CN103775770A - Externally-connected water pipe connecting structure for centrifugal casting machine - Google Patents

Externally-connected water pipe connecting structure for centrifugal casting machine Download PDF

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Publication number
CN103775770A
CN103775770A CN201410013857.7A CN201410013857A CN103775770A CN 103775770 A CN103775770 A CN 103775770A CN 201410013857 A CN201410013857 A CN 201410013857A CN 103775770 A CN103775770 A CN 103775770A
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CN
China
Prior art keywords
water pipe
centrifugal casting
casting machine
shell
blind hole
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Granted
Application number
CN201410013857.7A
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Chinese (zh)
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CN103775770B (en
Inventor
朱传斌
孔令松
肖玉忠
贾耀红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEBEI XINXING DUCTILE IRON PIPES CO Ltd
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HEBEI XINXING DUCTILE IRON PIPES CO Ltd
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Priority to CN201410013857.7A priority Critical patent/CN103775770B/en
Publication of CN103775770A publication Critical patent/CN103775770A/en
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Publication of CN103775770B publication Critical patent/CN103775770B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/18Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses characterised by the use of additional sealing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D13/00Centrifugal casting; Casting by using centrifugal force
    • B22D13/10Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/28Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses for hoses with one end terminating in a radial flange or collar

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints Allowing Movement (AREA)

Abstract

The invention discloses an externally-connected water pipe connecting structure for a centrifugal casting machine and relates to the technical field of equipment accessories of water cooling metal type centrifugal casting machines. The externally-connected water pipe connecting structure for the centrifugal casting machine comprises the centrifugal casting machine, a middle water pipe, a first sealing rotary connector, a second sealing rotary connector and a water source pipeline. The middle water pipeline is arranged between the water source pipeline and the centrifugal casting machine, the first sealing rotary connector is arranged between a water inlet pipe of the centrifugal casting machine and the middle water pipe, the second sealing rotary connector is arranged between the middle water pipe and the water source pipeline, and the middle water pipe is a hose. Due to the fact that the first sealing rotary connector and the second sealing rotary connector are arranged on the connecting portions of the centrifugal casing machine, the middle water pipe and the water source pipeline, in the process of production of the centrifugal casing machine, the angle of the middle water pipe can be freely adjusted, bending and twisting of the middle water pipe can be avoided, the service life of the middle water pipe is prolonged, the operation cost is reduced, the labor intensity of a maintenance person is relieved, and the production efficiency is improved.

