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Cranes Technology Committee Activities The CTC met 7–8 February 2018. Mobile, Ala., USA. The meeting began with a review of the CTC’s AISTech 2018 technical session, which includes five papers. Members in attendance received instructions regarding paper and presentation review, session chair responsibilities and an overview of the AIST Commercialism Policy. The committee also opened up for nominations to be made for 2018–2019 officers. Discussion then focused on the 25th AIST Crane Symposium, which will be held on 10–12 June 2018 in Pittsburgh, Pa., USA.
A lengthy discussion was held on the remaining open presentation slots. The CTC has always prided itself on providing a forum for innovation, new technology and helping members/attendees solve their problems through networking and technology exchange. One concept that may be implemented is to have an open-floor discussion where producer attendees can voice an issue to the audience and to let the other attendees provide feedback to the problem. Another concept is to have multiple presentations be made centered around how Industry 4.0 is impacting crane automation. Presentations would include programming for new automated cranes as well as reprogramming older cranes and the lessons learned through experiences. The committee then heard from the Crane Innovator of the Year champions, who individually spoke on behalf of their nominees. Mick Foster championed the use of drone technology for crane inspection.
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Overhead travelling cranes (AISE 2003, Fisher 2004, Griggs and Innis 1978, Griggs 1976). Following Rowswell (1978) and Millman (1996) impact is not. (Publications de l'Ecole fran^aise d'Extreme-Orient, volume 150), Paris. Albany: State University of New York Press, 1996 Sivaraksa, Sulak, editor, The. To guide seekers of purity along the “straight way” to the ultimate purification, nibbana.
He touted the technology as a better, safer, cheaper and faster method of doing crane runway and crane structure inspections. The technology could be applied to other structures in industry as well as for crane inspection. Charlie Totten championed the use of rolling glare shield glass in electric overhead traveling (EOT) cranes. The glass would be used in place of the pull-down shades typically used by crane operators to prevent sun glare or to shield a crane operator’s eyes while being exposed to radiant light from molten metal. Liz McCallum championed the study done by Steel Dynamics on crane cab air quality. The study focused on testing the air inside a crane cab and comparing it to the air outside the cab to ensure that the air filtration systems on the crane cabs are properly functioning for the operator’s safety. The last champion, Russ Walters, spoke about the importance of proper grouting techniques for crane rail and runways.
The proper grout for the application must be used to ensure proper compressive strength, impact resistance and service temperature so that it performs properly. The Crane Innovator of the Year Award will be presented at the 25th AIST Crane Symposium. The meeting concluded with an open discussion on member concerns. One item discussed was for future revisions of Technical Report No. 6 to include additional metric conversions and to include lighter-weight cranes that are not EOT-type cranes such as jib cranes and small maintenance cranes. The meeting concluded with a tour hosted by Stuart Driskell of AM/NS Calvert. Jim Dunn, general manager of maintenance, welcomed everyone to the AM/NS facility and gave a description of the facility, its production lines and capabilities.
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Details were provided on the cranes at the facility, their sizes and any particular attributes to the cranes. AM/NS has been automating many of their cranes to reduce maintenance and to increase operator utilization for other areas of production. Some automated monitoring used for crane maintenance are sensors, bearing thermocouples, motor vibration monitoring, anti-collision and the use of GPS tracking.
The CTC met 4–5 October 2017, Memphis, Tenn., USA. The primary focus of the meeting was to review the ballot draft responses from the CTC members for the Technical Report No. Following the response review, the CTC held nominations for a replacement vice chair, as the former vice chair had retired from the committee and the steel industry. Heath Hooker, Nucor-Yamato Steel Co., was elected by the members to assume the duties of vice chair. A brief summary and discussion followed on the organization of the crane session for AISTech 2018. Session chairs were also identified.
Charlie Totten provided an update on the 2nd AIST-IAS Crane Symposium, held in Rosario, SF, Argentina, on 23–25 October 2017. Twenty-nine presentations were confirmed for the event with a mix of North American, South American and European technology for electric overhead traveling cranes. The CTC nominated individuals for the 2018 Crane Innovator of the Year Award. Champions were selected to promote nominees at the winter 2018 CTC meeting.The meeting concluded with an update and discussion on the 25th Annual Crane Symposium, which will be held on 11–12 June 2018 in Pittsburgh, Pa., USA. Presentation topics are still being sought to fill out the program for this milestone event of the longest-running AIST Technology Training course. On 5 October, the CTC was hosted by Nucor-Yamato Steel Co.
