CN105964693A - Planetary rolling production technology of nickel-based high-temperature alloy tube - Google Patents
Planetary rolling production technology of nickel-based high-temperature alloy tube Download PDFInfo
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- CN105964693A CN105964693A CN201610017233.1A CN201610017233A CN105964693A CN 105964693 A CN105964693 A CN 105964693A CN 201610017233 A CN201610017233 A CN 201610017233A CN 105964693 A CN105964693 A CN 105964693A
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- pipe
- planetary rolling
- nickel
- production technology
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- 238000005096 rolling process Methods 0.000 title claims abstract description 53
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 11
- 239000000956 alloy Substances 0.000 title claims abstract description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 229910000601 superalloy Inorganic materials 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000005266 casting Methods 0.000 claims description 10
- 238000003801 milling Methods 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 239000011505 plaster Substances 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 238000005098 hot rolling Methods 0.000 abstract description 2
- 238000009749 continuous casting Methods 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 229910000792 Monel Inorganic materials 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
- B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
- B21B19/06—Rolling hollow basic material, e.g. Assel mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/46—Roll speed or drive motor control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/48—Tension control; Compression control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/78—Control of tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/18—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for step-by-step or planetary rolling; pendulum mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The invention relates to a planetary rolling production technology of a nickel-based high-temperature alloy tube, and the technology comprises the steps of inspecting the quality of the surface of a planetary mill upper tool roll and a core rod; adjusting a dog drift angle of 8.6-8.9 DEG; then unlatching an auxiliary system and a main motor of the planetary mill, preheating the auxiliary motor, and filling nitrogen in the planetary mill; sending a parison tube in an induction heater for preheating at the speed of 0.4-0.8m/min and at the temperature of 300-600 DEG C; and finally conducting rolling in the planetary mill. The production technology is simple; a horizontal continuous casting hollow ingot of a nickel-based high-temperature alloy tube is processed by planetary rolling continuously to produce the parison tube; the rolling yield and the efficiency are high; the dog drift angle is adjusted, and a suitable parison tube sending speed and a heating temperature are selected in the parison tube preheating step, therefore, the rolling force can be reduced by 20%-40%, and the parison tube can be sent through the roller and the core rod stably; the power of the main motor is raised in the parison tube hot rolling process, therefore the rolled tube has fine equiaxed grains and good drawable performance.
Description
Technical field
The present invention relates to the planetary rolling production technology of a kind of nickel base superalloy pipe, belong to nickel-based alloy pipe technology of preparing
Field.
Background technology
Nickel base superalloy, because having the performance such as high-temp and high-strength, excellent corrosion resistance, is widely used in chemical industry, oil, sea
Ocean industry. wait key areas.
The production technology that nickel base superalloy pipe is traditional at present is: vacuum casting-strip off the skin-bore a hole-extrude--reconditioning-and repeatedly
Cold rolling, heat treatment-finish rolling to finished product-arrangement-flaw detection, pressure test-annealing detection warehouse-in, this production technology is Ф to external diameter
The production technology of the nickel base superalloy pipe of more than 30mm is more ripe, but the pipe production then rolling for below Ф 30mm (is drawn
Pull out) number of channels is many, heat treatment often, at rolling external diameter Ф 20mm, because of the tiny appearance of plug core bar during the following specification of especially Ф 12mm
Easily breaking, and rolling yield is the lowest, if using cold-drawn, being needed sawing to take the lead head because the factor such as length, speed of pulling a cart limits
And lumber recovery is low, simultaneously need to the drawing of multi-pass and inefficiency, cost is high.And patent " dish of monel metal pipe draws life
Production. art-201410059315.3 " then use the extruded method drawn with dish of big extruder, for below Ф 20mm
Monel metal pipe has significantly improved lumber recovery and production efficiency, but the input cost of big extruder is high, only extrudes perforation
The lumber recovery of operation is 60～about 80%.
Summary of the invention
The invention aims to solve the nickel base superalloy pipe prepared of traditional processing technology less at rolling external diameter
Easily break because plug core bar is tiny during specification, and the problem that rolling yield is the lowest, it is provided that a kind of knot preparation method is simple
The planetary rolling production technology of nickel base superalloy pipe, the nickel base superalloy pipe lumber recovery prepared is high, efficiency is high.