Description

Centrifugal casting machine external water pipe linkage structure
Technical field
The present invention relates to water-cooled metal mould centrifugal casting machine equipment part technical field.
Background technique
Centrifugal casting is that liquid metal is poured in the casting mold of rotation, makes the effect retrofilling casting mold and a kind of casting method of solidifying formation of liquid metal at centrifugal force.Water-cooled metal mould centrifugal casting machine is by the quantitative fan-shaped bag isogonism speed rotation on casting machine by molten iron after satisfactory nodularization, make molten iron along casting flow-injection groove flow into High Rotation Speed by water-cooled pipe die, when pouring molten iron, cast pipe machine does constant speed movement, on pipe die inwall time, condense rapidly and form cast tube, after solidifying, again cast tube being extracted from pipe die.
The cooling water system of water-cooled metal mould centrifugal casting machine mainly connects external water source pipeline by middle water pipe and provides, middle water pipe is to be fixedly connected with by flange with being connected of external water source pipeline, in the process of cast, middle water pipe is also along with main frame walking, produce very large torsion with fixing external water source pipeline, add span between centrifugal casting machine very narrow, and middle water pipe can not follow the walking of centrifugal casting machine to adjust angle, along with the increase of cast tube yielding capacity, the rhythm of production of centrifugal casting machine is accelerated, the increase of output when machine, used outside diameter is that the middle water pipe of the heavy caliber of Φ 152 is along with centrifugal casting machine pulls a cart often to give a discount especially in process up and down, affect cooling water flow, cause cooling effect and casting quality poor, or there is the phenomenon that flange-interface comes off, in the middle of causing, reduce the working life of water pipe, production and safety have all been caused to very big impact, maintenance man is in the aerial also inconvenience of changing of height, repair density and workload are increased.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of simple in structure, easy to use, can extend in the middle of water pipe working life, guarantee cooling water flow and casting quality, minimizing maintenance man's labor intensity, the centrifugal casting machine external water pipe linkage structure of enhancing productivity.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of centrifugal casting machine external water pipe linkage structure, comprise centrifugal casting machine, middle water pipe and water pipeline, also comprise the first seal swivel joint, the second seal swivel joint, in the middle of described, water pipe is arranged between water pipeline and centrifugal casting machine, the first seal swivel joint is arranged between the intake pipe and middle water pipe of centrifugal casting machine, in the middle of the second seal swivel joint is arranged on, between water pipe and water pipeline, described middle water pipe is flexible pipe.
Preferably, described the first seal swivel joint is identical with the structure of the second seal swivel joint, include rotating shaft and shell, shown in wherein one end of rotating shaft and shell cooperatively interact, the other end of described rotating shaft is fixed with the first flange, shown in the other end of shell be fixed with the second flange, between described rotating shaft and shell fitting surface, be provided with thrust ball bearing and axle card, described rotating shaft cylindrical is provided with platform circle and draw-in groove, described shell and rotating shaft connecting end are provided with the first blind hole, the second blind hole and the 3rd blind hole, described thrust ball bearing is arranged in the small end face of rotating shaft platform circle and the first blind hole of shell, described axle card is arranged in draw-in groove and in the second blind hole, described rotating shaft is arranged in the 3rd blind hole of shell, described thrust ball bearing is fixed on shell interior edge face by annular gland, between described annular gland and shell, be provided with 3 above fastening screw trip bolts, the end face of described the first flange is provided with an O type ring recess, described annular gland endoporus is provided with the 2nd O type circle groove, in described the 2nd O type circle groove, be provided with the 2nd O type circle, the inner hole surface that described shell coordinates with rotating shaft platform disc is provided with the 3rd O type circle groove, in described the 3rd O type circle groove, is provided with the 3rd O type circle.
Preferably, the corresponding thrust ball bearing of described shell periphery place is provided with lubricating cup.
Preferably, described shell comprises link and housing, described link and housing welding, described link endoporus coordinates with housing cylindrical, described lubricating cup is arranged on the periphery of link, and described the second blind hole is blind hole in link, and described thrust ball bearing is arranged in the second blind hole, described the 3rd blind hole is blind hole in housing, and the 3rd O type circle groove is arranged in the 3rd blind hole.
Preferably, described fastening screw trip bolt quantity is 8, is hexagon socket cap head screw.
Preferably, described the first seal swivel joint is flange with the second seal swivel joint and being connected of the intake pipe of centrifugal casting machine, middle water pipe and water pipeline and is connected, and described connection part is equipped with sealing gasket
Adopt the beneficial effect that produces of technique scheme to be: by centrifugal casting machine, connection part between middle water pipe and water pipeline arranges the first seal swivel joint and the second seal swivel joint, middle water pipe adopts flexible pipe design can increase the flexibility of middle water pipe, centrifugal casting machine is moved in process of production more easily, the first seal swivel joint and the second seal swivel joint can be realized by thrust ball bearing the without hindrance rotation of 360 degree rotation of rotating shaft and shell, the lubricating cup of shell side plays the effect of lubricated thrust ball bearing, sealing gasket has guaranteed the intake pipe of the first seal swivel joint and the second seal swivel joint and centrifugal casting machine, the connection part sealing of middle water pipe and water pipeline is good, the 2nd O type circle and the 3rd O type circle have met the rotating shaft of the first seal swivel joint and the second seal swivel joint and the sealing of shell connection part.The present invention can realize in the process of pulling a cart up and down at centrifugal casting machine, middle water pipe can angle-adjustable, avoid the discounting distortion of middle water pipe, increase the working life of middle water pipe, guarantee cooling water flow and casting quality, reduce operating cost, reduce maintenance man labor intensity, enhance productivity, increase economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the structural representation of the first seal swivel joint and the second seal swivel joint in Fig. 1;
