پاورپوینت درمانگاه فنی و تخصصی جوشکاری (pptx) 109 اسلاید

دسته بندی : پاورپوینت

نوع فایل : PowerPoint (.pptx) ( قابل ویرایش و آماده پرینت )

تعداد اسلاید: 109 اسلاید

قسمتی از متن PowerPoint (.pptx) :

Welding Course 1 Arc Welding Processes “In The Name of God” Joining Processes Metallurgical Chemical Mechanical Screw & Rivet Nail & Peen Mineral & Organic Glue Welding Brazing Introduction Mechanical Fastening Threaded Fasters Bolts Screws Nuts Other Fastening Methods Stapling Crimping Snap-in Fasteners Shrink and press fits Introduction: 1. Mechanical Joining Processes Rivets a) Solid b) Tubular c) Split (bifurcated) d) compression Introduction: 1. Mechanical Joining Processes Design guidelines for riveting (a) Exposed shank is too long; the result is buckling instead of upsetting (b) Rivets should be placed sufficiently far from edges to avoid stress concentrations Introduction: 1. Mechanical Joining Processes Design guidelines for riveting (c)Joined sections should allow ample clearance for riveting tools (d) section curvature should not interfere with the riveting process Introduction: 1. Mechanical Joining Processes Adhesive Bonding Products are joined and assembled by the use of Adhesives Adhesives properties to be considered Strength Toughness Resistance to various fluids Ability to wet the surface to be bonded Introduction: 2. Chemical Joining Processes Types of adhesives Introduction: 2. Chemical Joining Processes Property Adhesive Peeling Test Characteristic behavior of adhesive in a peeling test : (a) brittle adhesive (b) tough adhesive Introduction: 2. Chemical Joining Processes Peeling Force (a) (b)