CN106424628B - Centrifugal casting automatic continuous production technique - Google Patents
Centrifugal casting automatic continuous production technique Download PDFInfo
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- CN106424628B CN106424628B CN201611062379.4A CN201611062379A CN106424628B CN 106424628 B CN106424628 B CN 106424628B CN 201611062379 A CN201611062379 A CN 201611062379A CN 106424628 B CN106424628 B CN 106424628B
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- 238000009750 centrifugal casting Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010924 continuous production Methods 0.000 title claims abstract description 23
- 239000010953 base metal Substances 0.000 claims abstract description 100
- 230000005484 gravity Effects 0.000 claims abstract description 12
- 238000010791 quenching Methods 0.000 claims abstract description 11
- 230000000171 quenching effect Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000011819 refractory material Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/02—Centrifugal casting; Casting by using centrifugal force of elongated solid or hollow bodies, e.g. pipes, in moulds rotating around their longitudinal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/06—Melting-down metal, e.g. metal particles, in the mould
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention is centrifugal casting automatic continuous production technique.It realizes that continuous centrifugal is cast using the closed base metal cylinder for having been loaded with cast material, these closed base metal cylinders in tandem continuously automatic feed or are promoted pot arch in turn, when reaching centrifugal casting temperature, slope is borrowed to slide into rotating wheel group by self gravity after pot arch out；After rotation generates centrifugal casting effect, it is cooled to set temperature immediately, completes quenching, leaning on self gravity to borrow after ejection, slope is sliding or manipulator clips on billy gate or conveyer belt, and product is gone to process；Meanwhile the latter has gone out the base metal cylinder of pot arch just again in rotating wheel group, starts rotating centrifugal casting；Open the capping of base metal cylinder both ends, coarse-fine processing, such Continuous maching.The present invention realizes the continuous centrifugal casting production flowing water processing of automation, improves production efficiency, saves manpower and material, reduces production cost, ensure that the quality of product.
Description
Technical field
The present invention relates to a kind of centrifugal casting techniques, more particularly to centrifugal casting automatic continuous production technique.
Background technique
Centrifugal casting is a kind of casting process of maturation, is the method using the hollow tubular article of centrifugal forming.Centrifugation
Casting may be utilized in fabricating base steel bimetallic tubular article, such as 2016106952267 closed type centrifugal casting method of number of patent application,
Disclose the double gold of base steel of the base steel bimetallic tubular article using centrifugal casting process acquisition for manufacturing bimetal sliding bearing
Belong to tubular article.As long as the metal or alloy of casting is packed into base metal cylinder with solid state at normal temperature；It is filled with guarantor
After protecting gas, the both ends of base metal cylinder are all closed；The base metal cylinder is heated up to the fusing point of interior metal or alloy or more,
Then centrifugal casting is done in rotation, and the solution of metal or alloy in base metal cylinder is made uniformly to be fixed on the inner wall of base metal cylinder
On；After cooling, lid closed at both ends is opened, is the bimetallic cylinder product cast after the processing of surface.Although the technique compared with
Solves the problems, such as the centrifugal casting of the base steel bimetallic tubular article for manufacturing bimetal sliding bearing well.But for large quantities of
Amount production bimetallic bearing also needs further to consider the continuity of the entire technological process of production and improves production efficiency, in this side
There are also to be solved and improvement in face.
Summary of the invention
The purpose of the present invention is in conjunction with centrifugal casting and be heat-treated work on the basis of existing closed type centrifugal casting method
Skill solves the problems, such as the centrifugally cast continuous production of base steel bimetallic tubular article of bimetal sliding bearing.
