Shaping Processes For Plastics Ppt PDF
1 ME477 Kwon 1 SHAPING PROCESSES FOR PLASTICS 1. Properties of Polymer Melts 2. Extrusion 3.Sheet and Film 4. Fiber and Filament 5. Coating Processes
10/18/2010 2 Forming and Shaping Processes for Plastics, Elastomers, and Composite Materials Manufacturing, Engineering & Technology, Fifth Edition, by Serope Kalpakjian and Steven R. Schmid.
SHAPING PROCESSES FOR PLASTICS Outline • Introduction • Extrusion-The extruder-Extrusion Die-Melt flow in extruder • Wire and Cable Coating • Polymer Sheet and Film • Fiber and Filament ... lecture 15 plastics 2_students.ppt Author: mmedraj
Shaping plastics using heat Using an oven Using a strip heater The vacuum forming machine ... This process is one of the most common of all plastics manufacturing processes. The polymer, in granule form, is heated until fused and forced into
Shaping Processes for Plastics: THERMOSETS MATERIALS Sheet & film extrusions - Polymer extruded onto a chilled roller & formed ... SHAPING PLASTICS THERMOFORMING
• Fiber Reinforced Plastics (FRP) are most closely identified ... Family of FRP shaping processes that use a single positive or negative mold surface to produce laminated FRP ... Manufacturing of composites_rev.ppt [Compatibility Mode]
Forming and Shaping Plastics and Composite Materials Polymer Processing ... processes for plastics and electrical assemblies, ... 23_Polymer Processes descriptions 56633-Ch19 rev.ppt [Compatibility Mode] Author: bgthomas
MECH 421/6511 Shaping of Metals and Plastics ... Waste in Shaping Processes It is desirable to minimize waste and scrap in part shaping – Material removal processes tend to be wasteful in the unit ... lecture 1_introduction-class.ppt Author:
separate from the plastics industry •The rubber industry and goods made of rubber are ... Shaping and Related Processes •Shaping processes for rubber products can be divided into four basic categories: 1. ... Ch14-Rubber-Wiley.ppt
... Adhesive bonding, joining of plastics. VI COURSE OUTCOMES: At the end of the course the student will be able to 1. Understand the role of various ... shaping processes and different equipments used are ... Shaping Processes. PPT Explanation Observe Understand 17 III 17 ...
Types of plastics - Characteristics of the forming and shaping processes – Moulding of Thermoplastics – Working principles and typical app lications of - Injection moulding – Plunger and screw machines – Compression moulding, Transfer moulding - Typical
the plastics industry • Dominated by one product: tires • Technological breakthrough – Vulcanization (cross-linking) to transform weak ... • Shaping processes: injection molding and extrusion. More economical and faster than the
– Shaping involves shear, bulk and elongational deformations of the polymer melt, which have different viscoelastic characteristics. From: Principles of Polymer Engineering (McCrum et al. 1995) Processing of Polymers •Extrusion – Films and sheets
In general, plastics processes have three phases: 1. Heating ... the shaping phase. The shaping is accompanied by a chemical reaction, which means that the ... Microsoft PowerPoint - polymer_processing.ppt Author: Administrator
Plastics Bakelite (phenolic) - one of the first commercial ... Manufacturing Processes Subtractive Cutting, millling, turning Additive Welding, prototyping Shaping Forging, molding. Subtractive Milling - woods, metals, manual or automatic (CNC) Cutting - sawing, laser, water, EDM
There are many processes for plastics. Selection of ... the shaping phase. The shaping is accompanied by a chemical reaction, which means that the material does not soften on reheating. ... polymer_processing.ppt Author: admin Created Date:
Processes Lecture Notes Prepared by Junlan Wang ... – Plastics: Thermosets, thermoplastics, and elastomers ... – Forming and shaping: rolling, forging, extrusion, drawing, sheet forming, powder metallurgy and molding
... this overview focuses on the most important processes for thermoplastic materials, namely extrusion and ... the production of plastics in volume surpassed that of steel in 1981, ... shaping or moulding into numerous useful products.
