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Manufacturing Process Management allows you to manage manufacturing) e7 Z5 b- S4 G& a a" V0 F
planning and execution, using information generated in the design stage.
0 U U) r* @- lThe manufacturing planning model includes several interrelated process and
. G4 I0 S- b& n3 m( Yoperation types, as follows:
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Manufacturing process
1 _2 h3 M$ T3 ~A set of manufacturing process operations and other manufacturing
: R8 s/ Q/ T; E# `8 O* ~processes that are closely related to each other. It is a mechanism to group8 c& M$ Y9 T4 F5 J; u
operations into logical groups. It also maintains constraints on the order
$ ?0 a" L& C4 i+ T: |of execution between subprocesses and process operations.. z4 Y) S3 I2 ^0 Q1 S k: k5 } w
The process structure is the model of the complete manufacturing plan,- g2 b% g$ E" ?. R' @5 A! w3 `
and describes how and where the product is manufactured. It contains$ }2 Q+ Z; Y8 y. J% q8 e
information about which plant structure elements are used and where.
( ~8 y4 r0 K6 g4 A4 x1 ?# z) oIt establishes links between the product, plant layout, and the resources2 m/ `6 ^$ i0 g2 k
necessary to produce the product.
0 }1 r/ J* ?9 t! x6 H$ t; l( ]- fOperations and resources can be shared by several processes. You can
7 _' y5 d3 k( t' e2 vdefine multiple views of a process to allow for different manufacturing8 K/ g3 _3 g$ B
requirements.
8 P p7 a! I; [6 \. h! |+ |You can also vary the generic bill of process (BOP) by defining and4 _! |/ n# Q' u, n: x) Q
applying variant or revision rules.) z4 `% {# d5 ]7 z d1 @- t
1 C9 H/ ^2 L7 d8 m' LProcess operation
& A$ J) ]; A' `8 i! SA process operation represents one controlled step in the process and; E) l7 ?9 d% N# k9 Z
contains the work done in one work area; technically, it is a leaf node
g. S( d0 T" g @9 |) Y& @in the process structure. Optionally, you can break a process operation9 y9 Z) W8 s" {+ z: A' H& c4 o: C3 J
into steps called activities. Examples of process operations include an
+ G+ `6 _# M5 y3 S' L% C( xNC machining operation on a single machine tool and an operation to
' ~. l3 D6 q# u5 d6 x* passemble several components into a structure.0 g- [8 ^( Q" G4 X
2 s8 I* V7 U- I7 eOperation activities9 w3 D% w: t3 q+ @ m% D/ [6 X& T
A breakdown of manufacturing process operations into activities, each
+ z7 u3 A) `4 |3 L; ^9 @with an associated start time and duration. The total time of an operation: D7 G2 j# I: i9 \
is calculated from the start time and duration of each activity.$ K l& Q6 |5 f9 l1 T
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Workstation" p% S# ?3 g8 |4 U! S5 k: r
A unique location within the factory to which you can assign2 j! N, h+ \ V3 a
manufacturing operations, for example, a paint spraying booth.
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( J2 @4 l7 c3 G) ]1 y% DPlant
$ |$ J3 S6 u0 x" rA manufacturing facility in which operations and processes are executed.5 P$ i7 o5 @4 ^( `0 e
The plant structure is hierarchical structure of work areas of the factory4 }1 b1 W$ H- i( l/ _" E+ W, [
in which the product is manufactured. Its definition is independent of, but
* p% k" C( \- w& W5 q+ V! xrelated to, the manufacturing processes that are performed in it.8 w8 W2 D; n6 r9 s
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3 K" l9 I8 u; K# Y0 X) XWork area
6 U/ Y, [+ G2 i( X8 l5 YAny element in the plant structure such as a factory, line, section, work% z5 L& J2 r2 e7 U i
cell, or station. Typically, a work area is assigned to one process operation.5 t* f' P: t: y6 Y
A work area is defined by a location on the shop floor and the process6 k ` a; f1 p8 J* g$ l4 a
capability it provides.
# w$ `0 t2 @" v% I; TTo group resources further, your organization may define a hierarchy of& ~ n7 V/ T' f) Z* t. j! \4 i9 B
work areas. For example, a plant may include a welding line, a lathe1 n; f1 r6 g5 Q* M& C
workstation, a milling workstation, and an inspection workstation. The7 A& h5 L3 u3 ?% Z* _
welding line may contain a welding workstation and a welding work cell.# R, o& W" [1 t' Y4 p6 ?
