CN202316573U - Forming device of special-shaped wires - Google Patents

Forming device of special-shaped wires Download PDF

Info

Publication number
CN202316573U
CN202316573U CN201120441453XU CN201120441453U CN202316573U CN 202316573 U CN202316573 U CN 202316573U CN 201120441453X U CN201120441453X U CN 201120441453XU CN 201120441453 U CN201120441453 U CN 201120441453U CN 202316573 U CN202316573 U CN 202316573U
Authority
CN
China
Prior art keywords
special
high mill
wire section
shaped wire
shaped
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.)
Expired - Lifetime
Application number
CN201120441453XU
Other languages
Chinese (zh)
Inventor
水谷行隆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Application granted granted Critical
Publication of CN202316573U publication Critical patent/CN202316573U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Abstract

The utility model aims at providing a forming device of special-shaped wires, which is used for solving the problem of attachment of dirt and other foreign matters on the surfaces of materials and can get the special-shaped wires with excellent formability and high dimensional precision. A forming unit of the forming device of the special-shaped wires, disclosed by the utility model, has a four-roller rolling machine, and a cleaning deice for cleaning the surfaces of the wires is arranged at the foremost stage of the forming unit; and preferably, the cleaning device utilizes a solvent for cleaning the surfaces of the wires, and more preferably, the cleaning is performed by applying ultrasonic vibration to the solvent.