In figure: 1-centrifugal casting machine, water pipe in the middle of 2-, 3-water pipeline, 4-the first seal swivel joint, 5-the second seal swivel joint, 6-rotating shaft, 7-shell, 8-the first flange, 9-the second flange, 10-thrust ball bearing, 11-axle card, 12-annular gland, 13-fastening screw trip bolt, 14-lubricating cup, 15-the one O type ring recess, 16-the 2nd O type circle, 17-the 3rd O type circle, 71-link, 72-housing.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
A kind of centrifugal casting machine external water pipe linkage structure as shown in Figure 1, 2, comprise centrifugal casting machine 1, middle water pipe 2 and water pipeline 3, also comprise the first seal swivel joint 4, the second seal swivel joint 5, in the middle of described, water pipe 2 is arranged between water pipeline 3 and centrifugal casting machine 1, the first seal swivel joint 4 is arranged between the intake pipe and middle water pipe 2 of centrifugal casting machine 1, in the middle of the second seal swivel joint 5 is arranged on, between water pipe 2 and water pipeline 3, described middle water pipe 2 is flexible pipe.Adopt the first seal swivel joint 4 to be connected with the second seal swivel joint 5, middle water pipe 2 adopts flexible pipe design can increase the flexibility of middle water pipe 2, in the middle of making, water pipe 2 can be arbitrarily angled and can not give a discount along with rotating of centrifugal casting machine 1, extended working life; Described the first seal swivel joint 4 and the second seal swivel joint 5 are equipped with sealing gasket with the connection part of intake pipe, middle water pipe 2 and the water pipeline 3 of centrifugal casting machine 1.
Described the first seal swivel joint 4 is identical with the structure of the second seal swivel joint 5, include rotating shaft 6 and shell 7, shown in wherein one end of rotating shaft 6 and shell 7 cooperatively interact, the other end of described rotating shaft 6 is fixed with the first flange 8, shown in the other end of shell 7 be fixed with the second flange 9, between described rotating shaft 6 and shell 7 fitting surfaces, be provided with thrust ball bearing 10 and axle card 11, described rotating shaft 6 cylindricals are provided with platform circle and draw-in groove, described shell 7 is provided with the first blind hole with rotating shaft 6 connecting ends, the second blind hole and the 3rd blind hole, described thrust ball bearing 10 is arranged in the small end face of 6 circles of rotating shaft and the first blind hole of shell 7, described axle card 11 is arranged in draw-in groove and in the second blind hole, described rotating shaft 6 is arranged in the 3rd blind hole of shell 7, described thrust ball bearing 10 is fixed on shell 7 interior edge faces by annular gland 12, between described annular gland 12 and shell 7, be provided with 3 above fastening screw trip bolts 13, can be designed to 8 hexagon socket cap head screws, by 8 hexagon socket cap head screws, annular gland 12 is tightened together with shell 7, the corresponding thrust ball bearing of described shell 7 peripheries 10 places are provided with lubricating cup 14, and thrust ball bearing 10 is lubricated, axle card 11 adopts 65Mn material, by axle card 11 and thrust ball bearing 10, rotating shaft 6 and shell 7 is linked together, the end face of described the first flange 8 is provided with an O type ring recess 15, described annular gland 12 endoporus are provided with the 2nd O type circle groove, in described the 2nd O type circle groove, be provided with the 2nd O type circle 16, the inner hole surface that 6 discs of described shell 7 and rotating shaft coordinate is provided with the 3rd O type circle groove, in described the 3rd O type circle groove, be provided with the 3rd O type circle 17, when application and the flange connection surface that coordinates of the first flange 8 between an O type circle is set, a described O type circle, the 2nd O type circle 16, the 3rd O type circle 17 all adopts butyronitrile material, the one O type circle, the 2nd O type circle 16, the intake pipe of the 3rd O type circle 17 and the first seal swivel joint 4 and the second seal swivel joint 5 and centrifugal casting machine 1, sealing gasket between the connection part of middle water pipe 2 and water pipeline 3 all seals, guarantee the inside connection sealing of the first seal swivel joint 4 and the second seal swivel joint 5 and be attached thereto the sealing of the flange fitting surface connecing.
As a kind of preferred structure, described rotating shaft 6 and the first flange 8 be fixed as welding, shown in shell 7 and the second flange 9 be fixed as welding, described shell 7 comprises link 71 and housing 72, described link 71 welds with housing 72, split-type design facilitates processing and fabricating, is welded to connect and can meets fixation; Described link 71 endoporus coordinate with housing 72 cylindricals, described lubricating cup 14 is arranged on the periphery of link 71, described the second blind hole is the interior blind hole of link 71, described thrust ball bearing 10 is arranged in the second blind hole, described the 3rd blind hole is the interior blind hole of housing 72, the 3rd O type circle groove is arranged in the 3rd blind hole, and the 3rd O type circle groove can be designed to 2.
In production application, when in the middle of heavy caliber, water pipe cylindrical adopts Φ 152, use the first seal swivel joint 4 and the second seal swivel joint 5 as jointing, the through-hole diameter of rotating shaft 6 and housing 72 is designed to Φ 125, thrust ball bearing 10 can be selected 51130 models, the one O type circle can select 160*5.3 specification, the 2nd O type circle 16 can select 155*3.55 specification, and two the 3rd O type circles 17 can be selected 150*7 specification.
By at centrifugal casting machine 1, connection part in the middle of heavy caliber between water pipe 2 and water pipeline 3 arranges the first seal swivel joint 4 and the second seal swivel joint 5, middle water pipe 2 adopts flexible pipe design can increase the flexibility of middle water pipe 2, centrifugal casting machine 1 is moved in process of production more easily, the first seal swivel joint 4 and the second seal swivel joint 5 can be realized rotating shaft 6 by thrust ball bearing 10 and rotate without hindrance rotation with 360 degree of shell 7, the lubricating cup 14 of shell 7 sides plays the effect of lubricated thrust ball bearing 10, sealing gasket has guaranteed the intake pipe of the first seal swivel joint 4 and the second seal swivel joint 5 and centrifugal casting machine 1, the connection part sealing of middle water pipe 2 and water pipeline 3 is good, the 2nd O type circle and the 3rd O type circle 16 have met the rotating shaft 6 of the first seal swivel joint 4 and the second seal swivel joint 5 and the sealing of shell 7 connection parts.
In actual applications, above-mentioned the first seal swivel joint 4 and the second seal swivel joint 5 also can be selected outsourcing according to need of production.
In sum, the present invention has simple in structure, easy to use, water pipe working life in the middle of can extending, reduce maintenance man's labor intensity, the advantage of enhancing productivity, can realize in the process of pulling a cart up and down at centrifugal casting machine, middle water pipe 2 can angle-adjustable, avoid the discounting distortion of middle water pipe 2, increase the working life of middle water pipe 2, greatly save the consumption of machine material, reduction equipment operating cost, reduce maintenance man's labor intensity, output while greatly having improved machine, enhance productivity, correspondingly increase more economic benefit.

