CN107225152A - A kind of composite roll and preparation method thereof - Google Patents
A kind of composite roll and preparation method thereof Download PDFInfo
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- CN107225152A CN107225152A CN201610173037.3A CN201610173037A CN107225152A CN 107225152 A CN107225152 A CN 107225152A CN 201610173037 A CN201610173037 A CN 201610173037A CN 107225152 A CN107225152 A CN 107225152A
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- collars
- nut
- roll shaft
- hold
- ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/03—Sleeved rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The present invention provides a kind of composite roll, including roll shaft and the collars that is sleeved on roll shaft, and roll shaft coordinates with collars gap, is provided with nut on the roll shaft of collars side, is brought into close contact between the nut and collars, and applies axial pressing force to collars.The invention further relates to the preparation method of above-mentioned composite roll, comprise the following steps：A, collars is sleeved on roll shaft, gap coordinates between collars and roll shaft；B, nut is screwed in it is arranged on roll shaft side, nut presses close to collars vertically；C, to collars end face apply axial compressive force, be axially moveable collars, nut and collars spacing are increased；D, rotation nut are moved to collars, and are brought into close contact with collars；E, remove axial compressive force；F, nut apply axial pressing force to collars end face, and collars is fixed on roll shaft.Transmit rolling torsion.
Description
Technical field
The invention belongs to metal rolled roll manufacture field, it is related to a kind of hot-rolling mill or cold-rolling mill is used has
The hard alloy compound roller of roll of composite construction and preparation method thereof, particularly steel rolling and its manufacturer
Method.Specifically, the invention provides a kind of unique composite roll of structure design and manufacture method, this is answered
Close roll and transmit moment of torsion by the way of gap cooperation, end face are compressed, its key is using plain nut lock
Tightly.The composite roll of this structure has few, simple in construction accessory, manufacture simplicity, reliability high, readily removable
The advantages of unloading.
Background technology
The First in the world produced first in J. P. Morgan ＆ Co. of the U.S. from STELCO companies of Canada in 1966
Hard alloy roll (ring) nearly half a century so far is tried out on high-speed rod-rolling mill without turning round, as height
The standard fitting of fast rod-rolling mill.Earliest, hard alloy roll is served only for high speed wire rod mill, to 1970
Age is just expanded to rapidly pre- finish rolling, in roll and type, the mm finishing mill unit of bar mill.Nowadays, hard is closed
The application field of golden roll still persistently extends with more and more faster ground speed.With high-speed wire finish-rolling, pre- finish rolling
Unit uses cantilevered, and tapered sleeve assembling whole hard alloy roll (ring) is different, in high-speed rod-rolling mill
In roll and type, bar wire rod rolling mill in, mm finishing mill unit must be by carbide roll ring with certain reliable side
Method connects (assembling) and forms compound (combination) roll to steel or irony roll shaft to use.No matter use
Which kind of method, its final purpose is the need for transmitting torque when meeting rolling.
In the B1 of United States Patent (USP) US4841612, US4932111 and US 6685611, German Kark
Company discloses a kind of end face impaction type Automatic manual transmission composite roll, and the structure uses high-pressure and hydraulic nut and one
Ring wedge ingenious in design is planted to compress carbide roll ring.The composite roll of this structure has principle simple,
Easily implement, the advantages of detachable.
United States Patent (USP) US5044056, US5104458 disclose a kind of composite roll of use keyway connection,
Carbide roll ring is first combined into inner ring containing steel and hard alloy outer shroud using the method for casting with steel metallurgy
Composite ring, splined on the good steel inner ring end face of obdurability or inwall, then by the composite ring and roller
Axle connects to form composite roll by keyway.The composite roll of this structure has bonding strength high, reliability
Good, the advantages of detachable, but technical difficulty prepared by its composite ring is larger, and technological requirement is high.
In Chinese patent CN1064827A and United States Patent (USP) US5248289,
In US5359772, US6095958, SANDVIK companies of Sweden disclose one kind and use centre spinning
By carbide roll ring directly with steel or the composite roll of cast iron roll shaft metallurgical bond, i.e. CIC composite rolls.
The composite roll bonding strength of this structure is high, good reliability, but its technical difficulty is big, and technology controlling and process will
Ask high, production cost is very high and non-dismountable.
United States Patent (USP) US6110084 announce composite roll also using side keyway connection inner ring containing steel with
The composite ring of hard alloy outer shroud.
