machine design 2 2+0+1, mt, 3 cr. details neptun-code: bgbgg22nec language of the course: english...

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

• Gépelemek• Gépszerkezetek

• Machine parts• ~ components• ~ elements• ~ design• ~ details• ~ structures• Engineering Design

Machine Design I. (Technical Drawing)

Machine Design II. ?

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, 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

+ Mark’s Standard-Handbook/Machine Element.pdf

Textbook with assignments

BMF BGK 3022

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

motorpump

hierarchy

frame

joint

pipe joint

shaftsealcoupling

bearing

Technical terms

„The beginning of wisdom starts with calling things on their right names”

Chinese proverb

grammar

words

Ok, it’s not so difficult, but…

Tolómérő / Subler

Vernier caliper

Ékszíj Vee-beltÍves retesz

Woodruff key

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!