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▶ 이 책은 기계공작법 이해(NCS 과정 및 실무)에 대해 다룬 도서입니다. 기계공작법의 기초적이고 전반적인 내용을 확인할 수 있도록 구성했습니다.

제1편 주 조

제1장 모형
1. 모형용 재료 ························ 16
1-1 목재의 장점 ······································· 16
1-2 목재의 단점 ······································· 16
2. 목형용 목재 ························ 17
2-1 목재의 조직 및 수축 ························· 18
2-2 목재의 기계적 성질 ·························· 19
2-3 목재의 건조 ······································· 20
2-4 목재의 방부법 ··································· 22
2-5 목재의 선택 방법 ······························ 23
3. 목형용 보조 재료 ··················· 23
3-1 접착제와 결합제 ································ 23
3-2 도장 재료 ·········································· 24
4. 목형 제작 방법 ····················· 25
4-1 현도법 ················································ 25
4-2 목형 제작상의 유의 사항 ·················· 25
4-3 목형의 종류 ······································· 28
5. 목형 공작용 수공구 및 기계 ·········· 31
5-1 목형용 수공구 ··································· 31
5-2 목형용 기계 ······································· 34
6. 목형의 조립방법 ···················· 39
6-1 목재의 접착 ······································· 39
6-2 못나사 접착 ······································· 40
6-3 주먹 장부 맞춤과 잔형 ····················· 40
6-4 다월 맞춤 ·········································· 40

제2장 주조
1. 주물의 개요 ······················· 42
1-1 주물의 특징 ······································· 42
2. 모래 주형 재료 ····················· 43
2-1 모래 주형 재료 ································· 43
3. 주물사의 종류 ····················· 45
3-1 생형사 ················································ 45
3-2 건조사 ················································ 46
3-3 코어사 ················································ 46
3-4 분리사 ················································ 46
3-5 표면사 ················································ 47
3-6 도형재 ················································ 47
4. 주물사의 재생 처리법 ··············· 47
4-1 주물사의 노화현상 ···························· 47
4-2 주물사의 재생처리 ···························· 49
5. 주물사 처리용 기계 ················· 50
5-1 분쇄기 ················································ 50
5-2 혼사기 ················································ 51
5-3 자기 분리기 ······································· 51
5-4 투사기 ················································ 51
6. 주물사 시험법 ······················ 51
6-1 강도 시험법 ······································· 52
7. 주형용 공구 및 시설 ················ 56
7-1 주형용 공구 ······································· 56
7-2 주형용 수공구 ··································· 57
7-3 주형용 기계 ······································· 57
8. 주형 제작법 ······················· 59
8-1 주형 재료에 의한 분류 ····················· 60
8-2 주형법에 의한 분류 ·························· 60
9. 주조 방안 ························· 61
9-1 탕구계의 구성 ··································· 62
9-2 주입온도 및 주입시간 ······················· 65
9-3 압상력 ················································ 67
10. 주물 후처리 ······················ 68
10-1 주물의 해체 ····································· 68
10-2 주물의 청소 ····································· 68
11. 특수 주조법 ······················· 68
11-1 원심 주조법 ····································· 69
11-2 다이캐스팅 ······································· 69
11-3 셸 몰드법 ········································ 70
11-4 인베스트먼트법 ································ 71
11-5 연속 주조법 ····································· 72
11-6 이산화탄소법 ··································· 73
12. 주물의 결함과 검사법 ··············· 74
12-1 주물의 결함과 방지 방법 ················ 74
12-2 주물의 검사 ····································· 76

제3장 용해와 용해로
1. 용해로의 개요 ······················ 79
2. 용해로의 종류 ····················· 80
2-1 도가니로 ············································ 80
2-2 전로 ··················································· 81
2-3 평로 ··················································· 81
2-4 반사로 ················································ 82
2-5 전기로 ················································ 83
2-6 용선로 ················································ 85

제4장 주물용 금속재료
1. 주철의 개요 ······················· 88
2. 주철의 분류 ······················· 89
2-1 회주철 ················································ 89
2-2 고급 주철 ·········································· 89
2-3 구상 흑연주철 ··································· 91
2-4 가단주철 ············································ 91
2-5 합금 주철 ·········································· 93
2-6 냉경주물 ············································ 94
3. 주강 ····························· 94
3-1 보통주강 ············································ 95
3-2 합금주강(특수 주강) ·························· 95
4. 구리 합금 ························· 96
4-1 황동 ··················································· 96
4-2 청동 ··················································· 97
5. 알루미늄 합금 ····················· 97
6. 마그네슘 합금 ····················· 99


