PRODUCT DESIGN. Project Design 22/02/2010. The Four C s of Design PRODUCT DESIGN 3. Product Design & Process Planning. Need Identification

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Project Design 1 PRODUCT DESIGN 3 2 Product Design & Process Planning Need Identification Operation Design 3 4 The Four C s of Design PRODUCT DESIGN Desain Produk : Dwi Purnomo www. agroindustry.

1 Project Design 1 PRODUCT DESIGN 3 2 Product Design & Process Planning Need Identification Operation Design 3 4 The Four C s of Design PRODUCT DESIGN Desain Produk : Dwi Purnomo www. agroindustry.wordpress.com Creativity Requires creation of something new Complexity Requires decision on many Variables and Parameters Choice Requires making choices between many possible solution Compromise Requires balancing multiple conflicting requirements 1

5 Types of Design Project 6 Morphology of Design Variation of Existing Product Improvement of Existing Product Development of New Product One-of-a-Kind Design 1. Conceptual Design 2.

2 5 Types of Design Project 6 Morphology of Design Variation of Existing Product Improvement of Existing Product Development of New Product One-of-a-Kind Design 1. Conceptual Design 2. Embodiment Design 3. Detail Design 4. Planning For Manufacture 5. Planning For Distribution 6. Planning for Use 7. Planning for Retirement of the Product 7 Product Design Process Conceptual Design 8 Identifying Customer Needs Problem Definition -Problem Statement -Benchmarking -QFD -PDS -Project Planning Gather Information -Internet -Patent -Trade -Literature Embodiment Design Concept Generation - Brainstorming - Functional Decomposition -Morphological Chart Evaluation of Concept - -Pugh Concept Selection -Decision Matrices Gathering Information From Customers Interview, Focus Group, Customer Survey, and Customer Complaint Constructing Survey Instrument Evaluating Customer Needs Product Architecture - Arrangement of Physical Elements to Carry out Function Configuration Design -Prelim. Selection Materials and Manufacturing -Modeling/sizing of part Parametric Design -Robust Design -Tolerances -Final Dimension -DFM Detail Design - Detail Drawing s and Specifications 2

9 Dimension of Quality for Manufactured Product Performance Features Reliability Durability Serviceability Conformance Aesthetics Perceived Quality 10 Customer Requirements Expected There are basic

3 9 Dimension of Quality for Manufactured Product Performance Features Reliability Durability Serviceability Conformance Aesthetics Perceived Quality 10 Customer Requirements Expected There are basic attributes that one would expect to see in the product Spoken There are specific features that customer defines the product in terms of these attributes that one would expect to see in the product 11 Customer Requirements Unspoken These Are Specific Features That Customers Say They Want in the Product. Exciters These Are Product Features That Make the Product Unique and Distinguish It From the Competition 12 Quality Function Deployment A Planning and Problem Solving Tool for Translating Customer Requirements Into the Engineering Characteristics of Product ( Engineering Parameters) 3

4 13 1 Customer Req ment What? 5 Correlation Matrix 4 Engineering Characteristic 6 Relationship Matrix 2 Competitive Assessment 3 Importance Rating 14 Conceptual Design Process by which the design is initiated, carried to the point of creating a number of possible solution, and narrowed down to a single best concept 7. Absolute Importance 8. Relative Importance 9. Technical Competitive Assessment 10. Technical Difficulty 11. Target Value 15 Product Design Specification 16 Process Planning A Document Which Contains All of the Facts Related to the Outcome of the Product Development Planning of production processes based on the product design starting from raw In Use Purpose and Market material in to finish good Functional Requirements Corporate Constraint Social, Political, and Legal Requirements 4

5 17 Operation Process Chart 18 Operation Process Chart Plywood Pipe Chart describe the operation making process from the beginning ( material input) to the finish (finished good) ASME symbol: Operation Inspection Operation and Inspection Storage Flow Cutting Circular Saw Polishing Grinding Painting Sprayer 7 Make Screw Drilling I I-1 Cutting Circular Saw Forming Press Make Screw Drilling Assembly & Inspection Mannual 19 PERANCANGAN SISTEM 20 Analisis Permintaan OPERATION SYSTEM DESIGN Perancangan Produk Dan Proses Penentuan Kapasitas Penentuan Lokasi Perancangan Lay Out 5

21 Analisis Permintaan 22 Sumber Peluang Analisis Peluang Pasar The Unexpected The Incongruity Proyeksi Demand Potential (Do) Process Need Change Market Share ( S ) Struktur Industri dan struktur

6 21 Analisis Permintaan 22 Sumber Peluang Analisis Peluang Pasar The Unexpected The Incongruity Proyeksi Demand Potential (Do) Process Need Change Market Share ( S ) Struktur Industri dan struktur pasar Demografi Persepsi, mood dan makna Proyeksi Demand Effektif (De ) De = S.Do New Knowledge 23 Prinsip Inovasi 24 Persyaratan Dimulai Dengan Analisis Peluang Berorientasi Pada Pasar Bersifat Konseptual Dan Perseptual Bekerja Hanya Pada Satu Bidang Saja Sederhana Dan Terpusat Membangun Berdasarkan Kekuatan Sendiri Mulai Dengan Yang Kecil Ditujukan Untuk Menjadi Leader 6

7 25 Demand Potential Totalitas permintaan produk/jasa tanpa memperhatikan siapa yang akan memasok Market Size 26 Metoda Proyeksi Market Research Kwalitatif Kwantitatif Time Series Causal Demand Effective Demand Effective 27 Jumlah permintaan produk/jasa yang diminta konsumen yang dapat diraih oleh pemasok tertentu 28 Do Merupakan bagian dari demand potential De 10 7

8 Analisis Market Share Pengertian Kapasitas 29 Analisis Persaingan 30 Kapasitas Adalah Kemampuan Maksimum Dari Suatu Fasilitas Persatuan Waktu 5 Forces ( Porter ) Substitute Supplier Buyer New Entrance Competitor Design(Co) Effektif(Ce) Aktual(Ca) ( Designer ) ( Planner ) ( Executor) Keterkaitan Antar Kapasitas Langkah Perhitungan Co Demand Effective Co Ce Kapasitas Effektif Strategi Kapasitas Loses (L) Effisiensi (E) Ca Kapasitas Design CCR ( R ) 8

9 Kapasitas Effektif Strategi Kapasitas Policy A : Capacity leads demand Ce = De/(1-L) Units Capacity Demands Dimana L: loses karena - Kerusakan di gudang - Kerusakan transportasi - Waranty - Sales program Time Policy B : Capacity in approximate with demand Capacity Units Demands Time Policy C : Capacity legs demand Units Demands Time Capacity Capacity Cushion Ratio Strategi Kapasitas R = ( Cx Cs )/Cx Dimana: R : Capacity Cushion Ratio Cx : Marginal Profit Cs : Marginal Production Lead Demand R > 0.5 Lag Demand R < 0.5 Equal Demand R = 0.5 9

10 Kapasitas Design 37 Dimana E : Effisiensi Pabrik Co = Ce/E 10

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