Polyhedrika

  When we need to process different products in the same line we want to work out the best job sequence to minimize lead time and maximize capacity utilization. We also need to work out the minimum lot size to meet the demand and minimize lead time. Before we can commit the delivery date of a new job to the customer we need to know the  state of the jobs already being processed For non repetitive processes you can use project management scheduling The ideal of "Lean Production" is lot size of 1 but this is not always possible when change-over time is significant. This change-over involves loading different components and changing jigs or molds. When change over or setup time is significantly higher than process time we are forced to work with larger lot sizes. One way to minimize lot size is to minimize setup time. The SMED (Single Minute Exchange of Dies) methodology has been very successful to reduce setup times from hours to minutes.  Scheduling Constraints In a sequenti

  Project management is the practice of initiating, planning, executing, controlling, and closing the work of a team to achieve specific goals and meet specific success criteria at the specified time (Wikipedia) A key application for project management is job scheduling in order to define the sequence of jobs for each product or customer project. When we schedule production we typically work in batches (in spite of Lean) and a scheduler is provided in    Production Scheduling In this case we are going to approach non repetitive projects such a house remodeling. You can download here an excel file you can use by removing all data in light yellow cells and filling in your own: Download this Excel file Scheduling.xlsx from OneDrive  Some Project Management Problems The schedule was distributed in paper but I am not sure I have the latest version I have received several emails and Whats Apps with changes but it is not clear which is the final result The plumber found existing plumbing in