제2편 소성가공

제1장 소성가공의 개론
1. 소성가공의 개요 ··················· 102
1-1 소성변형 ·········································· 102
1-2 소성가공에 이용되는 재료의 성질 ·· 102
1-3 응력과 변형률 ································· 103
1-4 재결정 ············································· 104
1-5 열간가공과 냉간가공 ······················· 105
1-6 냉간가공 ·········································· 106
2. 소성가공의 종류 ··················· 108

제2장 단조
1. 단조의 개요 ······················· 110
2. 재료 가열법 ······················· 111
2-1 단조 온도 ········································ 111
2-2 가열로 ············································· 113
2-3 온도 측정 ········································ 114
3. 단조용 재료 ······················· 115
3-1 단련강 ············································· 115
3-2 탄소강 ············································· 115
3-3 특수강 ············································· 116
3-4 구리 합금 ········································ 116
3-5 경합금 ············································· 116
4. 단조용 공구 및 기계 ················ 117
4-1 단조용 공구 ····································· 117
4-2 단조 기계 ········································ 118
5. 단조작업 ························· 123
5-1 자유단조 ·········································· 123
5-2 형단조 ············································· 125

제3장 압연
1. 압연의 개요 ······················· 128
2. 압연 작용 ························ 129
2-1 압하율 ············································· 129
2-2 폭 증가 ············································ 129
2-3 접촉각 ············································· 130
3. 압연기의 종류 ····················· 130
4. 롤러 ···························· 133
4-1 롤러의 구조 ····································· 133
4-2 롤러의 재질 ····································· 134
5. 특수 압연기 ······················ 134
5-1 맨네스맨 압연기 ······························ 135
5-2 유니버설 압연기 ······························ 135
5-3 플러그 압연기 ································· 136
5-4 로터리 압연기 ································· 136
5-5 릴링 압연기 ····································· 136
6. 압연 작업 ························ 137
6-1 분괴압연 ·········································· 137
6-2 후판압연 ·········································· 139
6-3 형강 압연 ········································ 139

제4장 인발가공
1. 인발의 개요 ······················· 140
2. 인발의 분류 ······················ 140
2-1 봉재 인발 ········································ 140
2-2 관재 인발 ········································ 140
2-3 선재 인발 ········································ 141
2-4 롤러 다이법 ····································· 141
2-5 디프 드로잉 ····································· 142
3. 인발 조건 ························ 143
3-1 단면 감소율 ····································· 143
3-2 역장력 ············································· 143
3-3 인발속도 ·········································· 144
3-4 다이 각 ············································ 144
3-5 인발에서의 윤활 ······························ 145
4. 인발용 기계 ······················ 146
4-1 신선기 ············································· 146
4-2 인발기 ············································· 146
4-3 교정기 ············································· 147

제5장 압출
1. 압출의 개요 ······················· 148
2. 압출 방법 ························ 148
3. 압출기와 공구 ····················· 150
4. 압출압력과 윤활 ··················· 151

제6장 제관
1. 제관의 개요 ······················· 153

제7장 프레스 가공
1. 프레스 가공의 개요 ················· 155
2. 프레스 가공의 분류 ················ 155
3. 프레스 가공용 재료 ················ 156
3-1 철 금속 ············································ 156
3-2 구리 및 구리 합금 ·························· 156
3-3 알루미늄 및 알루미늄 합금 ············ 157
4. 프레스 가공용 기계 ················ 157
4-1 프레스의 분류 ································· 157
4-2 인력 프레스 ····································· 158
4-3 동력 프레스 ····································· 159
5. 전단가공 ························· 164
5-1 전단작용 및 전단각 ························ 164
5-2 전단가공 ·········································· 166
6. 굽힘가공 ························· 169
6-1 굽힘 변형 ········································ 169
6-2 최소 굽힘 반지름 ···························· 170
6-3 스프링 백 ········································ 171
6-4 굽힘 작업 ········································ 172
7. 드로잉 가공 ······················· 175
7-1 펀치의 곡률 반지름 ························ 175
7-2 다이의 곡률 반지름 ························ 176
7-3 펀치와 다이의 간격 ························ 176
7-4 드로잉 작업 ····································· 177


