NDLI: The Brick Assembly Machine (BAM) for the OPERA experiment in LNGS

Content Provider	IEEE Xplore Digital Library
Author	Buontempo, Salvatore Dell'Era, Marco D'Aquino, Bruno De Fascio, Luca Orlandi, Donato Paruta, Paolo Napolitano, Tommaso Sirignano, Chiara Vanzanella, Emanuele
Copyright Year	2008
Description	Author affiliation: M.D.Automazione, I-27051 Cava Manara (PV), Italy (Dell'Era, Marco) \|\| INFN-LNGS, Italy (De Fascio, Luca; Orlandi, Donato) \|\| University of Salerno, Italy (Sirignano, Chiara) \|\| Tecno-Cut Srl, Sesto S. Giovanni, Italy (Paruta, Paolo) \|\| INFN Naples, Italy (Buontempo, Salvatore; D'Aquino, Bruno; Vanzanella, Emanuele) \|\| INFN-LNF, Frascati, Italy (Napolitano, Tommaso)
Abstract	The BAM project was conceived to face the problems of the brick construction of the OPERA detector target. An OPERA brick is made of a pile (interleaved lead and nuclear emulsion sheets), kept under a pressure of 3 bar. The brick must be a precise object (dimensional tolerance: ± 0.1 mm), weighting about 8.5 kg, which must be stable at micrometric level for 5 years (OPERA data taking time). The main purpose of the BAM project was to assembly 150.000 bricks in the planned time of one year. It was mandatory to keep bricks shielded from cosmic radiations and there was no way to store them out of the OPERA detector. Thereby it was decided to design an automatic machine for brick assembling, to place it close to the OPERA experiment (inside the underground laboratories of LNGS). Once defined the assembly technique, several technical problems were faced concerning the manipulation of both brick components and assembled bricks. The very challenging goal was due to the synergy of several technical difficulties to be solved in parallel: work in dark and clean room, micrometric precision, handling of heavy and fragile components, high level reproducibility, high production speed and long term stability. The use of anthropomorphic robots was the key choice to solve most of them. In fact those robots show outstanding feature of flexibility and reproducibility in positioning components in the space. Additional PLC and image processing controls were conceived to secure the demanded on line quality control of the production process. The BAM is equipped with 11 anthropomorphic robots and represents today the first application of this industrial technique in the particle physics research field. This approach can become a relevant solution for all future mass productions in the construction of components for future large size detectors in particle physic research. The final average production rate of 750 bricks/day was achieved. The BAM stopped the OPERA brick mass production in June 2008 at 146600 bricks produced, due to lack of lead caused by a severe accident in the lead supplier firm. The remaining 3400 bricks are planned to be produced, as soon as lead components will be available again.
Starting Page	2306
Ending Page	2312
File Size	10227978
Page Count	7
File Format	PDF
ISBN	9781424427147
ISSN	10957863
DOI	10.1109/NSSMIC.2008.4774817
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-19
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Assembly Magnesium compounds Liquefied natural gas Face detection Production Orbital robotics Detectors Reproducibility of results Anthropomorphism Service robots
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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