The present invention adopts the following technical scheme that the planetary rolling production technology of a kind of nickel base superalloy pipe, including as follows
Step:
(1) checking that on planetary rolling, tool and mould roll and mandrel surface quality guarantee to install correct, fastening, adjusting dog drift angle is
8.6～8.9 °；
(2) geared parts is lubricated by the aid system Lubricating-oil Station opening planetary rolling, opens hydraulic power unit and prepares to run liquid
Pressure system；
(3) start mair motor, first make at a slow speed main frame deep bid to rotate, restart auxiliary motor and progressively rise to 800～1000r/min,
Then raise speed 1000r/min by mair motor, empty machine operating 8min；
(4) before planet mill milling 15min in planetary rolling cover, sensing heater, directed cavity in be filled with nitrogen as guarantor
Protecting device, nitrogen flow is 100～200L/min, nitrogen gas purity more than 99.99%；
(5) with horizontal casting nickel-base high-temperature corrosion resistant alloy hollow cast ingot for base pipe, select the plug matched with base pipe, open sense
Answer heater and base pipe to be sent into motor, preheat sending base pipe to enter in sensing heater by the speed of 0.4～0.8m/min, sense
The temperature answering heater is 300～600 DEG C, and pressure is 160～190V；
(6) the base pipe after preheating rolls after being nipped by planetary rolling mill roller after the directed cavity by 0.8m length, progressively adjusts
Whole feeding motor thrust, adjusts thrust according to auxiliary motor size of current, and it is 400～500A that subsidiary engine electric current controls, the merit of mair motor
Rate is 1400～1600KW；
(7) lengthening coefficient of the pipe shut out is 8～16, produces the biggest deformation energy in rolling, the temperature of pipe be 720～
920 DEG C, water spray chilling makes the pipe shut out have tiny equi-axed crystal, good drawability and excellent wall thickness public affairs subsequently
Difference；
(8) pipe is curled into coil pipe base on coiling system and is used for following process.
Further, in described step (5), horizontal casting nickel-base high-temperature corrosion resistant alloy hollow cast ingot is through milling face, described milling
Surface thickness x-xmm is removed in face.
Further, in described step (7) during water spray chilling water temperature be 35 DEG C (write as form x of scope～x DEG C) with
Under, pressure 2kg(is write as form x～the x kg of scope) more than, spray flow 50～100m3/h.
Further, by the one end of pipe introducing prebending machine before pipe curling in described step (8), by pipe around
Tighten with adhesive plaster after prebending machine one circle, then pre-bending machine is adjusted and be crimped to suitable pre-bending position.
Further, in described step (6), mair motor speed is 1400～2000r/min, deep bid rotating speed be 500～
580rpm。
The production technology of the present invention is simple, and nickel base superalloy pipe hollow ingot horizontally and continuously cast is used planetary rolling Continuous Heat
Shut out pipe draw for the cold rolling i.e. dish of subsequent handling, cold drawn, its lumber recovery is high, efficiency is high, and adjusting dog drift angle is 8.6～8.9 °,
Make to increase roll in the operation of rolling to the gmatjpdumamics of base pipe and feeding force, alleviate the power of rolling, at the preheating steps of base pipe
Base pipe feed rate that middle selection is suitable for and heating-up temperature, it is possible to reduce roll power 20～40%, beneficially base pipe stable by rolling
Roller and plug, improve the power of mair motor in the course of hot rolling of base pipe, can be made the tubing shut out by regulation auxiliary motor rotating speed
Do not rotate, by during milling train under the effect of aximal deformation value and deformation speed, the pipe rolled out has tiny equiax crystal
Grain, good drawability and excellent wall thickness tolerance.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment one:
The nickel base superalloy trade mark is NCu30, and wherein the mass percent of main component is: Ni >=63%, Cu:28-34%, Fe≤
2.5%, Mn≤2%. horizontal casting hollow ingot pipe specifications are Φ 85*20.
