기계설계 과목은 7.9급 기계직 공무원 및 다른 기계직 공채시험에서 필수적인 과목이다. 먼저 기계설계 기본서를 숙달한 후 문제풀이로 마무리를 할 수 있도록 구성한 문제풀이 교재다. 기계설계 기본서의 문제는 되도록 적게 도입하였다. 간혹 중복되는 문제들은 중요한 것으로 출제되었거나 출제가능한 문제들이다.
주경야독 전임교수
에듀피디 자동제어 교수
저서로는 [건설기계 산업기사 필기], [기계설계기사],[한홍걸 기계공작법] 등이 있습니다.
www.hongkir@hanmail.netl
기계설계 과목은 7 · 9급 기계직 공무원 및 다른 기계직 공채시험에서 필수적인 과목입니다.
그러나 2005년부터 출제 경향에 많은 변화가 있었으며 2007년부터는 출제범위가 확대되어 수험생들이 공부의 방향을 잡는데 많은 어려움이 있어 왔습니다.
즉 시험의 출제범위가 탄성영역을 넘어서 소성영역과 편진하중시의 강도계산까지 확대되었습니다. 그래서 본 책은 학원에서 강의한 문제풀이 강좌의 문제를 정리하여 출간하게 되었습니다.
본 책의 공부방법은 먼저 기계설계 기본서를 숙달한 후 문제풀이로 마무리를 할 수 있도록 하였으므로 기계설계 기본서의 문제는 되도록 도입을 적게 하였습니다. 간혹 중복되는 문제들은 중요한 것으로 출제되었거나 출제가능한 문제들입니다. 의문 사항이나 문제에 대한 궁금증은 hongkirl@naver.com으로 질문하시면 성실히 답하겠습니다.
끝으로 출간을 위해 많은 노력을 아끼지 않으신 도서출판 한필의 관계자 여러분과 문제복원에 도움을 주신 분들게 감사드리며 이 책이 수험생 여러분들의 공부시간을 줄이는데 일조하고 남는 시간에 다른 과목을 공부하여 좋은 성적으로 합격하기를 기원합니다.
응력과 변형율 ··················································································································· 3
인장, 압축, 전단 ··············································································································· 4
법선, 전단, 조합응력 ······································································································· 7
평면도형의 성질 ··············································································································· 9
비틀림 ································································································································ 10
보의 처짐 ··························································································································· 11
보속의 굽힘응력 ··············································································································· 11
보속의 전단응력 ··············································································································· 12
보의 처짐 면적 모멘트 법 ······························································································ 12
기둥 ···································································································································· 13
기계설계 공식
나사 ···································································································································· 16
키(Key) ······························································································································ 23
핀(Pin) ······························································································································· 25
리벳 ···································································································································· 26
용접 ···································································································································· 31
축 ········································································································································ 36
축이음 ································································································································ 39더보기
재료역학 공식
응력과 변형율 ··················································································································· 3
인장, 압축, 전단 ··············································································································· 4
법선, 전단, 조합응력 ······································································································· 7
평면도형의 성질 ··············································································································· 9
비틀림 ································································································································ 10
보의 처짐 ··························································································································· 11
보속의 굽힘응력 ··············································································································· 11
보속의 전단응력 ··············································································································· 12
보의 처짐 면적 모멘트 법 ······························································································ 12
기둥 ···································································································································· 13
기계설계 공식
나사 ···································································································································· 16
키(Key) ······························································································································ 23
핀(Pin) ······························································································································· 25
리벳 ···································································································································· 26
용접 ···································································································································· 31
축 ········································································································································ 36
축이음 ································································································································ 39
클러치 ································································································································ 40
베어링 ································································································································ 41
마찰차 ································································································································ 43
치차 ···································································································································· 46
벨트 ···································································································································· 54
체인 ···································································································································· 57
브레이크 ····························································································································· 59
스프링 ································································································································ 59
기본평가
기본평가 1회 ························································································································ 65
기본평가 2회 ························································································································ 72
기본평가 3회 ························································································································ 80
기본평가 4회 ························································································································ 86
기본평가 5회 ························································································································ 92
기본평가 6회 ························································································································ 98
기본평가 7회 ························································································································ 105
기본평가 8회 ························································································································ 111
기본평가 9회 ························································································································ 116
기본평가 10회 ······················································································································ 121