Many of the shaping processes for new ceramics are borrowed from powder metallurgy (PM) ... material (e.g., fiber reinforced plastics) 27/09/56 34 Diamond Carbon with a cubic crystalline structure with ... ch07_Ceramics Processing.ppt [โหมดความเข้ากันได้]
Plastics - or polymers - fall into two main groups: Thermo(softening) ... Methods of shaping the softened plastic include: Injection moulding, Rotational moulding, ... moulding processes. Dashboards and car trim, toys, phones, handles, electrical
Forming & Shaping of Glass General process for glass: •Melt – 1000 oto 1200 C – A red-hot, viscous, ... • Glass products made by several shaping processes similar to those for ceramics, plastics ... _Ch18_Ceramics,Glasses,Superconductors_Processing and Equipment.ppt [Compatibility Mode]
Manufacturing Processes BY CHUCK FENNELL Program Manager, Dalton Foundries ... Planing and Shaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-65 ... Plastics of the urea- and phenol-formaldehyde groups and furan resins
Forming & Shaping of Glass General process for glass: • Melt – 1000o to 1200oC – A red-hot, ... • Glass products made by several shaping processes similar to those for ceramics, plasticssimilar to those for ceramics, plastics • Continuous glass processing methods: Drawing, Rolling,
–manufacturing processes •what processes should you use? ... •plastics and composites joining (mechanical, heating, solvents, ultrasonics) machining processes single point machining •turning •boring •facing •forming •shaping,planning multipoint machining •drilling •milling ...
these plastics can be melted and ... • Shaping: Primary processes create shapes. Casting, molding, etc. Secondary processes modify shapes or properties. Machining, heat treatment. ... Ch 2 2011.ppt Author: Barend Thijsse Created Date:
molding for plastics • Processes: ... – Shaping of molds and dies from RP-made master patterns (indirect RT) 7 Stereolithography (SL) – Layer-by-layer curing of a liquid photopolymer by a laser ... Manufacturing-overview.ppt Created Date:
Types of plastics – Characteristics of the forming and shaping processes – Moulding of Thermoplastics – Working principles and typical applications of – Injection moulding – Plunger and screw machines – Compression moulding – Transfer moulding – Typical industrial
Plastics Wire Metal Sheet •Laminated Object Manufacturing (LOM) •Fused Deposition Modeling ... Filename.ppt | 9 A Great Variety of Applicable Materials Offer SLS Design ... Post processes include sintering to burn off binder, and a bronze
Extrusion processes are very complex: • mixing and feeding stock, • compression, heating-and-cooling, ... fact that cooling and final shaping of the extrudate occur virtually under zero gage pressure. ... Assessment of NIU Die Designs and Fermilab Extrusion.ppt [Read-Only]
Plastics Melt Shaping heating flowing. ... Influence on solidification processes. Biological processes. THANK YOU! Rod climbing. Extrudate swell. Melt fracture. Filament stretching. Title: Microsoft PowerPoint - Presentation.ppt Author: Administrator
2.1.1 Types of Plastics .....11.2-1 2.1.2 Manufacturing Techniques ... Plastic products manufacturing involves molding, forming, shaping, or otherwise altering plastic ... processes are discussed in Section 2 and include most thermoplastic processes where solvents
Hydro-jetting method of bas-relief shaping P. BORKOWSKI ... plastics and other popular materials. Aluminium alloy, 5 mm thick AlMg1SiMn, was used most commonly. ... Adequate software of such jet machining processes need
2.810 manufacturing processes and systems Professor Tim Gutowski, [email protected] September 8, ... • SHAPING,PLANNING MULTIPOINT MACHINING • DRILLING • MILLING • SAWING, ... • PLASTICS AND COMPOSITES JOINING (MECHANICAL, HEATING, SOLVENTS, ULTRASONICS ...
