CTD 461 Lecture 10: CTD 461 Chapter 10 Notes
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Department
Clothing, Textiles and Interior Design
Course
CTD 461
Professor
Ms.Davis
Semester
Spring

Description
CTD 461 Chapter 10 Notes Developing Standards and Specifications • Interactions among materials in the product and the relationship to construction, fit and design greatly influence product performance and consumer satisfaction ➢ Material characteristics, performance, and quality are only part of the total quality ➢ The finished product must also be assessed for quality ➢ Product integrity. The way materials and other aspects of the product work together to affect consumer satisfaction Pilling • Pilling resistance: resistance to formation of pills on fabric • Pilling occurs: fiber ends work their way to the surface, are abraded, are broken off, and entangle with other fibers • Measuring fabrics resistance to abrasion • Expose to conditions result in pilling • Visual comparison photographic rating scale Standards and Specifications • Standards: reflect the company’s philosophy and business objectives and market expectations, describe characteristics and performance, ensure product consistency • Specifications: details for specific products, reflect standards, evaluation procedures Product Tolerances • Describe the acceptable behavior range of variation from a specification (instead of minimums with materials testing) 1. Some product attributes are compartmentalized (size) 2. The function of a product or component may be critical to its target market (buttons line up) 3. Company’s definition of quality (expense) 4. Some product aspects adversely affect product performance when they exceed a certain level Materials • Appropriate materials for a product are the most important factor. If the materials do not perform at the desired level no amount of product design modification will overcome the materials’ shortcomings • Possible solutions: 1. Substitute 2. Reexamine specs 3. Reexamine evaluation process 4. Material modified by manufacturer to meet specs Relationship to Materials Standards • Specs/standards build on an understanding of the materials for the product • Material evaluation ensures the company is able to produce a product that meets requirements • Material specs/standards do not address the interaction of materials in the product, the overall performance, or its differentiation by target market expectations • Materials performance/characteristics influence pattern requirements, construction, pattern adjustments for appearance and fit, and grading requirements • A prototype assists in understanding how the materials and processes interact Product Design • The details, features, and characteristics of the finished product • Design specs focus on the aesthetics and fashion characteristics of the product, how to “treat” components (overstitch collar, etc.) • Terms must be precise • Design standards address position a company sees itself in fashion • Quality of design is significant Communication of Design Specs • Digital format: electronic files about product and product line shared among interested parties • Product lifespan management (PLM): enables electronic communication of details about products throughout the supply chain • Mass customization: made-to-order approach for specific customers; focus on size, fit, style, material pattern, and color Product Function • Defines how well a product does what it is designed to do • Function spec/standards address the ability of a product to perform its intended end use • Design details relate to function • Address conditions under which product might be used Appearance • How the product looks when it is viewed from a near perspective, such as at a conversational distance • Addresses features that would be noticed in social interaction, way it looks from outside • How material motifs match and symmetry • Workmanship: how the materials and construction used in producing the product affect the appearance of the finished product Size • In general it refers to the important length, width, depth, circumference, and vertical dimensions of a product • For garments, size refers to a standard grouping of product dimensions based on a standard size chart • Size chart based on company standard, not industry • Size specs: detailed dimensions, tolerances allowed within a size range, and description of procedures to follow in measuring product size Fit • Describes how product dimensions relate to a 3D form, body, or other object on which the product may be used, worn, or displayed • Fit standards include: ease, product features relate to form, how the product hangs on the form • Ease depends on the product type, materials used, body portion covered, and product design • Fit relates to product features and body interactions • Addresses how the product drapes • Helps to identify garment/product balance: the point at which the garment will ride on the form or drape from the form (shirt on shoulder; pants waist) • Describes the general way a product should hang on the form and describe how a product meets fit standards Product Construction • Is the way various parts, components, and materials of a product are combined or connected in a permanent fashion to create a finished product • Standards address details; li
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