CN104607641A - Spray forming pipe expansion core shaft - Google Patents
Spray forming pipe expansion core shaft Download PDFInfo
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- CN104607641A CN104607641A CN201510046568.1A CN201510046568A CN104607641A CN 104607641 A CN104607641 A CN 104607641A CN 201510046568 A CN201510046568 A CN 201510046568A CN 104607641 A CN104607641 A CN 104607641A
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- axle sleeve
- mandrel
- holder
- lobe
- plate
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Abstract
The invention relates to a spray forming pipe expansion core shaft which comprises a core shaft. The spray forming pipe expansion core shaft is characterized in that the core shaft is sleeved with a shaft sleeve, the shaft sleeve and the core shaft are coaxially arranged, and an annular outer supporting space is reserved between the core shaft and the shaft sleeve; the shaft sleeve is composed of four or more shaft sleeve valves, the number of the shaft sleeve valves is an even number, and the lengths of the shaft sleeve valves are equal to the length of the shaft sleeve; the outer supporting space is further provided with outer supporting mechanisms, the number of the outer supporting mechanisms is equal to the number of the shaft sleeve valves, and the shaft sleeve valves are connected with the core shaft through the corresponding outer supporting mechanisms. By means of the spray forming pipe expansion core shaft, the movement of the shaft sleeve valves is achieved through the outer supporting mechanisms, so that the separation of the expansion core shaft and a tubular ingot blank is achieved; the spray forming pipe expansion core shaft has the advantages that the structure is simple and the usage is convenient.
Description
Technical field
The present invention relates to a kind of reaction-injection moulding pipe to rise mandrel, be mainly used in spray forming technology field.
Background technology
Spray forming technology is that a kind of metal alloy of liquid state that makes is under the effect of inert gas, form solid-state, semisolid, liquid vaporific molecule, these small particle depositions will form different ingot blanks on different collection utensils, the pallet being such as deposited on plane will form cylinder or dull and stereotyped ingot blank, tubulose ingot blank will be formed if be deposited on cylindric rotating collector.
And prior art will rise by mandrel when being separated with tubulose ingot blank, manually need carry out the craft mandrel that will rise and remove, this demolishing process needs to utilize specific purpose tool could the cohesive force that rises between mandrel and tubulose ingot blank of client, and this process takes time and effort.
Summary of the invention
In order to solve prior art Problems existing, the invention provides a kind of reaction-injection moulding pipe to rise mandrel, after reaction-injection moulding pipe is made, just can be realized rising being separated of mandrel and tubulose ingot blank by the structure of the mandrel that rises itself, there is the features such as separating rate is fast, effective, simple, quick.
The technical solution adopted in the present invention:
A kind of reaction-injection moulding pipe rises mandrel, comprise mandrel, described mandrel is arranged with axle sleeve, described axle sleeve and described mandrel are coaxially arranged, the outer support space of annular is left between described mandrel and described axle sleeve, described axle sleeve is made up of at least 4 axle sleeve lobes, and the quantity of described axle sleeve lobe is even number, the length of described axle sleeve lobe equals the length of described axle sleeve, outer support mechanism is also provided with in described outer support space, the quantity of described outer support mechanism is equal with the quantity of described axle sleeve lobe, and described axle sleeve lobe is connected with described mandrel by corresponding outer support mechanism.
Preferably, described outer support mechanism comprises two and supports unit outward, two described outer support unit are respectively left outside support unit and right outside support unit, described outer support unit comprises holder and connecting rod, one end of described connecting rod is hinged on described holder, and the other end of described connecting rod is hinged on the inner side of corresponding described axle sleeve lobe, and described fixed seating is located on described mandrel, the internal diameter of described holder matches with the external diameter of described mandrel, the axis of described connecting rod and the axes intersect of described mandrel.
Preferably, the quantity of described holder is two, and two described holders are respectively left holder and right holder, and described left holder is as the holder of all described left outside support unit, and described right holder is as the holder of all described right outside support unit.
