Page 61: of Maritime Reporter Magazine (November 2024)

NESTING-CAM SOFTWARE FOR SHIPYARDS “The main gain a shipyard can expect by using a powerful

CAM solution is the reduction of material cost," and we can calculate a Return on

Investment in weeks or months.

To watch the full video – Philippe Rouzeau, interview with Philippe

Rouzeau, Almacam,

Manager of the scan the QR code:

Shipyard Team,

Almacam they are providing data for the CAM. The methods depart- ‘cutting material cost’ as a Top 2 agenda item, as controlling ma- ment is involved for the technical speci? cities linked to na- terial cost and pro? tability walk hand-in-hand. Estimating actual val domain. And the workshops are impacted for the control material and cost saved is not easy premised on the fact that no of the cutting machine,” said Rouzeau. “It is not enough to two shipyards operate the same, but Rouzeau did offer guidance.

propose an innovative solution, even reducing material cost “The main gain a shipyard can expect by using a powerful or controlling ef? ciently is the cutting machines. It is neces- CAM solution is the reduction of material cost, using parts sary to work with all these guys from all these departments, coming out of a 1-in. (20mm) block as an example.

in order to integrate the CAM solution into the overall en- “For such a thickness, we may have, for one block, ap- vironment of the shipyard. And integration means commu- proximately 400 to 500 different parts with complex shapes nication with the different design or management systems, to nest. This can lead to approximately 20 nesting in a stan- such like MRP, MES, or CAD system. And it means, also, dard sheet format of 10 x 4m,” said Rouzeau. “We did sev- to control, in the most automated way possible, the speci? c eral benchmark studies which showed that we can save one machine equipping the shipyard.” or two sheets among the 20, so it means a reduction of waste

Rouzeau started working in more than 30 years ago, start- of approximately 10%. We cannot expect such wins on all ing with Chantiers de l'Atlantique, which was Alma’s ? rst thicknesses because the number of parts to nest can be much shipyard customer as they were looking for a nesting engine lower for different thickness. But if we take a 4% average to reduce their material cost. “The shipyard market has al- wins ratio for a complete block, we can make a projection on ways been a niche but very important market for Alma,” said a complete cruise vessel of 30,000 tons, for example. With

Rouzeau. “We have deployed our CAM solution into many a material cost of approximately $800 per ton, we can cal- big shipbuilders,” including Fincantieri in Italy, Meyer Werft culate a win in material cost between $900,000-$1 million,” in Germany, Cochin Shipyard and Larsen & Toubro in India, meaning the shipyard could effectively achieve a return on and Bath Iron Works in U.S. investment in a matter of months.

Today Rouzeau focuses on managing complex projects in the While material savings are tangible, additional bene? ts shipyard domain “from A-to-Z,” starting early in the pre-sale using optimization algorithms such as cutting-pass calcula- stage to the ? nal deployment and the start of production in the tions can reduce machining time. “In addition, most of the yard. “My role is to help shipyards to digitalize their process, time our solution is fully automated and can run in full batch and to integrate our Almacam solution in their environment.” mode,” said Rouzeau. “So the programming time is also greatly reduced, and the risk of error, too. These are smaller

Show Me the $ than material wins, but they have to be considered in the

There is not a manufacturer in existence that shouldn’t have choice of a new CAM solution.” www.marinelink.com 61

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