Chinese patent CN2417946Y, CN1168563C and CN101073811 disclose a kind of use
The composite roll of high strength industrial jelly bonding.It is relatively low to there is bonding strength in this composite roll, and dismounting is difficult
The problem of.
Chinese patent CN2776584A, CN101642776A, CN102847715A,
CN102847716A United States Patent (USP)s US2006/0287177A1, US7572215B2,
US2010/0024507A1 discloses the composite roll that the different end face impaction type of several structures is mechanically connected.
Chinese patent CN201150929Y, CN102847714A disclose several use elastic conjunction connections
Composite roll.This roll has advantage simple in construction, easily to implement, but its interference is easily caused hard
Alloy collars spalling, security, less reliable, dismounting is difficult.
Chinese patent CN101386028A discloses composite roll prepared by a kind of use method for welding.
The above-mentioned prior art of comprehensive analysis, the technology of preparing for being combined (combination) roll can by compound (combination) mode
It is divided into mechanical connection composite roll, metallurgical bond composite roll and glue sticking composite roll.Wherein, machinery connects
Connecing compound method mainly has elastic conjunction to aid in end face bolt (nut) locking, transition or gap cooperation
The modes such as hydraulic nut end face compression.
The composite roll of end face bolt (nut) locking is aided in using elastic conjunction, due to collars and roll shaft
In the interference fit of radial direction, axial direction of the collars along roll shaft can not be moved, and end face nut does not almost stress or stress
It is little.Collars bears larger elastic conjunction power, easily by spalling, and dismounting is difficult.
The hydraulic nut end face coordinated using transition or gap compresses the composite roll of mode, and its nut is hydraulic pressure
Nut, needs special, special oil pocket, piston ring and sealing ring in nut, cost are high, and nut is consolidated during assembling
It is scheduled on motionless on roll shaft, hydraulic oil is by piston ring vertically to the collars (or hold-down ring, spacer ring) contacted
Apply about 150MPa axial compressive force, hold-down ring, collars etc. are axially moveable, collars or hold-down ring with
Gap is produced between hydraulic nut, wedge ring (ring wedge) is inserted between gap, rotating ring wedge makes production between wedge ring
Raw axial displacement, fills up because collars and/or hold-down ring are axially moveable the gap of generation, makes liquid by wedge ring
Pressure nut is brought into close contact with collars or hold-down ring, after hydraulic nut pressure release, and hydraulic nut is by wedge ring to roller
Ring or hold-down ring apply about 150MPa axial pressing force, collars is reliably fixed on roll shaft.
The hydraulic nut end face coordinated using gap compresses mode, due to can conveniently dismantle, in composite roll
Field application is wider, but the deficiency such as its hydraulic nut is complicated, part processing request height, cost height, and
And accessory is more, installation step is cumbersome, and technical difficulty is big.Hydraulic nut and collars is particularly filled up (or to compress
Ring) gap wedge ring, the wedge-shaped protrusion of the wedge ring opposite face of two pairings is smaller due to contact surface, it is long-term,
In the continuous collars operation of rolling, due to being impacted by rolling, once rotate or deform between wedge ring,
To cause to produce gap between hydraulic nut and collars (or hold-down ring), hydraulic nut be applied to collars (or
Hold-down ring) axial pressing force decline, bonding strength reduction even fail.
The content of the invention
To overcome the deficiencies in the prior art, the invention provides a kind of structure is novel, compound rolling of being simple to manufacture
Roller.It includes roll shaft and the collars being sleeved on roll shaft, and roll shaft coordinates with collars gap, in collars side
Nut is provided with roll shaft, is brought into close contact between the nut and collars, and applies axial pressing force to collars,
Make to form frictional force between collars and nut with this thrust, so as to make collars and roll shaft on axially and radially
Between be connected, transmit rolling torsion.
Further improve is to be provided with nut on the roll shaft of collars both sides.It is tight between nut and collars
It is closely connected to close, and apply axially opposite thrust to collars, make to be formed between collars and nut with this thrust
Frictional force transmit rolling torsion.This structure is applied to a fairly large number of composite roll of collars.Avoid remote
The collars of locking nut, due to gradually successively decreasing for the axial pressing force that is subject to, and can not obtain enough frictions
Power, it is impossible to ensure to be connected between the collars and roll shaft on axially and radially, it is impossible to transmit rolling torsion.
