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Title: ROMI 4.0: Updated Rough Mill Simulator

Author: Grueneberg, Timo; Thomas, R. Edward; Buehlmann, Urs.;

Date: 2012

Source: Forest Products Journal. 62(5): 373-377.

Publication Series: Scientific Journal (JRNL)

Description: In the secondary hardwood industry, rough mills convert hardwood lumber into dimension parts for furniture, cabinets, and other wood products. ROMI 4.0, the US Department of Agriculture Forest Service's ROugh-MIll simulator, is a software package designed to simulate the cut-up of hardwood lumber in rough mills in such a way that a maximum possible component yield is achieved. ROMI 4.0 simulates the cut-up of lumber using two common processing modes: rip first and chop first. Additionally, this latest version of ROMI includes a novel feature that allows users to analyze each board's yield when processed in either rip-first or chop-first mode. This permits yield gains to be achieved, resulting in lower material costs for industry participants. The software also allows a user to model, simulate, and examine the complex relationship among cutting bills; part dimensions, quantities, and qualities; processing options; and lumber grade mix. ROMI 4.0 includes many improvements over the previous version, including the combined rip-and-chop option and various improvements to the user interface. We subjected the software to a complete review to assure functionality and user-friendliness. This article discusses these improvements and demonstrates the usefulness of ROMI 4.0 for hardwood dimension mills for researching yield and process improvement opportunities.

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Grueneberg, Timo; Thomas, R. Edward; Buehlmann, Urs. 2012. ROMI 4.0: Updated Rough Mill Simulator. Forest Products Journal. 62(5): 373-377.


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