Preferably, the axle sleeve lobe of even number is divided into two groups, be respectively first group of axle sleeve lobe and second group of axle sleeve lobe, all axle sleeve lobes in described first group of axle sleeve lobe are the first axle sleeve lobe, all axle sleeve lobes in described second group of axle sleeve lobe are the second axle sleeve lobe, the structure of all described first axle sleeve lobes is all identical, the structure of all described second axle sleeve lobes is all identical, axle sleeve lobe interval described in two groups is arranged, the identical length etc. of the connecting rod corresponding to all described first axle sleeve lobes, connecting rod corresponding to described first axle sleeve lobe is first connecting rod, the identical length etc. of the connecting rod corresponding to all described second axle sleeve lobes, connecting rod corresponding to described second axle sleeve lobe is second connecting rod, the length of described first connecting rod is greater than the length of described second connecting rod, the radian corresponding to inwall of described first axle sleeve lobe is greater than the radian corresponding to outer wall of described first axle sleeve lobe, the radian corresponding to inwall of described second axle sleeve lobe is less than the radian corresponding to outer wall of described second axle sleeve lobe.
Further, the radian corresponding to outer wall of described first axle sleeve lobe is positioned at the radian corresponding to inwall of described first axle sleeve lobe, and the radian corresponding to inwall of described second axle sleeve lobe is positioned at the radian corresponding to outer wall of described second axle sleeve lobe.
Further, plane centered by the plane that the axis of described axle sleeve and the mid point of described axle sleeve lobe inwall are formed, described axle sleeve lobe can be symmetrical relative to corresponding central plane.
Further, the left side of described left holder and the pin joint of pin joint between this connecting rod and corresponding axle sleeve lobe of described connecting rod, the right side of the pin joint between this connecting rod of pin joint of described right holder and described connecting rod and corresponding axle sleeve lobe.
Preferably, the left side of described left holder is also provided with circular right baffle-plate, the right side of described right holder is also provided with circular right baffle plate, described right baffle-plate is fixedly connected with described left holder, described right baffle plate is fixedly connected with described right holder, the both sides of described mandrel are also arranged with clamp nut, two described clamp nuts are respectively left clamp nut and right clamp nut, described left clamp nut is arranged on the left side of described right baffle-plate, described left clamp nut coordinates with described mandrel thread, fit in the right side of described left clamp nut and the right side of described right baffle-plate, described right clamp nut is arranged on the right side of described right baffle plate, described right clamp nut coordinates with described mandrel thread, fit in the left side of described right clamp nut and the right side of described right baffle plate.
Further, described right baffle-plate is also provided with left block plate, described left block plate and described right baffle-plate are coaxially arranged, described right baffle-plate and described left block plate interval are arranged, be bolted to connection between the outer of described left block plate and described right baffle-plate, described left clamp nut is gone back fixed cover and be provided with the left nut collar, the described left nut collar is arranged in the interval between described right baffle-plate and described left block plate.
Further, described right baffle plate is also provided with right block plate, described right block plate and described right baffle plate are coaxially arranged, described right baffle plate and described right block plate interval are arranged, be bolted to connection between the outer of described right block plate and described right baffle plate, described right clamp nut is gone back fixed cover and be provided with the right nut collar, the described right nut collar is arranged in the interval between described right baffle plate and described right block plate.
Further, the inwall of described holder offers the holder keyway of left and right directions, the outer wall of described mandrel offers the mandrel keyway of left and right directions, be connected by key between described holder keyway with described mandrel keyway, described holder keyway is communicated with the left and right sides of described holder.
Beneficial effect of the present invention:
The present invention realizes the motion of axle sleeve lobe by outer support mechanism, thus being separated of realize rising mandrel and tubulose ingot blank, possess the features such as structure is simple, easy to use.
Accompanying drawing explanation
Fig. 1 is left view of the present invention;
Fig. 2 is positive view of the present invention;
Fig. 3 is sectional view of the present invention.
Wherein: 1, mandrel; 2, axle sleeve lobe; 3, holder; 4, connecting rod; 5, clamp nut; 6, left block plate; 7, right baffle-plate; 21, the first axle sleeve lobe; 22, the second axle sleeve lobe.
