Claims
- 1. A method of assembling a superconducting dipole magnet, the method comprising the steps of:
- providing a cold mass assembly comprised of a collared superconducting coil subassembly, rigidly secured within a shell assembly;
- providing a first generally cylindrical heat shield adapted to receive the cold mass assembly therein;
- providing a second generally cylindrical heat shield adapted to receive the first heat shield therein;
- providing a vacuum vessel adapted to receive the second heat shield; and
- placing the cold mass assembly within the first heat shield, the first heat shield with the cold mass assembly therein within the second heat shield, and the second heat shield with the first heat shield and cold mass assembly therein within the vacuum vessel, whereby a superconducting magnet is assembled.
- 2. The method as recited in claim 1, wherein the steps of providing said first and second heat shields further comprise providing a first cooling tube integral with the first heat shield, and a second cooling tube integral with the second heat shield.
- 3. The method as recited in claim 1, wherein the step of placing the cold mass assembly within the first heat shield comprises the step of surrounding the cold mass assembly with the first heat shield, the first heat shield having a first cooling tube integral therewith.
- 4. The method as recited in claim 3, wherein the step of placing the first heat shield with the cold mass assembly therein within the second heat shield comprises the step of surrounding the first heat shield with the second heat shield, the second heat shield having a second cooling tube integral therewith.
- 5. The method as recited in claim 1, further comprising the step of insulating said first and second heat shields.
- 6. The method as recited in claim 3, further comprising the step of insulating the first heat shield.
- 7. The method as recited in claim 4, further comprising the step of insulating the second heat shield.
- 8. The method as recited in claim 1, wherein the step of providing a cold mass assembly comprises the steps of:
- providing a first arcuately-shaped half shell;
- placing a first U-shaped half yoke assembly within said first half shell;
- positioning a collared coil subassembly within the first half yoke assembly, the collared coil subassembly being made of superconducting material;
- inserting a pair of generally T-shaped alignment strips into the first half yoke assembly, on either side thereof and rotated 90.degree. so as to be disposed between the first yoke assembly and the first half shell such that the bases of the T of said alignment strips are oriented radially outward, the bases of said alignment strips having a groove on the outer surface thereof;
- placing a second U-shaped half yoke assembly onto the collared coil subassembly;
- aligning said first and second half yoke assemblies along their longitudinal axes;
- placing a second arcuately-shaped half shell over the second yoke half assembly and said alignment strips such that the bases of the T of each of said alignment strips are disposed between said first and second half shells;
- clamping the second half shell in position with respect to the first half shell;
- linearly aligning said grooves of said alignment strips along the longitudinal length thereof, such that said grooves are generally parallel; and
- longitudinally welding said first and second half shells to said alignment strips, whereby a cold mass assembly for a superconducting magnet is assembled.
- 9. A method of assembling a dipole magnet, the method comprising the steps of:
- providing a pair of both inner and outer coil assemblies, said coil assemblies being generally arcuately-shaped;
- placing one of said outer coil assemblies within a generally C-shaped lower collaring member;
- placing one of said inner coil assemblies on top of said one of said outer coil assemblies;
- placing an elongated tubular member within said inner coil assembly;
- placing the other of said inner coil assemblies on top of said bore tube;
- placing the other of said outer coil assemblies on top of said other inner coil assembly;
- placing a generally C-shaped upper collaring member on top of said other outer coil assembly;
- securing said upper and lower collaring assemblies together so as to form a collared coil subassembly;
- providing a pair of elongated, generally U-shaped yoke halves, each of said yoke halves having a pair of holes therein through the longitudinal length thereof;
- placing the collared coil subassembly within one of said yoke halves, and placing the other of said yoke halves around the collared coil subassembly such that the collared coil subassembly is essentially completely enclosed within said yoke halves;
- providing a first arcuately-shaped half shell;
- placing the collared coil subassembly having said half yoke assemblies thereon within said first half shell;
- placing a second arcuately-shaped half shell over the collared coil subassembly having said yoke half assemblies thereon;
- clamping the second half shell in position with respect to the first half shell;
- longitudinally securing said first and second half shells together, so as to form a cold mass assembly;
- providing a first generally cylindrical heat shield adapted to receive the cold mass assembly therein;
- providing a second generally cylindrical heat shield adapted to receive the first heat shield therein;
- providing a vacuum vessel adapted to receive the second heat shield; and
- placing the cold mass assembly within the first heat shield, the first heat shield with the cold mass assembly therein within the second heat shield, and the second heat shield with the first heat shield and cold mass assembly therein within the vacuum vessel, whereby a dipole magnet is assembled.
