VisuApps
Manufacturing principles, waste, one-piece flow, value stream, bill of materials and work schedule — course Industrial Engineering (Hartung, NXT)
Apps
Five steps to the work schedule of a spur gear: check drawing and roughness, add allowances and pick the standard bar (Ø 95 × 38, part number 394), order nine operations from cutting to grinding and watch them in 3D, assign cost centre and lathe, and determine the main time th = L·i·π·D/(1000·vc·f) with a real-time turning simulation. The schedule builds up live; plus the group exercise with checking.
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Two identical lines with processes A, B and C run side by side: in a batch of ten it takes 30 minutes to get ten finished goods, in one-piece flow 12. Inventory triangles grow between the stations while a timeline draws along. Lot size, number of pieces and cycle times are adjustable; a defect at station A shows how much faster flow notices it.
Industrial EngineeringTry it
A gearbox as a 3D exploded view, linked to its product structure: quantity, structured and modular bill of materials side by side, engineering BOM against manufacturing BOM with the pre-assembled shaft as its own assembly. Build the structured BOM yourself and watch the parts appear in 3D.
Industrial EngineeringTry it
A production in two halls with hidden waste (TIMWOOD): transport, inventory, motion, waiting, over-production, over-processing and defects. Click each find, read cause and countermeasure and watch the hall turn lean; inventory and lead time drop with it.
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A factory hall rearranges itself from site and job-shop production to line and flow production. Volume and variance decide which principle fits; transport routes, lead time, stock, flexibility and investment update live.
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The lab case study after “Learning to See” as an interactive value stream map with standard symbols: the map grows in six steps from the customer upstream, then timeline, takt diagram and totals show 21.6 days of lead time against 149 s of processing and assembly as the bottleneck. Apply the seven design guidelines one by one until the future state stands; takt calculator for demand and shifts.
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