제1편 기계 가공법 및 안전관리 제1장 기계 가공 1. 공작 기계 및 절삭제 1-1 기계공작 일반·················· 12 1-2 공작 기계의 종류 및 용도· ········ 14 1-3 절삭 저항······················ 16 1-4 절삭 공구와 공구 재료············ 19 1-5 절삭유 및 윤활제················ 29 2. 기계 가공 2-1 선반 가공······················ 32 2-2 밀링 가공······················ 47 2-3 연삭 가공······················ 64 2-4 드릴링 가공···················· 79 2-5 보링 가공······················ 85 2-6 브로칭 가공···················· 87 2-7 기어 가공······················ 89 2-8 정밀 입자 가공················· 93 2-9 특수 가공······················ 96 제2장 측정, 손다듬질 가공 및 안전관리 1. 측정 및 손다듬질 가공 1-1 측정의 기초··················· 100 1-2 길이 측정····················· 101 1-3 각도 측정····················· 110 1-4 테이퍼 측정··················· 112 1-5 형상, 위치 측정················ 113 1-6 윤곽 측정····················· 114 1-7 표면 거칠기 측정··············· 115 2. 기계 안전 작업 2-1 공작 기계의 안전 수칙··········· 116 2-2 선반 작업의 안전 수칙··········· 117 2-3 밀링 작업의 안전 수칙··········· 118 2-4 연삭 작업의 안전 수칙··········· 119 2-5 드릴링 작업의 안전 수칙········· 120 2-6 전기 용접의 안전 수칙··········· 121 2-7 수공구 안전 수칙··············· 121 제2편 기계 재료 제1장 기계 재료의 성질 및 분류 1. 기계 재료의 일반적 성질 1-1 금속의 성질··················· 126 1-2 금속의 결정과 합금 조직········· 129 1-3 금속의 가공··················· 132 제2장 철강 재료의 기본 특성과 용도 1. 탄소강과 주철 1-1 철과 강· ····················· 134 1-2 철강 재료의 분류··············· 136 1-3 탄소강······················· 138 1-4 주철························· 144 2. 합금강 2-1 합금강의 개요················· 147 2-2 구조용 합금강················· 150 2-3 공구용 합금강················· 151 2-4 특수 용도 합금강··············· 154 제3장 비철금속 재료의 기본 특성과 용도 1. 비철금속 재료 1-1 알루미늄과 그 합금············· 156 1-2 구리와 그 합금················ 160 2. 기타 비철금속과 그 합금 2-1 베어링 합금··················· 165 2-2 기타 합금····················· 166 제4장 열처리와 신소재 1 열처리 1-1 일반 열처리··················· 168 1-2 항온 열처리··················· 173 1-3 표면 경화법··················· 175 2. 신소재 제3편 기계 설계 제1장 재료의 강도 및 변형 1. 기계요소 설계의 기초 1-1 하중························· 184 1-2 응력························· 185 1-3 변형률······················· 186 1-4 허용 응력과 안전율············· 188 제2장 체결용 기계요소 1. 나사, 볼트, 너트 1-1 나사························· 190 1-2 볼트························· 194 2. 키, 핀, 코터 2-1 키·························· 197 2-2 핀·························· 202 2-3 코터························· 203 3. 리벳, 용접 3-1 리벳························· 204 3-2 용접························· 209 제3장 동력 전달용 기계요소 1. 축, 축이음, 베어링 1-1 축·························· 212 1-2 축이음······················· 218 1-3 베어링과 저널················· 219 2. 기어, 벨트, 로프, 체인 2-1 전동용 기계요소··············· 225 2-2 마찰차······················· 226 2-3 기어 전동 장치················ 229 2-4 벨트 전동 장치················ 235 2-5 로프 전동 장치················ 239 2-6 체인 전동 장치················ 240 제4장 완충 및 제동용 기계요소 1. 스프링, 브레이크, 캠 1-1 스프링······················· 242 1-2 브레이크····················· 247 1-3 캠·························· 250 제4편 컴퓨터 응용 가공 제1장 CAD/CAM 시스템 1. CAD/CAM 시스템의 개요 1-1 CAD/CAM/CAE··············· 252 1-2 NC의 발달과정에 따른 시스템····· 254 2. CAD/CAM 시스템의 구성 2-1 컴퓨터의 기능과 구성· ·········· 257 2-2 하드웨어 구성 요소············· 257 2-3 소프트웨어 구성 요소· ·········· 263 3. CAD 데이터 표준 3-1 CAD/CAM 인터페이스· ········· 266 3-2 컴퓨터의 데이터 통신· ·········· 271 제2장 컴퓨터 그래픽 기초 1. 기하학적 도형의 정의와 처리 1-1 도형의 정의와 변환············· 272 2. CAD 모델링을 위한 좌표 변환 2-1 도형의 좌표 변환··············· 275 2-2 벡터························· 285 3. CAD 모델링을 위한 기초수학 및 디스플레이 3-1 모델링의 그래픽 기법· ·········· 289 3-2 렌더링 기법··················· 289 제3장 형상 모델링 1. CAD 모델의 종류 및 모델링 방법 1-1 3차원 모델링의 기법············ 290 2. 