Composites Manufacturing ME 338: Manufacturing Processes II Instructor: Ramesh Singh; Notes: Prof. Singh/ Ganesh Soni 1 Composites ME 338: Manufacturing Processes II Instructor: Ramesh Singh; Notes: Prof. Singh/ Ganesh Soni 2 What is a composite Material? • Two or more chemically distinct materials combined to have improved properties – Natural/synthetic – Wood is a natural composite of cellulose fiber and lignin. • Cellulose provides strength and the lignin is the "glue" that
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tensile‚ and microhardness properties related to the microstructural feature and compare their results to cortical bone. Composites of up to 40% volume HA were prepared by incorporating the HA particles into PEEK and manufactured using injection molding. The ashing of the composites were carried out by thermogravimetric analysis. Differential scanning calorimetry was used to evaluate the degree of crystallinity‚ both in the skin and core region of the molded specimen. Tensile testing was performed
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Guided By- Prepared by Dr. Manish Kumar MACHINERY& EQUIPMENT:- S. No. Machine Qty Unit Cost Total Cost Local/Imported 1. Blow Molding Machine 2 600‚000 1200‚000 Local 2. Crusher 1 80‚000 80‚000 Local 3. Molds 5 30‚000 150‚000 Local SUPPLIER:- SUNRISE TECH ‚ Mr. SURENDER SINGH ‚ E-5‚ Mangolpuri Industrial Area ‚ Phase -2 ‚ Near N.D.P.L. Power House ‚ Truck Market
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Polymer Process Techniques Fig. 3.12. Diagram of a plastics extruder. Polymer Materials Page 12 Polymer Process Techniques Fig. 3.13. Diagram of a compression-molding press and mold. Polymer Materials Page 13 Polymer Process Techniques Melt process Fig. 3.14. Diagram of an injection-molding machine. Polymer Materials Page 14 Polymer Process Techniques Fig. 3.15. Thermoforming of polymer
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Engineering Materials Week 10 14.4 (a) Compute the repeat molecular weight of polypropylene. (b) Compute the number average molecular weight for a polypropylene for which the degree of polymerization is 15‚000. 14.10 Using the definitions for total chain molecule length L and average chain end-to-end distance r‚ for a linear polytetrafluroethylene determine: (a) the number average molecular weight for L=2000 nm. (b) the number–average molecular weight for r=15 nm. 14.19 (a) Determine the
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reputation grew with the years as a designer and fabricator of precision molds. With the reputation‚ the Millers decided to expand into the limited manufactures of plastic parts and new equipments were added such as ingredient mixing facilities and injection molding equipment. In the mid-1990s Custom Mold’s reputation grew to include being a supplier of high quality plastic parts. Due to limited capacity‚ the company decided to concentrate its sales efforts on supplying parts that were used in limited quantity
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• Speed The time spent using rapid prototyping techniques has decreased by as much as 90% compared to other prototype methods. Creating the tooling for injection molding and other conventional prototyping processes can take days. With rapid prototyping‚ the same model parts can be made within hours. • Time to Market The faster a prototype is created‚ the quicker designers and engineers can analyze it for design flaws and make necessary adjustments. The next step after making these adjustments
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the different types of nozzles. The bronze machines needed for the bronze sprinklers require three operators and can produce up to 14‚000 sprinklers. The plastic injection molding machine needed for the plastic sprinklers requires three operators and can produce up to 230‚000 sprinklers. Three bronze machines and only one injection molding machine are available. | What are the capacity requirements for the next four years? (Assume that there is no learning.) (Enter the demand values in thousands
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Overview of CES EduPack 2011 Materials and Process Information Science Notes Interactive Materials Property Charts Three levels of database‚ from an introductory teaching resource to a comprehensive project tool covering 3‚000 materials. Textbook-style explanations with further reading references to books by Ashby‚ Askeland‚ Callister‚ Shackelford and more... Unique tools to compare and analyze properties and to select materials and processes. Eco Audit Tool Specialist Databases
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Rapid Prototyping Primer by William Palm (May 1998)‚ revised 30 July 2002‚ Penn State Learning Factory Table of Contents: 1. Overview of Rapid Prototyping 2. The Basic Process 3. Rapid Prototyping Techniques * Stereo Lithography (SLA) * Laminated Object Manufacture (LOM) * Selective Laser Sintering (SLS) * Fused Deposition Modeling (FDM) * Solid Ground Curing (SGC) * 3-D Ink Jet Printing 4. Applications of Rapid Prototyping
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