Question
Cut to size operation only requires 3 minutes before transferring into milling station. Milling station consists of two lines. Every line counts with a buffer
Cut to size operation only requires 3 minutes before transferring into milling station.
Milling station consists of two lines. Every line counts with a buffer and pick and place robot to transfer Wood into milling machines.
Milling machine 1 is older than milling machine 2,thus,milling machine 1 is available just 70% off the time and 15 minutes Mean Time To Repair MTTR, with 2 minutes of set-up between shifts. On the other hand, milling machine 2 is available 98% of the time, but electronically components provide 35 minutes as MTTR with 5 minutes of set-up between shifts.
Milled tables are picked and placed by another robot in to a buffer (8 unities capacity) before painting station.
Painting station requires a painting station (3 minutes) and conveyor for drying cycle (15 meters long). Likewise, parts could be approved or rejected (a pick and place with sensors determines it). 5% oft total pieces are normally rejected which are send to scrap.
The leg supplier send them across a conveyor (15 meters). There are two stations for assembly operation (1 minute each). A previous inspection in every line lasts 1 minute. Both lines join together (1 minute) before going to shipping station where a buffer of 8 pieces is waiting before loading. All the suppliers work under the scheme of just in time, continuous entry of material is expected during the shift.
There are two packing station lines and the box suppliers end them directly to packers. Most of your process has been automated except for packing stations, where you have hired John and Mike (your neighbors, Mikel packs in one minute, John is slower than Mikel by 100%), they have to walk properly and follow indications.
In order to ship the order, a truck is loaded (capacity:16 packed tables) in a transfer station. The truck travels 30 meters and exits your plant.
How many tables are you able to produce per shift (8hours)?, determine the number of trucks you are using and number of badly painted tables. Also, elaborate your VSM with the information given.
Take into a count that the time to mill each table with the mill machine is 5 min.
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