|
|
请使用QQ关联注册PLM之家,学习更多关于内容,更多精彩原创视频供你学习!
您需要 登录 才可以下载或查看,没有账号?注册
x
Manufacturing Process Management allows you to manage manufacturing, ]: r$ V- A+ j) z
planning and execution, using information generated in the design stage.
" O/ ]0 Y5 F4 N u, x! h+ _$ f1 Q1 mThe manufacturing planning model includes several interrelated process and
# y; l0 W& c4 w3 L+ Zoperation types, as follows:' `4 e' c" e" I; M% x: u
" S) T6 e! u0 h1 p' LManufacturing process) q7 v5 l% {( k- ]" H" f% D
A set of manufacturing process operations and other manufacturing% s0 t ` N% w: V7 K% {
processes that are closely related to each other. It is a mechanism to group/ k9 Z3 Z, C( h/ m5 A
operations into logical groups. It also maintains constraints on the order; H* w9 r! z$ K! \9 \
of execution between subprocesses and process operations." Q& i' ^ Z) V- Z+ h8 s: k
The process structure is the model of the complete manufacturing plan,4 t& X$ r/ {/ [+ h& w c; @: B
and describes how and where the product is manufactured. It contains( F$ n" A$ v2 Z3 C
information about which plant structure elements are used and where.0 R. d1 J( e3 x3 f
It establishes links between the product, plant layout, and the resources& t. E; D8 S" t$ w
necessary to produce the product.9 k8 m/ h$ A4 m, s
Operations and resources can be shared by several processes. You can3 y0 f5 b, K' [$ {9 ]
define multiple views of a process to allow for different manufacturing/ R; ^( K( w" N" f- P0 R. f
requirements.
( V: _0 t3 I BYou can also vary the generic bill of process (BOP) by defining and2 G( f. v8 T9 ^
applying variant or revision rules.
4 c2 M7 ~/ x9 j. j
& {. t y0 O- UProcess operation V, b1 u; A7 U: u
A process operation represents one controlled step in the process and' X3 {+ }, s7 Y+ K( H4 W+ D5 E' u: y
contains the work done in one work area; technically, it is a leaf node* O' U& K% J6 K2 h
in the process structure. Optionally, you can break a process operation c) n9 r$ y( z7 K- J/ r: d' }
into steps called activities. Examples of process operations include an2 g2 ~, v* W! Q
NC machining operation on a single machine tool and an operation to: ~' m9 X8 j5 y- D: ~% }
assemble several components into a structure.
/ j* a; h+ E. \# e/ r! C3 k: U% Q% N2 ~) c Z( m
Operation activities
1 e3 u: ]% v; ^- sA breakdown of manufacturing process operations into activities, each) v; {4 N: y' u6 Q7 r4 {6 e
with an associated start time and duration. The total time of an operation
' J) G0 }4 k4 g+ K% |7 jis calculated from the start time and duration of each activity.6 G0 F7 ^0 x2 o r0 `
0 @: S/ d, O" {, w8 } a; J" n
Workstation7 D$ Y8 v7 y! F, C
A unique location within the factory to which you can assign% e! `9 I. ]% D2 `# S! |
manufacturing operations, for example, a paint spraying booth.
9 G$ w5 ~2 a( B" F7 }# s
( G; E- Y! y' Z) ^) tPlant* J* k, a% U/ u5 d o3 u" _8 W2 V
A manufacturing facility in which operations and processes are executed.8 F: }- O. ^6 y0 o) h1 |
The plant structure is hierarchical structure of work areas of the factory
+ q- a8 n9 k2 W( o2 r6 kin which the product is manufactured. Its definition is independent of, but
$ _: s& z( G5 X0 H, j+ Q2 A' Arelated to, the manufacturing processes that are performed in it.
- }, O: @; W# Q0 [$ _& w
: q# F9 y H1 K* G5 H: c- M0 S
8 G6 y( B) C$ Z$ iWork area2 ~4 Z9 l, h: z v
Any element in the plant structure such as a factory, line, section, work
8 R1 G: l8 {( h5 a$ G2 kcell, or station. Typically, a work area is assigned to one process operation.! x- f8 {1 d; e& _" V
A work area is defined by a location on the shop floor and the process1 v. ?/ v z6 j
capability it provides.
+ a3 J8 C* D' X( f3 F- pTo group resources further, your organization may define a hierarchy of# e/ Y4 C/ b1 u$ C- C. i
work areas. For example, a plant may include a welding line, a lathe
9 U! \$ P4 q& ?0 q2 G" s0 t. lworkstation, a milling workstation, and an inspection workstation. The5 ?9 Q' O, F/ @4 F( K$ J
welding line may contain a welding workstation and a welding work cell.
