not_active Expired
- 1983-07-26 AT AT83304316T patent/ATE22020T1/en not_active IP Right Cessation
- 1983-07-26 DE DE8383304316T patent/DE3366092D1/en not_active Expired
- 1983-07-26 JP JP58502782A patent/JPS59501371A/en active Pending
- 1983-08-04 IN IN974/CAL/83A patent/IN158703B/en unknown
-
1984
- 1984-02-20 FI FI840684A patent/FI86518C/en not_active IP Right Cessation
- 1984-02-24 DK DK097584A patent/DK160971C/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE450463A (en) * | ||||
DE814736C (en) * | 1949-09-22 | 1951-10-11 | Westfalenhuette Dortmund A G | Process for descaling and removing stress deformations from rolling stock |
US2921365A (en) * | 1954-04-27 | 1960-01-19 | Earl C Planett | Device for descaling and cleaning wire rod |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1892048A1 (en) * | 2006-08-24 | 2008-02-27 | A.W.M. s.p.a. | Method and apparatus for dynamic surface cleaning and straightening for steel wire rod and/or bars |
Also Published As
Publication number | Publication date |
---|---|
AU1886683A (en) | 1984-02-23 |
EP0100236B1 (en) | 1986-09-10 |
DK160971C (en) | 1991-11-18 |
GB2124323B (en) | 1985-12-04 |
DK160971B (en) | 1991-05-13 |
FI840684A0 (en) | 1984-02-20 |
ATE22020T1 (en) | 1986-09-15 |
WO1984000509A1 (en) | 1984-02-16 |
DK97584A (en) | 1984-02-24 |
IN158703B (en) | 1987-01-10 |
DK97584D0 (en) | 1984-02-24 |
FI86518C (en) | 1992-09-10 |
DE3366092D1 (en) | 1986-10-16 |
AU561751B2 (en) | 1987-05-14 |
JPS59501371A (en) | 1984-08-02 |
GB2124323A (en) | 1984-02-15 |
GB8320109D0 (en) | 1983-08-24 |
FI840684A (en) | 1984-02-20 |
FI86518B (en) | 1992-05-29 |
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