기출문제
서울시 9급(2015.06.13.) ···································································································· 129
서울시 9급(2016.06.25.) ···································································································· 136
서울시 9급(2017.06.24.) ···································································································· 144
서울시 9급(2018.03.24.) ···································································································· 151
서울시 9급(2018.06.23.) ···································································································· 158
서울시 7급(2014.06.28.) ···································································································· 166
서울시 7급(2015.06.13.) ···································································································· 175
서울시 7급(2016.06.25.) ···································································································· 184
서울시 7급(2017.06.24.) ···································································································· 193
서울시 7급(2018.06.23.) ···································································································· 201
국가직 9급(2008.05.14.) ···································································································· 213
국가직 9급(2009.04.11.) ···································································································· 219
국가직 9급(2010.04.11.) ···································································································· 228
국가직 9급(2011.04.09.) ···································································································· 236
국가직 9급(2012.04.07.) ···································································································· 243
국가직 9급(2013.07.27.) ···································································································· 250
국가직 9급(2014.04.19.) ···································································································· 258
국가직 9급(2015.04.18.) ···································································································· 264
국가직 9급(2016.04.09.) ···································································································· 271
국가직 9급(2017.04.08.) ···································································································· 278
국가직 9급(2018.04.07.) ···································································································· 285
국가직 9급(2019.) ··············································································································· 293
국가직 9급(2020.) ··············································································································· 301
국가직 7급(2008.08.09.) ···································································································· 309
국가직 7급(2009.07.25.) ···································································································· 316
국가직 7급(2010.07.25.) ···································································································· 324
국가직 7급(2011.07.23.) ···································································································· 332
국가직 7급(2012.07.28.) ···································································································· 342
국가직 7급(2013.06.22.) ···································································································· 351
국가직 7급(2014.07.26.) ···································································································· 360
국가직 7급(2015.08.29.) ···································································································· 367
국가직 7급(2016.08.27.) ···································································································· 377
국가직 7급(2017.08.26.) ···································································································· 385
국가직 7급(2018.08.18.) ···································································································· 393
국가직 7급(2019.) ··············································································································· 403
국가직 7급(2020.) ··············································································································· 415
지방직 9급(2009.05.24.) ···································································································· 424
지방직 9급(2010.05.23.) ···································································································· 431
지방직 9급(2011.05.14.) ···································································································· 438
지방직 9급(2012.05.12.) ···································································································· 446
지방직 9급(2013.08.24.) ···································································································· 454
지방직 9급(2014.06.21.) ···································································································· 461
지방직 9급(2015.06.27.) ···································································································· 469
지방직 9급(2016.06.18.) ···································································································· 477
지방직 9급(2017.06.17.) ···································································································· 486
지방직 9급(2018.05.19.) ···································································································· 494
지방직 9급(2019.) ··············································································································· 505
지방직 9급(2020.) ··············································································································· 513
고졸특채 9급(2016.10.01.) ································································································ 521
고졸특채 9급(2017.09.23.) ································································································ 528
고졸특채 9급(2018.10.13.) ································································································ 536
예상문제
예상문제 제 1 회 ················································································································ 546
예상문제 제 2 회 ················································································································ 551
예상문제 제 3 회 ················································································································ 556
예상문제 제 4 회 ················································································································ 561
예상문제 제 5 회 ················································································································ 566
예상문제 제 6 회 ················································································································ 571
예상문제 제 7 회 ················································································································ 577
예상문제 제 8 회 ················································································································ 582
예상문제 제 9 회 ················································································································ 588
예상문제 제 10 회 ·············································································································· 594