CN105619638B - A kind of mill or rolling mill roller and its manufacture method - Google Patents
A kind of mill or rolling mill roller and its manufacture method Download PDFInfo
- Publication number
- CN105619638B CN105619638B CN201610047629.0A CN201610047629A CN105619638B CN 105619638 B CN105619638 B CN 105619638B CN 201610047629 A CN201610047629 A CN 201610047629A CN 105619638 B CN105619638 B CN 105619638B
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- Prior art keywords
- roller
- shaft core
- roller shaft
- overcoat
- mill
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/62—Rollers, e.g. with grooves
- B29B7/625—Rollers, e.g. with grooves provided with cooling or heating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/46—Rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention discloses a kind of mill or the manufacture method of rolling mill roller and roller, roller includes roller shaft core, the roller overcoat being set-located, roller overcoat is chilled cast iron material or alloy chilled cast iron quality, and roller shaft core is 45 steel materials or 40Cr materials or 40MnB materials.Through hole is provided with the axle center of roller shaft core as sprue, through hole is interior to be provided with feed tube and shunting reflux, is provided between roller overcoat and roller shaft core and is opened in two medium runners that roller is put outside, medium runner connects by shunting reflux with sprue.Roller surface wearability of the present invention is good, rigidity is good, intensity is high, heat transfer effect is obvious, uniformity of temperature profile.
Description
Technical field
The present invention relates to mill and calender technical field, and in particular to a kind of mill or rolling mill roller, and
A kind of mill or the manufacture method of rolling mill roller.
Background technology
Mill and calender are the visual plants of rubber processing, are widely used, and mill is mainly used in sizing material
Mixing, calender is compacted to the sizing material being kneaded, extended, and roller is the main parts size of mill and calender,
Corrosion and rubbing action that can be by sizing material in work and larger horizontal pressure, to ensure the machining accuracy of product, it is desirable to roller
Cylinder must have sufficiently large intensity, rigidity and higher case hardness and wearability.According to different technological requirements, roller
Need that sizing material is heated or cooled when rolling sizing material.It is big due to that can be produced in the interaction process of sizing material and roller
The heat of amount, the too high quality and performance that can influence sizing material of temperature, it is therefore desirable to which roller has the good effect that cools.
In the prior art, set medium runner to be heated or cooled to sizing material in roller, traditional mill or
Roller in calender uses two kinds of temperature control modes of hollow type and hole drilling type more, and material is mostly chilled cast iron, and case hardness is big, resistance to
Mill property is good, but following defect be present：First, the fragility of chilled cast iron material is big, and internal toughness is poor, intensity deficiency, works as horizontal pressure
Easily it is broken when larger；2nd, the roller modulus of elasticity that chilled cast iron makes is smaller, poor rigidity, becomes under horizontal pressure effect
Shape amount is larger；3rd, hollow type roller heat exchange effect is poor, and drilled roll needs deep hole processing and inclined hole, and difficulty of processing is big, adds
Work cost is high, and cooling effect is general, it is impossible to ensures the uniformity of roller temperature distribution, and monolithic construction limits heat processing
The feasibility of the more preferable water channel of effect.
The content of the invention
It is an object of the invention to provide a kind of surface abrasion resistance is good, rigidity is good, intensity is high, heat transfer effect is obvious, temperature point
The uniform mill of cloth or the manufacture method of rolling mill roller and roller.
To achieve these goals, the technical solution of use is the present invention：
A kind of mill or rolling mill roller, including be set-located roller shaft core, roller overcoat, the roller overcoat
For chilled cast iron material or alloy chilled cast iron quality, top layer is chill, and hardness is high, and wearability is good, can bear in refining glue
During sizing material frictional force and corrosiveness.The roller shaft core is 45 steel materials or 40Cr materials or 40MnB materials, intensity
Greatly, rigidity is good, it is ensured that will not be broken when roller bears larger horizontal pressure, consult national standard and understand that cast iron, alloy are cold
The modulus of elasticity of hard cast iron is 110~160GPa, and the modulus of elasticity of 45 steel, 40Cr or 40MnB is 200~210GPa, therefore is made
Bending deformation quantity of the roller in stress can be substantially reduced by doing shaft core with 45 steel, 40Cr or 40MnB.