Description

The building mortion of special-shaped wire section
Technical field
The utility model relates to the building mortion of the special-shaped wire section of shaping of a kind of wire rod that is suitable for odd-shaped cross section etc., and the wire rod of this odd-shaped cross section is used for for example piston ring for engine etc.
Background technology
For the high rotating speedization of tackling engine in recent years, the requirement of high powerization, for the piston ring of high load capacity, become steel from the past cast iron, use special steels such as high-alloy stainless steel.
In piston ring, have oil ring, cross sectional shape that cross sectional shape exactly likes H shape about different side ring sheet (side rail), spacer ring (spacer) and pressure rings, have odd-shaped cross section respectively.In these piston rings, use that to have the cross section be the oil ring of odd-shaped cross section that exactly likes the complicacy of H shape, use wire rod for piston ring as material, require to have the dimensional accuracy of strictness.
Now; Like the shaping with wire rod of the piston ring of above-mentioned odd-shaped cross section, for example such like patent documentation 1 disclosed ground, proposition has following technical scheme; Promptly; To justify line and be configured as after the rectangular lines, and make wire rod at 1 forming unit or arrange in a cluster in the building mortion that a plurality of forming units form and be shaped, this forming unit is combined with a power-actuated back level four-roller type turks head by the prime four-roller type turks head (turks head) of non-driving.
The technical scheme that is proposed will be divided into the operation that is shaped for 3~5 times and carries out stress relieving annealing in the centre that is shaped for 3~5 times in the past; Through the stress relieving annealing in the middle of 1~2 perhaps reduction that is shaped and omits; Can raise the efficiency significantly and reduce cost, be excellent in this.
; Be configured as in preceding working procedure and make under the state of rectangular lines when the remaining material forming that bending, distortion arranged is special-shaped wire section in wire rod; In the time of in biting into four-high mill, rolling in, become inhomogeneous to the occupied state of roll pass, existence can not be configured as the problem of the shape of regulation.
The inventor of the utility model is for the bending that produces in the wire rod before and after the shaping of above-mentioned special-shaped wire section; Technical scheme below proposing; Promptly; Through wire rod is shaped, can solve the bending (patent documentation 2) of above-mentioned generation before the forming unit that is made up of four-high mill with in the building mortion of the special-shaped wire section that straightener (1eveller) is set respectively afterwards.
Patent documentation 1: TOHKEMY 2003-39103 communique
Patent documentation 2: TOHKEMY 2010-201492 communique
Above-mentioned patent documentation 2 disclosed building mortions are favourable on the point of the bending that produces in the wire rod before and after the shaping that can solve at special-shaped wire section.
; For the wire rod after the wire rod that for example in preceding working procedure, is configured as the state of rectangular lines, the peeling, wire rod and the wire rod after the drawing after the annealing; When making these wire formings be special-shaped wire section through the rolling material that on the material surface of these wire rods, is attached with foreign matter; Foreign matter embeds the surface of special-shaped wire section, possibly on the special-shaped wire section surface, produce defective, and this foreign matter is the main cause that drawing compound, the interior deposit of stove etc. become dirt.In addition, when material bit in the four-high mill, foreign matter was sometimes attached to roller surface.When under roller surface is attached with the state of foreign matter, being rolled, wire rod becomes inhomogeneous to the occupied state of roll pass, also has the problem of the shape that can not be configured as high-precision regulation.
In addition, when material wire rod surface attachment has the wire rod of discontinuous foreign matter to be bitten in the power-actuated four-high mill,, therefore produce roll sometimes and skid because foreign matter changes the Frotteurism between roll and the wire rod partly.Because this roll skids, exist wire surface after the shaping of special-shaped wire section to produce the problem of the scratch defects of roll.These problems are brought bigger influence to the formability of special-shaped wire section and the quality of the wire rod after the shaping.
The utility model content
The problem that the purpose of the utility model is to provide a kind of foreign matter that is caused by dirt etc. that solves material surface to adhere to, and can obtain the building mortion of the special-shaped wire section of the excellent high dimensional accuracy of formability, surface cleanliness.
The inventor of the utility model studies the problem of the dimensional accuracy of special-shaped wire section; And find to be used to clean the cleaning device on the surface of the material before being shaped through employing; Can improve the surface cleanliness that after the shaping of special-shaped wire section, produces, the problem of dimensional accuracy largely, and obtain the utility model.
Promptly this is practical for having the building mortion of the special-shaped wire section of four-high mill as forming unit, is used to clean the cleaning device of wire surface in the previous stage configuration of above-mentioned forming unit.
Preferred above-mentioned cleaning device utilizes the above-mentioned wire surface of solvent clean, further preferably cleans through above-mentioned solvent is applied ultrasonic vibration.
Preferably in above-mentioned forming unit, dispose the four-high mill and the power-actuated four-high mill of non-driving in a cluster.
In addition, be preferably a plurality of above-mentioned forming units of the alignment arrangements of ploughing, in above-mentioned forming unit, bunchiness disposes the four-high mill and the power-actuated four-high mill of non-driving.
In addition, after the above-mentioned forming unit of preferred one-level in the end, the finishing unit that configuration is made up of the four-high mill of or many non-drivings.
According to the utility model; Through previous stage configuration cleaning device at the forming unit that constitutes by four-high mill; The surface cleanliness that after the shaping of special-shaped wire section, produces, the problem of dimensional accuracy can be improved largely, the manufacturing of the special-shaped wire section that is used for piston ring etc. can be greatly improved.
Description of drawings
Fig. 1 be the expression the utility model special-shaped wire section building mortion one the example figure.
Fig. 2 is the figure in the cross section of the special-shaped wire section that has been shaped among the embodiment of expression.
Fig. 3 be the expression the utility model special-shaped wire section the cleaning device that building mortion had one the example figure.
Fig. 4 is another routine figure of building mortion of the special-shaped wire section of expression the utility model.
Fig. 5 be the expression the utility model special-shaped wire section building mortion again one the example figure.
The specific embodiment
The utility model most important characteristic is, is used for the cleaning device of the wire surface of cleaning material in the previous stage configuration of the forming unit that is made up of four-high mill.