For a tour of its steelmaking and rolling operations. Bill Schierenbeck (right), CTC vice chair, presented a retirement memento to Bobby Askew (left), CTC chair.
The CTC met 22–23 February 2017, Roanoke, Va., USA. The AIST Mechanical/Structural Subcommittee met independently on 22 February 2017 to finalize its revisions to AIST Technical Report No. 6 — Specification for Electric Overhead Traveling Cranes for Steel Mill Service. Three comments in the mechanical section of the report still require review prior to the report being ready for ballot draft.
The general CTC meeting occurred on 23 February 2017. An open discussion on crane safety lights was held in reference to a recent article entitled, “Innovative Warning Lights for Mobile Equipment and Overhead Cranes,” which was published in the August 2016 issue of Iron & Steel Technology.
CTC members noted the increase in use of lasers and colored lights around mobile equipment to increase awareness. A note was made during the discussion that the brighter LED lights being installed on some crane bridges may cause some operators to experience glaring on the crane cab glass. The CTC reviewed its AISTech 2017 technical session. A comment was made that outstanding authors who have yet to register should be contacted and urged to fulfill their commitment to the conference. The 24th Annual Crane Symposium program was reviewed and open presentation slots were filled, bringing the event up to 24 individual presentations on crane technology and case studies. A discussion was also held regarding the 3rd international and 2nd AIST-IAS Crane Symposium, which will be held in Rosario, SF, Argentina, on 22–25 October 2017.
There are 27 presentations from Argentina, Belgium and the U.S. The business portion of the meeting concluded with the champions of the nominees for the Crane Innovator of the Year Award promoting their candidates to receive the award. Four champions spoke for the nominees and a vote was taken of the members in attendance. The Crane Innovator of the Year winner will present their innovation at the 24th Annual Crane Symposium in June. The meeting concluded with a visit to the Steel Dynamics Inc. – Roanoke Bar Division in Roanoke, Va., USA.
Cranes Technology Committee visiting the Sloss Furnace Museum in Birmingham, Ala., USA. The CTC met 12 October 2016, Birmingham, AL, USA co-located with Secondary Steelmaking Refractories — A Practical Training Seminar. The CTC began its meeting by opening the floor for members to discuss solutions for any crane-related issues amongst the members or to present a recent success story within their facility as they relate to overhead cranes. The goal of the open discussion was to find solutions to problems and provide tips for others. The CTC’s AISTech 2017 technical session development was discussed. One session is being planned that will relate to cranes, with five papers in that session. Session chairs were identified and instructions were provided to the session chairs as to the requirements to ensure a successful session.
The candidates and champions for the 2017 AIST Crane Innovator of the Year were identified. Four technologies were nominated and a member for each technology volunteered to champion the nominee. The champions will present their cases at the next CTC meeting as to why their nominee should be considered for this award. An overview of the 24th Annual AIST Crane Symposium program was provided. Fifteen presentations have been scheduled but additional presentations are being sought.
Members at the meeting offered an additional 13 potential presentations for the event. Once the program is finalized, invitations will be sent to the presenters. Updates to AIST Technical Report No. 6 — Specification for Electric Overhead Traveling Cranes for Steel Mill Service were discussed. The electrical section revision is complete. There were a number of revisions to the mechanical section that have been submitted by members and the Mechanical/Structural Subcommittee will review those items at its next meeting. The meeting concluded with an open discussion period on anti-sway technology and the request by the Instituto Argentino de Siderugia (IAS) to hold a second joint IAS-AIST Crane Symposium in Argentina in 2017.
Approximately 15 presentations are being sought from AIST to contribute to the program. Following the meeting, the CTC visited the historical Sloss Furnace museum. The following officers were elected:. Chair: Bobby Askew, Nucor–Hertford County.
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Vice chair: Bill Schierenbeck, Xtek Inc. The CTC met 2–3 February 2016, Jacksonville, Fla., USA. The CTC was given a tour of Gerdau Long Steel North America Jacksonville Mill on 2 February. Bill Rider, meltshop superintendent, and Jacob Garrison hosted the committee and provided an overview of the facility, its equipment and its production capabilities. The tour consisted of a visit to the scrap yard, the meltshop, the reheat furnace, the rolling mill, and the packaging and shipping area. On 3 February 2016, the meeting began with the CTC members splitting up into their respective subcommittees (Mechanical/Structural and the Electrical Subcommittees) to finalize any revisions to their sections of the EOT Crane Maintenance, Inspection and Repair Handbook. A summary report was given by each subcommittee regarding any changes they made to the handbook.
