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Manufacturing Process Management allows you to manage manufacturing6 q. X' F) ^/ J4 a
planning and execution, using information generated in the design stage.1 [* T, u0 @7 b1 t4 o
The manufacturing planning model includes several interrelated process and
$ w% C- y0 b; k/ `4 q1 @operation types, as follows:: @* _* l& Y! H
4 f+ y( V2 m' S5 a0 b( B* _Manufacturing process; m" o- r5 E. X; @! y
A set of manufacturing process operations and other manufacturing
[% k% h+ n' q! _) [processes that are closely related to each other. It is a mechanism to group
7 o% F. I# v# Aoperations into logical groups. It also maintains constraints on the order6 b" ]) T( ?, g. z4 [! H5 M
of execution between subprocesses and process operations.& _- K# u' ~0 c `) d
The process structure is the model of the complete manufacturing plan,6 b7 c. p+ d1 X/ ?: ~& C
and describes how and where the product is manufactured. It contains
- w0 v9 Z( p: G5 Vinformation about which plant structure elements are used and where.
J* j# c& A# r3 c# N7 y0 y- x* zIt establishes links between the product, plant layout, and the resources+ [4 z s0 D$ S! o% Y
necessary to produce the product.8 ?9 O% e0 ?5 C3 g8 C" g# K
Operations and resources can be shared by several processes. You can
/ M/ D3 f; ]$ H3 b; L& j0 Vdefine multiple views of a process to allow for different manufacturing
; n+ ?6 y) N( u' M& Erequirements.! O5 o5 H( A0 Y# ~) X* J$ R: V
You can also vary the generic bill of process (BOP) by defining and
t( n/ } }1 n9 z0 Z% n! O qapplying variant or revision rules.* O& ` A8 `& C& r: {9 W0 T# c6 e& g
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Process operation- S8 K4 X/ J- Z5 N* |3 E1 T% p
A process operation represents one controlled step in the process and
0 F- P9 ]7 a0 Z6 q6 H# K7 ccontains the work done in one work area; technically, it is a leaf node
# b! { T. \% y7 V( Ain the process structure. Optionally, you can break a process operation7 w# h$ `. O1 ?% ?3 ]2 J
into steps called activities. Examples of process operations include an. E1 C: T/ e' C$ e$ ]! p
NC machining operation on a single machine tool and an operation to
: k, q% x* P7 T: F# zassemble several components into a structure.
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( j/ T$ a" Y* N( D3 ^0 rOperation activities0 b$ `( V: W9 u
A breakdown of manufacturing process operations into activities, each
6 E q) L/ w( L$ V9 j4 @with an associated start time and duration. The total time of an operation
% V, O% O) k/ I) ~, X6 Z! L, Kis calculated from the start time and duration of each activity.0 _ Y) d* p0 C/ m: F
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Workstation- l& n1 Z. z4 G
A unique location within the factory to which you can assign
! Z- ^1 _1 ]+ e. c( z$ Amanufacturing operations, for example, a paint spraying booth.8 s# `& u* I/ b5 m; P
* D% M8 N( ?4 t+ U. ]Plant
) j* V5 I! P1 @& S h! c; S# t/ |A manufacturing facility in which operations and processes are executed.2 J8 p' W6 M2 ?% R i
The plant structure is hierarchical structure of work areas of the factory. I. v# p! w* X& d* G& O) y( ]0 g
in which the product is manufactured. Its definition is independent of, but$ L0 @5 N0 z- k+ D
related to, the manufacturing processes that are performed in it.
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Work area: t# I; Y9 ?2 U0 ^$ {
Any element in the plant structure such as a factory, line, section, work7 |5 I6 [ \( U9 k# r4 W3 R
cell, or station. Typically, a work area is assigned to one process operation.
6 F6 l2 ?5 u v- c/ ?5 @( |A work area is defined by a location on the shop floor and the process0 e: J u7 ^% s# O3 F" G- U
capability it provides.