Further improve is to be provided with hold-down ring between the collars and nut.Hold-down ring and roller clearance
Coordinate, nut is brought into close contact with hold-down ring, and apply axial pressing force by compressing ring collars.So that
Make to be connected between collars and roll shaft on axially and radially, transmit rolling torsion.
Further improve is that described nut is double nut, and the first nut being brought into close contact with collars is lock
Tight nut；Second nut in outside is anti-return nut, plays a part of to prevent locking nut from releasing, and is further increased
The strong use reliability of composite roll.
Further improving is, the collars at least two, and spacer ring is provided between collars.To protect roller
Ring.
It is a further object of the present invention to provide a kind of preparation method of above-mentioned composite roll.
To achieve these goals, the present invention uses following preparation process：
A, collars is sleeved on roll shaft, gap coordinates between collars and roll shaft；
B, nut is screwed in it is arranged on roll shaft side, nut presses close to collars vertically；
C, to collars end face apply axial compressive force, be axially moveable collars, nut and collars spacing are increased；
D, rotation nut are moved to collars, and are brought into close contact with collars；
E, remove axial compressive force；
F, nut apply axial pressing force to collars end face, and collars is fixed on roll shaft.
The technical scheme of another preparation method of the present invention is as follows：
A, collars, hold-down ring be sleeved on roll shaft successively, gap coordinates between collars, hold-down ring and roll shaft；
B, nut is screwed in it is arranged on roll shaft side, nut presses close to hold-down ring vertically；
C, to hold-down ring end face apply axial compressive force, be axially moveable hold-down ring, collars, nut with compress
Interannular is away from increasing；
D, rotation nut are moved to hold-down ring, and are brought into close contact with hold-down ring；
E, remove axial compressive force；
F, nut apply axial pressing force by compressing ring collars end face, and collars is fixed on roll shaft.
The technical scheme of another preparation method of the present invention is as follows：
A1, roll shaft side screw in the first locking nut；
A2, collars, the hold-down ring of both sides are sleeved on roll shaft successively, the compression of the first locking nut and side
Ring is pressed close to；Spacer ring is set between collars two-by-two, and gap coordinates between collars, hold-down ring, spacer ring and roll shaft；
B, by the second locking nut screw in be arranged on roll shaft opposite side, the second nut is vertically to the pressure of opposite side
Tight ring is pressed close to；
C, the hold-down ring end face application axial compressive force to both sides, are axially moveable hold-down ring, collars, lock
Nut is increased with hold-down ring spacing；
D, the locking nut of rotation both sides are moved to the hold-down ring of both sides, and are brought into close contact with hold-down ring；
E, remove axial compressive force；
F, nut apply axial pressing force by compressing ring collars end face, and collars is fixed on roll shaft.
In above-mentioned technical proposal, the axial pressing force is 100~200MPa.Preferably by mechanical device
Pressed to collars end face.
Using the composite roll and its making step of the present invention, end face locking nut is plain nut, is general
Part, without special processing and fabricating, the axial force applied to collars (hold-down ring), preferably mechanical compression are filled
Put, the press member is general part, obtain easy, and be external, without configuring in every composite roll
On.Present invention eliminates wedge ring, axially apply between the nut produced after pressure and collars (hold-down ring)
Spacing, it is in rotary moving by nut, collars (hold-down ring) is brought into close contact between nut, when removing axle
To after the external force of application, nut directly produces an axial pressing force to collars (hold-down ring).Due to nut
Big with collars (hold-down ring) contact surface, laminating is close, in continuous rolling, and threaded connection is not easy to loosen,
Connection is reliable, it is ensured that the high axial pressing force between nut and collars (hold-down ring).
The composite roll of the present invention, method for dismounting is as follows：Apply an axial compressive force to collars (hold-down ring),
Make to produce spacing between nut and collars (hold-down ring)；Loosening nut, is removed after axial compressive force, is unloaded successively
Except nut, collars (hold-down ring).
The present invention is simple in construction, and cost is low, and effect is good, and reliability is high.Build-up member is few, and is general
Part, without to the special processing of assembly parts.Assembling is easy, convenient disassembly.It is particularly suitable for large-scale promotion application.
Brief description of the drawings
Fig. 1, the roller structure schematic diagram for the present invention.
Fig. 2, the composite roll schematic diagram for the embodiment of the present invention 1.
Fig. 3, the composite roll schematic diagram for the embodiment of the present invention 2.
