step-nc norma iso 14649 - ufscgrima.ufsc.br/cnc/transparencias/aula6_cnc_transparenci... ·...
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![Page 1: STEP-NC Norma ISO 14649 - UFSCgrima.ufsc.br/cnc/transparencias/Aula6_CNC_Transparenci... · 2014-05-07 · step-nc – norma iso 14649 n05 g54 n10 g00 z10.000 n15 g91 g0 z200 n20](https://reader034.vdocuments.pub/reader034/viewer/2022042106/5e84afefb2fdcb31fd5c4029/html5/thumbnails/1.jpg)
STEP-NC – Norma ISO 14649
• Controle direto de máquinas CNC a partir de dados 3D.
• Especificação STEP-NC: torneamento, fresamento, eletro-
erosão, retificação.
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STEP-NC – Norma ISO 14649
%
N05 G54
N10 G00 Z10.000
N15 G91 G0 Z200
N20 T5 D1 WW
N30 G90 M5
N35 G00 X0.000 Y-150.000
N40 G00 Z5.000
N45 M08
N50 S3183.000
N55 M03
N60 F1477.000
N65 G00 X60.000 Y-150.000
N70 G00 Z5.000
N75 G00 X60.000 Y-150.000
N80 G01 Z-0.500
...
Código específico
para a máquina, com
dados dos eixos
gerados por um pós-
processador
Extensões específicas
de fornecedores do
equipamento
Somente comandos
primitivos de movimento
e liga/desliga
Não há formato de
dados padronizados
para processameno
de splines e
tecnologia sofisticada
de comando numérico Cortesia WZL RWTH Aachen
STEP-NC substitui o código G com
um formato de dados rico e
integrado
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STEP-NC – Norma ISO 14649
Máquina na Boeing usinando três peças ao mesmo
tempo em uma fresadora pórtico de 5 eixos
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STEP-NC – Norma ISO 14649
;T_9077451_105_MPF
MSG ("114W5414-2 1MF-05 T-9077451 03/18/02 11.23 STATUS=SOLD ")
N2G17G70G40
N38T2
N40G0X-12.Y-3.585
N42Z12.175
N46Z10.305
N48G1G94Z10.205F150.
N50Y-1.835
N52X5.F120.
N106Y-.4683F150.
N174G0X-23.5Y-15.5A0.C0.
N10650G74C0.0
N10656M2
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STEP-NC – Norma ISO 14649
Siemens Tool Vector Command
N2018X0.544953Y-0.321863Z-3.571175A3=0.222852B3=-0.131622C3=0.965926
N2019X0.562371Y-0.290360Z-3.571175A3=0.229975B3=-0.118739C3=0.965926
N2020X0.581568Y-0.249698A3=0.237825B3=-0.102111C3=0.965926
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STEP-NC – Norma ISO 14649
Fanuc Tool Vector Command
N5749X-0.6240Y0.3167Z-3.3217I-23.0797J11.7132
N5750X-0.6441Y0.2734Z-3.3217I-23.8246J10.1125
N5751X-0.6581Y0.2379Z-3.3217I-24.3401J8.7995
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STEP-NC – Norma ISO 14649
Inúmeros dialetos de código G
Difícil transferir dados para os CNCs
Difícil obter dados dos sistemas CAM
O padrão de dados não permaneceu adequado ao
avanço da tecnologia
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STEP-NC – Norma ISO 14649
Disponibiliza estrutura de dados de alto nível:
– Splines
– Vetores de ferramentas
Capabilidades de máquinas-ferramenta:
– Controle adaptativo
– Múltiplos fusos
– Múltiplas e simultâneas trajetórias de ferramentas
– Aplicação em materiais não-convencionais.
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STEP-NC – Norma ISO 14649
Foi desenvolvido a partir do padrão STEP, que contém um
conjunto de padrões:
Totalmente definido;
Informações de baixo e alto nível do processo;
Informações sobre a peça:
– Tolerâncias
– Cotas
– Geometria
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STEP-NC – Norma ISO 14649
tolerances
tools
geometry
color
material
fixtures
features
BOM
toolpaths
AP219
AP238
AP240
AP214
annotations
AP232 AP203
CAM and
NC control
Process
Planning
CAD Definition
Automotive
Inspection
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STEP-NC – Norma ISO 14649
Peça, ferramenta, matéria-prima, dispositivo de
fixação, e informações sobre o processo coexistem
no CNC
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STEP-NC – Norma ISO 14649
Um padrão claramente definido
Diferenciação do produto:
– Transferência de informações de alto nível do
processo
– Transferência de informações da peça, incluindo a
geometria
– Suporte direto para capacidades avançadas de CNC
– Integração com a qualidade, status e desempenho do
equipamento.
