本次修訂的主要內(nèi)容：1.章節(jié)結(jié)構(gòu)的調(diào)整；修改了原規(guī)范的章、節(jié)名稱和機(jī)床的名稱。2.修改和調(diào)整了部分金屬切削機(jī)床的幾何精度檢測方法和允許偏差；3.增加了重型深孔鉆鏜床和小型組合機(jī)床的安裝。

GB50271-2009······1

1 總則······10

2 基本規(guī)定······11

3 車床······17

3.1 單軸縱切、臥式多軸自動(dòng)車床······17

3.2 回輪、轉(zhuǎn)塔車床······17

3.3 單柱、雙柱立式車床······20

3.4 臥式車床······23

3.5 重型臥式車床······26

4 鉆床······35

4.1 搖臂鉆床······35

4.2 立式鉆床······37

5 鏜床······39

5.1 重型深孔鉆鏜床······39

5.2 坐標(biāo)鏜床······49

5.3 臥式銑鏜床······53

5.4 落地鏜床、落地銑鏜床······58

5.5 刨臺(tái)臥式銑鏜床······58

5.6 精鏜床······68

6 磨床······72

6.1 無心外圓磨床······72

6.2 外圓磨床······72

6.3 內(nèi)圓磨床······73

6.4 導(dǎo)軌磨床······74

6.5 刀具刃磨床······82

6.6 平面、端面磨床······84

6.7 立式內(nèi)圓珩磨機(jī)······86

7 齒輪加工機(jī)床······87

7.1 錐齒輪加工機(jī)······87

7.2 滾齒機(jī)······87

7.3 剃齒機(jī)······89

7.4 插齒機(jī)······89

7.5 花鍵軸銑床······91

7.6 齒輪磨齒機(jī)······93

8 螺紋加工機(jī)床······94

8.1絲錐磨床······94

8.2 螺紋磨床······94

8.3絲杠車床······96

9 銑床······98

9.1 龍門銑床······98

9.2 平面銑床······104

9.3 升降臺(tái)銑床、搖臂銑床、萬能工具銑床······106

10 刨插床······107

10.1 懸臂刨床、龍門刨床······107

10.2插床······112

10.3 牛頭刨床······114

11 拉床······115

11.1 立式內(nèi)拉床······115

11.2 臥式內(nèi)拉床······116

11.3 立式外拉床······118

12 鋸床······120

13 特種加工機(jī)床······121

14 組合機(jī)床······122

14.1 鉆鏜組合機(jī)床······122

14.2 銑削組合機(jī)床······124

14.3 攻絲組合機(jī)床······125

14.4 小型組合機(jī)床······127

14.5 組合機(jī)床自動(dòng)線······129

15 工程驗(yàn)收······133

附錄A 本規(guī)范適用的金屬切削機(jī)床范圍······134

附錄B 直線度偏差值的計(jì)算······137

本規(guī)范用詞說明······138

附:條文說明······140

1 總則······143

2 基本規(guī)定······145

3 車床······148

3.1 單軸縱切、臥式多軸自動(dòng)車床······148

3.2 回輪、轉(zhuǎn)塔車床······148

3.3 單柱、雙柱立式車床······149

3.4 臥式車床······149

3.5 重型臥式車床······149

4 鉆床······150

4.1 搖臂鉆床······150

4.2 立式鉆床······150

5 鏜床······151

5.1 重型深孔鉆鏜床······151

5.2 坐標(biāo)鏜床······151

5.3 臥式銑鏜床······153

5.4 落地鏜床、落地銑鏜床······154

5.5 刨臺(tái)臥式銑鏜床······155

5.6 精鏜床······156

6 磨床······157

6.2 外圓磨床······157

6.4 導(dǎo)軌磨床······157

6.5刀具刃磨床······157

6.6 平面、端面磨床······158

6.7 立式內(nèi)圓珩磨機(jī)······159

7 齒輪加工機(jī)床······160

7.1 錐齒輪加工機(jī)······160

7.2 滾齒機(jī)······160

7.3 剃齒機(jī)······160

7.4 插齒機(jī)······160

7.5 花鍵軸銑床······161

7.6 齒輪磨齒機(jī)······161

8 螺紋加工機(jī)床······162

8.1 絲錐磨床······162

8.2 螺紋磨床······162

8.3 絲杠車床······162

9 銑床······163

9.1 龍門銑床······163

9.2 平面銑床······164

9.3 升降臺(tái)銑床、搖臂銑床、萬能工具銑床······164

10 刨插床······165

10.1 懸臂刨床、龍門刨床······165

10.2 插床······165

10.3 牛頭刨床······165

11 拉床······167

11.1 立式內(nèi)拉床······167

11.2 臥式內(nèi)拉床······167

11.3 立式外拉床······167

12 鋸床······168

13 特種加工機(jī)床······169

14 組合機(jī)床······170

14.2 銑削組合機(jī)床······170

14.3 攻絲組合機(jī)床······170

14.4 小型組合機(jī)床······170

14.5 組合機(jī)床自動(dòng)線······171

15 工程驗(yàn)收······172