- 10. A method of assembling a superconducting dipole magnet, the method comprising the steps of:
- providing a pair of both inner and outer coil assemblies, said coil assemblies being comprised of wire made of superconducting material;
- providing a plurality of comb-shaped coil collar packs;
- arranging a predetermined number of collar packs within a lower pressing die so as to form an elongated, lower collaring member;
- placing one of said outer coil assemblies within said lower collaring member;
- placing one of said inner coil assemblies on top of said one of said outer coil assemblies;
- placing an elongated tubular member within said inner coil assembly;
- placing the other of said inner coil assemblies on top of said bore tube;
- placing the other of said outer coil assemblies on top of said other inner coil assembly;
- placing a second predetermined number of collar packs on top of said other outer coil assembly to form an elongated, upper collaring member, said upper and lower collaring members being in a meshing engagement;
- placing an upper pressing die over said upper collaring member;
- pressing said upper and lower pressing dies together, such that said upper and lower collaring packs are tightly enmeshed together, and securing said upper and lower collaring assemblies together so as to form a collared coil subassembly;
- providing a pair of elongated, generally U-shaped yoke halves, each of said yoke halves having a pair of holes therein, through the longitudinal length thereof;
- providing a first arcuately-shaped half shell;
- placing one of said U-shaped half yoke assemblies within said first half shell;
- positioning the collared coil subassembly within the one of said half yoke assemblies;
- inserting a pair of generally T-shaped alignment strips into the one of said half yoke assemblies, on either side thereof and rotated 90.degree. so as to be disposed between the one of said yoke assemblies and the first half shell such that the bases of the T of said alignment strips are oriented radially outward, the bases of said alignment strips having a groove on the outer surface thereof;
- placing the other of the said U-shaped half yoke assemblies onto the collared coil subassembly;
- aligning said pair of half yoke assemblies along their longitudinal axes;
- placing a second arcuately-shaped half shell over the other of said yoke half assemblies and said alignment strips such that the bases of the T of each of said alignment strips are disposed between said first and second half shells;
- clamping the second half shell in position with respect to the first half shell;
- linearly aligning said grooves of said alignment strips along the longitudinal length thereof, such that said grooves are generally parallel;
- longitudinally welding said first and second half shells to said alignment strips, so as to form a cold mass assembly;
- providing a first generally cylindrical heat shield adapted to receive the cold mass assembly therein;
- providing a second generally cylindrical heat shield adapted to receive the first heat shield therein;
- providing a vacuum vessel adapted to receive the second heat shield; and
- placing the cold mass assembly within the first heat shield, the first heat shield with the cold mass assembly therein within the second heat shield, and the second heat shield with the first heat shield and cold mass assembly therein within the vacuum vessel, whereby a superconducting dipole magnet is assembled.
- 11. A method of forming and pressing a collared coil for a superconducting magnet, said method comprising the steps of:
- providing a pair of both inner and outer coil assemblies;
- providing a plurality of coil collar packs;
- arranging a predetermined number of collar packs within a lower pressing die so as to form an elongated, lower collaring member;
- placing one of said outer coil assemblies within said lower collaring member;
- placing one of said inner coil assemblies on top of said one of said outer coil assemblies;
- placing an elongated cylindrical tube within said inner coil assembly;
- placing the other of said inner coil assemblies on top of the tube;
- placing the other of said outer coil assemblies on top of said other inner coil assembly;
- placing another predetermined number of collar packs on top of said other outer coil assembly to form an elongated, upper collaring member, said upper and lower collaring members being in a meshing engagement;
- placing an upper pressing die over said upper collaring member;
- pressing said upper and lower pressing dies together, such that said upper and lower collaring packs are tightly enmeshed together; and
- securing said upper and lower collaring assemblies together.
- 12. A method of assembling a cold mass for use in a superconducting magnet, the method comprising the steps of:
- providing a first arcuately-shaped half shell;
- placing a first U-shaped half yoke assembly within said first half shell;
- positioning a collared coil subassembly within the first half yoke assembly, the collared coil subassembly being made of superconducting material;
- inserting a pair of generally T-shaped alignment strips into the first half yoke assembly, on either side thereof and rotated 90.degree. so as to be disposed between the first yoke assembly and the first half shell such that the bases of the T of said alignment strips are oriented radially outward, the bases of said alignment strips having a groove on the outer surface thereof;
- placing a second U-shaped half yoke assembly onto the collared coil subassembly;
- aligning said first and second half yoke assemblies along their longitudinal axes;
- placing a second arcuately-shaped half shell over the second yoke half assembly and said alignment strips such that the bases of the T of each of said alignment strips are disposed between said first and second half shells;
- clamping the second half shell in position with respect to the first half shell;
- linearly aligning said grooves of said alignment strips along the longitudinal length thereof, such that said grooves are generally parallel; and
- longitudinally welding said first and second half shells to said alignment strips, whereby a cold mass assembly for a superconducting magnet is assembled.
Parent Case Info
This is a division of application Ser. No. 07/360,192 filed June 1, 1989.
US Referenced Citations (37)
Foreign Referenced Citations (2)
Number |
Date |
Country |
0235809 |
Sep 1987 |
EPX |
62-1208 |
Jan 1987 |
JPX |
Non-Patent Literature Citations (2)
Entry |
Taylor et al., "Design of Epoxy-Free Superconducting Dipole Magnets and Performance in Both Helium I and Pressurized Helium II", LBL-12455, IEEE Transaction on Magnetics, Sep., 1981. |
Taylor et al., "High-Field Superconducting Accelerator Magnets", LBL-14400, May, 1982. |
Divisions (1)
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Number |
Date |
Country |
Parent |
360192 |
Jun 1989 |
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