1. AUSTRALIAN NATIONAL UNIVERSITY NUCLEAR PHYSICS DEPARTMENT RECENT ALIGNMENT EFFORTS ALIGNMENT EFFORTS AT THE HEAVY ION ACCELERATOR FACILITY ACCELERATOR FACILITYANU A K COOPER

2. OUTLINE INTRODUCTION INTRODUCTION LAB INVENTORY LAB INVENTORY ALIGNMENT PROBLEMS ALIGNMENT PROBLEMS SURVEYING EQUIPMENT SURVEYING EQUIPMENT TANK OPENING 113 TANK OPENING 113 RESULTS RESULTS FUTURE PLANS FUTURE PLANS

3. WEST SOUTH MASTER LAYOUT- 3D MODEL BASED ON THIS DRAWING 14 UD, 4 CRYOSTAT LINAC, 10 LARGE DEFLECTION MAGETS 2 CRYOSTATS, 10 EXPERIMENTAL STATIONS 2 WEIN FILTERS, 21 QUADRUPOLES, MANY STEERING MAGNET SETS, SLITS APERTURES AND BEAM DIAGNOSTICS 220 METERS OF BEAM LINE 220 METERS OF BEAM LINE

4. THERE ARE SIX BUILDING ZONES THERE ARE SIX BUILDING ZONES ON SEPARATE FOUNDATIONS HORIZONTAL SHRINKAGE OF CONCRETE FLOORS HORIZONTAL SHRINKAGE OF CONCRETE FLOORS SUB SOIL MOISTURE LEVELS EFFECT SUB SOIL MOISTURE LEVELS EFFECTHEIGHTS ALWAYS ON THE MOVE

5. CRACKING DUE TO SHRINKAGE

6. FLOOR CARRIES EQUIPMENT RELATIVE TO WALL MARKS

7. TARGET DISTANCE AND RELATIVE LOCATION LONG SIGHTS THROUGH VACUUM TUBES, OFTEN WITH MANY SMALLER APERTURES, REALLY LIMIT ACCURACY OFTEN THERE IS NO ALTERNATIVE, SUCH AS, LOOKING THROUGH THE 14 UD LOOKING THROUGH THE 14 UD HEIGHT TRANFER USING MULTIPLE TARGETS ACCUMULATES ERRORS

8. DIFFICULT CONDITIONS FOR OPTICAL SIGHTS

9. EQUIPMENT USED AT ANU WILD T2 THEODOLITE WILD T2 THEODOLITE WILD N3 PRECISION LEVEL WILD N3 PRECISION LEVEL TAYLOR HOBSON 112/610 TELESCOPE TAYLOR HOBSON 112/610 TELESCOPE HILGER WATTS PRECISION LEVELS HILGER WATTS PRECISION LEVELS TAYLOR HOBSON TARGETS A112/376 TAYLOR HOBSON TARGETS A112/376 ENGRAVED WALL MARKS ENGRAVED WALL MARKS CUSTOM PERSPEX BORE TARGETS CUSTOM PERSPEX BORE TARGETS CROSS WIRES CROSS WIRES RULES AND VERNIER CALIPERS RULES AND VERNIER CALIPERS

10. HILGER WATTS TAYLOR HOBSON PRESICION LEVEL TELESCOPE HILGER WATTS TAYLOR HOBSON PRESICION LEVEL TELESCOPE 1 DIV = 0.001” IN 20”

11. BALL MOUNT ALIGNMENT POST BALL MOUNT ALIGNMENT POST

12. MOUNTED VERNIER TRANFER HEIGHTS OVER OBSTACLES

13. HOWARD WITH THEODOLITE SURVEYING LEVEL 1 CUPS AL AND HOWARD WITH THEODOLITE INSTALLING MAGNET BEARING L1

14. LIGHTING BRIGHTNESS IS IMPORTANT INTRALUX 150H HIGH INTENSITY SOURCE INTRALUX 150H HIGH INTENSITY SOURCE USE CLEAN WHITE BACKING USE CLEAN WHITE BACKING DISTURBED AIR, EFFECTS LIGHT TRANSMISSION SO, TURN OFF N 2 FLOW INSIDE EQUIPMENT AND TUBES. DISTURBED AIR, EFFECTS LIGHT TRANSMISSION SO, TURN OFF N 2 FLOW INSIDE EQUIPMENT AND TUBES.