1 H6 \7 L5 v+ ^5 @9 \0 P, T. `# pYou configure each work area with standard equipment, and you can& K7 W; `4 t# h2 W9 L
further configure equipment that is needed to execute a specific process
2 Q7 [& F7 G0 H# P4 j& Yoperation. The process designer tries to use as much standard equipment
: X+ B+ _. B$ v$ W( Vin the work area as possible. If additional equipment is needed, the) G6 i* B; Y0 S4 |/ q8 v3 e( g
process designer provides work instructions on how to configure the work$ z8 e4 H! n( w. O$ L$ |
area with the additional equipment. For example, an NC machining' O- N# |& E4 k! {9 t: M4 Y7 R
center may be pre-loaded with standard tools that are commonly used on
! b; @% b1 ^" [3 I* o, ^% u0 Sthe machine. If a process operation requires tools that are not pre-loaded,
. O; C; W/ y3 H4 K) d' vthe operator loads them on the machine when the particular process$ z1 \! E- {) ]5 ^2 x
operation is executed.
& i* U0 i6 F3 ^4 K6 V5 Y$ w5 q4 a3 M
) o4 F5 y: H l) dProduct structure
1 ]( _$ I4 P6 H. q' N$ XThe product structure defines the as-designed product. It is created by
8 f$ i& s, S) D% V" O: Rthe design engineers in a CAD system such as NX® and managed by
& B* ^# {7 |5 d" jTeamcenter. Manufacturing Process Management allows you to take the
- [% h" Y, Q# E) z" m7 Sas-designed product structure, create alternative manufacturing views of
6 x% v" L# m: j" Hthe product and attach process definitions as necessary. (Optionally, the' t* ~5 P% c" n" d, e
product structure may contain definitions of manufacturing features.)& q! `* p, g& |6 |
6 Y1 ?) a3 t6 X8 [3 ~) @6 @
Operation setup
, B- m1 Y+ K2 {7 |The model of an operation-specific configuration of an environment in
3 o1 c2 I8 c) o9 x5 @which processes and operations are executed. It describes how consumed
5 Q1 U) d( X# q. l7 pitems, resources, and a standard work area are utilized to perform an
1 {, o$ ^+ h5 w" g1 O; t1 g7 N, |: Koperation.+ p7 H$ D% k- J$ {- \ R; g6 W
" w* H; q6 F8 @Consumed items
; {" [: b) w1 sComponents in the product definition that are consumed by a
' M! k8 y0 {6 O+ F1 A. D1 }) M; {manufacturing operation.* ?, Z3 H! j9 ]3 _9 K
# O7 ]( [* E- a
Consumed material4 V2 p9 l2 b0 Z& `" x, w. r
Items that are consumed by a manufacturing operation but are not part of
; D: i. `' Y8 Q1 i' p2 dthe product definition, for example, glue or paint.
, ]3 G, x8 w# B5 u7 H! ~7 y7 |
7 @& e! |* m6 r8 K2 [+ \Raw material
3 S$ ^2 w: n! Q$ w' @6 u; n. GThe initial in-process model before any manufacturing operation is
5 E1 x9 c5 p& _9 M2 Fperformed. u3 d1 K8 l+ e7 F" V' J6 d# F
/ L0 a- M( b8 N" uIn-process model9 g$ c. ]/ O. Y2 E/ }
The state of the product at some stage in the manufacturing process9 a9 b/ o$ j6 ?" z6 Q
after an operation is executed. The raw material is the initial in-process
0 W5 b+ k0 Y! y' h6 `. E4 wmodel for the first process operation in the manufacturing process. Any; q4 A4 Q7 s H5 [
subsequent in-process model is created by attaching a work instruction to
; c! r% {- ]) x# f" P* H8 uthe in-process model.
$ j1 ^( b/ {9 @1 {: g' c3 ?% w( ^$ T$ P+ U% I7 q t% I
Resource1 f0 R* x8 i( G
The equipment needed for the execution of manufacturing processes, and# d) x; ~/ V2 Y2 x: _ Z
may include machine tools, robots, and weld guns. A single resource can& O7 L5 h& M* e. g6 z
be used in several operations and processes.
5 E# n- ]8 \, d* y" i1 w; Q
; B3 A( X+ _1 g6 T i. UWork instructions
1 Y. ?5 K& e5 u: V4 m2 |+ }Documents that describe how work should be performed. A work
0 L8 s1 a: `) p' z9 \# Pinstruction documents the procedure by which an operator should perform3 D" g: Z! \6 b! t8 b0 {6 {
an activity. Instructions may be printable or accessed from a Web page.
3 y3 r3 h0 n! H1 Q, _Manufacturing Process Management allows you to create and manage work instructions in many of the applications. You can also create4 l% y+ G+ m( _2 V
templates to ensure work instructions appear in a standard format.
# R8 x- g6 I5 \% {5 _0 d% G* G$ o% h$ n0 M
Manufacturing feature5 |; n: t6 m; k+ `6 Y! F+ [
A set of entities and parameters that define generic manufacturing data.
; H \5 g5 c* c. U8 uFor example, a weld point and its normal location comprise a feature that
! v2 q# ~' K3 w, V) i! C2 ^describes where two points may be welded together. All such features2 c4 x9 w9 ^! I' e% A A: [. ?! [
should be associated with a process.5 M( c. t8 e* k, ]2 _3 f
! F! H" [# T) i& Z( h2 P0 x/ \
|
|