Claims (6)

1. a centrifugal casting machine external water pipe linkage structure, comprise centrifugal casting machine (1), middle water pipe (2) and water pipeline (3), it is characterized in that: also comprise the first seal swivel joint (4), the second seal swivel joint (5), in the middle of described, water pipe (2) is arranged between water pipeline (3) and centrifugal casting machine (1), the first seal swivel joint (4) is arranged between the intake pipe and middle water pipe (2) of centrifugal casting machine (1), the second seal swivel joint (5) is arranged between middle water pipe (2) and water pipeline (3), in the middle of described, water pipe (2) is flexible pipe.
2. centrifugal casting machine external water pipe linkage structure according to claim 1, it is characterized in that: described the first seal swivel joint (4) is identical with the structure of the second seal swivel joint (5), include rotating shaft (6) and shell (7), wherein one end of described rotating shaft (6) and shell (7) cooperatively interacts, the other end of described rotating shaft (6) is fixed with the first flange (8), shown in the other end of shell (7) be fixed with the second flange (9), between described rotating shaft (6) and shell (7) fitting surface, be provided with thrust ball bearing (10) and axle card (11), described rotating shaft (6) cylindrical is provided with platform circle and draw-in groove, described shell (7) is provided with the first blind hole with rotating shaft (6) connecting end, the second blind hole and the 3rd blind hole, described thrust ball bearing (10) is arranged in the small end face of rotating shaft (6) platform circle and the first blind hole of shell (7), described axle card (11) is arranged in draw-in groove and in the second blind hole, described rotating shaft (6) is arranged in the 3rd blind hole of shell (7), described thrust ball bearing (10) is fixed on shell (7) interior edge face by annular gland (12), between described annular gland (12) and shell (7), be provided with 3 above fastening screw trip bolts (13), the end face of described the first flange (8) is provided with an O type ring recess (15), described annular gland (12) endoporus is provided with the 2nd O type circle groove, in described the 2nd O type circle groove, be provided with the 2nd O type circle (16), the inner hole surface that described shell (7) coordinates with rotating shaft (6) platform disc is provided with the 3rd O type circle groove, in described the 3rd O type circle groove, is provided with the 3rd O type circle (17).
3. centrifugal casting machine external water pipe linkage structure according to claim 2, is characterized in that: the corresponding thrust ball bearing of described shell (7) periphery (10) locates to be provided with lubricating cup (14).
4. centrifugal casting machine external water pipe linkage structure according to claim 2, it is characterized in that: described shell (7) comprises link (71) and housing (72), described link (71) and housing (72) welding, described link (71) endoporus coordinates with housing (72) cylindrical, described lubricating cup (14) is arranged on the periphery of link (71), , described the second blind hole is the interior blind hole of link (71), described thrust ball bearing (10) is arranged in the second blind hole, described the 3rd blind hole is the interior blind hole of housing (72), the 3rd O type circle groove is arranged in the 3rd blind hole.
5. centrifugal casting machine external water pipe linkage structure according to claim 2, is characterized in that: described fastening screw trip bolt (13) quantity is 8, is hexagon socket cap head screw.
6. centrifugal casting machine external water pipe linkage structure according to claim 2, it is characterized in that: described the first seal swivel joint (4) is flange with the second seal swivel joint (5) and being connected of the intake pipe of centrifugal casting machine (1), middle water pipe (2) and water pipeline (3) and is connected, and described connection part is equipped with sealing gasket.
CN201410013857.7A 2014-01-13 2014-01-13 Centrifugal casting machine external water pipe linkage structure Active CN103775770B (en)