Mill as described above or rolling mill roller, through hole is provided with the axle center of the roller shaft core as sprue,
Feed tube and shunting reflux are provided with through hole；It is provided with to be opened in outside roller between the roller overcoat and roller shaft core and puts
Two medium runners, medium runner connects by shunting reflux with sprue；The shunting reflux includes being arranged
Two first seals in feed liquor tube outer surface, it is opened on feed tube and goes out liquid between two first seals
Sprue is separated out a cavity by hole, the drain pipe being fixed in first seal, two first seals, and drain pipe is successively
Through two first seals so as to connecting the sprue of cavity both sides；The inlet of two medium runners respectively with feed tube
Fluid hole connection in outlet and feed tube.For the inlet position of medium runner, the position of liquid outlet does not have
Body limits, as long as being arranged on the distal end of inlet, ensures that medium flows into from both ends simultaneously, two-way flow, heat exchange is uniform, changes
Thermal effect is good.Drum structure is simple, and intracavity through hole quantity is few, it is ensured that roller has enough mechanical strength and rigidity.The roller
Cylinder is on the premise of mechanical strength is ensured, thus it is possible to vary inner tube diameter size, the quantity of through hole, size and medium inlet and outlet it is big
It is small, the flow of heated cooling medium is controlled, and then influence heating, cooling effect.Medium runner is located at outside roller and put, with glue
Material distance compares to press close to, good effect of heat exchange.
Meanwhile according to needs of production, shunting reflux, shunting backflow dress can be set in the position that through hole needs
The quantity put can set one, can also set several；Shunt reflux set can by the inlet of medium runner,
Liquid outlet is flexibly placed, and can so realize two medium runners, and medium flows into from both ends simultaneously, two-way flow, ensure that roller
Cylinder temperature uniformity, reduce the stress deformation caused by temperature, solve medium disengaging the temperature difference it is big, heating, inhomogeneous cooling
It is even, and the problem of influence the quality and yield of product.
Mill as described above or rolling mill roller, the medium runner are spiral media runner；Roller overcoat it is interior
Surface offers two one end spiral surroundings along roller overcoat to the heat exchange groove of the other end, every heat exchange groove respectively with roller shaft
The outer surface of core cooperatively forms a spiral media runner, and two spiral media runners be arranged in parallel.Two heat exchange groove is not done mutually
Relate to, parallel distribution, pitch gap size is consistent.And heat exchange groove is square-section heat exchange groove.
Mill as described above or rolling mill roller, the is arranged with the feed liquor tube outer surface of feed tube outlet side
Two seals.Second seal coordinates with through hole to be sealed, and the medium for preventing from having exchanged heat enters the cavity.
Mill as described above or rolling mill roller, one end of the roller shaft core are connected with swivel joint, be used for into
Liquid and discharge opeing, the other end sealing of roller shaft core.
Mill as described above or rolling mill roller, the roller overcoat are matched somebody with somebody with roller shaft core by hot charging mode interference
Close connection.
Mill as described above or rolling mill roller, the outer surface of the roller shaft core are provided with fluid sealant, prevent medium
Leakage.
A kind of mill or the manufacture method of rolling mill roller, comprise the following steps：
(1) roller overcoat is processed：The blank of roller overcoat is obtained by casting method, roughing is first carried out, then in it
The part that surface needs to be engaged with roller shaft core is finished, and heat exchange groove is processed in its inner surface；
(2) roller shaft core is processed：Blank is obtained by casting method, preprocessing, including correction, cut end face are first carried out to blank
With the holes drilled through at axle center, the then outer surface of roughing through hole and roller shaft core, and being changed along the radial bore of roller shaft core
Heat channel connects with through hole, and roller shaft core is modulated processing afterwards；
(3) roller overcoat and roller shaft core are assembled：Roller overcoat is used with roller shaft core and is interference fitted, using the side of hot charging
Formula is assembled；
(4) last processing is carried out to overall roller, including the turning at other positions such as the finishing of roll surface and shaft shoulder adds
Work.