In order to achieve the above object, a kind of centrifugal casting automatic continuous production technique of the invention, feature is successively:
(1) round tubular base metal cylinder is prepared；
(2) one end of end cap closed base metal cylinder is used；
(3) metal or alloy to be cast is packed into base metal cylinder closed at one end with solid-state like at normal temperature；
(4) protective gas is filled in base metal cylinder；
(5) other end of end cap closed base metal cylinder is used, so that base metal cylinder is closed container；
(6) closed base metal cylinder in tandem is by continuously automatic feed or propulsion pot arch add one by one
Heat heats base metal cylinder to the fusing point of interior metal or alloy or more, melts the metal or alloy in base metal cylinder completely
Change；
(7) go out heating fire door base metal cylinder borrows slope to slide into rotating wheel group by self gravity, or is clipped to by manipulator
In rotating wheel group, centrifugally cast revolving speed, time are pressed immediately, base metal cylinder is rotated, carry out centrifugal casting, make the gold melted
Belong to or alloy is uniformly adhered on the inner wall of base metal cylinder；
(8) in the case where base metal cylinder continues rotation, according to the hardening heat, cooling velocity, cooling of base metal cylinder material
With the quenching technical requirement of medium, the rapid cooling of base metal cylinder is controlled, achievees the effect that quenching；
(9) base metal cylinder leans on self gravity after the completion of quenching, by means of slope it is sliding or by manipulator by base metal collet chuck to
Product processing is sent on billy gate or conveyer belt；
(10) simultaneously, a base metal cylinder for having gone out stove is also completed to heat below, starts the centrifugal casting of above-mentioned (7)
There are 2-10 minutes in process, from (7) to (9) this period；
(11) capping at base metal cylinder both ends is opened with cutting machine or stock-removing machine；
(12) base metal cylinder inner and outer surfaces are processed, bimetallic cylinder product is become.
The material of the base metal cylinder is steel.
The material of the base metal cylinder is No. 40 steel or No. 45 steel.
The alloy of the casting is copper alloy.
The copper alloy is CuSn5Zn5Pb5 or CuZn25Al6Fe3Mn3 or CuSn12.
The connection of the base metal cylinder and end cap is welded or the connection of refractory material adhesive.
The protective gas being filled with is argon gas or carbon dioxide gas or nitrogen.
The base metal cylinder is by continuously automatic feed or propulsion heating stove heating are using conveyer belt one by one
Or pot arch is promoted with hydraulic cylinder or pneumatic cylinder.
The pot arch is induction heater or tubular heater.
The centrifugal casting, the revolving speed of base metal cylinder are 50 revs/min to 5000 revs/min.
The cooling is air or water or oil with medium.
The rapid cooling is to be cooled fast to the temperature of a setting, and the temperature set is 100 DEG C to 500 DEG C.
The bimetallic cylinder product is cut into the short cylinder product of two or more bimetallics.
According to above-mentioned centrifugal casting automatic continuous production technique, in addition to the bimetallic centrifugal casting of base steel and rapid cooling
And outside advantage possessed by quenching technical, the continuous centrifugal casting production line of automation is realized, production efficiency is improved,
Manpower and material are saved, the environmental condition consistency of front and back production is also ensured while reducing production cost, effectively
Ground ensure that the quality and its stability of product.
Detailed description of the invention
Fig. 1 is centrifugal casting automatic continuous production process route chart.
Specific embodiment
The invention will be further described with reference to the accompanying drawing and by embodiment.
Fig. 1 is the process route chart of centrifugal casting automatic continuous production technique.As seen from the figure, centrifugal casting of the present invention
Automatic continuous production technique is as follows:
(1) round tubular base metal cylinder is prepared；
(2) one end of end cap closed base metal cylinder is used；
(3) metal or alloy to be cast is packed into base metal cylinder closed at one end with solid-state like at normal temperature；
(4) protective gas is filled in base metal cylinder；
(5) other end of end cap closed base metal cylinder is used, so that base metal cylinder is closed container；
(6) closed base metal cylinder in tandem is by continuously automatic feed or propulsion pot arch add one by one
Heat heats base metal cylinder to the fusing point of interior metal or alloy or more, melts the metal or alloy in base metal cylinder completely
Change；
(7) go out heating fire door base metal cylinder borrows slope to slide into rotating wheel group by self gravity, or is clipped to by manipulator
In rotating wheel group, centrifugally cast revolving speed, time are pressed immediately, base metal cylinder is rotated, carry out centrifugal casting, make the gold melted
Belong to or alloy is uniformly adhered on the inner wall of base metal cylinder；
(8) in the case where base metal cylinder continues rotation, according to the hardening heat, cooling velocity, cooling of base metal cylinder material
With the quenching technical requirement of medium, the rapid cooling of base metal cylinder is controlled, achievees the effect that quenching；
(9) base metal cylinder leans on self gravity after the completion of quenching, by means of slope it is sliding or by manipulator by base metal collet chuck to
Product processing is sent on billy gate or conveyer belt；
(10) simultaneously, a base metal cylinder for having gone out stove is also completed to heat below, starts the centrifugal casting of above-mentioned (7)
There are 2-10 minutes in process, from (7) to (9) this period；
(11) capping at base metal cylinder both ends is opened with cutting machine or stock-removing machine；
(12) base metal cylinder inner and outer surfaces are processed, bimetallic cylinder product is become.