Planetary rolling production craft step is as follows:
(1) checking that on planetary rolling, tool and mould roll and mandrel surface quality guarantee to install correct, fastening, adjusting dog drift angle is
8.7°；
(2) geared parts is lubricated by the aid system Lubricating-oil Station opening planetary rolling, opens hydraulic power unit and prepares to run liquid
Pressure system；
(3) start mair motor, first make at a slow speed main frame deep bid to rotate, restart auxiliary motor and progressively rise to 900r/min, then will
Mair motor raises speed 1000r/min, empty machine operating 8min；
(4) before planet mill milling 15min in planetary rolling cover, sensing heater, directed cavity in be filled with nitrogen as guarantor
Protecting device, nitrogen flow is 100～200L/min, nitrogen gas purity more than 99.99%；
(5) with horizontal casting nickel-base high-temperature corrosion resistant alloy hollow cast ingot for base pipe, select the plug matched with base pipe, open sense
Answering heater and base pipe to be sent into motor, preheat sending base pipe to enter in sensing heater by the speed of 0.5m/min, sensing adds
The temperature of hot device is 520 DEG C, and pressure is 160V；
(6) the base pipe after preheating rolls after being nipped by planetary rolling mill roller after the directed cavity by 0.8m length, progressively adjusts
Whole feeding motor thrust, adjusts thrust according to auxiliary motor size of current, and it is 400～500A that subsidiary engine electric current controls, the merit of mair motor
Rate is 1500KW；
(7) the pipe specification shut out is Φ 48*2.6, and lengthening coefficient reaches 11, produces the biggest deformation energy in rolling, pipe
Temperature is 870 DEG C, and water spray chilling makes the pipe shut out have tiny equi-axed crystal, good drawability and excellent wall subsequently
Thick tolerance, during water spray chilling, water temperature is less than 35 DEG C, more than pressure 2kg, spray flow 50～100m3/h；
(8) hold up tube head to introduce prebending machine, with easy-to-draw that adhesive plaster is tightened after a circle, in case tube head blocks, cambering roll is transferred to
Suitably pre-bending position；Pipe is coiled into by coiling system the dish of diameter 3200mm in case following process.
Embodiment two:
The nickel base superalloy trade mark is the planetary rolling of NCu28-1-1, and wherein the mass percent of main component is: Ni is remaining
Amount, Cu:28-32%, Fe:1-1.4%, Mn:1-1.4%. horizontal casting hollow ingot pipe specification is Φ 90*23, and step is as follows:
(1) checking that on planetary rolling, tool and mould roll and mandrel surface quality guarantee to install correct, fastening, adjusting dog drift angle is
8.6°；
(2) geared parts is lubricated by the aid system Lubricating-oil Station opening planetary rolling, opens hydraulic power unit and prepares to run liquid
Pressure system；
(3) start mair motor, first make at a slow speed main frame deep bid to rotate, restart auxiliary motor and progressively rise to 800r/min, then will
Mair motor raises speed 1000r/min, empty machine operating 8min；
(4) before planet mill milling 15min in planetary rolling cover, sensing heater, directed cavity in be filled with nitrogen as guarantor
Protecting device, nitrogen flow is 100～200L/min, nitrogen gas purity more than 99.99%；
(5) with horizontal casting nickel-base high-temperature corrosion resistant alloy hollow cast ingot for base pipe, select the plug matched with base pipe, open sense
Answering heater and base pipe to be sent into motor, preheat sending base pipe to enter in sensing heater by the speed of 0.5m/min, sensing adds
The temperature of hot device is 530 DEG C, and pressure is 175V；
(6) the base pipe after preheating rolls after being nipped by planetary rolling mill roller after the directed cavity by 0.8m length, progressively adjusts
Whole feeding motor thrust, adjusts thrust according to auxiliary motor size of current, and it is 400～500A that subsidiary engine electric current controls, the merit of mair motor
Rate is 1500KW；
(7) the pipe specification shut out is Φ 48*2.8, and lengthening coefficient reaches 12, produces the biggest deformation energy in rolling, pipe
Temperature is 890 DEG C, and water spray chilling makes the pipe shut out have tiny equi-axed crystal, good drawability and excellent wall subsequently
Thick tolerance, during water spray chilling, water temperature is less than 35 DEG C, more than pressure 2kg, spray flow 50～100m3/h；
(8) hold up tube head to introduce prebending machine, with easy-to-draw that adhesive plaster is tightened after a circle, in case tube head blocks, cambering roll is transferred to
Suitably pre-bending position；Pipe is coiled into by coiling system the dish of diameter 3200mm in case following process.
