PDF Publication Title:
Text from PDF Page: 048
DESIGN OF MINIATURE TURBOJET ENGINE 48 difficult. Machining the channels between our fins required a 1/8” end mill. From speaking with WPI shop staff and consulting popular online machinist forums, we found that it is nearly impossible to avoid breaking 1/8” carbide end mills while machining Inconel for an extended period. We considered a variety of feeds and speeds, lubrication techniques, and tool paths in order to design a more efficient machining procedure for the turbine fins. However, we eventually determined that machining our turbine from Inconel 718 would incur too great of a financial cost and consume more than an acceptable amount of our time table. The failure of the Inconel turbine consumed an excessive amount of our time. Our initial attempts to machine the turbine from the Nickel super-alloy resulted in multiple broken end mills per blade and the machining operation was calculated to take upwards of twenty hours. In retrospect, we became too attached to the idea of using Inconel and committed to troubleshooting the problem instead of making an early decision to change the material. Eventually, we decided to machine the turbine from a disk of 316 stainless steel thus greatly reducing the machining time, tooling cost, and difficulty. The primary change in design, apart from the material, was a transition from a curved channel floor to a flat channel floor. The ramifications of this change are likely to be a slight decrease in efficiency due to the sharper edge of the blade channels. Additionally, 316 stainless steel does not maintain strength at elevated temperature as well as Inconel. Therefore, the change also decreased the turbines critical rotational speed. On the positive end, this decision decreased our machinePDF Image | Design and Manufacturing of a Miniature Turbojet Engine
PDF Search Title:
Design and Manufacturing of a Miniature Turbojet EngineOriginal File Name Searched:
miniature-turbojet-engine.pdfDIY PDF Search: Google It | Yahoo | Bing
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
IT XR Project Redstone NFT Available for Sale: NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Be part of the future with this NFT. Can be bought and sold but only one design NFT exists. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Turbine IT XR Project Redstone Design: NFT for sale... NFT for high tech turbine design with one part 3D printed counter-rotating energy turbine. Includes all rights to this turbine design, including license for Fluid Handling Block I and II for the turbine assembly and housing. The NFT includes the blueprints (cad/cam), revenue streams, and all future development of the IT XR Project Redstone... More Info
Infinity Turbine ROT Radial Outflow Turbine 24 Design and Worldwide Rights: NFT for sale... NFT for the ROT 24 energy turbine. Be part of the future with this NFT. This design can be bought and sold but only one design NFT exists. You may manufacture the unit, or get the revenues from its sale from Infinity Turbine. Royalties go to the developer (Infinity) to keep enhancing design and applications... More Info
Infinity Supercritical CO2 10 Liter Extractor Design and Worldwide Rights: The Infinity Supercritical 10L CO2 extractor is for botanical oil extraction, which is rich in terpenes and can produce shelf ready full spectrum oil. With over 5 years of development, this industry leader mature extractor machine has been sold since 2015 and is part of many profitable businesses. The process can also be used for electrowinning, e-waste recycling, and lithium battery recycling, gold mining electronic wastes, precious metals. CO2 can also be used in a reverse fuel cell with nafion to make a gas-to-liquids fuel, such as methanol, ethanol and butanol or ethylene. Supercritical CO2 has also been used for treating nafion to make it more effective catalyst. This NFT is for the purchase of worldwide rights which includes the design. More Info
NFT (Non Fungible Token): Buy our tech, design, development or system NFT and become part of our tech NFT network... More Info
Infinity Turbine Products: Special for this month, any plans are $10,000 for complete Cad/Cam blueprints. License is for one build. Try before you buy a production license. May pay by Bitcoin or other Crypto. Products Page... More Info
| CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com | RSS | AMP |