A thorough review was then conducted of the entire document to note any inconsistencies, redundancies or irregularities between sections. Bill Schierenbeck, Charlie Totten and Mark McGinley championed their candidates for the Crane Innovator of the Year Award and presented why they thought the award should be given to their candidate. Following the presentations, members voted on the candidate who they thought best deserved the honor of being an individual recognized for taking the opportunity to improve the efficiency and safety of an electric overhead traveling (EOT) crane. The winner will receive their award at the 23rd Annual Crane Symposium, which will be held on 21–23 June 2016, Indianapolis, Ind., USA. The current status of the Crane Symposium program was reviewed.
A number of presenters have yet to confirm their participation. If any presentations cancel, substitutes will be identified. Ken Lewis was recognized for his 30 years of continual service to the AIST Cranes Technology Committee and its predecessor, the AISE Subcommittee No. 6 on Electric Overhead Traveling Cranes. Lewis is retiring and was presented with a commemorative gift for his years of service. Bobby Askew (right), CTC chair, presented Bill Rider (left) with a plaque of appreciation for hosting the CTC’s tour of Gerdau Long Steel North America Jacksonville Mill. Bobby Askew (right) recognized Ken Lewis (left) for his longtime service to the CTC.
The CTC toured Gerdau Long Steel North America Jacksonville Mill on 2 February 2016. The CTC met 14–15 October 2015, Charleston, S.C., USA. The meeting began with a tour of Nucor Steel–Berkeley. The group was greeted by Brian Kath, crane maintenance supervisor, and given a tour of the entire steelmaking facility at Berkeley, from the EAF shop to the galvanizing line.
Following the tour, the group separated into the Electrical Subcommittee and the Mechanical/Structural Subcommittee to review comments on the Maintenance, Inspection and Repair Handbook for EOT Cranes. On 15 October 2015, the CTC members convened as a whole committee to discuss general business. A summary of the 2015 AIST Crane Symposium was provided by Mike Urbassik. Nominations were taken for the AIST Crane Innovator of the Year Award. Urbassik then discussed the progress for obtaining presentations for the 2016 AIST Crane Symposium. A request was made to Nucor and Steel Dynamics, who are ardent supporters of the Crane Symposium, to consider volunteering a presentation from their companies for the symposium. Urbassik also summarized the status of the CTC’s technical session for AISTech 2016.
A single session of five papers has been scheduled, and session chairs were identified. The subcommittees then gave a report on their activities from the previous day. The Electrical Subcommittee reviewed all comments pertaining to the electrical section of the Maintenance, Inspection and Repair Handbook for EOT Cranes and are working to develop two additional sections on motor inspection and on crane light inspection. The Mechanical/Structural Subcommittee worked through a section on crane wheels and will require additional time to complete the review of comments for their section. At the conclusion of the meeting, the Mechanical/Structural Subcommittee reconvened and continued their review of section comments. The subcommittee will meet again on 4 December 2015 in Pittsburgh, Pa., USA, to complete the task. Bobby Askew (left) presented a plaque of appreciation to Brian Kath (right) for hosting a tour of Nucor Steel–Berkeley during the CTC’s meeting.
The CTC met again on 7 June 2015 in Pittsburgh, Pa., USA, prior to the 22nd Annual Crane Symposium. M i k e Urbassik provided a summary of the presentations organized for the 22nd Annual Crane Symposium.
He also gave an update on the status of presentations for the 2016 AIST Crane Symposium. Currently, 16 presentations have been secured for the 23rd Annual Crane Symposium, which will be held in June 2016 in Pittsburgh, Pa., USA. T o m Berringer provided an update on EOT Maintenance, Inspection and Repair Handbook, which is in its final stages of organization. The report will be laid out in four sections: electrical, mechanical, structural and a section on general items plus safety, reliability and a glossary.
Once posted on the CTC Members Only area, the CTC members will have an opportunity to review the handbook in its entirety to provide comments and feedback prior to the next CTC meeting.