Proposal of a Data Processing Guideline for Realizing Automatic Measurement Process with General Geometrical Tolerances and Contactless Laser Scanning
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Proposal of a data processing guideline for realizing automatic measurement process with general geometrical tolerances and contactless laser scanning 2018/4/4 Atsuto Soma Hiromasa Suzuki Toshiaki Takahashi Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 1 Contents • Introduction of the Project • Problem Statements • Proposed Solution – Proposal of New General Geometric Tolerance (GGT) – Data Processing Guidelines for point cloud • Next Steps Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 2 Contents • Introduction of the Project • Problem Statements • Proposed Solution – Proposal of New General Geometric Tolerance (GGT) – Data Processing Guidelines for Point Cloud • Next Steps Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 3 Introduction of JEITA What is JEITA? The objective of the Japan Electronics and Information Technology Industries Association (JEITA) is to promote healthy manufacturing, international trade and consumption of electronics products and components in order to contribute to the overall development of the electronics and information technology (IT) industries, and thereby to promote further Japan's economic development and cultural prosperity. JEITA’s Policy and Strategy Board > Number of full members: 279> Number of associate members: 117(as of May 13, 2014) - Director companies and chair/subchair companies - Policy director companies (alphabetical) Fujitsu Limited (chairman Masami Yamamoto) Asahi Glass Co., Ltd. Nichicon Corporation Sharp Corporation Azbil Corporation IBM Japan, Ltd. Hitachi, Ltd. Advantest Corporation Nippon Chemi-Con Corporation Panasonic Corporation Ikegami Tsushinki Co., Ltd. Japan Aviation Electronics Industry, Ltd. SMK Corporation Mitsubishi Electric Corporation Nihon Kohden Corporation Omron Corporation NEC Corporation JRC Nihon Musen Kyocera Corporation Sony Corporation Hitachi Metals, Ltd KOA Corporation Fuji Xerox Co., Ltd. Toshiba Corporation Shimadzu Corporation Fuji Electric Co., Ltd. Yokogawa Electric Corporation Soshin Electric Co.,Ltd. Hokuriku Electric Industry Co., Ltd. Murata Manufacturing Co., Ltd. Taiyo Yuden Co., Ltd. Hosiden Corporation - (alphabetical) Policy executive companies Tabuchi Electric Co., Ltd. Maspro Denkoh Corp. Alps Electric Co., Ltd. Tamura Corporation Mitsumi Electric Co., Ltd. Oki Electric Industry Co., Ltd. Teac Corporation Ricoh Company, Ltd. Canon Inc. Teikoku Tsushin Kogyo Co., Ltd. Rohm Co., Ltd. JVC Kenwood Corporation TOA Corporation D&M Holdings Inc. Seiko Epson Co. DX Antenna Co., Ltd. TDK Corporation Denso Corporation Pioneer Corporation Toko, Inc. Renesas Electronics Corporation Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 4 Introduction of 3D ISTEC 3D CAD Information Standardization Technical Committee (3D ISTEC) was founded in 2007. We aim to establish industrial standards that help to leverage 3D CAD data effectively throughout whole processes of product development. Participating companies As of May 2016: 20 full member companies, 12 associate member companies (Associate members) - Elysium Co., Ltd - Japan Radio Co., Ltd. - Argo Graphics Inc. - Omron Corporation - Panasonic Corporation - Ntt Data Engineering Systems Corporation - Siemens Industry Software K.K. - Canon Inc. - Hitachi, Ltd. - Zuken Inc. - Konica Minolta, Inc. - Fuji Xerox Co., Ltd. - SOLIZE Corporation - Solidworks Japan K.K. - Shimadzu Corporation - Fuji Electric Co., Ltd. - Dassault Systemes K.K. - Seiko Epson Co. - Fujitsu Corporation - Information Systems International - Dentsu, Ltd. - Sony Corporation - Brother Industries, Ltd. - Japan Aviation Electronics Industry, Ltd. - Toshiba Corporation - Horiba, Ltd. - Nihon Unisys, Ltd. - Ptc Japan Co., Ltd. - Nabtesco Corporation - Yamaha Corporation - Planar - Nikon Corporation - NEC Corporation Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. Our team • Prof. Suzuki (University of Tokyo 3D CAD/CG) • Prof. Kanada (ISO TC213/TC10 representative of Japan) • IT vendor (CAD, converter, CAT) • Researcher and vendor of measurement machine • Users (Electric – JEITA -, automotive, die) Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. Contents • Introduction of JEITA 3D ISTEC • Problem Statements • Proposed Solution – Proposal of New General Geometric Tolerance (GGT) – Data Processing Guidelines for Point Cloud • Next Steps Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 