Mill as described above or the manufacture method of rolling mill roller, the mode of the hot charging include：Roller overcoat is adopted
With oil bath heating, it is fully immersed in fluid, the trade mark and empirical equation of the heating oil temperature according to fluidCalculate,
T in formula0、δ、δ0, α, l be respectively environment temperature, axle and the magnitude of interference in hole, heating rear axle and hole gap value, workpiece linear expansion
Coefficient and the internal diameter in heated hole；After roller overcoat 1 is heated to predetermined temperature, taking-up is assembled immediately, and is once assemblied in roller
On the precalculated position of shaft core, centre must not pause, and assembling blanket roller shaft core surface applies fluid sealant, natural cooling after the completion of assembling.
Wherein, the dimensional tolerance that the roller overcoat coordinates with roller shaft core is basic hole system H7r6.
The present invention being capable of caused beneficial effect：Roller overcoat is manufactured from shaft core using different materials, has concentrated two kinds
The advantages of material, roller overall rigidity is improved while roller surface hardness is ensured, reduces the flexural deformation of roller
Amount, ensure that machining accuracy, simultaneously because using modular design, reduce the difficulty of processing and cost of heat exchange groove；Medium by
Roller both ends enter, and both ends outflow, medium flows in opposite directions, and medium flow direction is on the contrary, can make the roller temperature temperature difference between adjacent media runner
Diminish, roller temperature surface temperature is close to ensure that being heated or cooled uniformly for calender or mill machine drum body working face, solves roller
The temperature difference is big, heating, the problem of inhomogeneous cooling is even, improves the heat transfer effect of roller and the uniformity of Temperature Distribution；Medium flow field
Road is located at outside roller and put, and presses close to sizing material, good effect of heat exchange.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of mill or rolling mill roller.
Accompanying drawing 2 is that medium flows to schematic diagram.
Wherein：1. roller overcoat, 2. roller shaft cores, 3. swivel joints, 4. first liquid outlets, 5. second inlets, 6.
One spiral media runner, 7. second spiral media runners, 8. sealant layers, 9. second liquid outlets, 10. the 3rd seals, 11. methods
Blue disk, 12. bolts, 13. first inlets, 14. first seals, 15. drain pipes, 16. feed tubes, 17. second seals；
18th, through hole；19th, fluid hole.
Embodiment
1~2 pair of embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of mill or rolling mill roller, including be set-located roller shaft core 2, roller overcoat 1,
Roller overcoat 1 is chilled cast iron material or alloy chilled cast iron quality, and top layer is chill.Roller shaft core 2 be 45 steel materials or
40Cr materials or 40MnB materials.Roller overcoat 1 is interference fitted by hot charging mode with roller shaft core 2 and is connected.Roller shaft core 2
Outer surface is provided with fluid sealant, sealant layer 8 as depicted, for preventing dielectric leakage.
Sprue is used as provided with through hole 18 at the axle center of roller shaft core 2, feed tube 16 is provided with through hole 18 and shunting flows back
Device, the inner surface of roller overcoat 1 offers two one end spiral surroundings along roller overcoat 1 to the heat exchange groove of the other end, often
Bar heat exchange groove cooperatively forms a spiral media runner, respectively the first spiral media stream with the outer surface of roller shaft core 2 respectively
The spiral media runner 7 of road 6 and second, two spiral media runners be arranged in parallel, non-interference, parallel distribution, and pitch interval is big
It is small consistent.The groove that exchanges heat is square-section heat exchange groove.Two spiral media runner is connected by shunting reflux with sprue.
