Apparatus and method for momentum-balanced forging
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B21J-007/34
B21J-005/00
B21J-009/20
B30B-011/02
출원번호
US-0941021
(2013-07-12)
등록번호
US-9573185
(2017-02-21)
발명자
/ 주소
Wilson, Samuel D.
출원인 / 주소
The Boeing Company
대리인 / 주소
Walters & Wasylyna LLC
인용정보
피인용 횟수 :
0인용 특허 :
10
초록▼
An apparatus for forging may include a moveable first tooling member configured to form a workpiece upon impact with the workpiece, a moveable second tooling member configured to form the workpiece upon impact with the workpiece, wherein the first tooling member and the second tooling member are eac
An apparatus for forging may include a moveable first tooling member configured to form a workpiece upon impact with the workpiece, a moveable second tooling member configured to form the workpiece upon impact with the workpiece, wherein the first tooling member and the second tooling member are each moveable relative to one another, and wherein a net momentum of a simultaneous impact with the workpiece by the first tooling member and the second tooling member is approximately zero.
대표청구항▼
1. An apparatus for forging comprising: a machine frame;a first tooling member connected to and moveable relative to said machine frame, wherein a workpiece is coupled to and moves with said first tooling member, and wherein: said first tooling member and said workpiece combine to define a first mas
1. An apparatus for forging comprising: a machine frame;a first tooling member connected to and moveable relative to said machine frame, wherein a workpiece is coupled to and moves with said first tooling member, and wherein: said first tooling member and said workpiece combine to define a first mass,said first tooling member and said workpiece have a first impact velocity at a first impact position, andsaid first tooling member and said workpiece have a first momentum at said first impact position;a second tooling member connected to and moveable relative to said machine frame opposite said first tooling member, wherein: said second tooling member defines a second mass and has a second impact velocity at a second impact position,said second mass is at most twenty percent of said first mass, andsaid second tooling member has a second momentum at said second impact position;a first velocity sensor configured to detect at least said first impact velocity;a second velocity sensor configured to detect at least said second impact velocity; anda controller configured to adjust at least one of said first impact velocity and second impact velocity such that said second momentum is within twenty percent of said first momentum,wherein:said second tooling member impacts said workpiece positioned on said first tooling member within an impact zone defined by said first impact position and said second impact position, anda position of said impact zone relative to a first initial position of said first tooling member and a second initial position of said second tooling member is variable. 2. The apparatus of claim 1 wherein said second mass is at most ten percent of said first mass. 3. The apparatus of claim 1 wherein: said first impact velocity is achieved by applying a first driving force to said first tooling member over a first distance,said second impact velocity is achieved by applying a second driving force to said second tooling member over a second distance, andsaid first impact velocity is less than said second impact velocity. 4. The apparatus of claim 1 wherein said second mass is at most five percent of said first mass. 5. The apparatus of claim 1 wherein said controller is further configured to adjust at least one of said first impact velocity and second impact velocity such that said second momentum and said first momentum are equal. 6. The apparatus of claim 1 wherein said controller is further configured to adjust at least one of said first impact velocity and second impact velocity such that said second momentum is within ten percent of said first momentum. 7. The apparatus of claim 1 wherein said controller is further configured to adjust at least one of said first impact velocity and second impact velocity such that said second momentum is within five percent of said first momentum. 8. The apparatus of claim 1 wherein said first tooling member comprises a first die and said second tooling member comprises a second die, wherein said workpiece is coupled to said first die, and wherein said first die and said second die are each configured to form said workpiece. 9. The apparatus of claim 3 further comprising: a first driving mechanism operably connected to said first tooling member, said first driving mechanism being configured to apply said first driving force upon said first tooling member; anda second driving mechanism operably connected to said second tooling member, said second driving mechanism being configured to apply said second driving force upon said second tooling member. 10. The apparatus of claim 9 wherein said first driving mechanism and said second driving mechanism each comprises at least one of a pneumatic drive mechanism, a hydraulic drive mechanism, a combustion drive mechanism, a mechanical drive mechanism, and an electromagnetic drive mechanism. 11. The apparatus of claim 9 further comprising at least one energy source operably connected to said first drive mechanism and said second drive mechanism. 12. The apparatus of claim 1 further comprising at least one position sensor configured to detect at least one of positions of said first tooling member from said first initial position to said first impact position and said second tooling member from said second initial position to said second impact position. 13. The apparatus of claim 9 further wherein said controller is operably connected to said first drive mechanism and said second drive mechanism to control at least one of said first driving force and said second driving force to achieve said first velocity and said second velocity, respectively. 14. The apparatus of claim 1 wherein said first tooling member and said second tooling member travel along a substantially linear path toward one another. 15. The apparatus of claim 1 further comprising at least one force sensor configured to detect a magnitude of an impact force upon said workpiece. 16. An apparatus for forging comprising: a moveable first tooling member configured to support a workpiece, said first tooling member and said workpiece combine to define a first mass;a moveable second tooling member configured to form said workpiece upon impact with said workpiece, said second tooling member defines a second mass of at most twenty percent of said first mass;at least one velocity sensor configured to detect at least one of a first impact velocity of said first tooling member at a first impact position and a second impact velocity of said second tooling member at a second impact position;a controller configured to move said first tooling member at said first impact velocity and said second tooling member at said second impact velocity relative to one another such thatat impact in an impact zone defined by said first impact position of said first tooling member and said second impact position of said second tooling member, a second momentum of said second tooling member is within twenty percent of a first momentum of said first tooling member and said workpiece,wherein a position of said impact zone relative to a first initial position of said first tooling member and a second initial position of said second tooling member is variable. 17. The apparatus of claim 16 wherein said second mass is at most ten percent of said first mass. 18. The apparatus of claim 17 wherein said second mass is at most five percent of said first mass. 19. The apparatus of claim 16 wherein, at said impact, said second momentum is within ten percent of said first momentum. 20. The apparatus of claim 19 wherein, at said impact, said second momentum and said first momentum are equal. 21. A method for forging, said method comprising: providing a first tooling member and a workpiece supported by said first tooling member, said first tooling member and said workpiece combine to define a first mass and being movable to a first impact velocity at a first impact position;providing a second tooling member defining a second mass of at most twenty percent of said first mass and movable to a second impact velocity at a second impact position, said first tooling member and said second tooling member each being moveable relative to one another;detecting at least one of said first impact velocity of said first tooling member at said first impact position and said second impact velocity of said second tooling member at said second impact position;controlling said first impact velocity and said second impact velocity such that a second momentum of said second tooling member at said second impact position is within twenty percent of a first momentum of said first tooling member and said workpiece at said first impact position;forming said workpiece in response to an impact force generated by an impact, in an impact zone defined by said first impact position and said second impact position, between said first tooling member and said workpiece and said second tooling member; andvarying a position of said impact zone relative to a first initial position of said first tooling member and a second initial position of said second tooling member. 22. The method of claim 21 wherein said first tooling member and said second tooling member both move in a linear path. 23. The method of claim 21 further comprising controlling said first velocity and said second velocity such that said second momentum is within ten percent of said first momentum. 24. The method of claim 23 further comprising controlling said first velocity and said second velocity such that said second momentum and said first momentum are equal. 25. The method of claim 21 wherein said second mass is at most ten percent of said first mass.
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이 특허에 인용된 특허 (10)
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