7 Evolution of Product Data Representation Past/today : 3D+2D drawing Today: 3D drawing Future : 3DA Model <3DA Model> <3D drawings> +< 2D drawing> Represented by standardized Visualized data model Human interpretable < 3D CAD > Software interpretable Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 8 Current Issues Manufacturing requirements as Product Design attributes/annotations Detailed modelling Initial Design (Tolerance, taper, Fillet R, emboss etc.) (taper, fillet, etc.) Parting line 3D is not master data Ambiguous specification Mold Design by dimensional tolerance High communication cost by ambiguous data Semantic PMI is not translated to CAT No directTest feed back Measurement Data not standardized from CAT to MCAD Few standardsManufacture of contactless Measurement measurement • Measurement methodology • Data processing Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 9 Our Challenge Manufacturing requirements as Product Design attributes/annotations ConversionDetailed modelling of Machine Initial Design (Tolerance, taper, Fillet R, emboss etc.) readable (taper,information fillet, etc.) to realize Parting line • Based on 3D Annotated model with automation by software Geometric tolerance • General Geometric Tolerance (GGT) Mold Design is indispensable for effectivity • Propose standardized attributes for Manufacturing requirements • Leverage data model above to realize automated process basedTest on 3D Annotated Model • Feed back deviation to designer with 3D data • Best practiceManufacture for Contactless Measurementmeasurement • Standardize input/output format around measurement Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 10 Our Goal : Automated Measurement Process “General Tolerance” and “Contactless Measurement” as challenges [1] Geometric tolerance with “General Tolerance” will result in minimum number of annotation. So modeling efforts will be reduced with keeping unambiguous interpretation of shape and tolerance zone. [2] CMM and contactless measurement are complementary. • CMM : High accuracy to assure quality • Contactless : Little human resource and lead-time. Relevant to 3D Geometry Development Production Product design Die design Manufacture Quality Inspection CMM Effective design 《Quality Assurance》 Mass PM3 Taper, PM5 Product Front loading o Fillet Etc. Mass production Prototype Change Request Change Request Change Request [Aim] ① Front loading of Contactless Measurement problem solving MBD (Geom Tol Early problem solving With GGT) Early feed-back Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 11 Contents • Introduction of JEITA 3D ISTEC • Problem Statements • Proposed Solution – Proposal of New General Geometric Tolerance (GGT) – Data Processing Guidelines for Point Cloud • Next Steps Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 12 Ideal PMI with Geometric Tolerance BAD : Too many specifications same as 2D drawing Missing as international standard GOAL : • Specification only for features with special care • Clear definition of general geometric tolerance • Rest of the part that can be manufactured by usual process Copyright (c)2014, Japan Electronics and Information Technology Industries Association, All rights reserved. 13 New General Geometric Tolerance Overview of the New GGT • JEITA has proposed a new rule on GGT where : if a datum system of 3 planes is defined, <1> tolerance zone for all of the features in the part are defined by using profile any surface (and position)<2> (Same principle as ISO 22081/CD being discussed in TC213 WG18) < 3DA Model > < Interpretation (Third angle projection method)> Z 0.6A B C JEITA 0.6A B C Y <2> Y L=70(X60,Y70,Z26) <1> L=70(X15,Y70,Z26) 3D 0.6A B C 0.6A B C L=100(X100,Y70,Z26) <2> L=52(X36,Y52,Z26) 0.6A B C 0.6A B C C 0.6 <1> L=52(X14,Y52,Z26) L=52(X36,Y52,Z26) 0.6A B C L=100(X100,Y70,Z26) L=100(X100,Y70,Z0) 0.6A B C 0.6A B C L=40(X36,Y40,Z26) L=100(X100,Y50,Z26) φ0.6 A B C A Y 0.6 A B L=55(X55,Y20,Z26) L=55(X0,Y55,Z26) X X Z 0.4 0.6A <2> L=20(φ20) B L=100(X100,Y0,Z26) 公差TOLERANCING方式 TOLE RPRINCIPLEANCING PRINCIPLE 普通公差 GENERAL TOLERANCES <2> GENERAL TOLERANCES 公TOLERANCING差方式 TOL EPRINCIPLERANCING PRINCIPLE 普GENERAL通公差 TOLERANCESGENERAL TOLERANCES JJISIS B B–24/ISO0024 8015/ ISO 8015 JJEITAEITA ETE-T5102-51 GGTG02 GG 2TG 2 JISJI BS –24/ISOB 002 48015/ ISO 8015 JEITAJEIT ETA -5102ET- 5GGTG102 2 GGTG 2 <1> 材質MATERIALMATERIAL 名称TITLETITLE 材質MATERIALMATERIAL 名称TITLETITLE **** サンSAMPLEプル1 1 SAMPLE 1 *** ******* サSAMPLEンプル1 1 SAMPLE 1 部品ITEM番 号NO. ITEM NO. ITEM NO. A B C