제3편 용 접

제1장 용접 개론
1. 용접의 개요 ······················ 180
1-1 용접의 원리 ····································· 180
1-2 용접법의 종류 ································· 180
1-3 용접법의 특징 ································· 182
2. 용접이음의 종류 ··················· 182
2-1 모재의 배치에 따른 종류 ················ 182
2-2 맞대기 용접 ····································· 183
2-3 필릿 용접 ········································ 183
2-4 플러그 용접 ····································· 184
2-5 덧살올림 용접 ································· 184
3. 용접 기호 ························ 184
3-1 용접부의 기호 ································· 184
3-2 용접부의 기호 표시방법 ················· 186
3-3 보조 기호 등의 기재방법 ················ 187

제2장 피복아크 용접
1. 피복아크 용접의 원리 ··············· 189
1-1 아크 용접 회로 ······························· 190
1-2 아크의 특성 ····································· 190
1-3 정전류 특성 ····································· 190
2. 용접기의 특성 ····················· 191
2-1 수하 특성 ········································ 191
2-2 정전압 특성, 상승특성 ··················· 191
2-3 극성 ················································· 191
2-4 자기쏠림 ·········································· 192
2-5 아크길이 ·········································· 192
2-6 용접입열 ·········································· 193
2-7 용융속도 ·········································· 193
2-8 용착 현상 ········································ 193
3. 아크용접 기기 ····················· 194
3-1 피복아크 용접기기 ·························· 194
4. 피복아크 용접봉 ··················· 197
4-1 피복제의 역할 ································· 197
4-2 피복 용접봉의 종류 ························ 198
4-3 용접봉 표시기호 ······························ 199
4-4 용접봉의 보관 ································· 199
4-5 용접 ················································· 200
5. 아크용접 결함의 종류 및 방지대책 ···· 202
5-1 용접 결함의 종류 ···························· 202
5-2 용접부의 결함과 방지대책 ·············· 202

제3장 가스용접
1. 가스용접의 원리 ··················· 204
1-1 가스 용접법 ····································· 204
2. 용접용 가스의 종류 ················ 205
2-1 수소 ················································· 205
2-2 LP가스 ············································ 205
2-3 산소 ················································· 206
2-4 아세틸렌 ·········································· 206
3. 산소-아세틸렌 불꽃 ··············· 208
3-1 불꽃의 구성 ····································· 208
3-2 불꽃의 종류 ····································· 208
4. 가스용접장치 ····················· 210
4-1 산소-아세틸렌 용접장치 ················ 210
4-2 산소용기 ·········································· 210
4-3 가스관 ············································· 211
4-4 아세틸렌가스 발생기 ······················· 211
4-5 압력 조정기 ····································· 212
4-6 안전기 ············································· 212
4-7 역류, 인화 및 역화 ························· 212
4-8 용접 토치 ········································ 213
5. 가스용접 재료 ····················· 214
5-1 가스 용접봉 ····································· 214
5-2 용제 ················································· 214

제4장 전기저항 용접
1. 전기저항 용접의 개요 ··············· 215
2. 전기저항 용접의 종류 ··············· 215
2-1 점 용접 ············································ 215
2-2 심 용접 ············································ 216
2-3 프로젝션 용접 ································· 217
2-4 업셋 용접 ········································ 217
2-5 플래시 용접 ····································· 218

제5장 특수 아크용접
1. 불활성가스 아크용접의 개요 ·········· 219
2. 불활성가스 텅스텐 아크용접 ········· 219
2-1 TIG 용접의 원리 ···························· 219
2-2 TIG 용접의 극성 ···························· 220
2-3 특징 ················································· 221
3. 불활성가스 금속 아크용접 ··········· 221
3-1 원리 ················································· 221
3-2 용접 장치 ········································ 222
3-3 특징 ················································· 222
4. 서브머지드 아크용접 ··············· 222
4-1 원리 ················································· 222
4-2 용접 장치 ········································ 223
4-3 특징 ················································· 223
4-4 용접용 재료 ····································· 224
5. 이산화탄소 아크용접 ··············· 225
5-1 이산화탄소 아크용접의 원리와 분류 ················· 225
5-2 용접 장치 ········································ 226
5-3 용접용 재료 ····································· 227

