Aerospace defense extension
Satisfying government requirements...
The Aerospace Defense Extension brings MFG in
control and planning excellence.
The Aerospace/Defense Extension is a module enhancing the Mitrol MFG application. As such,
most of the functionality of the core transactions of MFG is retained, with added
functions, via both updated and new transactions. Therefore, some subsystems such as the
Bill of Material Subsystem or the Inventory Control Subsystems have been completed to meet
the requirements of companies working in sensitive domains such as Aerospace and Defense.
Get a full control of inventory issues, predict the full
effect of scheduling actions, and physically locate any component in systems and primary
assemblies... using the Aerospace Defense Extension.
Program Requirements Pegging.
Program Requirements Pegging identifies the program source of component part requirements
at every level within the MRP explosion. This provides the manufacturing planner with
knowledge of the full effect scheduling actions will have on various in-process programs,
and with the capability to generate multiple work orders or purchase orders, each assigned
to a particular program. Mitrol Aerospace Defense can be directed to generate separate
MRP's for individual programs. It can do this by using only the work orders, purchase
orders, and inventory assigned to the program for netting. It can also combine the total
requirements for two or more programs and net the results against all open work orders,
purchase orders and available inventory.
In either case, if work orders or purchase orders have been
generated for a particular program, this is noted in the display accompanying the MRP
report. MRP will always work from the perspective of manufacturing economies. In this
case, the planner may ignore the recommendation and take more appropriate action.
The MRP report matrix for each component in the explosion
is expanded to show one requirements row for each program (the equivalent of showing one
row for each master schedule record for a part). Note: This capability is frequently, and
incorrectly, referred to as "Full Level Pegging". Full Level
Pegging technically refers to identifies the top level Part. The Mitrol Aerospace Defense
System identifies the top level PROGRAM, a data element stored in the Master Schedule
file. Program Requirements Pegging supports aerospace manufacturing planning, whereas Full
Level Pegging does not.
Product Structure Serial Effectivity.
Mitrol Aerospace Defense maintains separate bills of material corresponding to the typical
stages of product system design and manufacturing.The bill of material is established at
the design stagea bill used by engineering for detailed design work. Ownership of
the bills of material falls entirely to the Engineering department.
While in the design stage, bill of material changes (e.g.,
components, additions or deletions, component quantity changes) are unlimited, each
representing effectively a paper and pencil engineering change. At this time, all parts in
the product structure are assumed to be needed and/or usable as is in the manufacturing
process. In the design stage, all parts are "shared" by the
engineering and manufacturing bills of material.
The bill of material is next assigned to the Manufacturing
Engineering and/or Manufacturing Planning departments. Changes reflecting manufacturing
limitations, manufacturing economics or material availability may be made. The resulting
product structure reflects the planned version. This planned version may result in
different parts being used in the "as designed" (i.e.,
engineering) and "as planned" (i.e., manufacturing) bill of
material. Parts are defined "as exclusive" to one of the two bills
of material, may be "shared" by both.
When the bill of material is considered released for
production, modifications must be accompanied by an engineering change order and tracked
through the assignment of revision levels. Engineering changes to a product structure may
be effected by system serial number. As the system design evolves with new options and
improvements or is modifies to satisfy the requirements of a variety of customers, changes
are incorporated in ascending order, reducing unique serialized products. Changes made to
the structure are specified as effective with a starting serial number and due to be
phased out following an ending serial number. A revision level is assigned to each change.
Serial effectivity is usually associated with bill of material activities (e.g.,
engineering changes) and is primarily an Engineering concern. Serial effectivity
information must be converted into equivalent dates for manufacturing planning purposes,
The manufacturing planning group is responsible for
assigning anticipated effectivity dates for each engineering change. MRP will use these
effectivity dates for material availability planning. However, a new configuration will
not be automatically put into effect, but rather the planner must indicate to the system
that use of the new configuration is imminent.
Configuration management provides the capability to document and verify "as
built" system configurations. in addition to system testing, Quality Assurance
is required to verify that each uniquely built system conforms to contract specifications.
The Mitrol Aerospace Defense maintains all data required for complete system audit
and documentation. Upon completion of manufacturing for a uniquely built system, its
serial number and configuration are entered into the system. All incorporated engineering
changes and revisions are identified, along with component serial numbers or lot numbers,
assigned work orders and reference designators.
The "as built" configuration is
compared to the "as planned" bill of material to ensure that
correct components, component quantities and component revision levels were properly used
in the manufacturing process. Comparison is also made to ensure the incorporation of all
requisite engineering changes, and the proper use of authorized alternate components.The
Bill of Materials Reference Designator attaches a topological or geographic reference to
the part or bill for physical location of components in systems and primary assemblies.
This designator provides an historical reference which greatly facilitates regular
maintenance or special service on parts in custom-manufactured items.
Multi-Location Inventory by Program.
Mitrol Aerospace Defense supports multiple location inventory tracking by program. Full
control of all material movement, including a complete audit trail, is maintained. The
material flow from manufacturing and support operations, receipts into and issues from a
stockroom, and in-transit inventory are recorded with strict transaction control.
Inventory discrepancies may be tracked to a part or to a stocking location.
Inventory balances for a program are maintained separately.
Multiple stocking bin locations for a part are allowed. While material stored in a stockroom location is assigned to a specific program, it may be co-mingled between
programs. This allows the economies of large procurement programs and production runs to be realizedwhen contractually permitted. Common stock for low cost items used in
many programs may be in a single location, then transferred to a specific program when issued.
The procedure for tracking material by program may be
extended into the purchasing and production control functions, allowing, for example,
scheduled receipts to be segregated by program during the planning process. Full control
of inventory issues can be accomplished by assuring that material procured for a program
is issued only to work orders for that specific program.
Traceability supports the aerospace requirements to track material usage, identifying
component use by system. For each part, the systems, assemblies or work orders in which it was used, reference designator locations, and source work orders or purchase orders may be
identified. For a system or major assembly, the serial numbers or lot numbers composing it may be identified, as well as assigned inventory location(s) for a material lot or for a serial number.
AEROSPACE AND DEFENSE
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