Embodiment 1
A. No. 40 base metal cylinders for preparing 200 millimeters of tube length, 55 millimeters of internal diameter, 80 millimeters of outer diameter, are provided with 764 grams
The rodlike or granular CuSn5Zn5Pb5 copper alloy of weight, filled with argon gas, the both ends of base metal cylinder are closed with argon arc welding；
B. base metal cylinder closed in tandem continuously in turn by automatic pusher promote pot arch in heated,
Pot arch is Medium Frequency Induction Heating Furnace；
C. reach 1020 degree of centrifugal casting temperature in degree Celsius in the temperature of pot arch exit base metal cylinder；
D. base metal cylinder slides into rotating wheel group by self gravity by means of slope after having gone out stove；
E. rotating centrifugal casting is done, the revolving speed of base metal cylinder is 720 revs/min；
F. 380 degree Celsius are quickly cooled to water in the case where base metal cylinder continues rotation；
G. cylinder borrows slope to slide on billy gate by self gravity, sends to product processing；
H. simultaneously, the latter has gone out the base metal cylinder of pot arch just and has slided into rotating wheel group, has started next
A rotating centrifugal casting this about 4 minutes of period (C to G) of；
I. the capping at base metal cylinder both ends is opened with cutting machine, and the base metal cylinder is cut into three sections；
J. last surface processing generates three by each centrifugally cast closed base metal cylinder of surfaces externally and internally processing
Steel copper alloy dual-metal cylinder product.
Embodiment 2
A. No. 45 base metal cylinders for preparing 300 millimeters of tube length, 68 millimeters of internal diameter, 95 millimeters of outer diameter, are provided with 1420 grams
The rodlike or granular CuZn25Al6Fe3Mn3 copper alloy of weight, filled with argon gas, the both ends of base metal cylinder are closed with argon arc welding；
B. closed base metal cylinder in tandem continuously in turn by automatic pusher promote pot arch in heated,
Pot arch is Medium Frequency Induction Heating Furnace；
C. reach 1000 degree of centrifugal casting temperature in degree Celsius in the temperature of pot arch exit base metal cylinder；
D. base metal cylinder slides into rotating wheel group by self gravity by means of slope after having gone out stove；
E. rotating centrifugal casting is done, the revolving speed of base metal cylinder is 600 revs/min；
F. 400 degree Celsius are quickly cooled to water in the case where base metal cylinder continues rotation；
G. base metal cylinder borrows slope to slide on billy gate by self gravity, sends to product processing；
H. simultaneously, the latter has gone out the base metal cylinder of pot arch just and has slided into rotating wheel group, has started next
Rotating centrifugal casting this about 4 minutes of period (C to G) of；
I. the capping that base metal cylinder both ends are opened with cutting machine, is cut into two sections by the waist；
J. last surface processing generates two by each centrifugally cast closed base metal cylinder of surfaces externally and internally processing
Steel copper alloy dual-metal cylinder product.
Claims (13)
1. a kind of centrifugal casting automatic continuous production technique, feature is successively:
(1) round tubular base metal cylinder is prepared；
(2) one end of end cap closed base metal cylinder is used；
(3) metal or alloy to be cast is packed into base metal cylinder closed at one end with solid-state like at normal temperature；
(4) protective gas is filled in base metal cylinder；
(5) other end of end cap closed base metal cylinder is used, so that base metal cylinder is closed container；
(6) closed base metal cylinder in tandem by continuously one by one automatic feed or promote heating stove heating, add
More than hot substrate metal cylinder to the fusing point of interior metal or alloy, melt the metal or alloy in base metal cylinder completely；
(7) go out heating fire door base metal cylinder borrows slope to slide into rotating wheel group by self gravity, or clips to rotation by manipulator
In wheel group, immediately press centrifugally cast revolving speed, time, base metal cylinder is rotated, carry out centrifugal casting, make molten metal or
Alloy is uniformly adhered on the inner wall of base metal cylinder；
(8) in the case where base metal cylinder continues rotation, according to the hardening heat of base metal cylinder material, cooling velocity, cooling Jie
The quenching technical requirement of matter, controls the rapid cooling of base metal cylinder, achievees the effect that quenching；
(9) base metal cylinder leans on self gravity after the completion of quenching, borrow slope sliding or by manipulator by base metal collet chuck to movable
Product processing is sent on trolley or conveyer belt；
(10) simultaneously, a base metal cylinder for having gone out stove is also completed to heat below, starts the centrifugal casting work of above-mentioned (7)
Sequence, from (7) to (9), there are 2-4 minutes in this period；
(11) capping at base metal cylinder both ends is opened with cutting machine or stock-removing machine；
(12) base metal cylinder inner and outer surfaces are processed, bimetallic cylinder product is become.
2. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the base metal cylinder
Material is steel.
3. centrifugal casting automatic continuous production technique according to claim 2, it is characterized in that the base metal cylinder
Material is No. 40 steel or No. 45 steel.
4. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the alloy of the casting is
Copper alloy.
5. centrifugal casting automatic continuous production technique according to claim 4, it is characterized in that the copper alloy is
CuSn5Zn5Pb5 or CuZn25Al6Fe3Mn3 or CuSn12.
6. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the base metal cylinder with
The connection of end cap is welded or the connection of refractory material adhesive.
7. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the protection gas being filled with
Body is argon gas or carbon dioxide gas or nitrogen.
8. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the base metal cylinder quilt
Continuous automatic feed one by one or propulsion heating stove heating are added using conveyer belt or with hydraulic cylinder or pneumatic cylinder propulsion
Warm furnace.
9. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the pot arch is sense
Answer heating furnace or tubular heater.
10. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the centrifugal casting,
The revolving speed of its base metal cylinder is 50 revs/min to 5000 revs/min.
11. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the cooling medium
For air or water or oil.
12. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the rapid cooling is
It is cooled fast to the temperature of a setting, the temperature set is 100 DEG C to 500 DEG C.
13. centrifugal casting automatic continuous production technique according to claim 1, it is characterized in that the bimetallic cylinder produces
Product are cut into the short cylinder product of two or more bimetallics.
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| CN201611062379.4A CN106424628B (en) | 2016-11-23 | 2016-11-23 | Centrifugal casting automatic continuous production technique |
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| CN201611062379.4A CN106424628B (en) | 2016-11-23 | 2016-11-23 | Centrifugal casting automatic continuous production technique |
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| CN108031810B (en) * | 2017-11-27 | 2019-06-14 | 宁波江北珂达汽车技术有限公司 | The casting method of tubing workpiece |
| CN108237213A (en) * | 2017-12-29 | 2018-07-03 | 上海天阳钢管有限公司 | A kind of process for manufacturing bimetallic composite bearing blank |
| CN112570688B (en) * | 2020-11-11 | 2021-12-31 | 中北大学 | Solid-liquid forming steel-copper bimetallic material heat treatment method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4573523A (en) * | 1984-11-05 | 1986-03-04 | Hatch Associates Ltd. | Method of and apparatus for continuous centrifugal casting |
| CN101104203A (en) * | 2006-07-10 | 2008-01-16 | 徐明良 | Method for manufacturing bimetallic barrel |
| JP2012110956A (en) * | 2010-11-26 | 2012-06-14 | Nagoya Institute Of Technology | Method for producing cylindrically-shaped casting |
| CN102747365A (en) * | 2012-06-20 | 2012-10-24 | 北京科技大学 | Preparation method for steel pipe having wear-resistant and corrosion-resistant lining layer |
| CN105149554A (en) * | 2015-09-09 | 2015-12-16 | 安徽省凯峰塑料机械有限公司 | Process for processing seamless steel pipe for plastic machinery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203697335U (en) * | 2014-01-26 | 2014-07-09 | 株洲海天工程塑料实业有限公司 | Continuous centrifugal casting production device for MC nylon |
-
2016
- 2016-11-23 CN CN201611062379.4A patent/CN106424628B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4573523A (en) * | 1984-11-05 | 1986-03-04 | Hatch Associates Ltd. | Method of and apparatus for continuous centrifugal casting |
| CN101104203A (en) * | 2006-07-10 | 2008-01-16 | 徐明良 | Method for manufacturing bimetallic barrel |
| JP2012110956A (en) * | 2010-11-26 | 2012-06-14 | Nagoya Institute Of Technology | Method for producing cylindrically-shaped casting |
| CN102747365A (en) * | 2012-06-20 | 2012-10-24 | 北京科技大学 | Preparation method for steel pipe having wear-resistant and corrosion-resistant lining layer |
| CN105149554A (en) * | 2015-09-09 | 2015-12-16 | 安徽省凯峰塑料机械有限公司 | Process for processing seamless steel pipe for plastic machinery |
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Address after: No.18, Hongwei North Road, ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Shuangfei Oil Free Bearing Group Co.,Ltd. Address before: No.18, Hongwei North Road, ganyao Town, Jiashan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG SF OILLESS BEARING Co.,Ltd. |