One end of roller shaft core 2 is connected with swivel joint 3, and for feed liquor and discharge opeing, the other end of roller shaft core 2 is provided with ring flange 11,
Ring flange 11 is fixed in roller shaft core 2 by bolt 12 and sealed with the 3rd seal 10.
Shunting reflux includes being set in two first seals 14 of the outer surface of feed tube 16, is opened in feed tube 16
Go up and be located at the fluid hole 19 between two first seals 14, the drain pipe 15 being fixed in first seal 14.Two
Sprue is separated out a cavity by one seal 14, and the second inlet 5 of the second spiral media runner 7 connects with the cavity,
Liquid in feed tube 16 is oozed out into the cavity from fluid hole 19, then enters the second spiral media by the second inlet 5
Runner 7, finally flowed out from the second liquid outlet 9, it is preferred that the second liquid outlet is located at second sealing on first seal 14 and right side
Between part 17 and close to the side of second seal 17.Drain pipe 15 sequentially passes through two first seals 14 so as to connect cavity both sides
Sprue.Second seal 17, the end of feed tube 16 are arranged with the outer surface of feed tube 16 of the outlet side of feed tube 16
End, through hole 18, ring flange 11 and second seal 17 also form a cavity, the first inlet of the first spiral media runner 6
13 connect with the cavity, and the liquid medium of the outlet outflow of the end of feed tube 16 enters the cavity, then passes through the first inlet
13 flow into the first spiral media runner, are finally flowed out from the first liquid outlet 4, it is preferred that the first liquid outlet 4 is located at swivel joint 3
Between the first seal 14 in left side.
First seal 14, second seal 17, the 3rd seal 10 use sealing ring.
Below when the roller is cooled down using cooling water to sizing material exemplified by, introduce operation principle：Cooling water by
The feed tube 16 of swivel joint 3 enters inside through hole 18.A part of cooling water by the fluid hole 19 above feed tube 16 flow into by
The cavity that through hole 18 and first seal 14 form, and then the second spiral media runner 7 is entered by the second inlet 5, through second
Spiral media runner 7 is flowed out by the second liquid outlet 9, and cooling water is flowed out by through hole 18 through drain pipe 15, and then enters swivel joint
3, discharged by swivel joint.Another part enters the cooling water of feed tube 16, is passed into the other end of roller shaft core, is entered by first
Liquid mouth 13 enters, and through the first spiral media runner 6, is discharged by the first liquid outlet 4, the cooling water after effect is by the row of swivel joint 3
Go out.In whole process, cooling water is flowed into by mandrel both ends, is carried out cooling effect, be ensure that cooling uniformity, cooling effect is significantly
Improve.Medium of the medium in two spiral media runners is illustrated in Fig. 2 and flows to schematic diagram, in two spiral media runners
Medium flows in opposite directions.
The present embodiment also discloses the manufacture method of a kind of mill or rolling mill roller, comprises the following steps：
(1) roller overcoat 1 is processed：The blank of roller overcoat 1 is obtained by casting method, roughing is first carried out, then to it
The part that inner surface needs to be engaged with roller shaft core 2 is finished, and two separate spirals are processed in its inner surface
Type heat exchange groove；
(2) roller shaft core 2 is processed：Blank is obtained by casting method, preprocessing, including correction, cut end are first carried out to blank
Face and holes drilled through 18 at axle center, the then outer surface of roughing through hole 18 and roller shaft core 2, and along the radial direction of roller shaft core 2
Drilling connects heat exchange groove with through hole 18, and roller shaft core 2 is modulated processing afterwards；
(3) roller overcoat 1 and roller shaft core 2 are assembled：Roller overcoat 1 is with roller shaft core 2 using interference fit, dimensional tolerance
For basic hole system H7r6, assembled by the way of hot charging, the mode of the hot charging includes：Roller overcoat 1 uses oil bath heating, all
It is immersed in fluid, heating oil temperature should be less than 20~30 DEG C of fluid flash-point, annealing temperature 400 of the maximum temperature not above cast iron
DEG C, the trade mark and empirical equation of the actual temp according to fluidCalculate, t in formula0、δ、δ0, α, l be respectively environment
Temperature, axle and the magnitude of interference in hole, the gap value of heating rear axle and hole, workpiece linear expansion coefficient and the internal diameter in heated hole (tool
Body numerical basis national standard GB/T 5994-1992)；
After roller overcoat 1 is heated to predetermined temperature, taking-up is assembled immediately, and is once assemblied in the pre-determined bit of roller shaft core 2
Put, centre must not pause, and the surface of assembling blanket roller shaft core 2 applies fluid sealant, prevents medium from revealing, naturally cold after the completion of assembling
But, it should not be quenched, after room temperature is cooled to, last processing is carried out to overall roller.