Detailed description of the invention
See Fig. 1-Fig. 3, the present invention relates to a kind of reaction-injection moulding pipe to rise mandrel, comprise mandrel 1, described mandrel is arranged with axle sleeve, described axle sleeve and described mandrel are coaxially arranged, the outer support space of annular is left between described mandrel and described axle sleeve, described axle sleeve is made up of at least 4 axle sleeve lobes 2, and the quantity of described axle sleeve lobe is even number, the length of described axle sleeve lobe equals the length of described axle sleeve, outer support mechanism is also provided with in described outer support space, the quantity of described outer support mechanism is equal with the quantity of described axle sleeve lobe, described axle sleeve lobe is connected with described mandrel by corresponding outer support mechanism.
Axle sleeve is formed below for 4 axle sleeve lobes:
First be noted that 4 axle sleeve lobes are arranged circumferentially and form described axle sleeve, the sectional view of the optional position on same axle sleeve lobe left and right directions is all identical, and the edge of described axle sleeve lobe is the straight line of left and right directions.
4 axle sleeve lobes comprise 2 the first axle sleeve lobes 21 and 2 the second axle sleeve lobes, 22,2 the first axle sleeve lobes and 2 the second axle sleeve lobes and are crisscross arranged.
Also it should be noted that the structure of 2 the first axle sleeve lobes is identical, in like manner, the structure of 2 the second axle sleeve lobes is also identical.
Described outer support mechanism comprises two and supports unit outward, two described outer support unit are respectively left outside support unit and right outside support unit, described outer support unit comprises holder 3 and connecting rod 4, one end of described connecting rod is hinged on described holder, the other end of described connecting rod is hinged on the inner side of corresponding described axle sleeve lobe, described fixed seating is located on described mandrel, the internal diameter of described holder matches with the external diameter of described mandrel, the axis of described connecting rod and the axes intersect of described mandrel, the quantity of described holder is two, two described holders are respectively left holder and right holder, described left holder is as the holder of all described left outside support unit, described right holder is as the holder of all described right outside support unit.
During use, by pulling holder, left holder is moved to the left, right holder moves right simultaneously, the left holder be moved to the left must drive one end of corresponding connecting rod to be moved to the left, in like manner, right holder drives one end of corresponding connecting rod to move right, and the other end of these two connecting rods is all hinged on axle sleeve lobe, left holder is identical with the speed of right holder movement, so just, can ensure that corresponding axle sleeve lobe keeps static in the lateral direction, and the length of connecting rod remains unchanged, so just, axle sleeve lobe can be pulled to move to mandrel, otherwise, the reverse mandrel of axle sleeve lobe is moved.
Because all left outside support unit all share a left holder, all right outside support units shared right holders, like this when mobile left holder and right holder, just all outer support unit motions can be driven, thus realize the motion (move to mandrel, or oppositely mandrel moving) of all axle sleeve lobes.
When inventor considers that 4 axle sleeve lobes move to mandrel with identical speed, mutually interference can be produced between adjacent axle sleeve lobe, thus stop axle sleeve lobe to move inward, for getting rid of this situation, need ensure that the translational speed of the first axle sleeve lobe is different relative to the speed of the second axle sleeve lobe, namely the fast speed of speed is slow.
And the effect before will reaching, the length of the connecting rod that only need ensure corresponding to the first axle sleeve lobe is not equal to the length of the connecting rod corresponding to the second axle sleeve lobe.
Suppose that the length of the connecting rod corresponding to the first axle sleeve lobe is a, the length of the connecting rod corresponding to the second axle sleeve lobe is b, the speed v of the first axle sleeve lobe movement
abe greater than the speed v of the second axle sleeve lobe movement
b, then need to ensure a>b, that is the length of connecting rod is longer, and the translational speed of corresponding corresponding axle sleeve lobe is faster.
Consider the speed of the speed of the first axle sleeve lobe movement faster than the second axle sleeve lobe movement, in the process that axle sleeve lobe reclaims, (axle sleeve lobe moves to mandrel, lower same), second axle sleeve lobe can not hinder the motion of the first axle sleeve lobe, just need ensure that the cross section of the both sides of the first axle sleeve lobe is "eight" shape.
