[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-662772-105":59,"doc-detail-662772-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","2007-design-and-manufacturing-i-gears-terminology-geometry-gear-trains-strength-todays-agenda","2.007 - Design and Manufacturing I - Gears: Terminology, Geometry, Gear Trains, Strength - Today’s Agenda","","Lecture slides for MIT OpenCourseWare 2.007 Design and Manufacturing I (Spring 2009) presented by Dan Frey. The session agenda introduces gears and their applications, then surveys gear types and key terminology, including conjugate action and the involute curve. Content covers fundamental geometry concepts such as pitch point and line of action, alongside early gear history examples and introductory analysis approaches for gear trains and mechanical strength considerations.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/2007-design-and-manufacturing-i-gears-terminology-geometry-gear-trains-strength-todays-agenda/662772/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/2007-design-and-manufacturing-i-gears-terminology-geometry-gear-trains-strength-todays-agenda/662772.png","ImageObject",300,407,{"name":92,"@type":93},"Syukur Setiap Hari","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-30","2026-10-28",true,{"@type":102,"interactionType":103,"userInteractionCount":14},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What topics are covered in the lecture agenda for gears?","Question",{"text":112,"@type":113},"The agenda lists gears applications, types, terminology/nomenclature, conjugate action, involute curve, and analysis & design, along with distributing homework #3.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How does the lecture frame conjugate action and gear synthesis?",{"text":117,"@type":113},"It asks how to determine ωB given a known ωA, and whether a shape of body B can be synthesized so ωB remains constant over time.",{"name":119,"@type":110,"acceptedAnswer":120},"What key geometric concepts are introduced for gear analysis?",{"text":121,"@type":113},"The slides highlight the pitch point and the line of action, and ask how these are related, alongside relationships among the core definitions.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},662772,1793222372,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":144},962093541965,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","MIT OpenCourseWare  \n[http://ocw.mit.edu](http://ocw.mit.edu)  \n2.007 Design and Manufacturing I Spring 2009  \nFor information about citing these materials or our Terms of Use, visit: [http://ocw.mit.edu/terms](http://ocw.mit.edu/terms).  \n2.007 –Design and Manufacturing I Gears: Terminology, Geometry,  \nGear Trains, Strength  \nPresented by Dan Frey on 17 MAR 2009  \nImages from Wikimedia Commons, [http://commons.wikimedia.org](http://commons.wikimedia.org)  \nToday’s Agenda  \n• Distribute homework \\#3  \n• Gears  \n– Applications  \n– Types  \n– Terminology / nomenclature  \n– Congugate action  \n– Involute curve  \n– Analysis & design  \nApplications of Gears  \nImages removed due to copyright restrictions. Please see  \n[http://mossmotors.com/Graphics/Products/Schematics/SPM-027.gif](http://mossmotors.com/Graphics/Products/Schematics/SPM-027.gif)  \n[http://www.nmm.ac.uk/collections/displayRepro.cfm?reproID=A6263](http://www.nmm.ac.uk/collections/displayRepro.cfm?reproID=A6263)  \nSobel, Dava, Longitude  \nSpur Gears  \n• Transmit motion between parallel shafts  \n• Teeth are parallel to the axis of rotation  \n• This is the simplest kind of gear we’ll consider and most of today is dedicated to them  \nGear  \nTerminology  \nSource: Fig. 1.1 in “Gears.”Design  \nand Application of  \nSmall Standardized components Data Book 757  \n. Stock  \nDrive Products, 1983. Accessed September 18, 2009. Courtesy of Stock Drive Products/Sterling Instrument.  \nDiametral pitch (teeth per inch)  \n\\# of teeth on a gear with a  \n1 inch pitch diameter  \nEasily confused  \nOther Types of Gears  \nImage courtesy of perlmonger on Flickr.  \nHelical  \nImages from Wikimedia Commons, [http://commons.wikimedia.org](http://commons.wikimedia.org)  \nRack  \nCourtesy OSHA.  \nBevel  \nWorm  \nEarly Gears  \nDrawings of waterwheels and gears removed due to copyright restrictions.  \nRoman watermills at Barbegal 300AD  \nApplication for powering textile machinery  \n18th century  \nConjugate Action  \n ωΑ  \nA  \nLet’s say ωA is a known. How can we determine ωB?  \nLet’s say ωA is a constant with time. Can we synthesize a shape of body B so that ωB is also constant with time?  \nPitch Point  \n ωΑ  \nA  \nWhat is the line of action?  \nWhat is the pitch point?  \nWhat are the relationships among these?","cbCaivb28h0EjXku","https://ap.wps.com/l/cbCaivb28h0EjXku","pdf",1269803,47,"English","# Today’s Agenda\n## Distribute homework #3\n## Gears\n### Applications\n### Types\n### Terminology / nomenclature\n### Conjugate action\n### Involute curve\n### Analysis & design\n# Applications of Gears\n# Gear Terminology\n## Source and design references\n# Other Types of Gears\n## Spur gears\n## Helical\n## Rack\n## Bevel\n## Worm\n# Early Gears\n# Conjugate Action\n## Pitch Point\n### Line of action","[{\"question\":\"What topics are covered in the lecture agenda for gears?\",\"answer\":\"The agenda lists gears applications, types, terminology/nomenclature, conjugate action, involute curve, and analysis \\u0026 design, along with distributing homework #3.\"},{\"question\":\"How does the lecture frame conjugate action and gear synthesis?\",\"answer\":\"It asks how to determine ωB given a known ωA, and whether a shape of body B can be synthesized so ωB remains constant over time.\"},{\"question\":\"What key geometric concepts are introduced for gear analysis?\",\"answer\":\"The slides highlight the pitch point and the line of action, and ask how these are related, alongside relationships among the core definitions.\"}]","2.007 - Design and Manufacturing I - Gears: Terminology, Geometry, Gear Trains, Strength - Today’s Agenda | PDF",118]