As stated, on the wire surface before being configured as special-shaped wire section, be attached with dirts such as drawing compound, the interior deposit of stove sometimes.Even when foreign matters such as dirt are configured as cross section special-shaped wire rod under the state attached to the surface of material wire rod slightly, also can produce dimensional accuracy problem, bring out the problem that produces defective on the special-shaped wire section surface.When this requirements such as for example being used for piston ring that in four-high mill, is shaped has the special-shaped wire section of unusual high dimensional accuracy, become king-sized problem.
For odd-shaped cross section shape and the surface cleanliness that obtains to stipulate, importantly make material surface remain uniform cleaning.Thereby the building mortion of the special-shaped wire section of the utility model disposes the cleaning device that is used to clean wire surface in the previous stage of the forming unit that is made up of four-high mill.
The cleaning device that is used for cleaning wire surface that in the building mortion of the special-shaped wire section of the utility model, can be suitable for has the physics mode that utilizes brush to wipe to stroke the mechanical system that waits, utilizes laser etc., the chemical mode of use cleaning fluid equal solvent.These cleaning ways can also can use mechanical system and chemical mode etc. to clean with complex method through selecting with the geomery of the special-shaped wire section that will make is suitable accordingly continuously.
In the building mortion of the special-shaped wire section of the utility model, the cleaning device that preferably is arranged on the previous stage place of forming unit uses the chemical mode that has adopted the cleaning fluid equal solvent.As the solvent that in chemical mode, uses, except solvent, can make water, warm water (generally speaking more than 30 ℃).Wherein warm water is little to the influence of human body, and is easy to supply with and discarded processing.In addition, be mostly in preceding working procedure, to adhere to attached to foreign matters such as the dirts on the wire surface, principal component is the drawing compound of metallic soap etc., because the character that this drawing compound is easy in warm water, dissolve most preferably uses warm water as solvent.
In addition, the cleaning device that in the utility model, is suitable for preferably is provided with ultrasonic oscillator as the auxiliary body that promotes cleaning performance, and solvent is applied ultrasonic vibration in rinse bath, can further improve cleaning performance through making the solvent vibration.
Fig. 3 is illustrated in an example of the cleaning device that can be suitable in the building mortion of special-shaped wire section of the utility model.Preferable cleaning device be for example as shown in Figure 3, solvent is immersed in the rinse bath that surrounds by overflow launder and through making the device of wire rod foreign matters such as dirt through removing wire surface in solvent.
In order when changing solvent, to be easy to discharge solvent, the water pipe 38 of band valve is installed on the bottom surface of the overflow launder 31 of cleaning device shown in Figure 3.On the part on the part of the front surface of overflow launder 31 and rinse bath 30 and surface, back, be provided with the slit that supplies wire rod to pass through.The solvent that flows out from the gap of the slit of rinse bath 30 accumulates in the overflow launder 31, utilizes the pump 37 that is located in the overflow launder 31, and solvent is turned back in the rinse bath 30 once more.In addition, ultrasonic oscillator 32 is set on the bottom surface in rinse bath 30, makes it apply ultrasonic vibration solvent.The adjustment of ultrasonic vibration can be adjusted through the output of ultrasonic oscillator 33.
In addition, preferably cleansing tissue or cleaning wiping cloth 34 are set respectively, and wipe attached to dirt on the wire rod and solvent in the slit exit of rinse bath 30 and overflow launder 31.In addition, preferably be provided for removing air wiper (air wiper) 35 attached to the solvent on the wire rod at the outlet side of overflow launder 31.
In addition, in order to pass through under the specified altitude that makes the solvent of wire rod in rinse bath 30, preferred setting can be adjusted the lifting platform 39 of rinse bath 30 height.
Fig. 1 representes the example of building mortion of the special-shaped wire section of the utility model.As shown in Figure 1; Example for the building mortion of the special-shaped wire section of the utility model; Adopt following structure; That is, dance roller 7, cleaning device 2 are accumulated in configuration after being right after paying out machine 1, and after cleaning device 2, arrange two forming units; This forming unit disposes non-driving through bunchiness four-high mill 3 constitutes with power-actuated four-high mill 4, and after the forming unit of back one-level, disposes finishing unit 5, bitubular winding roller 9, up-coiler 6 that the four-high mill by non-driving constitutes.
For being configured in accumulating dance roller 7 and be configured in for the dance roller 8 between power-actuated four-high mill 4 and the finishing unit 5 between paying out machine 1 and the cleaning device 2; For with this dance roller 7 and dance roller 8 separately the tension force of position remain constantly, control is configured in the paying out machine 1 that is right after before this dance roller 7 and the dance roller 8, the rotating speed of power-actuated four-high mill 4.
In an example of the building mortion of special-shaped wire section shown in Figure 1, only dispose the four-high mill 3 of the non-driving of one-level prime as forming unit, but also can dispose the four-high mill of the above non-driving of two-stage.In addition, 4 of the power-actuated four-high mills of back level dispose one-level, but also can dispose the above power-actuated four-high mill of two-stage.
In addition, also can arrange a plurality of forming units, this forming unit is made up of with power-actuated four-high mill 4 bunchiness configuration the four-high mill 3 of non-driving.In addition, only dispose the finishing unit 5 that one-level is made up of the four-high mill of non-driving, but finishing unit 5 also can dispose the four-high mill of the above non-driving of two-stage.
In addition, in an example of the building mortion of special-shaped wire section shown in Figure 1, only dispose four-high mill, but also can be in the building mortion of the shaped wire of the utility model, be configured between the forming unit up and down or about be a pair of duo mill.
Fig. 4 representes another example of building mortion of the special-shaped wire section of the utility model.As shown in Figure 4; In the building mortion of the special-shaped wire section of the utility model, also can be used as following structure, promptly; Dance roller 7, cleaning device 2 are accumulated in configuration after paying out machine 1; And after cleaning device 2, arrange three forming units in a cluster, this forming unit forms with power-actuated four-high mill 4 through the four-high mill 3 that disposes non-driving in a cluster, and after preceding two forming units, disposes the four-high mill 3 of non-driving; And after last forming unit, arrange two finishing units 5 in a cluster, after last finishing unit 5, dispose bitubular winding roller 9, up-coiler 6.Through as dispose forming unit above-mentionedly, oil ring wire rod, side ring sheet are shaped with wire rod high dimensional accuracy ground with wire rod and pressure rings with wire rod, spacer ring, wherein be suitable for most the shaping of oil ring wire rod.
