(Solved) : Part Machining Process Composed Three Main Sequential Sub Processes 1 Receiving Preparing Q37251371 . . .
The Part Machining process is composed of three main andsequential “sub-processes”,
1. Receiving & Preparing Raw Material,
2. Loading CNC Machine, and
3. Final Quality Control.
Basically, the first sub-process is responsible for preparing andthen feeding the CNC
machine tool with the appropriate raw material; the secondsub-process is responsible for
the manufacturing of parts; and the third sub-process isresponsible for approving the
manufactured parts and then sending them for shipping.
The Receiving&Preparing Raw Material process has as inputs”doc1″ (raw material
specification which comes from the Receiving department) and the”raw material” itself. In
order to be executed, this process must receive the “preparationorder” (this comes from
the Receiving department). Resources required to execute thisprocess include “worker 1”,a
“saw machine”, “PC1”, and the “software data collector”. At the endof its execution, the
Receiving & Preparing Raw Material process has as output:”doc3″ (a quality report), “doc7”
(the preliminary preparation report), “doc2” (the materialspecifications), and the “material
prepared”. “doc3” is input for a process that is not covered by thePart Machining process
“doc7” is one input to the Final Quality Control process. Theremaining mentioned outputs
are inputs for the next phase, the Loading CNC Machine process.
The Loading CNC Machine process has as inputs: “doc2”, “materialprepared” and
“production plan update”. It requires as resources: “worker 2″,”buffer”, “tooling
management system”, “Monitoring software”, “part design”, “CNCprogram”, and “tools”. It
can only be executed if it receives the “job loading order” as wellas the “job loading
sequence”, which are both issued from the Manufacturing andPlanning department, and
these two orders come from external processes (i.e. from outsidethe Part Machining
process). As outputs it provides “doc6” (a copy of this is storedin a database “DB1” and
another copy is sent to the Manufacturing and Planning department),the “scraps buffered”,
the “batch buffered”, and “doc4”. The two last outputs are directedinputs to the next
phase/process, the Final Quality process. The two first outputs areinputs for other process
out of the scope of the Part Machining process.
The Final Quality Control process receives as inputs “doc4”, “batchbuffered” and “doc7”. It
doesn’t require any execution conditions. It requires the followingresources: “worker3”,
“measure machine”, “PC3”, and the “Quality Control software”. Itprovides as results:
“doc5″ (a quality report; one copy of this is stored in a database”DB2” and another copy is
sent to the Quality Control Department), the “machined parts”, andthe “shipping order” (a
copy of this order is stored in a database “DB3” and another copyis sent to the Shipping
department).
1. Draw IDEFO diagrams for the A0 node and the decompostion ofthe A0 node
based on the above description.
2. Given this description of the system, draw the DFD contextdiagram and Level 0 diagram.
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