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STEP-NC – Norma ISO 14649
workpiece
machining_feature
S[0:?]
pocket plane region hole
1 S[0:?]
machining_operation
workplan
machining_workingstep
L[0:?]
plane_milling side_milling drilling
1
tool
technology
strategy
L[0:?]
cutter_contact_trajectory parameterised_path cutter_location_trajectory
1
toolpath
geometry
geometry
geometry
Cortesia WZL RWTH Aachen
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STEP-NC – Norma ISO 14649
Cortesia WZL RWTH Aachen
CAMsystem
Shopfloorprogramming
PlanningDepartment
Shopfloor
New data model and interface (ISO 14649)
Post-processor
ConventionalNC controller
CAD workpiece data
New, IntelligentNC controller
Intelligentfunctions
e.g. automatic
- path generation
- tool selection
- technology support
- retract strategies
- machine limits
Design
ModernNC controller
STEP-NC permite o controle direto de máquinas CNC a
partir de dados 3D
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
CAM
AP 238 File
Machine(s)
F
Machine(s)
E Machine(s)
A
Machine(s)
B
Machine(s)
D Machine(s)
C
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STEP-NC – Norma ISO 14649
CAD
System 1 STEP Interface
STEP Interface
Supplier A STEP Interface
Supplier B STEP Interface
Supplier C STEP Interface
Supplier D
“Super Model” = STEP +++ database on the Internet
CAD
System 2 STEP Interface
CAD
System 3 STEP Interface
CAD
System 4 STEP Interface
CAM CAPP NC Milling NC Turning
Ford GM Boeing Lockheed
STEP Interface
Supplier 1 STEP Interface
Supplier 2 STEP Interface
Supplier 3 STEP Interface
Supplier 4
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STEP-NC – Norma ISO 14649
Bridgeport
Controller
FBMACH
EASYMILL Virtual
Gibbs
CAD
Planejamento do Processo
Bridgeport
Controller
Work Plan Database STEP-NC
Tool Path
Generation
Milling
Machine
AP-203
STEP-NC AIM
XML ISO 14649-11 Work plan
CADKEY
STEP-NC AIM
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
AP224e3: Feature-
Based Process
Planning
AP214: Core data for
automotive mechanical
design processes
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
Lista de símbolos da linguagem gráfica EXPRESS-G
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
Função
no
Projeto
Manufatura
Captura
do
Processo
AP-203
AP-214
AP-224
AP-213, PSL
ISO 14649
ISO 13399
Controlador
Inteligente STEP-NC
Database Inte
rface
Inte
ligente
.
“Super Modelo”
STEP Tools, Inc.
ISO 13399: Cutting tool
data representation and
exchange http://www.mel.nist.gov/psl/
AP 213: Numerical Control
Process Plans for Machined
Parts
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STEP-NC – Norma ISO 14649
– GE Fanuc
– CNC Data (MASTERCAM)
– CADKEY
– Alibre
– Boeing
– General Electric
– General Motors
– Gibbs and Associates
– Hurco Companies Inc.
– Lockheed Martin
– IBM
– Monarch Machine Tools
– NASA (GSFC)
– NASA (JPL)
– NCMS
– Unigraphics Solutions
– NIST Intelligent Systems
– Lawrence Livermore
– Chrysler
– Watervliet Arsenal (Benet)
– General Dynamics
– The Design Edge
– RMC Associates
– Fala Technologies
– Cambridge Valley Maching
– Allied Signal
– Bridgeport Controls
– Liberty Consulting
– RPI
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
With STEP Saving
Max Min Average
Time to make a process plan 100 4 16 12 25%
Time to replan a process plan 20 1 4 3 25%
Number of iterations 3 2 33%
Total Hours 28 18 36%
Number of plans per Year 1000 1000
Burdened cost per hour $50 $50
Total Cost $1,400,000 $900,000 36%
Without STEP
O fornecedor cria o processo a partir de um
modelo 3D em vez de desenhos em papel
Medido pela empresa Lockheed Martin
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STEP-NC – Norma ISO 14649
Não haverá mais necessidade de pós-
processadores:
– Cada ferramenta lê as mesmas instruções
Novo mercado para software CAM:
– Cada controlador necessita gerar a trajetória da
ferramenta
CAD/CAPP mais eficiente:
– Planejamento do processo mais eficaz e rápido
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STEP-NC – Norma ISO 14649
Manufatura mais integrada:
– Cada workplan inclui a geometria nominal da peça
Máquinas-ferramenta mais rápidas, seguras
e inteligentes:
– Verificam o setup;
– Otimização dinâmica.
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STEP-NC – Norma ISO 14649
Arquitetura do sistema desenvolvido na UnB
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STEP-NC – Norma ISO 14649
Criação de uma feature no software Step-Modeler
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STEP-NC – Norma ISO 14649
Workingsteps de furos diferentes
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STEP-NC – Norma ISO 14649
Workingstep de ranhuras diferentes
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STEP-NC – Norma ISO 14649
Workingstep de uma cavidade retangular
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649
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STEP-NC – Norma ISO 14649