제6장 그 밖의 특수 아크용접
1. 플라스마 아크용접 ················· 228
1-1 원리 ················································· 228
1-2 특징 ················································· 228
2. 테르밋 용접 ······················ 229
2-1 원리 ················································· 229
2-2 분류 ················································· 230
2-3 특징 ················································· 230
3. 일렉트로 슬래그 용접 ·············· 230
3-1 원리 ················································· 230
3-2 특징 ················································· 231
4. 가스 압접법 ······················ 231
4-1 원리 ················································· 231
4-2 분류 ················································· 232
4-3 밀착 맞대기법에 있어서 압접성에 미치는 요인 ·················· 232
4-4 특징 ················································· 232
5. 전자빔 용접 ······················ 232
5-1 원리 ················································· 232
5-2 특징 ················································· 233
6. 마찰 용접 ························ 233
6-1 원리 ················································· 233
6-2 분류 ················································· 234
6-3 특징 ················································· 234
7. 플라스틱 용접 ···················· 235
7-1 열풍 용접 ········································ 235
7-2 열기구 용접 ····································· 235
7-3 플라스틱 마찰 용접 ························ 235
7-4 고주파 용접 ····································· 235
7-5 플라스틱 용접의 종류 ····················· 236
8. 아크 점용접법 ···················· 236
8-1 원리 ················································· 236
8-2 분류 ················································· 237
9. 냉간 압접 ························ 237
9-1 원리 ················································· 237
9-2 특징 ················································· 237

제7장 납땜법
1. 납땜법의 원리와 분류 ·············· 238
1-1 원리 ················································· 238
1-2 분류 ················································· 238
2. 납땜재 ·························· 238
2-1 연납 ················································· 238
2-2 경납 ················································· 239
2-3 알루미늄 납 ····································· 239
3. 용제 ···························· 239
4. 납땜법 ·························· 240

제8장 용접 결함


제4편 열처리

제1장 강의 열처리
1. 열처리의 개요 ····················· 244
2. 가열과 냉각방법 ··················· 245
2-1 가열방법 ·········································· 245
2-2 냉각방법 ·········································· 245
2-3 냉각방법의 3형태 ···························· 247

제2장 열처리의 원리
1. 금속원자의 구조 및 결합방법 ········ 249
1-1 면심입방격자 ··································· 250
1-2 조밀육방격자 ··································· 250
1-3 체심육방격자 ··································· 250
2. 순철의 변태 ······················ 251
3. 철－탄소 평형 상태도 ·············· 252
4. 강의 현미경 조직 ·················· 255
4-1 페라이트 ·········································· 255
4-2 시멘타이트 ······································· 255
4-3 펄라이트 ·········································· 255
4-4 오스테나이트 ··································· 256
4-5 마텐자이트 ······································· 256
4-6 트루스타이트 ··································· 257
4-7 소르바이트 ······································· 257

제3장 열처리
1. 담금질(소입) ······················ 258
1-1 담금질 온도 ····································· 258
1-2 마텐자이트 변태 ······························ 259
1-3 담금질 작업 ····································· 260
2. 풀림(소둔) ······················· 268
2-1 풀림 방법 ········································ 269
3. 불림(소준) ························ 271
3-1 불림의 방법 ····································· 271
4. 뜨임(소려) ························ 272
4-1 뜨임조직과 온도 ······························ 272
4-2 심랭 처리 ········································ 273
4-3 저온 뜨임 ········································ 274
4-4 고온 뜨임 ········································ 275
4-5 뜨임 경화 ········································ 275

제4장 표면경화 열처리
1. 표면경화의 개요 ··················· 276
2. 표면경화의 종류 ··················· 276
2-1 침탄법 ············································· 276
2-2 질화법 ············································· 277
2-3 청화법 ············································· 278
2-4 화염 경화법 ····································· 278
2-5 고주파 경화법 ································· 278
3. 금속 침투법 ······················ 279
3-1 크로마이징 ······································· 279
3-2 칼로라이징 ······································· 279
3-3 실리콘나이징 ··································· 280
3-4 보로나이징 ······································· 280
3-5 기타 ················································· 280