곡선 표현 2-1 도형의 정의··················· 302 2-2 자유 곡선의 정의··············· 305 3. 곡면 표현 3-1 곡면의 작성··················· 316 3-2 용도에 따른 곡면··············· 319 제4장 CAM 가공 1. CAM 가공 일반 1-1 CAM 시스템을 이용한 가공······· 320 1-2 2D, 3D 모델링 및 NC 데이터 생성 과정····················· 321 제5편 기계 제도 제1장 기계 제도 일반 1. 제도의 기본 1-1 제도 통칙····················· 332 1-2 도면의 크기와 양식············· 333 1-3 도면의 척도··················· 336 1-4 제도의 선····················· 337 2. 투상법 2-1 정투상법· ···················· 340 2-2 투상도의 표시 방법············· 342 3. 단면도 3-1 전 단면도····················· 347 3-2 한쪽 단면도··················· 348 3-3 부분 단면도··················· 348 3-4 회전 도시 단면도··············· 348 3-5 길이 방향으로 절단하지 않는 제품·349 4. 치수 4-1 치수 기입····················· 351 4-2 치수 기입의 방법··············· 352 4-3 재료 표시법··················· 359 5. 표면 거칠기와 표면의 결 5-1 표면 거칠기··················· 363 5-2 표면 프로파일 파라미터·········· 364 5-3 표면의 결 지시 방법············ 366 6. 치수 공차와 끼워맞춤 공차 6-1 치수 공차····················· 372 6-2 기본 공차····················· 376 6-3 끼워맞춤 공차················· 377 6-4 상용하는 끼워맞춤·············· 378 6-5 끼워맞춤 상태에 따른 분류······· 380 6-6 공차 표시 방법················ 380 7. 기하 공차 7-1 기하 공차의 필요성············· 382 7-2 데이텀 도시 방법··············· 384 8. 최대 실체 공차 방식 8-1 최대 실체 공차 방식의 의미······· 388 8-2 최대 실체 치수와 최소 실체 치수·· 388 9. 스케치도 작성법 9-1 스케치의 필요성과 원칙·········· 390 9-2 스케치 방법··················· 390 9-3 스케치의 작성 순서············· 391 제2장 기계요소의 제도 1. 결합용 기계요소 1-1 나사의 제도··················· 392 1-2 핀의 제도····················· 396 1-3 리벳의 제도··················· 397 2. 축에 관한 요소 2-1 축의 제도····················· 399 2-2 베어링의 제도················· 400 3. 운동용 기계요소 3-1 스퍼 기어의 제도··············· 403 3-2 베벨 기어의 제도··············· 404 3-3 웜 기어의 제도················ 405 제6편 CNC 공작법 제1장 CNC의 개요 1. CNC 공작 기계 1-1 CNC 공작 기계의 개요·········· 408 1-2 NC의 발전 과정················ 408 2. CNC 공작 기계의 구조 제2장 CNC 공작 기계의 제어 방식 1. CNC 시스템의 구성 2. NC 제어 방식 2-1 NC 제어 방식················· 412 2-2 NC 펄스 분배 방식············· 412 3. 서보 기구 3-1 서보 기구 방식················ 414 제3장 CNC 공작 기계 가공 1. CNC 선반 프로그래밍과 가공 1-1 프로그램의 용어··············· 416 1-2 프로그램의 기초··············· 419 1-3 홀더 및 인서트 형번 표기법······· 431 1-4 좌푯값 지령 방법··············· 433 1-5 프로그램 원점과 좌표계 설정····· 434 1-6 프로그래밍 구성 ··············· 436 2. 머시닝 센터 프로그래밍과 가공 2-1 좌표 지령····················· 444 2-2 원호 가공····················· 445 2-3 나사 절삭····················· 447 2-4 원점 복귀····················· 448 2-5 좌표계 설정··················· 449 2-6 공구 교환····················· 451 2-7 공구 보정····················· 451 2-8 고정 사이클··················· 454 2-9 절삭 조건····················· 457 3. 기타 CNC 공작 기계 3-1 CNC 방전 가공기·············· 459 3-2 방전 가공 기술················ 460 3-3 공작물의 예비 가공 및 고정······· 461 3-4 CNC 와이어 컷 방전 가공기······ 463 3-5 세컨드 컷 가공················ 465 제4장 작업 안전 1. CNC 공작 기계의 작업 안전 1-1 CNC 공작 기계 작업 시 주의 사항·466 부록 - 과년도 출제 문제 2013년 시행 문제···································································470 2014년 시행 문제···································································511 2015년 시행 문제···································································549 2016년 시행 문제···································································589 2017년 시행 문제···································································627 2018년 시행 문제···································································666 2019년 시행 문제···································································709