Embodiment three:
The nickel base superalloy trade mark is the planetary rolling of NCu28-2.5-1.5, and wherein the mass percent of main component is, and: Ni is
Surplus, Cu:27-29%, Fe:2-3%, Mn:1.2-1.8%. horizontal casting hollow ingot pipe specification is Φ 90*23, and step is as follows:
(1) checking that on planetary rolling, tool and mould roll and mandrel surface quality guarantee to install correct, fastening, adjusting dog drift angle is
8.9°；
(2) geared parts is lubricated by the aid system Lubricating-oil Station opening planetary rolling, opens hydraulic power unit and prepares to run liquid
Pressure system；
(3) start mair motor, first make at a slow speed main frame deep bid to rotate, restart auxiliary motor and progressively rise to 900r/min, then will
Mair motor raises speed 1000r/min, empty machine operating 8min；
(4) before planet mill milling 15min in planetary rolling cover, sensing heater, directed cavity in be filled with nitrogen as guarantor
Protecting device, nitrogen flow is 100～200L/min, nitrogen gas purity more than 99.99%；
(5) with horizontal casting nickel-base high-temperature corrosion resistant alloy hollow cast ingot for base pipe, select the plug matched with base pipe, open sense
Answering heater and base pipe to be sent into motor, preheat sending base pipe to enter in sensing heater by the speed of 0.5m/min, sensing adds
The temperature of hot device is 560 DEG C, and pressure is 190V；
(6) the base pipe after preheating rolls after being nipped by planetary rolling mill roller after the directed cavity by 0.8m length, progressively adjusts
Whole feeding motor thrust, adjusts thrust according to auxiliary motor size of current, and it is 400～500A that subsidiary engine electric current controls, the merit of mair motor
Rate is 1500KW；
(7) the pipe specification shut out is Φ 48*3, and lengthening coefficient reaches 12, produces the biggest deformation energy in rolling, the temperature of pipe
Degree is 900 DEG C, and water spray chilling makes the pipe shut out have tiny equi-axed crystal, good drawability and excellent wall thickness subsequently
Tolerance, during water spray chilling, water temperature is less than 35 DEG C, more than pressure 2kg, spray flow 50～100m3/h；
(8) hold up tube head to introduce prebending machine, with easy-to-draw that adhesive plaster is tightened after a circle, in case tube head blocks, cambering roll is transferred to
Suitably pre-bending position；Pipe is coiled into by coiling system the dish of diameter 3200mm in case following process.
Claims (5)
1. the planetary rolling production technology of a nickel base superalloy pipe, it is characterised in that: comprise the steps:
(1) checking that on planetary rolling, tool and mould roll and mandrel surface quality guarantee to install correct, fastening, adjusting dog drift angle is
8.6～8.9 °；
(2) geared parts is lubricated by the aid system Lubricating-oil Station opening planetary rolling, opens hydraulic power unit and prepares to run liquid
Pressure system；
(3) start mair motor, first make at a slow speed main frame deep bid to rotate, restart auxiliary motor and progressively rise to 800～1000r/min,
Then mair motor is raised speed to 800～1000r/min, empty machine operating 8～10min；
(4) before planet mill milling 10～15min in planetary rolling cover, be filled with nitrogen in sensing heater, directed cavity and make
For protector, nitrogen flow is 100～200L/min, nitrogen gas purity more than 99.99%；
(5) with horizontal casting nickel-base high-temperature corrosion resistant alloy hollow cast ingot for base pipe, select the plug matched with base pipe, open sense
Answer heater and base pipe to be sent into motor, preheat sending base pipe to enter in sensing heater by the speed of 0.4～0.8m/min, sense
The temperature answering heater is 300～600 DEG C, and pressure is 160～190V；
(6) the base pipe after preheating rolls after being nipped by planetary rolling mill roller after the directed cavity by 0.8m length, progressively adjusts
Whole feeding motor thrust, adjusts thrust according to auxiliary motor size of current, and it is 400～500A that subsidiary engine electric current controls, the merit of mair motor
Rate is 1400～1600KW；
(7) lengthening coefficient of the pipe shut out is 8～16, produces the biggest deformation energy in rolling, the temperature of pipe be 720～
920 DEG C, water spray chilling makes the pipe shut out have tiny equi-axed crystal, good drawability and excellent wall thickness public affairs subsequently
Difference；
(8) pipe is curled into coil pipe base on coiling system and is used for following process.