제5편 측정과 수기가공

제1장 측정
1. 측정기의 개요 ····················· 282
1-1 측정 기구의 감도와 정도 ················ 282
1-2 측정 오차 ········································ 283
2. 길이 측정 ························ 284
2-1 자 ···················································· 284
2-2 버니어 캘리퍼스 ······························ 284
2-3 마이크로미터 ··································· 288
2-4 측장기 ············································· 290
2-5 하이트 게이지 ································· 291
3. 각도 측정 ························ 292
3-1 사인 바 ············································ 292
3-2 각도 게이지 ····································· 293
4. 비교 측정기 ······················ 294
4-1 다이얼 게이지 ································· 294
4-2 옵티미터 ·········································· 295
4-3 미니미터 ·········································· 296
4-4 전기 마이크로미터 ·························· 296
4-5 공기 마이크로미터 ·························· 296
5. 표준 게이지 ······················ 297
5-1 표준 블록 게이지 ···························· 297
5-2 표준 원통 게이지 ···························· 298
5-3 표준 테이퍼 게이지 ························ 298
5-4 표준 나사 게이지 ···························· 299
5-5 한계 게이지 ····································· 299
6. 기타 게이지류 ···················· 300
7. 나사 측정 ························ 302
7-1 나사 마이크로미터에 의한 측정 ····· 302
7-2 삼침법 ············································· 302

제2장 수기가공
1. 수기가공의 개요 ··················· 303
2. 금긋기 공구 ······················ 303
3. 정 작업 ························· 306
4. 줄 작업 ·························· 307
4-1 줄 ···················································· 307
4-2 날의 크기 ········································ 307
4-3 날의 형상 ········································ 307
4-4 줄 단면의 형상 ······························· 308
4-5 줄의 운동방향 ································· 308
4-6 절단작업 ·········································· 309
5. 스크레이퍼 작업 ··················· 310
5-1 평면 스크레이퍼 ······························ 310
5-2 곡면 스크레이퍼 ······························ 310
6. 금긋기 작업 ······················· 311


제6편 절삭가공

제1장 절삭가공 총론
1. 절삭의 개요 ······················· 314
1-1 절삭날에 의한 가공 ························ 314
1-2 입자에 의한 가공 ···························· 315
1-3 특수 가공 ········································ 316
2. 칩의 종류와 형태 ·················· 317
2-1 절삭 칩의 생성 ······························· 317
2-2 절삭칩 형태에 영향을 주는 인자 ··· 319
2-3 구성인선 ·········································· 320
3. 절삭 역학 ························ 321
3-1 절삭비와 절삭각 ······························ 321
3-2 절삭 저항과 힘의 평형 ··················· 322
3-3 전단응력 ·········································· 322
3-4 전단 변형률 ····································· 323
3-5 속도 ················································· 323
4. 절삭저항 ························· 324
5. 절삭동력 ························· 325
5-1 절삭속도 ·········································· 326
5-2 이송속도 ·········································· 326
5-3 절삭깊이 ·········································· 326
5-4 절삭 단면적 ····································· 327
6. 절삭온도 ························· 327
6-1 절삭온도의 발생과 분산 ················· 327
6-2 절삭속도와 절삭공구의 온도 ·········· 328
6-3 절삭온도의 측정 ······························ 329
7. 공구 수명 ························ 333
7-1 공구 수명의 개요 ···························· 333
7-2 공구 수명식 ····································· 334
7-3 공구 파손 ········································ 334
8. 공구 재료 ························ 336
8-1 공구 재료의 특성 ···························· 336
8-2 절삭공구의 재료 ······························ 337
9. 절삭제와 윤활 ···················· 343
9-1 절삭제 ············································· 343
9-2 절삭제의 종류 ································· 343
9-3 윤활 ················································· 345

제2장 선반
1. 선반의 개요 ······················ 348
2. 선반의 분류 및 종류 ··············· 349
2-1 선반의 분류 ····································· 349
2-2 선반의 종류 ····································· 349
3. 선반의 구조 ······················ 354
3-1 선반의 각부 명칭 ···························· 354
3-2 선반의 구조 ····································· 355
3-3 선반의 크기 ····································· 361
4. 선반용 부속품 ···················· 362
4-1 센터 ················································· 362
4-2 센터 드릴 ········································ 363
4-3 돌리개 ············································· 365
4-4 면판 ················································· 365
4-5 방진구 ············································· 366
4-6 심봉 또는 맨드릴 ···························· 366
4-7 척 ···················································· 367
5. 선반 바이트 ······················ 368
5-1 바이트의 형상 ································· 369
5-2 바이트의 중요 각도 ························ 369
5-3 바이트의 종류 ································· 371
5-4 바이트 설치 ····································· 373
5-5 바이트의 휨량 ································· 374
5-6 가공면의 거칠기 ······························ 375
5-7 칩 브레이커 ····································· 376
6. 선반 작업 ························ 376
6-1 센터 작업 ········································ 377
6-2 척 작업 ············································ 379
6-3 테이퍼 작업 ····································· 380
6-4 나사작업 ·········································· 384
6-5 선반의 절삭조건 ······························ 388

