Machine design 2 2+0+1, mt, 3 cr details • • • • NEPTUN-code: BGBGG22NEC Language of the course: English Subject leader: Endre Korondi senior lecturer Co-lecturer: dr. Erzsébet Ancza associate professor Institute of Machine Design and Safety Engineering, Donát Bánki Faculty of Mechanical and Safety Engineering, Óbuda University • Contact information: – E-mail: korondi.endre@bgk.uni-obuda.hu ancza.erzsebet@bgk.uni-obuda.hu – Room 142 and 10 Machine Design I. (Technical Drawing) Machine Design II. ? • Gépelemek • Gépszerkezetek • Machine parts • ~ components • ~ elements • ~ design • ~ details • ~ structures • Engineering Design aim • to introduce the structure of machines, the function, type and load of machine elements and the main methods of designing them • Main chapters of this semester: – Fits & tolerances – Basics of stressing – Joints – Drive systems 1. Connecting subjects machine design I and III mechanics I, II, III engineering materials …. pneumatics and hydraulics Requirements 3 hours weekly (mostly 2 lecture, 1 laboratory) Attendance and participation are important! Engineering is not a spectator sport. (allowed absence four occasions) Course requirements: Tests (tolerances, stressing) 10+10 points Assignments (valve, key joint, coupling) (10+15+15) Written exam 60 point Preliminary deadlines Valve (assembly+part dwg) 22/03 (6th week) Key joint (ass. dwg+calc.) 05/04 (8th week) Coupling (ass. dwg+calc.) 03/05 (12th week) Test on fits& tolerances: 01/03 (3rd week) Test on stressing: 09/04 (10th week) Exam (closing test) 10/05 (13rd week) evaluation minimum: tests, assignments, exam 50% each beeing late with ass. mean extra fee! (1kHUF) overall minimum for mid-term mark: 50% (60 of 120 points) retry: for tests: one occasion for assignments: next to last week exam: last week Ultimate deadline : last week (17th of May) Further exam retry (once) by Study Regulations literature Textbook with assignments BMF BGK 3022 + Mark’s Standard-Handbook/Machine Element.pdf some hungarian textbooks Diószegi György, dr. Gyurcsovics Lajosné, et. al.: Géprajz, gépelemek II., BMF-BL-346 Géprajz, gépelemek II. Segédlet, BMF-BL-346 German:) Other TUs old & new machine elements general purpose machine elements static elements • joints • frames • springs (mechanical) drive systems • bearings • shafts • couplings & clutches • drives vessel systems • pipes • valves • tanks machine group – machine part assembly – machine element pump motor hierarchy seal shaft coupling bearing pipe joint joint frame Technical terms „The beginning of wisdom starts with calling things on their right names” Chinese proverb words grammar Ok, it’s not so difficult, but… Tolómérő / Subler Vernier caliper Íves retesz Woodruff key Ékszíj Vee-belt UK US gauge gage (idomszer) rugós biztosítógyűrű tengelyhez/ furathoz Seeger-gyűrű retaining ring, snap ring C-clip, circlip Jesus clip (!) Kulisszás hajtómű Scotch joke (1) Scotch joke (2:) Hungarian lecture: Mr. Szunyogh, Tuesday 14.25, P10 That’all, folks!