Described " eight " shape for: the radian corresponding to the inwall of described first axle sleeve lobe is greater than the radian corresponding to the outer wall of described first axle sleeve lobe, and the radian corresponding to outer wall of described first axle sleeve lobe is positioned at the radian corresponding to inwall of described first axle sleeve lobe.
Corresponding, the both sides of the second axle sleeve lobe are inverted "eight" shape.Be exactly that the radian corresponding to inwall of described second axle sleeve lobe is less than the radian corresponding to outer wall of described second axle sleeve lobe specifically, the radian corresponding to inwall of described second axle sleeve lobe is positioned at the radian corresponding to outer wall of described second axle sleeve lobe.
As preferably, the angle that the both sides of the first axle sleeve lobe tilt is equal, and the angle that the both sides of the second axle sleeve lobe tilt is also equal.
Plane centered by the plane that the axis of described axle sleeve and the mid point of described axle sleeve lobe inwall are formed, described axle sleeve lobe is symmetrical relative to corresponding central plane.
The left side of described left holder and the pin joint of pin joint between this connecting rod and corresponding axle sleeve lobe of described connecting rod, the right side of the pin joint between this connecting rod of pin joint of described right holder and described connecting rod and corresponding axle sleeve lobe.
By such setting, the seat that can ensure to fix is moved to the left, and right when fixedly moving right, axle sleeve lobe reclaims, otherwise the reverse mandrel of axle sleeve lobe moves.
For convenience of the position of user's actual conciliation axle sleeve lobe, following mechanism is set.
The left side of described left holder is also provided with circular right baffle-plate 7, the right side of described right holder is also provided with circular right baffle plate, described right baffle-plate is fixedly connected with described left holder, described right baffle plate is fixedly connected with described right holder, the both sides of described mandrel are also arranged with clamp nut 5, two described clamp nuts are respectively left clamp nut and right clamp nut, described left clamp nut is arranged on the left side of described right baffle-plate, described left clamp nut coordinates with described mandrel thread, fit in the right side of described left clamp nut and the right side of described right baffle-plate, described right clamp nut is arranged on the right side of described right baffle plate, described right clamp nut coordinates with described mandrel thread, fit in the left side of described right clamp nut and the right side of described right baffle plate.
Press right baffle-plate by left clamp nut like this, right clamp nut presses right baffle plate, thus is propped up by axle sleeve lobe, after tubulose ingot blank is shaped, is unclamped by clamp nut, then is moved to the left by left holder, and axle sleeve lobe just can reclaim to having to move by right holder.
Described right baffle-plate is also provided with left block plate 6, described left block plate and described right baffle-plate are coaxially arranged, described right baffle-plate and described left block plate interval are arranged, be bolted to connection between the outer of described left block plate and described right baffle-plate, described left clamp nut is gone back fixed cover and be provided with the left nut collar, the described left nut collar is arranged in the interval between described right baffle-plate and described left block plate, described right baffle plate is also provided with right block plate, described right block plate and described right baffle plate are coaxially arranged, described right baffle plate and described right block plate interval are arranged, be bolted to connection between the outer of described right block plate and described right baffle plate, described right clamp nut is gone back fixed cover and be provided with the right nut collar, the described right nut collar is arranged in the interval between described right baffle plate and described right block plate.
By such setting turn left clamp nut left holder just can be driven to move accordingly (left clamp nut is moved to the left, left holder is also moved to the left, left clamp nut moves right, left holder also moves right), in like manner, right clamp nut also can drive right holder to move accordingly.
The inwall of described holder offers the holder keyway of left and right directions, the outer wall of described mandrel offers the mandrel keyway of left and right directions, be connected by key between described holder keyway with described mandrel keyway, described holder keyway is communicated with the left and right sides of described holder.
The setting of keyway, makes holder to move in the lateral direction, the situation that can not rotate.
It should be noted that, the quantity of axle sleeve lobe is not limited to 4, be only required to be even number be greater than arbitrarily 4 quantity.