Plastics 7 30 59 146 31 1Q10 GROUP 158 328 PHARMA 94 239 ... processes, all-in scenario of R&D projects and other unusual items. Consequently, actual results may differ materially ... 10Q1 Results Presentation FINAL.ppt Author: it90644 Created Date:
importance to all plastics processing. In addition to ... downstream cooling and shaping hardware are shown. ... sion processes, blown ﬁlm is sized and quenched from melt to solid ﬁlm without contacting metallic cooling elements.
Manufacturing of metals: fundamental of metal-casting, metal-casting processes and equipment, bulk forming (rolling, forging, ... forming and shaping of plastics, processing composite materials. ... Introduction.ppt Author: Anticlimacus Created Date:
plastics Course MP10 – Lecture 2 23/2/2005 2.1 General model of polymer processing ... Flow and shaping of the liquid by mechanical processes ... Microsoft PowerPoint - MP10, lecture 2.ppt Author: jae1001
Shaping our future. 2 SOLVAY GROUP 2Q10 Results July 29, 2010 SOLVAY S.A. nv ... Plastics 1,353 724 +50% % GROUP 4,051 2,067 PHARMA1 1,292 661 Sales (MEUR) 1H09 2Q09 ... 10Q2 Results Presentation Final.ppt Author: it90644 Created Date:
Plastics in Automotive Engineering ... Intense three dimensional Shaping Sculptural Shapes Complex Design ... Processes Class A Surfaces Testing Research Development Simulation Production Customer End-of-life
After shaping and forming, ... Shear Rates of Different Processes process shear rate (sec-1) compression molding 1 - 10 calendering 10 - 100 extrusion 100 - 1000 ... for most plastics. Prediction of viscosity at any temperature
Mixing Shaping Vulcanization Scrap Scrap Scrap Thermoset Rubber Article ... • Dynaprene is the perfect hybrid of rubbers and plastics. • Dynaprene has the performance of conventional rubber and processes like plastic.
interests to government officials, and to participate actively in shaping public policy. In ... Plastics & Adhesives ... ‐Processes ‐Budget Execute. Government Relations Tools • Grassroots
processes and devices – NMP”, 2004 ... Shaping and Transformation in the Engineering of Polysaccharides STEP IN, 7 PR UE, 2008-2012. Other International progammes 1. “Termoresistant polyesters – fibres and plastics”, N ATO Science for Peace 972 949, 2001-2003, 2. „Bioprocessing ...
and to leading the way in ‘Shaping the Future with Plastics’™. Borealis is owned 64 % by the International Petroleum Investment Company (IPIC) ... processes. Depending on the desired spectrum of properties, homopolymers, random copolymers (C 2
reduction drive demand for high-tech plastics Global car production annual growth of ... manufacturing processes Composite sheet lower beam in the frontend of the new Audi A8 ... für PPT-Präsentationen
Turning Processes and Tolerances The University of New Mexico ... Shaping Flat surfaces and straight contour profiles on relatively small workpieces; suitable for low-quantity ... Plastics TABLE 22.2 High-speed steel Carbide (inserts)
shaping ecological processes, including responses of individual organisms, populations, ... -Persistent (DDT, plastics)-Nondegradable (lead, mercury) Blaustein. 4 19 Miller 11-22, 2003 ... 206_L29_PollutionHealthOzone_2007.ppt
www.plastics-car.com. Melt Rheology & Processing 8 Manufacturing methods ... shaping and cooling - main processes are extrusion and injection moulding • Polymer melt flow is non-Newtonian ... Melt Rheology.ppt Author: eazacl
shaping, gear finishing methods; shaving, burnishing grinding, Lapping ... processes, annealing, normalizing, stress relieving, hardening, tempering ... polymer structure and crystallinity, polymers to plastics types, reinforced particles-strengthened and dispersion strengthened composites ...
Processes Agricultural Inputs ... plastics and films. Strain deformation occurs in crystalline regions, allowing full recovery. Tough Stretch with recovery Resilient ... 260g/m 2 shaping fabric Circular Knit with elastane – plated single jersey