MEC 431 Lecture Notes - Lecture 8: Sand Casting, Mass, Rapid Prototyping

• School: Ryerson University
• Department: Mechanical Engineering
• Course: MEC 431
• Professor: N/ A

Document Summary

Applications model in minimum time using rp: designers are able to confirm their design by building a real physical, designbenefitsofrp: Engineering applications activities to be accomplished that would be more difficult without the: existence of part allows certain engineering analysis and planning. Comparison of different shapes and styles to determine aesthetic. Fabrication of pre-production parts for process planning and tool design physical entity appeal. Rapid tooling tooling: calledrapidtoolmaking(cid:523)rtm(cid:524)whenrpis used to fabricate production, twoapproachesfortool-making: 1. Indirect rapid tooling pattern is created by rp and the pattern is used to fabricate the tool: examples: Patterns for sand casting and investment casting electrodes for edm. Rp is used to make the tool itself example: Laser sintering is used to create a die of metal powders followed by sintering and infiltration to complete the die. Rapid prototyping machine manufacturer"s usually don"t advertise this fact. The minimum layer thickness determines the surface finish correct size for each user.