Claims (10)
1. a reaction-injection moulding pipe rises mandrel, comprise mandrel, it is characterized in that: described mandrel is arranged with axle sleeve, described axle sleeve and described mandrel are coaxially arranged, the outer support space of annular is left between described mandrel and described axle sleeve, described axle sleeve is made up of at least 4 axle sleeve lobes, and the quantity of described axle sleeve lobe is even number, the length of described axle sleeve lobe equals the length of described axle sleeve, outer support mechanism is also provided with in described outer support space, the quantity of described outer support mechanism is equal with the quantity of described axle sleeve lobe, and described axle sleeve lobe is connected with described mandrel by corresponding outer support mechanism.
2. reaction-injection moulding pipe according to claim 1 rises mandrel, it is characterized in that: described outer support mechanism comprises two and supports unit outward, two described outer support unit are respectively left outside support unit and right outside support unit, described outer support unit comprises holder and connecting rod, one end of described connecting rod is hinged on described holder, the other end of described connecting rod is hinged on the inner side of corresponding described axle sleeve lobe, described fixed seating is located on described mandrel, the internal diameter of described holder matches with the external diameter of described mandrel, the axis of described connecting rod and the axes intersect of described mandrel.
3. reaction-injection moulding pipe according to claim 2 rises mandrel, it is characterized in that: the quantity of described holder is two, two described holders are respectively left holder and right holder, described left holder is as the holder of all described left outside support unit, and described right holder is as the holder of all described right outside support unit.
4. reaction-injection moulding pipe according to claim 3 rises mandrel, it is characterized in that: the axle sleeve lobe of even number is divided into two groups, be respectively first group of axle sleeve lobe and second group of axle sleeve lobe, all axle sleeve lobes in described first group of axle sleeve lobe are the first axle sleeve lobe, all axle sleeve lobes in described second group of axle sleeve lobe are the second axle sleeve lobe, the structure of all described first axle sleeve lobes is all identical, the structure of all described second axle sleeve lobes is all identical, axle sleeve lobe interval described in two groups is arranged, the identical length etc. of the connecting rod corresponding to all described first axle sleeve lobes, connecting rod corresponding to described first axle sleeve lobe is first connecting rod, the identical length etc. of the connecting rod corresponding to all described second axle sleeve lobes, connecting rod corresponding to described second axle sleeve lobe is second connecting rod, the length of described first connecting rod is greater than the length of described second connecting rod, the radian corresponding to inwall of described first axle sleeve lobe is greater than the radian corresponding to outer wall of described first axle sleeve lobe, the radian corresponding to inwall of described second axle sleeve lobe is less than the radian corresponding to outer wall of described second axle sleeve lobe.
5. reaction-injection moulding pipe according to claim 4 rises mandrel, it is characterized in that: the radian corresponding to outer wall of described first axle sleeve lobe is positioned at the radian corresponding to inwall of described first axle sleeve lobe, the radian corresponding to inwall of described second axle sleeve lobe is positioned at the radian corresponding to outer wall of described second axle sleeve lobe.
6. reaction-injection moulding pipe according to claim 5 rises mandrel, it is characterized in that: plane centered by the plane that the axis of described axle sleeve and the mid point of described axle sleeve lobe inwall are formed, and described axle sleeve lobe is symmetrical relative to corresponding central plane.
7. reaction-injection moulding pipe according to claim 3 rises mandrel, it is characterized in that: the left side of described left holder and the pin joint of pin joint between this connecting rod and corresponding axle sleeve lobe of described connecting rod, the right side of the pin joint between this connecting rod of pin joint of described right holder and described connecting rod and corresponding axle sleeve lobe.
8. the reaction-injection moulding pipe according to any one of claim 3-7 rises mandrel, it is characterized in that: the left side of described left holder is also provided with circular right baffle-plate, the right side of described right holder is also provided with circular right baffle plate, described right baffle-plate is fixedly connected with described left holder, described right baffle plate is fixedly connected with described right holder, the both sides of described mandrel are also arranged with clamp nut, two described clamp nuts are respectively left clamp nut and right clamp nut, described left clamp nut is arranged on the left side of described right baffle-plate, described left clamp nut coordinates with described mandrel thread, fit in the right side of described left clamp nut and the right side of described right baffle-plate, described right clamp nut is arranged on the right side of described right baffle plate, described right clamp nut coordinates with described mandrel thread, fit in the left side of described right clamp nut and the right side of described right baffle plate.