제3장 드릴링 머신
1. 드릴링의 개요 ····················· 393
1-1 드릴링 머신과 기본 작업 ················ 393
2. 드릴링 머신의 종류 및 구조 ········· 394
2-1 탁상 드릴링 머신 ···························· 394
2-2 직립 드릴링 머신 ···························· 395
2-3 레이디얼 드릴링 머신 ····················· 396
2-4 다축 드릴링 머신 ···························· 397
3. 드릴의 종류와 구조 ················ 397
3-1 드릴의 종류 ····································· 397
3-2 드릴의 각부 명칭 ···························· 398
3-3 드릴 절삭력 ····································· 399
3-4 드릴의 재연삭 ································· 399
3-5 드릴 각도 ········································ 400
3-6 드릴의 고정구 ································· 401
4. 드릴작업의 절삭조건 ··············· 402
4-1 절삭속도 ·········································· 402
4-2 이송 ················································· 404
4-3 절삭동력 ·········································· 404
5. 리밍 작업 ························ 405
5-1 리머의 종류 ····································· 405
6. 탭 작업 ························· 407

제4장 보링 머신
1. 보링 머신의 개요 ·················· 409
2. 보링 머신의 종류 ·················· 409
2-1 수평 보링머신 ································· 410
2-2 수직 보링머신 ································· 411
2-3 정밀 보링머신 ································· 411
2-4 코어 보링머신 ································· 411
2-5 지그 보링머신 ································· 412
3. 보링 공구 ························ 413
3-1 보링 바이트 ····································· 413
3-2 보링 공구대 ····································· 414

제5장 셰이퍼, 슬로터
1. 셰이퍼 ··························· 415
1-1 셰이퍼의 개요 ································· 415
1-2 셰이퍼의 종류 ································· 415
1-3 셰이퍼의 크기 ································· 416
1-4 셰이퍼의 구조 ································· 417
1-5 셰이퍼 작업 ····································· 419
2. 슬로터 ··························· 421
2-1 슬로터의 개요 ································· 421
2-2 램의 운동기구 ································· 422
2-3 테이블의 이송기구 ·························· 423

제6장 플레이너
1. 플레이너의 개요 ··················· 424
2. 플레이너의 종류 ··················· 424
2-1 쌍주식 플레이너 ······························ 424
2-2 단주식 플레이너 ······························ 425
2-3 특수형 플레이너 ······························ 426
3. 플레이너의 구조 ··················· 426
3-1 베드와 테이블 ································· 426
3-2 공구대 ············································· 426
3-3 크로스 레일 ····································· 427
4. 테이블의 왕복 기구 ················ 427
4-1 2개의 벨트에 의한 방법 ················· 427
4-2 워드 레오나드 장치에 의한 방법 ··· 427
4-3 나사축에 의한 방법 ························ 428
4-4 유압 운전 장치 ······························· 428
5. 플레이너 바이트와 고정공구 ········· 428
5-1 플레이너 바이트 ······························ 428
5-2 공작물 고정방법 ······························ 429
5-3 고정 공구 ········································ 430

제7장 밀링
1. 밀링 머신의 개요 ·················· 431
2. 밀링 머신의 종류 ·················· 432
2-1 니형 밀링 머신 ······························· 432
2-2 생산형 밀링 머신 ···························· 433
2-3 플레이너형 밀링 머신 ····················· 434
2-4 특수 밀링 머신 ······························· 435
3. 밀링 머신의 구조 ·················· 436
4. 부속장치 ························· 437
4-1 아버 ················································· 437
4-2 어댑터와 콜릿 ································· 438
4-3 바이스 ············································· 439
4-4 회전 테이블 장치 ···························· 439
4-5 슬로팅 장치 ····································· 440
4-6 수직 밀링장치 ································· 440
4-7 랙 밀링장치 ····································· 441
4-8 분할대 ············································· 442
5. 밀링 커터 ························ 442
5-1 밀링 커터의 종류 ···························· 442
6. 밀링 커터의 주요 공구각 ············ 445
6-1 밀링 커터의 각도 ···························· 445
6-2 날의 각부 작용 ······························· 446
7. 밀링가공의 절삭조건 ··············· 448
7-1 절삭속도의 선정 ······························ 448
7-2 절삭속도 및 이송 ···························· 448
7-3 절삭동력 ·········································· 449
7-4 절삭효율 ·········································· 450
7-5 절삭깊이와 절삭 폭의 선정 ············ 450
8. 밀링 절삭방법 및 분할법 ············ 451
8-1 상향절삭과 하향절삭 ······················· 451
8-2 백래시 제거장치 ······························ 452
8-3 분할작업 ·········································· 453
9. 밀링 가공법 ······················ 457
9-1 공작물 고정방법 ······························ 457
9-2 절삭공구 고정방법 ·························· 459
10. 밀링에서의 기어 절삭 ············· 459
10-1 치형의 커터 ··································· 459
10-2 평기어 절삭 ··································· 460
10-3 스파이럴 기어 절삭 ······················ 461
10-4 베벨 기어 절삭 ····························· 463