Fig. 4 and Fig. 5 is assembling process schematic diagram of the invention.
In figure：1- roll shafts；2- collars；3- nuts；4- spacer rings；5- hold-down rings；6- anti-return nuts；7- mechanical compressions
Device.
Embodiment
The inventive method is further described with reference to embodiments:
Embodiment 1：
There is the hard alloy compound roller of locking nut one end, and specific implementation step is as follows：
1st, collars 2 is sleeved on roll shaft 1, gap coordinates between collars and roll shaft, and collars side is by roll shaft
Positioning；
2nd, nut 3 is screwed in installed in roll shaft opposite side, nut presses close to collars vertically；
3rd, apply axial compressive force to collars end face, be axially moveable collars, nut is increased with collars spacing；
4th, rotation nut is moved to collars, and is brought into close contact with collars；
5th, axial compressive force is removed；
6th, nut applies 100~200MPa of axial pressing force to collars end face, and collars is fixed on roll shaft.
The composite roll obtained is as shown in Figure 1.
The method for dismounting of above-described embodiment is as follows：Apply an axial compressive force to collars, make nut and collars it
Between produce spacing；Loosening nut, is removed after axial compressive force, successively removal nut, collars.
Embodiment 2：
There is the hard alloy compound roller of locking nut one end, and specific implementation step is as follows：
1st, as shown in figure 4, first carbide roll ring 2, hold-down ring 5 are sleeved on roll shaft 1 successively, roller
Coordinated between ring, hold-down ring and roll shaft using gap, above-mentioned carbide roll ring can also be for one or more
Spacer ring 4 (as shown in Figure 2) can be placed between individual collars, multiple collars.(multiple collars are meant for collars side
Outermost collars) positioned by roll shaft；
2nd, by locking nut 3 sets be attached to roll shaft opposite side, nut presses close to hold-down ring vertically, make nut with pressure
Locked in advance between tight ring.
3rd, as shown in figure 5, installing pressue device 7 additional after locking nut 3, pressue device is connected on roll shaft,
The pressure head top pressure hold-down ring 5 of pressue device, starts compression system, pressure head is successively to hold-down ring, collars and spacer ring
Apply 100~200MPa axial compressive force；
4th, gap is produced between hold-down ring and locking nut；
5th, locking nut, hold-down ring movement are screwed, and is brought into close contact with hold-down ring；What removal process 4 was produced
Gap between hold-down ring and locking nut.
6th, pressue device release and pressue device is removed；
7th, nut applies 100~200MPa of axial pressing force by compressing ring collars end face, and collars is fixed
On roll shaft.
The method for dismounting of above-described embodiment is as follows：To hold-down ring apply an axial compressive force, make locking nut with
Spacing is produced between hold-down ring；Loosening nut, is removed after axial compressive force, successively removal nut, hold-down ring,
Collars.
Embodiment 3
There is the hard alloy compound roller of locking nut one end, and specific implementation step 1-7 be the same as Examples 2 are also wrapped
Include following steps：
8th, an anti-return nut 6 is reloaded on the outside of the locking nut of roll shaft and is screwed, double nut locking is formed,
Prevent locking nut from being released when long-time is on active service, further improve and use reliability.The easy dress obtained is easy
The composite roll unloaded is as shown in Figure 2.
The method for dismounting of above-described embodiment is as follows：To hold-down ring apply an axial compressive force, make locking nut with
Spacing is produced between hold-down ring；Anti-return nut is unscrewed, locking nut is removed after axial compressive force, successively removal
Anti-return nut, locking nut, hold-down ring, collars.
Embodiment 4：
There is the hard alloy compound roller of locking nut at two ends, and specific implementation step is as follows：
1st, as shown in figure 3, first loading locking nut 3 in the side of roll shaft 1.
2nd, the hold-down ring 5 of multiple carbide roll rings 2, both sides from roll shaft opposite side is sleeved on roll shaft successively
On 1, spacer ring 4 can be placed between multiple collars, hold-down ring is located at the both sides of collars, the hold-down ring positioned at side
It is adjacent to the locking nut of side.Coordinated between collars, hold-down ring, spacer ring and roll shaft using gap.
3rd, 3 sets of the locking nut of roll shaft opposite side is attached on roll shaft and by the hold-down ring 5 of nut and opposite side
Between lock in advance.