9. reaction-injection moulding pipe according to claim 8 rises mandrel, it is characterized in that: described right baffle-plate is also provided with left block plate, described left block plate and described right baffle-plate are coaxially arranged, described right baffle-plate and described left block plate interval are arranged, be bolted to connection between the outer of described left block plate and described right baffle-plate, described left clamp nut is gone back fixed cover and be provided with the left nut collar, the described left nut collar is arranged in the interval between described right baffle-plate and described left block plate
Described right baffle plate is also provided with right block plate, described right block plate and described right baffle plate are coaxially arranged, described right baffle plate and described right block plate interval are arranged, be bolted to connection between the outer of described right block plate and described right baffle plate, described right clamp nut is gone back fixed cover and be provided with the right nut collar, the described right nut collar is arranged in the interval between described right baffle plate and described right block plate.
10. reaction-injection moulding pipe according to claim 2 rises mandrel, it is characterized in that: the holder keyway inwall of described holder offering left and right directions, the outer wall of described mandrel offers the mandrel keyway of left and right directions, be connected by key between described holder keyway with described mandrel keyway, described holder keyway is communicated with the left and right sides of described holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046568.1A CN104607641B (en) | 2015-01-29 | 2015-01-29 | Spray forming pipe expansion core shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046568.1A CN104607641B (en) | 2015-01-29 | 2015-01-29 | Spray forming pipe expansion core shaft |
Publications (2)
| Publication Number | Publication Date |
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| CN104607641A true CN104607641A (en) | 2015-05-13 |
| CN104607641B CN104607641B (en) | 2017-01-18 |
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ID=53142433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510046568.1A Active CN104607641B (en) | 2015-01-29 | 2015-01-29 | Spray forming pipe expansion core shaft |
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| CN (1) | CN104607641B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106239889A (en) * | 2016-08-31 | 2016-12-21 | 宁波菲仕运动控制技术有限公司 | A kind of Expansion core tool for facilitating carbon fiber pipe to process |
| CN109909342A (en) * | 2019-01-28 | 2019-06-21 | 浙江大学宁波理工学院 | The rolling formation method and device of inductile alloy super large deflection thin-wall tube |
| CN109909343A (en) * | 2019-01-28 | 2019-06-21 | 浙江大学宁波理工学院 | The stepping rolling formation method and device of super large deflection thin-wall tube |
| CN109909344A (en) * | 2019-01-28 | 2019-06-21 | 浙江大学宁波理工学院 | Ultra-thin tube rolling formation method and device |
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| CN103862077A (en) * | 2014-03-10 | 2014-06-18 | 苏州捷德瑞精密机械有限公司 | Expansion mandrel |
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| US3904144A (en) * | 1971-07-02 | 1975-09-09 | Giovanni Gattrugeri | Expansible mandrel |
| CN1052620A (en) * | 1990-10-30 | 1991-07-03 | 重庆特殊钢厂 | Squeezing cold-rolled steel strip straight peen decoiler |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106239889A (en) * | 2016-08-31 | 2016-12-21 | 宁波菲仕运动控制技术有限公司 | A kind of Expansion core tool for facilitating carbon fiber pipe to process |
| CN109909342A (en) * | 2019-01-28 | 2019-06-21 | 浙江大学宁波理工学院 | The rolling formation method and device of inductile alloy super large deflection thin-wall tube |
| CN109909343A (en) * | 2019-01-28 | 2019-06-21 | 浙江大学宁波理工学院 | The stepping rolling formation method and device of super large deflection thin-wall tube |
| CN109909344A (en) * | 2019-01-28 | 2019-06-21 | 浙江大学宁波理工学院 | Ultra-thin tube rolling formation method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104607641B (en) | 2017-01-18 |
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Effective date of registration: 20220106 Address after: 301800 No. 13, Baofu Road, energy conservation and environmental protection industrial zone, Baodi District, Tianjin Patentee after: Tianjin zoyuan New Material Technology Co.,Ltd. Address before: 301800 No. 13, Baofu Road, Tianbao Economic Development Zone, Baodi District, Tianjin Patentee before: TIANJIN BAIENWEI NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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