2. the planetary rolling production technology of nickel base superalloy pipe as claimed in claim 1, it is characterised in that: described step
(5) in, horizontal casting nickel-base high-temperature corrosion resistant alloy hollow cast ingot is through milling face, and surface thickness 0.3～1mm is removed in described milling face.
3. the planetary rolling production technology of nickel base superalloy pipe as claimed in claim 1, it is characterised in that: described step
(7) in, during water spray chilling, water temperature is less than 35 DEG C, pressure 1.5～4kg, spray flow 50～100m3/h。
4. the planetary rolling production technology of nickel base superalloy pipe as claimed in claim 1, it is characterised in that: described step
(8) before pipe crimps, the one end of pipe is introduced prebending machine in, tighten with adhesive plaster after pipe is enclosed around prebending machine one, so
After pre-bending machine adjusted be crimped to suitable pre-bending position.
5. the planetary rolling production technology of nickel base superalloy pipe as claimed in claim 1, it is characterised in that: described step
(6) in, mair motor speed is 1400～2000r/min, and deep bid rotating speed is 500～580rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017233.1A CN105964693B (en) | 2016-01-12 | 2016-01-12 | The planetary rolling production technology of nickel base superalloy pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610017233.1A CN105964693B (en) | 2016-01-12 | 2016-01-12 | The planetary rolling production technology of nickel base superalloy pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105964693A true CN105964693A (en) | 2016-09-28 |
| CN105964693B CN105964693B (en) | 2018-02-02 |
Family
ID=56988505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610017233.1A Active CN105964693B (en) | 2016-01-12 | 2016-01-12 | The planetary rolling production technology of nickel base superalloy pipe |
Country Status (1)
| Country | Link |
|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517478A (en) * | 2018-04-04 | 2018-09-11 | 浙江久立特材科技股份有限公司 | A kind of manufacturing process of the small-bore accurate pipe of 718 alloy |
| CN109016449A (en) * | 2018-08-30 | 2018-12-18 | 华南理工大学 | The super high molecular weight polymer method for rolling and molding and equipment to be extended based on dynamic |
| CN110743914A (en) * | 2019-10-14 | 2020-02-04 | 武汉科技大学 | Method for determining technological parameters of three-roller planetary rolling bismuth-containing stainless steel bar |
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| CN1390678A (en) * | 2002-07-24 | 2003-01-15 | 江苏兴荣高新科技股份有限公司 | Warm machining method for making titanium or Ti-alloy pipe |
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| JP5765191B2 (en) * | 2011-11-01 | 2015-08-19 | 新日鐵住金株式会社 | Method for producing seamless pipe made of high Cr-high Ni base alloy |
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2016
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|---|---|---|---|---|
| US4876870A (en) * | 1987-03-26 | 1989-10-31 | Outokumpu Oy | Method for manufacturing tubes |
| CN1390655A (en) * | 2002-07-24 | 2003-01-15 | 江苏兴荣高新科技股份有限公司 | Warm machining method for macking carbon steel pipe or alloy steel pipe |
| CN1390678A (en) * | 2002-07-24 | 2003-01-15 | 江苏兴荣高新科技股份有限公司 | Warm machining method for making titanium or Ti-alloy pipe |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517478A (en) * | 2018-04-04 | 2018-09-11 | 浙江久立特材科技股份有限公司 | A kind of manufacturing process of the small-bore accurate pipe of 718 alloy |
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| CN109016449A (en) * | 2018-08-30 | 2018-12-18 | 华南理工大学 | The super high molecular weight polymer method for rolling and molding and equipment to be extended based on dynamic |
| CN109016449B (en) * | 2018-08-30 | 2023-11-24 | 华南理工大学 | Method and equipment for rolling and forming ultrahigh molecular weight polymer based on dynamic extension |
| CN110743914A (en) * | 2019-10-14 | 2020-02-04 | 武汉科技大学 | Method for determining technological parameters of three-roller planetary rolling bismuth-containing stainless steel bar |
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