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CN103775770B CN103775770B (en) 2015-12-30

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104477335A (en) * 2014-12-15 2015-04-01 中国海洋石油总公司 Single straight-through liquid rotation passage applicable to multi-point mooring FPSO (Floating Production Storage and Offloading) system
CN106764161A (en) * 2017-02-10 2017-05-31 中国石油集团西部钻探工程有限公司 Underbalance Special rotary flange and underbalance Special rotary flange connecting apparatus
CN111536333A (en) * 2020-04-27 2020-08-14 浙江正同管业有限公司 Movable joint of stainless steel pipe
CN112705909A (en) * 2020-11-30 2021-04-27 中钢集团邢台机械轧辊有限公司 Manufacturing method of cold mold for disc centrifuge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2665493Y (en) * 2003-09-27 2004-12-22 杨基东 Rotary joint arrangement
CN201940564U (en) * 2010-12-30 2011-08-24 一重集团大连设计研究院有限公司 Crystallization roller distributed with axial cooling water holes in roller sleeve wall
CN202158294U (en) * 2011-07-27 2012-03-07 扬州宏诚冶金设备有限公司 H-type rotary joint
EP2469144A2 (en) * 2010-12-23 2012-06-27 Parker Hannifin Manufacturing Germany GmbH & Co. KG Pivotable and extendable connection for high pressure systems

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2665493Y (en) * 2003-09-27 2004-12-22 杨基东 Rotary joint arrangement
EP2469144A2 (en) * 2010-12-23 2012-06-27 Parker Hannifin Manufacturing Germany GmbH & Co. KG Pivotable and extendable connection for high pressure systems
CN201940564U (en) * 2010-12-30 2011-08-24 一重集团大连设计研究院有限公司 Crystallization roller distributed with axial cooling water holes in roller sleeve wall
CN202158294U (en) * 2011-07-27 2012-03-07 扬州宏诚冶金设备有限公司 H-type rotary joint

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104477335A (en) * 2014-12-15 2015-04-01 中国海洋石油总公司 Single straight-through liquid rotation passage applicable to multi-point mooring FPSO (Floating Production Storage and Offloading) system
CN106764161A (en) * 2017-02-10 2017-05-31 中国石油集团西部钻探工程有限公司 Underbalance Special rotary flange and underbalance Special rotary flange connecting apparatus
CN111536333A (en) * 2020-04-27 2020-08-14 浙江正同管业有限公司 Movable joint of stainless steel pipe
CN112705909A (en) * 2020-11-30 2021-04-27 中钢集团邢台机械轧辊有限公司 Manufacturing method of cold mold for disc centrifuge

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