6 q3 A) r/ P0 wTo group resources further, your organization may define a hierarchy of6 U7 L! R5 R2 w% W: W
work areas. For example, a plant may include a welding line, a lathe; L1 k1 _+ f! v5 X1 b
workstation, a milling workstation, and an inspection workstation. The4 R# U+ u `8 i$ k* G( B& S* O! L
welding line may contain a welding workstation and a welding work cell. U7 G- G) ?0 O) I
You configure each work area with standard equipment, and you can0 q. p, u6 q3 M( j
further configure equipment that is needed to execute a specific process
# X, k* {# k* F$ J* E% v: w/ \( @operation. The process designer tries to use as much standard equipment
' R! t! m/ R t. ^- ^3 @in the work area as possible. If additional equipment is needed, the
4 X2 q" S# J$ F( [process designer provides work instructions on how to configure the work! B: }( p9 R" g* p0 m+ N8 s
area with the additional equipment. For example, an NC machining9 k+ e/ ]3 ?" f! I% _4 r' o8 V: [" m; N8 M
center may be pre-loaded with standard tools that are commonly used on' S9 W9 u8 C/ ?
the machine. If a process operation requires tools that are not pre-loaded,
4 |: t& ~4 Z' O j4 I# _2 rthe operator loads them on the machine when the particular process& R& g; p5 i2 C, e( j1 ^
operation is executed.
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Product structure
9 y5 V1 i9 ]+ N1 Z, I+ E$ kThe product structure defines the as-designed product. It is created by; Y. K' y: L, l, {8 ?
the design engineers in a CAD system such as NX® and managed by
3 y( N& A# n9 ^4 j7 STeamcenter. Manufacturing Process Management allows you to take the
6 S4 H* b" f( `3 F! n6 ^# @; Qas-designed product structure, create alternative manufacturing views of: h; a* _7 G6 T' n
the product and attach process definitions as necessary. (Optionally, the
& o# D2 I7 {3 Jproduct structure may contain definitions of manufacturing features.)
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Operation setup3 B7 L4 G a {% E* b0 ~
The model of an operation-specific configuration of an environment in* r( i0 w* o) |0 V+ V* j; O6 J7 \
which processes and operations are executed. It describes how consumed1 m8 ~7 T; @& H4 d
items, resources, and a standard work area are utilized to perform an" c3 U& L( T, ~4 p# N; T$ d
operation.
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1 C- s, g+ B/ S/ Q# ~- Z" V2 IConsumed items
) w$ n+ N& }6 ? L% j& lComponents in the product definition that are consumed by a
5 d; s0 c# Y; [2 C- a# o; [manufacturing operation.! x8 a9 c5 q$ [ g' V, B8 y
8 b1 y+ n6 @0 n! _1 v
Consumed material
0 I3 z, T% ?$ C7 d5 l wItems that are consumed by a manufacturing operation but are not part of: t" c4 P- n- a! W8 `: ^/ G
the product definition, for example, glue or paint.. e6 w. Q. \% z0 i- y
" z. m5 u; C6 P5 g, CRaw material
- Z/ H6 @9 N5 ~- L4 kThe initial in-process model before any manufacturing operation is1 a6 L d+ I: g8 N& R" X
performed.
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In-process model
% {' t5 ^7 b) F6 P- gThe state of the product at some stage in the manufacturing process$ V# X/ s# v7 e# c
after an operation is executed. The raw material is the initial in-process
; a2 J: f5 U1 Amodel for the first process operation in the manufacturing process. Any& Y4 r/ P% V$ }" j! h
subsequent in-process model is created by attaching a work instruction to: K7 D/ h) h1 o0 [' ^
the in-process model.
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Resource
- ?" z& C7 D5 c9 FThe equipment needed for the execution of manufacturing processes, and' \4 A+ }, f8 H8 \9 k
may include machine tools, robots, and weld guns. A single resource can
, @& k& |# O, ?2 `be used in several operations and processes." J6 I N# | ~! e' d5 H
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Work instructions; n+ B# e2 u: s9 K. }
Documents that describe how work should be performed. A work/ y+ ~2 n9 C7 e/ N* u5 E4 o
instruction documents the procedure by which an operator should perform
' K7 c" c7 k7 ]1 }an activity. Instructions may be printable or accessed from a Web page.6 _7 z" x$ V. U
Manufacturing Process Management allows you to create and manage work instructions in many of the applications. You can also create& ^3 L& f; ~- k; Y7 J+ C
templates to ensure work instructions appear in a standard format.4 j* k7 R% f! y# b5 {$ I: N
2 j+ t5 D9 q2 t, ^/ |: x1 RManufacturing feature
) h1 i9 p8 c& {- |# F) d; _A set of entities and parameters that define generic manufacturing data.% R0 k9 }* i, H/ i
For example, a weld point and its normal location comprise a feature that7 D( p+ Y/ C d, T- C0 ?& b
describes where two points may be welded together. All such features
: U# x9 z+ E9 r( }* {( Lshould be associated with a process.
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