You configure each work area with standard equipment, and you can
% A: u$ [0 C" v+ i4 d! p$ B, `9 dfurther configure equipment that is needed to execute a specific process) U6 @/ E' E2 E6 A
operation. The process designer tries to use as much standard equipment
# X f& c! c \" [2 j$ s2 _in the work area as possible. If additional equipment is needed, the0 S1 g& y& S) e
process designer provides work instructions on how to configure the work
/ u1 u- J" G A( c! Y) yarea with the additional equipment. For example, an NC machining
& x8 H$ g/ \& `0 z: ecenter may be pre-loaded with standard tools that are commonly used on1 W. }3 k |: C
the machine. If a process operation requires tools that are not pre-loaded,
% K' t6 N, [1 B( fthe operator loads them on the machine when the particular process! I( e5 F; N. C. n
operation is executed.! s% s. ~7 v4 E2 G
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Product structure
W( [% m q8 \5 U& ^The product structure defines the as-designed product. It is created by( D$ }. m) v" R( i) K: o: j4 l
the design engineers in a CAD system such as NX® and managed by
2 r( ^7 ?# R* N; h5 s% rTeamcenter. Manufacturing Process Management allows you to take the9 m; J) P5 C4 {" Y" m
as-designed product structure, create alternative manufacturing views of
$ w+ a/ C9 T; O! N9 q, Hthe product and attach process definitions as necessary. (Optionally, the U. v7 g/ Q7 }+ f5 r3 ^, m
product structure may contain definitions of manufacturing features.)
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Operation setup
7 Z2 U- P2 K3 \5 b QThe model of an operation-specific configuration of an environment in" n& B; p! {* ~2 W. k$ t; }9 f
which processes and operations are executed. It describes how consumed0 M. d& {# h5 d' x
items, resources, and a standard work area are utilized to perform an
; N! B, O. z0 |7 I; koperation./ }) K H3 e, b ]! `" j; v
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Consumed items! d9 R/ ^/ h* B! @3 X7 R; |
Components in the product definition that are consumed by a* w4 y0 f: q3 D* k
manufacturing operation.
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8 q& v A( G6 X# [( y1 dConsumed material* e0 Q6 U a/ c ^+ c- b% {6 Y
Items that are consumed by a manufacturing operation but are not part of: e5 a5 Z7 H* M' E5 _% {% Y2 t
the product definition, for example, glue or paint.: N: H- Y! X* i
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Raw material
/ w9 ], v7 X/ w. wThe initial in-process model before any manufacturing operation is% `+ m$ d8 g" @
performed.
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In-process model
M) Y1 P: U0 M3 ?# yThe state of the product at some stage in the manufacturing process
* a8 R, P& a% }! \& W! }. Qafter an operation is executed. The raw material is the initial in-process3 U, J' Z5 z4 E/ U' S c! l$ d# K
model for the first process operation in the manufacturing process. Any8 u; S5 \+ N/ p0 h
subsequent in-process model is created by attaching a work instruction to( B8 Q' D2 S T8 w4 ^
the in-process model.: G' b, t& H8 k. n t
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Resource& a) [/ L' M$ c8 W6 @0 L/ G3 J1 }
The equipment needed for the execution of manufacturing processes, and' u* p& h8 P# |$ u$ J2 O! i5 [
may include machine tools, robots, and weld guns. A single resource can3 l+ X' Z' D4 n. s6 S
be used in several operations and processes.
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Work instructions
: y1 Z: K9 [$ F: F; M3 X* {2 bDocuments that describe how work should be performed. A work* R/ ?) c$ T8 B" h' f
instruction documents the procedure by which an operator should perform
3 E5 k7 [) |' ian activity. Instructions may be printable or accessed from a Web page.
9 q$ \0 X; l1 M5 g" G# Y: o, GManufacturing Process Management allows you to create and manage work instructions in many of the applications. You can also create' g0 w& y# m W p$ y# ^4 h3 X
templates to ensure work instructions appear in a standard format.6 t! O0 K0 k. B' @; j1 ` h
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Manufacturing feature
7 _5 g% {$ K9 O" M, _A set of entities and parameters that define generic manufacturing data.: _" _( R1 X! y) y
For example, a weld point and its normal location comprise a feature that0 n6 N, h( S- y ?
describes where two points may be welded together. All such features
3 s. o& `1 R. E/ h _9 Nshould be associated with a process.% O) c2 G! D& _6 W
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