(4) last processing is carried out to overall roller, including the turning at other positions such as the finishing of roll surface and shaft shoulder adds
Work.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made in the essential scope of the present invention, it should also belong to the present invention's
Protection domain.
Claims (9)
1. a kind of mill or rolling mill roller, it is characterised in that：Including be set-located roller shaft core, roller overcoat, institute
It is chilled cast iron material or alloy chilled cast iron quality to state roller overcoat, the roller shaft core be 45 steel materials or 40Cr materials or
40MnB materials；Through hole is provided with the axle center of the roller shaft core as sprue, through hole is interior to be filled provided with feed tube and shunting backflow
Put；It is provided between the roller overcoat and roller shaft core and is opened in that two put outside roller be arranged in parallel and interior media is opposite
The spiral media runner of flowing, medium runner are connected by shunting reflux with sprue；The shunting reflux includes
Two first seals of feed liquor tube outer surface are set in, are opened on feed tube and going out between two first seals
Sprue is separated out a cavity by fluid apertures, the drain pipe being fixed in first seal, two first seals, drain pipe according to
It is secondary to pass through two first seals to connect the sprue of cavity both sides；The inlet of two medium runners respectively with feed tube
Outlet and feed tube on fluid hole connection.
2. mill according to claim 1 or rolling mill roller, it is characterised in that：The medium runner is spiral media
Runner；The inner surface of roller overcoat offers two one end spiral surroundings along roller overcoat to the heat exchange groove of the other end, every
Heat exchange groove cooperatively forms a spiral media runner with the outer surface of roller shaft core respectively, and two spiral media runners are parallel to be set
Put.
3. mill according to claim 1 or rolling mill roller, it is characterised in that：Close to the feed liquor of feed tube outlet side
Second seal is arranged with tube outer surface.
4. mill according to claim 1 or rolling mill roller, it is characterised in that：One end of the roller shaft core and rotation
Adapter connects, and for feed liquor and discharge opeing, the other end of roller shaft core seals.
5. mill according to claim 1 or rolling mill roller, it is characterised in that：The roller overcoat and roller shaft core
Connection is interference fitted by hot charging mode.
6. mill or rolling mill roller according to claim 1 or 5, it is characterised in that：The appearance of the roller shaft core
Face is provided with fluid sealant.
A kind of 7. manufacture method of mill or rolling mill roller as described in claim 1~6 is any, it is characterised in that：Bag
Include following steps：
(1) roller overcoat is processed：The blank of roller overcoat is obtained by casting method, roughing is first carried out, then to its inner surface
Need to be finished with the part that roller shaft core is engaged, heat exchange groove is processed in its inner surface；
(2) roller shaft core is processed：Blank is obtained by casting method, first to blank carry out preprocessing, including correction, cut end face and
Holes drilled through at axle center, the then outer surface of roughing through hole and roller shaft core, and will be exchanged heat groove along the radial bore of roller shaft core
Connected with through hole, roller shaft core is modulated processing afterwards；
(3) roller overcoat and roller shaft core are assembled：Roller overcoat, using being interference fitted, is filled with roller shaft core by the way of hot charging
Match somebody with somebody；
(4) last processing, including the finishing of roll surface and the shaft shoulder and the turnery processing at other positions are carried out to overall roller.
