Garage Fabrication


Angels Inc. is considering bringing the garage
fabrication process (which is currently outsourced)
in-house. If garage fabrication were brought inhouse,
the factory would be structured as follows.
Roofs are punched in a roof punching press (10
minutes per roof) and then formed in a roof forming
press (5 minutes per roof). Bases are punched in a
base punching press (10 minutes per base) and
then formed in a base forming press (15 minutes
per base), and the formed base is welded in a base
welding machine (5 minutes per base).


The base sub-assembly and the roof then go to final
assembly where they are welded together (10
minutes per garage) on an assembly welding
machine to complete the garage. Assume one
operator at each station.
(a) Draw a process flowchart of the process.
(b) What is the minimum time required to produce a
garage (from starting an order to finishing it)?
(c) What is the capacity of the factory in terms of
garages per hour?
(d) If you want to increase the capacity, what is the
stage that you would put some additional


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