In addition, Fig. 5 representes the example again of building mortion of the special-shaped wire section of the utility model.As shown in Figure 5; In the building mortion of the special-shaped wire section of the utility model; Also can be used as following structure, that is, dance roller 7, cleaning device 2 are accumulated in configuration after paying out machine 1; And after cleaning device 2, arrange three forming units in a cluster; This forming unit forms with power-actuated four-high mill 4 through the four-high mill 3 that disposes non-driving in a cluster, and after last forming unit, arranges five finishing units 5 in a cluster, after last finishing unit 5, disposes bitubular winding roller 9, up-coiler 6.Through as dispose forming unit above-mentionedly, oil ring wire rod, side ring sheet are shaped with wire rod high dimensional accuracy ground with wire rod and pressure rings with wire rod, spacer ring, wherein be suitable for most the shaping of pressure rings with wire rod.
The forming unit of the building mortion of the special-shaped wire section of the utility model, four-high mill 3 and power-actuated four-high mill 4 that being preferably plough disposes non-driving.
Through in forming unit, using the four-high mill 3 of non-driving, can reduce reduction ratio, its result, rolling load also diminishes.Thus, also diminish, therefore can in the small deformation amount zone of four-high mill, be rolled from the reaction force to four-high mill of wire rod.Through in the small deformation amount zone of four-high mill, being rolled, can suppress the dimensional variations that causes by roller vibration, the special-shaped wire section of the high dimensional accuracy that therefore can be shaped.
In addition, the four-high mill 4 through working power in forming unit drives can be reduced in the place ahead tension force that is applied from the up-coiler side on the special-shaped wire section.Thus, add heavy reduction rate the place ahead tension force is increased, therefore can suppress dimensional variations (dwindling) and fracture that the elongation by wire rod causes, can guarantee high fill-ratio to roll pass even compare with the four-high mill 3 of non-driving.
The forming unit of the building mortion of the special-shaped wire section of the utility model, being preferably plough arranges a plurality of unit that formed by the four-high mills 3 and the configuration of power-actuated four-high mill 4 bunchiness of non-driving.Thus, can the reduction ratio of every four-high mill be suppressed less, can reduce the wearing and tearing and the damage of roll.
In addition, through arranging a plurality of forming units in a cluster, can make wire forming according to the roll Pass shape being moved closer to the such pass schedule of shape of product (pass schedule), the metal flow ground that can not hinder wire rod carries out the shaping of wire rod.Thus, the special-shaped wire section of the high dimensional accuracy that can be shaped, and can omit rolling number of times and intermediate annealing (process annealing).
The building mortion of the special-shaped wire section of the utility model preferably at the afterbody of above-mentioned a plurality of forming units of arranging in a cluster, disposes the finishing unit 5 that is made up of one or more four-high mill.In order to obtain the special-shaped wire section of high dimensional accuracy, need make depressing in final step to slightly depressing.Disposing power-actuated four-high mill reduction ratio suppressed through one-level in the end under the situation about forming lessly, possibly produce roll because of the driving force of power-actuated four-high mill to skid, and on special-shaped wire section, produce defective.Therefore, the finishing unit 5 that constitutes through the four-high mill that uses by the non-driving that not influenced by driving force is even suppress reduction ratio to such an extent that the less roll that also can suppress skids the special-shaped wire section of the flawless high dimensional accuracy that can be shaped.
In addition,, can reduce reduction ratio, rolling load is also diminished through in finishing unit 5, using the four-high mill of non-driving.Thus, also diminish, therefore can in the low rigid region of four-high mill, be rolled from the reaction force to four-high mill of wire rod.Through in the low rigid region of four-high mill, being rolled, can suppress the dimensional variations that causes by roller vibration, the more special-shaped wire section of high dimensional accuracy therefore can be shaped.
Embodiment
As shown in Figure 1; Use the building mortion of following special-shaped wire section to carry out rolling; That is, dance roller 7, cleaning device 2 are accumulated in configuration after paying out machine 1, and after cleaning device 2, arrange two forming units in a cluster; This forming unit is that the four-high mill 3 that disposes non-driving in a cluster constitutes with power-actuated four-high mill 4, and after last forming unit, has disposed finishing unit 5, bitubular winding roller 9, up-coiler 6 that the four-high mill by non-driving constitutes.Material uses the steel (quality %) of diameter as the 0.8%C-17%Cr of 5.0mm, be configured as shown in Figure 2, be the special-shaped wire section of the piston ring of 4.07mm as thickness for the 3.07mm width with wire rod.At this moment, the speed through cleaning device 2 is made as 30m/min.
Cleaning device 2 is as shown in Figure 3; On the lifting platform 39 that can adjust height; Configuration is that 800mm, width are that 600mm, the degree of depth are that the length that the overflow launder 31 of 200mm surrounds is that 450mm, width are that 350mm, the degree of depth are the rinse bath 30 of 300mm by length, and the bottom surface of this rinse bath 30 is provided with ultrasonic oscillator 32.In rinse bath 30, be full of 40 ℃~45 ℃ warm water as solvent.At this moment, be provided with the slit that supplies wire rod to pass through in the part of the front surface of overflow launder 31 and rinse bath 30 and the part on surface, back.The warm water that flows out from the gap of the slit of rinse bath 30 accumulates in the overflow launder 31, utilizes pump 37 in the water that is located in the overflow launder 31, makes this warm water turn back to rinse bath 30 once more.The water pipe 38 of band valve is installed on the bottom surface of overflow launder 31 in addition.
In addition, cleansing tissue 34 is set respectively, has wiped attached to dirt on the wire rod and cleaning fluid in the slit exit of rinse bath 30 and overflow launder 31.In addition, air wiper 35 is set, has removed attached to the warm water on the wire rod at the outlet side of overflow launder 31.
When special-shaped wire section is shaped; On the surface of special-shaped wire section, confirm to embed defective to many places; This embedding defective width is that 2mm, length are that 20mm, the degree of depth are about 5 μ m, is considered to because being pressed into of foreign matter such as dirt causes.
On the other hand, on the surface of the special-shaped wire section that has been shaped through the cleaning device 2 that uses the utility model example, find to have since foreign matters such as dirt be pressed into the embedding defective that causes, can confirm the validity of the utility model.
The explanation of Reference numeral
1, paying out machine; 2, cleaning device; 3, non-driving four-high mill; 4, power drive four-high mill; 5, finishing unit; 6, up-coiler; 7, accumulate dance roller; 8, dance roller; 9, bitubular winding roller; 30, rinse bath; 31, overflow launder; 32, ultrasonic oscillator; 33, ultrasonic oscillator; 34, cleansing tissue; 35, air wiper; 37, pump in the water; 38, the water pipe of band valve; 39, lifting platform.