15. INTRALUX 150H

16. ILUMINATING ENGRAVED WALL TARGET

17. ALIGNMENT LOG BOOKS

19. FLOATING TARGET WATER LEVEL IN HOUSE SOLUTION IN HOUSE SOLUTION LINKING ZONES LINKING ZONES SURPRISINGLY ACCURATE SURPRISINGLY ACCURATE FIRST REAL IDEA OF LEVELS FIRST REAL IDEA OF LEVELS BETWEEN AREAS THAT ARE SEPARATED BY WALLS AND UP TO 60M APART

20. TARGET FLOATS CALIBRATED TO WITHIN 0.02 mm IN ONE PUDDLE

21. SPREADSHEET RECORD DATA RECORD DATA CALCULATE TARGET HEIGHT REFERENCED FROM DATUM CALCULATE TARGET HEIGHT REFERENCED FROM DATUM

22. THE 3D MODEL LINKS ZONES ALLOWING BETTER LINKS ZONES ALLOWING BETTER OVERALL PICTURE HEIGHT DIFFERENCE MULTIPLIER HEIGHT DIFFERENCE MULTIPLIER AID TO DECISION MAKING AID TO DECISION MAKING

23. VIEWED FROM WEST 14 UD TARGET AREA

24. ALIGNMENT DURING TANK OPENING 13 THE 14 UD TOWER, VERTICAL WORK TOWER BASE TO LINAC HALL, HORIZONTAL WORK

25. WEST THE BIGGER PICTURE THE ION SOURCE IS MOUNTED ON THE LEVEL 5 FLOOR OF THE TOWER AND MOVES ABOUT 2 mm, RELATIVE TO THE 14UD, AS THE TOWER STRUCTURE EXPANDS AND CONTRACTS, REQUIRING STEERING COMPENSATION. ACCURACY OF OPTICAL ALIGNMENT VARIES BETWEEN 0.1 AND 0.5MM DEPENDING ON SIGHTING DISTANCE. STRIPPER CANAL ANALYSING MAGNET INFLECTION MAGNET ION SOURCE

26. SOME DETAIL TANK OPENING 113 CONFIRM LE TUBE POSITION. INSTALL NEW TUBE SECTIONS ALIGN STRIPPER CANAL BY “TWEAKING” COLUMN POST JACKS ALIGN HE TUBE ENTRY STRIPPER CANAL 8mm DIA MOUNTING, THEODOLITE TARGET AND BALL CUP MOUNTING, TELESCOPE THEODOLITE OR TARGET

27. 14 UD TOWER TO LINAC BEAM TESTS AT IMAGE SLITS SHOW BEAM NEEDS TO BE RAISED TO MAXIMISE TRANSMISSION ALONG LINE B IT WAS KNOWN THAT BEAM NEEDED TO BE STEERED UPWARD TO MAXIMISE TRANSMISSION TO LINAC THESE REQUIREMENTS ARE COMPLIMENTARY IN THAT BOTH WOULD BENEFIT FROM RAISING THE IMAGE SLIT SETTINGS

28. ANALYSING MAGNET TO ACHROMAT ANALYSING MAGNET BALL CUP TEMPORY BALL CUP 90 DEG ACROMAT 10mm APERTURE LINAC TARGET ROOM 14UD LINAC

29. TEMPORY BALL MOUNT TEMPORY BALL MOUNT A TEMPORY BALL MOUNT WAS SITED BETWEEN BIG RED AND THE ANALYSING MAGNET THIS WAS THE FIRST OPPORTUNITY, SINCE HAVING A CLEAR ROOM, TO REDUCE SIGHT LENGTH AND ACCURATELY COMPARE LEVELS USING OPTICAL EQUIPMENT

30. TASKS OPEN VACUUM THROUGH TO ACHROMAT OPEN VACUUM THROUGH TO ACHROMAT MOUNT TEMPORY BALL CUP MOUNT TEMPORY BALL CUP SURVEY PRESENT POSITIONS SURVEY PRESENT POSITIONS ADJUST TARGETS, ALIGN EQUIPMENT ADJUST TARGETS, ALIGN EQUIPMENT CLOSE SYSTEM, REASEMBLE RADIATION SHIELDS CLOSE SYSTEM, REASEMBLE RADIATION SHIELDS

31. RESULTS TRANSMISSION THROUGH 14UD TRANSMISSION THROUGH 14UD IMPROVED AT LOW ENERGIES. TRANSMISSION TO LINES B AND C TRANSMISSION TO LINES B AND C MUCH IMPROVED. TRANSMISSION THROUGH ACHROMAT TRANSMISSION THROUGH ACHROMAT EXCELLENT, SETTING UP OF LINAC LOOP MUCH QUICKER NOW.

33. FUTURE PLANS INSTAL POSITION READOUT 14 UD INSTAL POSITION READOUT 14 UD USE DATA TO CONTROL STEERERS USE DATA TO CONTROL STEERERS ENHANCE 3D MODELLING OF LAB ENHANCE 3D MODELLING OF LAB INSTAL LASER TRACKING EQUIPMENT INSTAL LASER TRACKING EQUIPMENT