4th, install pressue device additional after the locking nut of both sides respectively, pressue device is connected on roll shaft, pressurize
The pressure head top pressure hold-down ring of device, starts compression system, and collars and spacer ring of the pressure head to hold-down ring and above are applied
Plus 100~200MPa pressure；
5th, gap is produced between hold-down ring and locking nut；
6th, locking nut is screwed, the gap between hold-down ring and locking nut that removal process 5 is produced.
7th, close, release and remove pressue device；
8th, the nut of both sides applies 100~200MPa of axial pressing force by compressing ring collars end face, by roller
Ring is fixed on roll shaft.
9th, respectively load an anti-return nut 6 outside the locking nut of roll shaft both sides and screw, form double nut locking,
Obtain and as shown in Figure 3 easily fill frangible composite ring.
The method for dismounting of above-described embodiment is as follows：Apply an axial compressive force to the hold-down ring of both sides respectively, make
Spacing is produced between locking nut and hold-down ring；The anti-return nut of both sides is unscrewed, locking nut removes axial direction
After pressure, from both sides successively removal anti-return nut, locking nut, hold-down ring, collars.
The embodiment of above-mentioned embodiment only to explain the present invention, is not used to the limitation present invention.This
In inventive technique scheme, can also be according to actual use the need for, change the chi of mandrel, collars, nut etc.
Very little or material, or change size and/or structure of pressue device etc..Illustrated in without departing substantially from claims
The present invention in the case of, alterations and modifications can be made to embodiment.It is all the present invention spirit and
Any modifications, equivalent substitutions and improvements made within principle etc., should be included in protection scope of the present invention
Within.
Claims (10)
1. a kind of composite roll, including roll shaft and the collars that is sleeved on roll shaft, roll shaft coordinates with collars gap,
It is characterized in that：Nut is provided with the roll shaft of collars side, is brought into close contact between the nut and collars, and
Apply axial pressing force to collars.
2. composite roll according to claim 1, it is characterised in that：On the roll shaft of collars both sides
Nut is provided with, is brought into close contact between the nut and collars per side, and apply axially opposite thrust to collars.
3. composite roll according to claim 1 or 2, it is characterised in that：The collars and nut it
Between be provided with hold-down ring, hold-down ring coordinates with roller clearance, and nut is brought into close contact with hold-down ring, and passes through compression
Ring collars applies axial pressing force.
4. composite roll according to claim 1 or 2, it is characterised in that：The axial pressing force is
100~200MPa.
5. composite roll according to claim 3, it is characterised in that：The axial pressing force be 100~
200MPa。
6. composite roll according to claim 1 or 2, it is characterised in that：The nut is double nut,
The first nut being brought into close contact with collars is locking nut, and second nut in outside is anti-return nut.
7. a kind of preparation method of composite roll, it is characterised in that：Comprise the following steps：
A, collars is sleeved on roll shaft, gap coordinates between collars and roll shaft；
B, nut is screwed in it is arranged on roll shaft side, nut presses close to collars vertically；
C, to collars end face apply axial compressive force, be axially moveable collars, nut and collars spacing are increased；
D, rotation nut are moved to collars, and are brought into close contact with collars；
E, remove axial compressive force；
F, nut apply axial pressing force to collars end face, and collars is fixed on roll shaft.
8. a kind of preparation method of composite roll, it is characterised in that：Comprise the following steps：
A, collars, hold-down ring be sleeved on roll shaft successively, gap coordinates between collars, hold-down ring and roll shaft；
B, nut is screwed in it is arranged on roll shaft side, nut presses close to hold-down ring vertically；
C, to hold-down ring end face apply axial compressive force, be axially moveable hold-down ring, collars, nut with compress
Interannular is away from increasing；
D, rotation nut are moved to hold-down ring, and are brought into close contact with hold-down ring；
E, remove axial compressive force；
F, nut apply axial pressing force by compressing ring collars end face, and collars is fixed on roll shaft.
9. a kind of preparation method of composite roll, comprises the following steps：
A1, roll shaft side screw in the first locking nut；
A2, collars, the hold-down ring of both sides are sleeved on roll shaft successively, the compression of the first locking nut and side
Ring is pressed close to；Spacer ring is set between collars two-by-two, and gap coordinates between collars, hold-down ring, spacer ring and roll shaft；
B, by the second locking nut screw in be arranged on roll shaft opposite side, the second nut is vertically to the pressure of opposite side
Tight ring is pressed close to；
C, the hold-down ring end face application axial compressive force to both sides, are axially moveable hold-down ring, collars, lock
Nut is increased with hold-down ring spacing；
D, the locking nut of rotation both sides are moved to the hold-down ring of both sides, and are brought into close contact with hold-down ring；
E, remove axial compressive force；
F, nut apply axial pressing force by compressing ring collars end face, and collars is fixed on roll shaft.
