Project Design
Product Design & Process Planning
Need Identification
Operation Design
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PERANCANGAN PROYEK DWI PURNOMO,MT
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PRODUCT DESIGN
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The Four C’s of Design
Creativity Requires creation of something new Complexity Requires decision on many Variables and Parameters Choice Requires making choices between many possib solution Compromise Requires balancing multiple conflicting requirements
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Types of Design Project
Variation of Existing Product Improvement of Existing Product Development of New Product One-of-a-Kind Design
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Morphology of 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
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Product Design Process Conceptual Design
Problem Definition -Problem Statement -Benchmarking -QFD -PDS -Project Planning
Gather Information
Concept Generation
-Internet -Patent -Trade -Literature
- Brainstorming - Functional Decomposition -Morphological Chart
Evaluation of Concept -Pugh Concept Selection -Decision Matrices
Embodiment Design
Product Architecture
Configuration Design
- Arrangement of Physical Elements to Carry out Function
-Prelim. Selection Materials and Manufacturing -Modeling/sizing of part
Parametric Design
Detail Design
-Robust Design -Tolerances -Final Dimension -DFM
- Detail Drawing s and Specifications
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Identifying Customer Needs
Gathering Information From Customers
Interview, Focus Group, Customer Survey, and Customer Complaint
Constructing Survey Instrument Evaluating Customer Needs
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Dimension of Quality for Manufactured Product Performance Features Reliability Durability Serviceability Conformance Aesthetics Perceived Quality
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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 dwipurnomo
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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 dwipurnomo
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Quality Function Deployment
A Planning and Problem Solving Tool for Translating Customer Requirements Into the Engineering Characteristics of Product ( Engineering Parameters)
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5 Correlation Matrix
4 Engineering Characteristic 1 Customer Req’ment
6 Relationship Matrix
“What?”
2 Competitive Assessment
3 Importance Rating
7. Absolute Importance 8. Relative Importance 9. Technical Competitive Assessment 10. Technical Difficulty 11. Target Value dwipurnomo
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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
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Product Design Specification A Document Which Contains All of the Facts Related to the Outcome of the Product Development In Use Purpose and Market Functional Requirements Corporate Constraint Social, Political, and Legal Requirements
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Process Planning Planning of production processes based on the product design starting from raw material in to finish good
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Operation Process Chart
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
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Operation Process Chart Plywood
Pipe
•Cutting •Circular Saw
5’
4
15’
5
•Polishing •Grinding
15’
6
•Painting •Sprayer
3’
7
•Make Screw •Drilling
•Cutting •Circular Saw
5’
1
3’
2
•Forming •Press
3
•Make Screw •Drilling
2’
I-1
I-2 10’
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•Assembly & Inspection •Mannual 18
OPERATION SYSTEM DESIGN
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PERANCANGAN SISTEM Analisis Permintaan Perancangan Produk Dan Proses Penentuan Kapasitas Penentuan Lokasi Perancangan Lay Out dwipurnomo
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Analisis Permintaan Analisis Peluang Pasar
Proyeksi Demand Potential (Do) Market Share ( S ) Proyeksi Demand Effektif (De ) De = S.Do dwipurnomo
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Sumber Peluang
The Unexpected The Incongruity Process Need Change
Struktur Industri dan struktur pasar Demografi Persepsi, “mood” dan makna
New Knowledge dwipurnomo
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Prinsip Inovasi
Dimulai Dengan Analisis Peluang Bersifat Konseptual Dan Perseptual Sederhana Dan Terpusat Mulai Dengan Yang Kecil Ditujukan Untuk Menjadi Leader
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Persyaratan
Berorientasi Pada Pasar Bekerja Hanya Pada Satu Bidang Saja Membangun Berdasarkan Kekuatan Sendiri
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Demand Potential Totalitas permintaan produk/jasa tanpa memperhatikan siapa yang akan memasok
Market Size
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Metoda Proyeksi
Market Research Kwalitatif Kwantitatif Time Series Causal
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Demand Effective Jumlah permintaan produk/jasa yang diminta konsumen yang dapat diraih oleh pemasok tertentu
Merupakan bagian dari demand potential dwipurnomo
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Demand Effective
Do
De 10
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Analisis Market Share Analisis Persaingan
5 Forces ( Porter )
Substitute Supplier Buyer New Entrance Competitor dwipurnomo
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Pengertian Kapasitas Kapasitas Adalah Kemampuan Maksimum Dari Suatu Fasilitas Persatuan Waktu
Design(Co) Effektif(Ce) Aktual(Ca) ( Designer )
( Planner )
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( Executor)
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Keterkaitan Antar Kapasitas
Co Ce Ca
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Langkah Perhitungan Co Demand Effective Loses (L)
Kapasitas Effektif Effisiensi (E)
Strategi Kapasitas CCR ( R )
Kapasitas Design dwipurnomo
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Kapasitas Effektif Ce = De/(1-L) Dimana L: loses karena -
Kerusakan di gudang Kerusakan transportasi Waranty Sales program dwipurnomo
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Strategi Kapasitas Policy A : Capacity leads demand Units
Capacity
Demands
Time
Policy B : Capacity in approximate with demand Capacity Units Demands Time
Policy C : Capacity legs demand Units
Demands Capacity Time
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Capacity Cushion Ratio R = ( Cx – Cs )/Cx Dimana:
R : Capacity Cushion Ratio Cx : Marginal Profit Cs : Marginal Production dwipurnomo
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Strategi Kapasitas
Lead Demand Lag Demand Equal Demand
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R > 0.5 R < 0.5 R = 0.5
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Kapasitas Design
Co = Ce/E Dimana E : Effisiensi Pabrik
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Design LAY - OUT
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