PPT-Sand Casting

Alexander DeCarli Kevin Shaw Katie Gaffney SRJC Engr 45 120810 Early History The oldest known cast in existence is a copper frog from 3200 BCE in Mesopotamia Other early casts from around 3000BCE like weapons and cult objects were discovered in the Middle East and India. 0224 ME 455655 Casting Session Overview Basic principles of metal casting processes Different type of metal casting process Sand Casting Investment Casting Die casting Process Equipment Materials Design guides Die Casting METAL CASTING PROCESSES. Sand Casting. Other Expendable Mold Casting Processes. Permanent Mold Casting Processes. Foundry Practice. Casting Quality. Metals for Casting. Product Design Considerations. Dipersiapkan oleh: MOERWISMADHI. ST. . MT. Retired . POLITEKNIK . MANUFAKTUR BANDUNG. E-mail . : . wismadhi. @. gmail.com. OVERVIEW OF CASTING TECHNOLOGY. Definitions. Casting is a process in which molten metal flows into a mold where it solidifies in the shape of the mold. DR PROMILA VERMA . DEFINITIONS. Dental wax. . A low molecular weight ester of fatty acids . derived from natural & synthetic components . such as petroleum derivatives that soften to . Art I – Metals Unit. Pewter Casting. Pewter casting is a Medieval art form. Designs often consisted of animals. Pewter is an alloy of tin and a little copper. Pewter has a low melting temperature of 500-750 degrees. Which is which? . Video Streaming. Streaming media.  is . multimedia.  that is constantly received by and presented to an . end-user.  while being delivered by a provider. The . verb.  "to stream" refers to the process of delivering or obtaining media in this manner; the term refers to the delivery method of the medium, rather than the medium itself, and is an alternative to file . . The custom of deciding doubtful questions by lot is one of great extent and high antiquity. Among the Jews, lots were used with the expectation that God would so control them as to give a right direction to them. They were very often used by God's appointment. "As to the mode of casting lots, we have no certain information. Probably several modes were practiced.“ -- Smith’s Bible Dictionary. for virtual reality. Warren Hunt. Oculus Research. Ray casting is . a viable . alternative to . rasterization for VR/AR. This talk. Applicability of . r. ay casting for VR/AR. Reference ray casting . Lecture . 5 . – . Casting Process. Casting iron in a sand mould:. Wikipedia. Casting. Engineering Materials and Processes. Reference Text. Section. Higgins RA & Bolton, 2010. . Materials for Engineers and Technicians, . METAL CASTING PROCESSES. Sand Casting. Other Expendable Mold Casting Processes. Permanent Mold Casting Processes. Foundry Practice. Casting Quality. Metals for Casting. Product Design Considerations.  . In . VERTICAL centrifugal casting PROCESS. a . permanent mold is rotated about its . VERTICAL axis . THE MOLD IS SPUN AT HIGH . speeds . ( USUALLY 50 TO 100 TIMES GRAVITY FORCE). . as the molten metal is . Chapter 11. METAL CASTING PROCESSES. Sand Casting. Other Expendable Mold Casting Processes. Permanent Mold Casting Processes. Foundry Practice. Casting Quality. Metals for Casting. Product Design Considerations. Identify and select proper manufacturing process for a specific component.. CO. METAL CASTING. History of Casting . Why Casting?. Basic casting process. Basic terms used in casting. Steps in casting process. investment casting . processes . names. Step 1. :. Tooling . and Pattern Making. . A . tool is built to customer-provided specifications (A). Cold wax is then injected into the tool to create a wax pattern/prototype (B). That will hold precise dimensional requirements in final casting.