I have demand, on-hand inventory and open purchase orders. What orders can I cover with materials and which orders are going to be short? This is a simple question in material planning. We frequently get asked by clients to build spreadsheet tools that can provide an answer. You can download
Today, manufacturing excellence is built on execution. Lean manufacturing places emphasis on daily execution to customer demand. It favours a system of visual signals on the factory floor to replace computer planning and paper reports. Does this mean that production scheduling is in conflict with best practices of lean and demand-driven production? Certainly not. Scheduling goes far beyond Master Production Scheduling, is an essential part of integrated planning and a powerful way to model real-world constraints in a supply chain.
Business has a love-hate relationship with spreadsheets. Widely used, accessible and essential to running the business. They are also unsecure, error-prone and scatter silos of data across the enterprise.
Depending on your point of view, spreadsheet use can be a users’ paradise or a necessary evil. Excel is the daily work-horse to over 500 million users, yet many IT departments seem hell-bent on stamping out spreadsheets and migrating everyone to business intelligence, budgeting and ERP applications.
Here at Production-Scheduling.com, we are in the business of taming spreadsheets. You might suspect that we always come down in favour of using spreadsheets for business applications. The truth is that there is only ever one answer to the question:
Should we be using Excel to ………….. (insert your business function here)
The answer is:
Many of the tools, templates and systems that we build use macros in Excel. Some of you will be quite capable and experienced with Excel macros and VBA. Others could be coming across Excel macros for the first time. Excel 2007 upwards has some additional security for running macros. If
Excel-based planning and scheduling systems need data. Best practices in developing Excel systems say: “Separate data storage, calculation and reporting.” A database the best place to store data. Our Excel tool needs to bring it in, perform calculations and then send it back out. The output tables can