Claims (7)

1. the building mortion of a special-shaped wire section, it is the building mortion that comprises four-high mill as forming unit, it is characterized in that,
The cleaning device that is used to clean wire surface in the previous stage configuration of above-mentioned forming unit.
2. the building mortion of special-shaped wire section according to claim 1 is characterized in that,
Above-mentioned cleaning device is the cleaning device that utilizes the above-mentioned wire surface of solvent clean.
3. the building mortion of special-shaped wire section according to claim 2 is characterized in that,
Above-mentioned cleaning device is through above-mentioned solvent is applied the cleaning device that ultrasonic vibration is cleaned.
4. according to the building mortion of each described special-shaped wire section in the claim 1 to 3, it is characterized in that,
In above-mentioned forming unit, dispose the four-high mill and the power-actuated four-high mill of non-driving in a cluster.
5. according to the building mortion of each described special-shaped wire section in the claim 1 to 4, it is characterized in that,
The a plurality of above-mentioned forming units of alignment arrangements in above-mentioned forming unit, dispose the four-high mill and the power-actuated four-high mill of non-driving in a cluster in a cluster.
6. according to the building mortion of each described special-shaped wire section in the claim 1 to 5, it is characterized in that,
In the end after the above-mentioned forming unit of one-level, the finishing unit that configuration is made up of the four-high mill of or many non-drivings.
7. according to the building mortion of each described special-shaped wire section in the claim 1 to 6, it is characterized in that,
Above-mentioned special-shaped wire section is that piston ring is used wire rod.
CN201120441453XU 2010-11-09 2011-11-09 Forming device of special-shaped wires Expired - Lifetime CN202316573U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010250751A JP5804343B2 (en) 2010-11-09 2010-11-09 Molding device for deformed wire rod for piston ring
JP2010-250751 2010-11-09

