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CTE 4443 Exam 1 Study GuideIntroductionTextile Quality Assurance•The process of designing, producing, evaluating and assessing products to determine that they meet the desired equity level for a company’s target market.•Many perceive quality assurance as quality control which is a post-production approach – testing after the product is made.Holistic perspective •Quality is not the same for all things but is inherent in all objects and actions.•“that which belongs to something and makes or helps to make it what it is”•Must address contemporary business issues•In the case of textile products includes the components that contribute to quality•Engineering quality into a product•Measuring a product’s quality•Improving quality of a product or process.Product perspective•Product quality is represented by a total of a set of precise and measurable characteristics or components of a finished product.Producer perspective•Consistent conformance to specifications and standards.•Quality is achieved when products consistently fall within a range of acceptable measures for all dimensions of quality.•Products that meet this level of quality are assumed to produce the greatest income and profit for the company.Customer perspective•Customer could be the next level of manufacture of the final consumer.•Quality reflects an ever-changing marketplace and satisfies the ever-changing needs of the customer in the market.•Companies must respond to changes in expectations and needs by maintaining contact with their customers.Textile testing•Testing is the analysis and evaluation of a material or product to assess its characteristics, quality, or performance.•The product may be tested in its original condition or may be subjected to procedures such as laundry, abrasion, etc. before and/or after testing.•Many consumers want to know what will happen after washing itPurpose for testing•Assessment of Product Performance•Research and Development•Quality Control•Comparative Testing•Analyze Product Failure•Meet Government RegulationsWho does the testing•Suppliers – the company that supplies the product to the retailer•In-house – the company that produces the product•Independent or contract – a separate business organization that specifically tests materials and products for other companies•Usually at the factory level•A few retailers have their own testing- JC PenneyTextile Testing OrganizationsAATCC- chemical properties of textiles (shrinkage, color)ASTM- physical/mechanical propertiesInternational Organization for Standardization (ISO)•Based in Geneva Switzerland•Serves member organizations throughout the world.•Has a member from each country – the member from the US is ANSI (see next slide)•The ISO coordinates efforts among different countries to develop standard test methods that can be applied internationally.American Society for Quality (ASQ)•Organization of professionals who work to improve the quality of manufactured goods, services and related factors.•Developed code of ethics, publishes a newsletter ON Q that includes articles related to quality.American Apparel and Footwear Association (AAFA)•National organization that deals with issues of interest to the sewn products industry.•As the national trade association representing apparel, footwear, sewn products companies, and their suppliers, AAFA promotes and seeks to enhance members companies’ competitiveness, productivity and profitability in the global marketplace.American National Standards Institute (ANSI) •Represents the US member body in the ISO •The purpose of ANSI is to coordinate voluntary standards development and use in the US and to serve as liaison between US standards organizations and other countriesTesting textile materials•Can be done in a laboratory or by wear testingTextile testing•Laboratory – Evaluating characteristics or performance of materials using standard procedures in a specialized facility.•Advantages-Quick results-Environment is controlled-Uses specialized equipment-Uses trained specialists•Disadvantage- many not be true to actual conditions of use•Wear testing is conducted over a long period of time and simulates actual use•Advantages-More realistic-Simulates actual use•Disadvantages-Long term commitment-Expensive-Conditions not controlledEnd Use Performance•Textiles are determined to be of good quality if they satisfy end use performance requirements. •This means that the fabric as a whole from fiber to finish/color must be suitable for the purpose.Standard Testing Conditions 70 + 2o F (21+1oC) 65 + 2% RH (relative humidity)Quality•Complex to define•Companies and their employees need to understand how quality affects organizations, standard practices within organizations, consumer behavior, and market competition.Standard - A set of characteristics or procedures that provide a basis for resource and production decisions. Something that is established by authority, custom, or general consent.Specification•A precise statement of a set of requirements to be satisfied by a material, product, system, or service that indicates the procedures for determining whether each of the requirements is satisfied.•Description•Everything about the material, end product, how it gets there- manufacturing, testing procedure making sure anything required is satisfied•ex. amount of shrinkage•Focus on measurable characteristics•Reflect company standards, costs, customer expectations. •Describe the product in detailed terms that produce consistent products.•Are used to negotiate contracts and bids.•Are used to purchase materials.•Are used to communicate production requirements to production workers.•Are used by suppliers to advertise their product lines.Performance specifications •The statement of how a textile must perform in a particular end use•Company standard may be that the shirt has to be washable•Specifications are measurable•Parts of a performance specificationTest method name and numberCharacteristics (what you are testing for)Requirements (expected test results)How standards and specifications impact costs:•High level of performance often requires materials that would meet these requirements. Higher fabric count, more twist in yarns, more labor, etc.•Lower levels may decrease costs but may also decrease quality.•Something about manufacturer has to be on


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FSU CTE 4443 - Textile Quality Assurance

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