8. mill according to claim 7 or the manufacture method of rolling mill roller, it is characterised in that：The side of the hot charging
Formula includes：Roller overcoat uses oil bath heating, is fully immersed in fluid, the trade mark and empirical equation of the heating oil temperature according to fluidCalculate, t in formula0、d、d0, a, l be respectively environment temperature, axle and the magnitude of interference in hole, heating rear axle and hole between
The internal diameter of gap amount, workpiece linear expansion coefficient and heated hole；
After roller overcoat 1 is heated to predetermined temperature, taking-up is assembled immediately, and is once assemblied on the precalculated position of roller shaft core,
Centre must not pause, and assembling blanket roller shaft core surface applies fluid sealant, natural cooling after the completion of assembling.
9. mill according to claim 8 or the manufacture method of rolling mill roller, it is characterised in that：The roller overcoat
The dimensional tolerance coordinated with roller shaft core is basic hole system H7r6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047629.0A CN105619638B (en) | 2016-01-25 | 2016-01-25 | A kind of mill or rolling mill roller and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610047629.0A CN105619638B (en) | 2016-01-25 | 2016-01-25 | A kind of mill or rolling mill roller and its manufacture method |
Publications (2)
| Publication Number | Publication Date |
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| CN105619638A CN105619638A (en) | 2016-06-01 |
| CN105619638B true CN105619638B (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610047629.0A Active CN105619638B (en) | 2016-01-25 | 2016-01-25 | A kind of mill or rolling mill roller and its manufacture method |
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| DE102017202356A1 (en) * | 2017-02-14 | 2018-08-16 | Bayerische Motoren Werke Aktiengesellschaft | Rotor shaft for an electric machine and electric machine |
| CN107297851A (en) * | 2017-08-01 | 2017-10-27 | 双钱集团（江苏）轮胎有限公司 | Two-roll calendar roller enters water return pipeline system and device |
| CN109158434A (en) * | 2018-09-19 | 2019-01-08 | 陕西龙门钢铁有限责任公司 | A kind of roller track cooling device |
| CN110480264B (en) * | 2019-08-16 | 2021-04-30 | 昆山新合宇制辊有限公司 | Slotted cold and hot roller processing technology |
| CN114248072B (en) * | 2021-12-20 | 2023-03-10 | 益阳橡胶塑料机械集团有限公司 | GN shearing type internal mixer rotor body processing method and processing equipment |
| WO2023138712A1 (en) * | 2022-01-18 | 2023-07-27 | Matthews International Corporation | Temperature-controllable calender roller for manufacturing an electrode track using the dry electrode process |
| CN115056041B (en) * | 2022-06-28 | 2023-03-31 | 江苏中科云控智能工业装备有限公司 | Die casting surface treatment device with area detection function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204644Y (en) * | 1994-10-09 | 1995-08-09 | 贺启明 | Sleeving roller |
| CN202860983U (en) * | 2012-07-18 | 2013-04-10 | 袁飞 | High-intensity roller with composite structure |
| CN204194429U (en) * | 2014-10-24 | 2015-03-11 | 三鑫重工机械有限公司 | Composite (back-up) roll structure |
| CN205466852U (en) * | 2016-01-25 | 2016-08-17 | 青岛科技大学 | Mill or calender roller |
-
2016
- 2016-01-25 CN CN201610047629.0A patent/CN105619638B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2204644Y (en) * | 1994-10-09 | 1995-08-09 | 贺启明 | Sleeving roller |
| CN202860983U (en) * | 2012-07-18 | 2013-04-10 | 袁飞 | High-intensity roller with composite structure |
| CN204194429U (en) * | 2014-10-24 | 2015-03-11 | 三鑫重工机械有限公司 | Composite (back-up) roll structure |
| CN205466852U (en) * | 2016-01-25 | 2016-08-17 | 青岛科技大学 | Mill or calender roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105619638A (en) | 2016-06-01 |
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