Publications (1)

Publication Number Publication Date
CN202316573U true CN202316573U (en) 2012-07-11

Family

ID=46392294

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120441453XU Expired - Lifetime CN202316573U (en) 2010-11-09 2011-11-09 Forming device of special-shaped wires

Country Status (2)

Country Link
JP (1) JP5804343B2 (en)
CN (1) CN202316573U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108139013A (en) * 2015-09-24 2018-06-08 株式会社Posco For the transmitter of pipeline mobile robot

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102119828B1 (en) * 2019-08-26 2020-06-05 대한이연주식회사 Manufacturing method and apparatus for making piston ring for internal combustion engine engine marking piston ring

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5829513A (en) * 1981-08-12 1983-02-21 Kiyoshi Hajikano Roller device for rolling
JPH055169A (en) * 1990-09-20 1993-01-14 Totoku Electric Co Ltd Production of hot-dip coated wire
JPH10280178A (en) * 1997-04-11 1998-10-20 Daido Steel Co Ltd Washing of wire surface and washing device used for the same
JP4457336B2 (en) * 2001-07-30 2010-04-28 日立金属株式会社 Shaped wire rod forming method and apparatus
JP2008126229A (en) * 2006-11-16 2008-06-05 Nippon Steel Corp Continuous cold rolling equipment and its operating method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108139013A (en) * 2015-09-24 2018-06-08 株式会社Posco For the transmitter of pipeline mobile robot

Also Published As

Publication number Publication date
JP5804343B2 (en) 2015-11-04
JP2012101242A (en) 2012-05-31

Similar Documents

Publication Publication Date Title
TW302313B (en)
CN1247330C (en) Equipment for continuous aid-washing and cold rolling and its operating method
CN102247981B (en) Structural steel rolling production line and production process thereof
CN202316573U (en) Forming device of special-shaped wires
CN102154599A (en) Short-flow high-efficiency production method for white brass alloy pipes
CN210059120U (en) Cleaning device of forging cinder
CN203778585U (en) Mechanical rolling type roundness-to-square forming machine
CN211538999U (en) Descaling box for strip steel slab
CN104245171A (en) Method and device for descaling a scaled metal strip
CN110524257B (en) Square pipe production device
CN207138503U (en) A kind of eighteen-high mill
CN105149366A (en) Phosphorus removal device for continuous casting slabs
CN201200991Y (en) Thermomechanical flattening and cooling-control device for rolling-control and cooling-control steel plate
CN210412339U (en) Ring rolling machine with cooling pipeline
CN209956872U (en) Ferronickel residue divides material conveyor
CN108312068A (en) A kind of ball burnishing processing cleaning device
CN220619039U (en) Water quenching machine for roller production
CN215355364U (en) Cold rolling mill for seamless steel tube production and processing
CN220311332U (en) High-pressure water dephosphorization equipment
CN205764695U (en) A kind of prosthetic appliance of waste and old oil passageway
CN212350642U (en) Reciprocating spring cutting deburring machine for continuous casting square billet
DE10143868A1 (en) Device for removing loose cinder from the surface of a thin slab of a mini mill has a spray unit arranged before a temperature compensation oven and connected to a water supply
CN110883115B (en) Steel billet descaling device
CN112371590B (en) Impurity removing device capable of adapting to aluminum coils without thickness
CN103785696A (en) Mechanical cleaning method and equipment for steel surface

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20120711

CX01 Expiry of patent term