10. a kind of preparation method of composite roll as described in claim 7-9 any claims, its feature
It is：The axial pressing force is 100~200MPa.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173037.3A CN107225152A (en) | 2016-03-23 | 2016-03-23 | A kind of composite roll and preparation method thereof |
| PCT/CN2016/093060 WO2017161793A1 (en) | 2016-03-23 | 2016-08-03 | Composite roll and preparation method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610173037.3A CN107225152A (en) | 2016-03-23 | 2016-03-23 | A kind of composite roll and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107225152A true CN107225152A (en) | 2017-10-03 |
Family
ID=59899293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610173037.3A Pending CN107225152A (en) | 2016-03-23 | 2016-03-23 | A kind of composite roll and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107225152A (en) |
| WO (1) | WO2017161793A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013706A (en) * | 2018-08-27 | 2018-12-18 | 湖南四昉新材料有限公司 | A kind of roll |
| CN109759450A (en) * | 2018-12-26 | 2019-05-17 | 中钢集团邢台机械轧辊有限公司 | A kind of combination roller and its manufacturing method for steel rolling |
| CN113714298A (en) * | 2017-12-11 | 2021-11-30 | 株洲硬质合金集团有限公司 | Combined roller, nut locking device and combined roller with nut locking device |
| CN114849845A (en) * | 2022-04-22 | 2022-08-05 | 成都利君实业股份有限公司 | Roller shaft capable of being assembled and disassembled in split manner and assembling and disassembling method thereof |
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| CN203018458U (en) * | 2012-12-30 | 2013-06-26 | 重庆川深金属新材料股份有限公司 | Spline type locking composite roll |
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- 2016-03-23 CN CN201610173037.3A patent/CN107225152A/en active Pending
- 2016-08-03 WO PCT/CN2016/093060 patent/WO2017161793A1/en active Application Filing
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| JPS57115905A (en) * | 1981-01-12 | 1982-07-19 | Hitachi Metals Ltd | Assembling method for assembly type rolling roll |
| CN2129657Y (en) * | 1992-07-29 | 1993-04-14 | 李宗祥 | Pre-stress combined roll |
| CN2262461Y (en) * | 1994-08-28 | 1997-09-17 | 陈德华 | Alloy combined roller |
| CN2436248Y (en) * | 2000-06-27 | 2001-06-27 | 烟台开发区东星工业有限责任公司 | Prestressing locked assembling roller |
| RU2185905C2 (en) * | 2000-11-13 | 2002-07-27 | ОАО Челябинский металлургический комбинат "МЕЧЕЛ" | Method for assembling built-up rolling rolls |
| CN102205347A (en) * | 2011-04-28 | 2011-10-05 | 株洲硬质合金集团有限公司 | Combined hydraulic pre-tightening locking device and hard alloy compound roller |
| CN102847716A (en) * | 2012-08-15 | 2013-01-02 | 浙江恒成硬质合金有限公司 | Composite hard alloy roller |
| WO2015137890A1 (en) * | 2014-03-13 | 2015-09-17 | Mehmet Sezai Birisci | Innovation in the process of ring fixing on roll shafts |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714298A (en) * | 2017-12-11 | 2021-11-30 | 株洲硬质合金集团有限公司 | Combined roller, nut locking device and combined roller with nut locking device |
| CN109013706A (en) * | 2018-08-27 | 2018-12-18 | 湖南四昉新材料有限公司 | A kind of roll |
| CN109759450A (en) * | 2018-12-26 | 2019-05-17 | 中钢集团邢台机械轧辊有限公司 | A kind of combination roller and its manufacturing method for steel rolling |
| CN114849845A (en) * | 2022-04-22 | 2022-08-05 | 成都利君实业股份有限公司 | Roller shaft capable of being assembled and disassembled in split manner and assembling and disassembling method thereof |
| CN114849845B (en) * | 2022-04-22 | 2023-08-04 | 成都利君实业股份有限公司 | Roll shaft capable of being assembled and disassembled in split mode and assembling and disassembling method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017161793A1 (en) | 2017-09-28 |
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