제8장 브로치 가공
1. 브로칭 머신의 개요 ················ 464
2. 절삭공구 및 절삭조건 ·············· 465
2-1 브로치 ············································· 465
2-2 피치와 날의 높이 ···························· 465
2-3 날의 각도와 형상 ···························· 466
2-4 절삭속도 ·········································· 466
3. 브로칭 머신의 종류 ················ 467

제9장 톱기계
1. 톱기계의 개요 ····················· 468
1-1 핵 소잉 머신 ··································· 468
1-2 원형 톱기계 ····································· 469
1-3 띠톱 기계 ········································ 470
1-4 절단 연삭기 ····································· 471

제10장 기어 절삭가공
1. 기어 절삭가공의 개요 ··············· 472
2. 기어의 종류 ······················ 472
3. 기어의 크기 ······················ 473
4. 기어 절삭법의 분류 ················ 475
4-1 형판에 의한 기어 절삭법 ················ 475
4-2 총형 공구에 의한 기어 절삭법 ······· 476
4-3 창성법에 의한 기어 절삭법 ············ 476
5. 기어 절삭기계의 종류 ·············· 477
5-1 호빙머신 ·········································· 478
5-2 기어 셰이퍼 ····································· 482

제11장 연삭기
1. 연삭기의 개요 ····················· 484
2. 연삭기의 구조와 종류 ·············· 485
2-1 바깥지름 연삭기 ······························ 486
2-2 센터리스 연삭기 ······························ 488
2-3 내면 연삭기 ····································· 490
2-4 평면 연삭기 ····································· 491
2-5 공구 연삭기 ····································· 492
2-6 특수 연삭기 ····································· 494

제12장 연삭숫돌
1. 연삭숫돌의 개요 ··················· 496
2. 연삭숫돌의 구성요소 ··············· 496
2-1 연삭숫돌 입자 ································· 497
2-2 입도 ················································· 498
2-3 결합도 또는 경도 ···························· 498
2-4 조직 ················································· 499
2-5 결합제 ············································· 499
3. 연삭숫돌의 표시방법 ··············· 502
4. 연삭의 절삭조건 ·················· 503
4-1 숫돌의 원주속도와 공작물의 원주속도 ············· 503
4-2 연삭 깊이 ········································ 503
4-3 이송 ················································· 504
4-4 연삭 여유 ········································ 505
4-5 절삭동력 ·········································· 505
4-6 연삭액 ············································· 505
5. 연삭숫돌의 수정법 ················· 506
5-1 자생작용 ·········································· 506
5-2 로딩(눈메움) ···································· 506
5-3 글레이징(무딤) ································ 506
5-4 드레싱 ············································· 507
5-5 트루잉 ············································· 508
6. 연삭숫돌의 설치와 균형 ············ 508
6-1 연삭숫돌의 설치 ······························ 508
6-2 연삭숫돌의 균형 ······························ 509
7. 연삭숫돌의 파괴 원인 ·············· 510

제13장 정밀 입자 가공
1. 래핑 ····························· 511
1-1 래핑의 개요 ····································· 511
1-2 랩 재료 ············································ 513
1-3 래핑입자와 래핑유 ·························· 513
1-4 래핑 작업조건 ································· 514
1-5 랩 작업방식 ····································· 514
2. 호닝 ····························· 514
2-1 호닝의 개요 ····································· 514
2-2 호닝 숫돌 ········································ 515
2-3 호닝 작업조건 ································· 516
3. 액체 호닝 ························ 516
4. 슈퍼 피니싱 ······················ 517
4-1 슈퍼 피니싱의 개요 ························ 517
4-2 숫돌 재료 ········································ 518
4-3 숫돌 압력 ········································ 518
4-4 공작물의 원주속도 ·························· 519
4-5 숫돌의 진동수와 진폭 ····················· 519
4-6 연삭유 ············································· 519
5. 폴리싱과 버핑 ····················· 519

