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Machine design 2 2+0+1, mt, 3 cr. details. NEPTUN-code: BGBGG 22 NEC Language of the course: English Subject leader: Endre Korondi senior lecturer Co-lecturer: dr. Erzsébet Ancza associate professor
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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.huancza.erzsebet@bgk.uni-obuda.hu • Room 142 and 10
Machine Design I. (Technical Drawing) Machine Design II. ? • Machine parts • ~ components • ~ elements • ~ design • ~ details • ~ structures • Engineering Design • Gépelemek • Gépszerkezetek
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 subjectsmachine design I and III mechanics I, II, IIIengineering 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
static elements joints frames springs (mechanical) drive systems bearings shafts couplings & clutches drives vessel systems pipes valves tanks general purpose machine elements
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 gaugegage (idomszer) • rugós biztosítógyűrű • tengelyhez/ furathoz • Seeger-gyűrű • retaining ring, snap ring • C-clip, circlip • Jesus clip (!)
Kulisszás hajtómű Scotch joke (1) Scotch joke (2:)
Hungarianlecture: Mr. Szunyogh, Tuesday 14.25, P10