제14장 특수가공
1. 초음파 가공 ······················· 521
2. 방전가공 ························· 522
2-1 개요 ················································· 522
2-2 방전기의 구조 ································· 523
2-3 방전가공의 원리 ······························ 524
2-4 방전 방식 ········································ 524
2-5 전극 재료 ········································ 526
3. 전해연마 ························· 527
4. 전해연삭 ························· 528
5. 화학연마 ························· 528
6. 숏 피닝 ·························· 529
7. 버니싱과 롤러 가공 ················ 529
8. 배럴 가공과 텀블링 ················ 531
9. 전조 ···························· 532
9-1 개요 ················································· 532
9-2 전조의 종류 ····································· 532
9-3 기어 전조 ········································ 533


제7편 CNC 공작기계

제1장 NC 공작기계
1. NC 공작기계의 개요 ··············· 536
1-1 NC의 역사 ······································ 536
2. NC의 구성 ······················· 537
2-1 NC 시스템 ······································ 537
2-3 DNC ················································ 539
2-4 FMS ·············································· 540
2-5 CNC의 경제성 ································ 540
3. 서보기구 ························· 541
3-1 NC의 서보기구 ······························· 541
3-2 서보기구의 형식 ······························ 541
3-3 DC 서보모터 ··································· 543
3-4 볼 스크루 ········································ 543
4. NC의 제어방법 ··················· 544
4-1 위치결정 제어 ································· 544
4-2 윤곽제어 ·········································· 545
4-3 아날로그와 디지털 ·························· 545

제2장 NC 프로그래밍
1. 프로그래밍의 기초 ················· 546
1-1 좌표축과 운동기호 ·························· 546
1-2 NC 테이프 ······································ 546
1-3 NC 테이프의 구성 ·························· 547
2. 프로그램의 구성 ··················· 548
2-1 프로그래밍의 정의 ·························· 548
2-2 수동 프로그래밍과 자동 프로그래밍 549
2-3 프로그램 구성 ································· 550
2-4 프로그램 작성 ································· 551
2-5 CNC 프로그램의 주요 주소 기능 ·· 551

제3장 CNC 선반
1. CNC 선반의 구성 ················· 557
1-1 구동모터 ·········································· 557
1-2 주축대 ············································· 558
1-3 유압척 ············································· 558
1-4 공구대 ············································· 558
1-5 심압대 ············································· 558
2. CNC 선반의 공구 ················· 559
2-1 초경합금 ·········································· 559
2-2 피복 초경합금 ································· 559
2-3 서멧 ················································· 559
2-4 세라믹 ············································· 560
2-5 CBN ················································ 560
2-6 다이아몬드 ······································· 560
3. 프로그램의 구성 ··················· 561
3-1 프로그램의 구성 ······························ 561
3-2 좌표계 설정 ····································· 562
3-3 주축기능 ·········································· 563
3-4 보조기능 ·········································· 564
4. 프로그래밍 ······················· 565
4-1 준비기능 ·········································· 565
4-2 사이클 기능 ····································· 568
5. 공구보정 ························· 579
5-1 공구보정 ·········································· 579
5-2 공구기능 ·········································· 579
5-3 수동으로 보정값 찾기 ··················· 580
5-4 보정값의 수정 ······························· 580

제4장 머시닝 센터
1. 머시닝 센터의 중요성 ··············· 581
1-1 머시닝 센터의 개요 ························ 581
1-2 자동공구 교환장치 ·························· 582
2. 3축 제어의 개요 ·················· 583
2-1 좌표어와 제어축 ······························ 583
2-2 좌표계 ············································· 583
2-3 공작물 좌표계 설정 ························ 584
2-4 절대좌표 지령과 증분좌표 지령 ····· 585
3. 머시닝 센터의 절삭조건 ············ 585
4. 프로그래밍 ······················· 586
4-1 준비기능 ·········································· 586
4-2 주축기능, 공구기능, 보조기능 ········ 589
4-3 고정 사이클 기능 ···························· 589
4-4 보조 프로그램 ································· 591
4-5 가공 프로그래밍 예제 ····················· 592