机加工图纸有英语看不懂?不怕!史上最全翻译都在这里了
ALL WELDS CONTINUOUS UNLESS OTHERWISE STATED 未注焊缝均为连续焊 ALL WELDS 3mm FILLET UNLESS OTHERWISE STATED未注焊角高3mm.ALL UNSPECIFIED RADI - R3未注圆角R3REMOVE ALL BURRS AND SHARP EDGES棱角倒钝CHANNEL 槽钢RSA 708 角钢 70X70X8M30X1.5 pitch M30X1.5的锥螺纹Tackweld 点焊OD 1/4" outside dimension 1/4"的缩写 外径直1/4"75 CRS 尺寸为75 材质为冷轧钢板410 OPENING REF 410 开口参考尺寸40 REF 尺寸为40,参考值2.5" BSP 2.5” 圆锥管螺纹2.5" BSPT HEXAGON 2.5” 六角圆锥管螺纹(即对丝)30x2.5 FLAT BAR 30X2.5 扁钢TYP 2 POSNS 2处11 TOTAL COILS APROX.9 WORKING COILS APROX.RIGHT HAND WOUND ONLY,END COILS SQUARE TO TOUCH.总圈数约11圈;工作圈数约9圈;右旋;弹簧的端部磨平以便于接触.(此为弹簧技术说明)FEMALE: 内扣(母扣)MALE: 外扣(公扣)偏心轴 eccentric shaft销轴 PIN开口销 COTTER PIN螺杆 screw紧定螺钉 SET SCREW圆螺母 ROUND NUT内六角螺钉 SOCKET HEAD CAP SCREW六角螺钉 HEX HD SETSCREW六角螺栓 HEX HD BOLT 挡圈 closing ring弹性挡圈 circlip轴承隔套 distance sleeve of axletree轴承 axletree深沟球轴承 DEEP GROOVE BALL BEARING无扣长 non-buckle longth弹簧 SPRING吊环螺钉 LIFTING EYE BOLT开槽盘头螺钉 SLOTTED PAN HEAD SCREW圆锥滚子轴承 TAPERED ROLLER BEARING推力球轴承THRUST BALL BEARING平键 FLAT KEY弹簧垫圈 SINGLE COIL SPRING WASHER平垫圈 FLAT WASHER螺母 FULL NYLOCK NUT圆螺母 ROUND NUTREMOVE ALL BURRS AND SHARP EDGES 所有尖角/棱角倒角并去毛刺40 REF 为测量的参考尺寸OD 1/4’ outside dimension 1/4"的缩写 外径直1/4’------->应该为:外径值1/4"75 CRS 尺75 材质为冷轧钢板 ------->应该为:尺寸75 材质为冷轧钢板ACCESS Accessory 附件ADJ Adjustable,Adjust 调整ADPT Adapter 使适应ADV Advance 提前AL Aluminum 铝ALLOW Allowance 允许LT Alternate 改变ALY Alloy 合金AMT Amout 数量ANL Anneal 锻炼ANSL Amer Natl Stds InstituteAPPROX Approximate 大约 ASME Amer Society of Mech EngrsASSEM Assemble 装配ASSY Assembly 装配AUTH Authorized 授权的AUTO Automatic 自动的AUX Auxiliary 辅助的AVG Average 平均AWG American Wire GaugeBC Bolt Circle 螺栓圆周BET Between 之间BEV Bevel 斜角BHN Brinell Hardness Number 布氏硬度值BLK Blank ,Block 空白B/NM Bill of Material 材料费BOT Bottom 底部BP or B/P Blueprint 蓝图BRG Bearing 轴承BRK Break 破裂BRKT Bracket 支架BRO Broach 钻孔BRS Brass 黄铜BRZ Bronze 青铜B&S Brown&Shape 棕色&形状BSC Basic 基本的
BUSH Bushing 套管BWG Birmingham Wire GaugeC TO C Center-to-Center 中心到中心CAD Computer-Aided Drafting 电脑辅助设计CAM Computer-Aided MfgCAP Capacity 容量CAP SCR Cap Screw 螺帽CARB Carburize 使渗碳CBORE Counterbore 扩孔CCW Counter Clockwise 逆时针CDRILL Counerdrill CDS Cold-Drawn Steel
英文工程图纸的右下边是标题栏(相当于我们的标题栏和部分技术要求),其中有图纸名称(TILE)设计者(DRAWN)审查者(CHECKED)材料(MATERIAL)日期(DATE)比例(SCALE)热处理(HEAT TREATMENT)和其它一些要求,如:1)TOLERANCES UNLESS OTHERWISE SPECIFIAL 未注公差2)DIMS IN mm UNLESS STATED 如不做特殊要求以毫米为单位3)ANGULAR TOLERANCE±1° 角度公差±1°4)DIMS TOLERANCE±0.1 未注尺寸公差±0.15)SURFACE FINISH 3.2 UNLESS STATED 未注粗糙度3.2
2.1孔(HOLE)如:(1)毛坯孔:3"DIA+1CORE 芯子 3"0+1;(2)加工孔:1"DIA1";(3)锪孔:锪孔(注C'BORE=COUNTER BORE锪底面孔);(4)铰孔:1"/4 DIA REAM铰孔1"/4;(5)螺纹孔的标注一般要表示出螺纹的直径,每英寸牙数(螺矩)螺纹种类精度等级钻深攻深,方向等如:例1.6 HOLES EQUI-SPACED ON 5"DIA (6孔均布在5"圆周上(EQUI-SPACED=EQUALLY SPACED均布) DRILL 1"DIA THRO' 钻1"通孔(THRO'=THROUGH通) C/SINK22×6DEEP 沉孔22×6例2.TAP 7"/8-14 UNF-3B THRO'攻统一标准细牙螺纹,每英寸14牙,精度等级3B级(注UNF=UNIFIED FINE THREAD美国标准细牙螺纹)1"DRILL 1"/4-20 UNC-3 THD7"/8 DEEP 4HOLES NOT BREAK THRO 钻1"孔,攻1"/4美国粗牙螺纹,每英寸20牙,攻深7"/8,4孔不准钻通(UNC=UCIFIED COARSE THREAD 美国标准粗牙螺纹)1"-14NS-2THRO 攻美国固定特种螺纹M1",每英寸牙数14,精度等级为二级 (注NS=NATIONAL SPECIAL THREAD:美国固定特种标准)2.2倒角(CHAMFER)例1/8×45°BEV 倒角1/8×45°(注BEV=BEVEI,斜面) 1.5×45°CHAM 倒角1.5×45°(注CHAM=CHAMFER倒角)2.3方(SQUARE)例5"SQUARE5"×5"方2.4剖视(SECTION)例SECTION A-AA-A剖面2.5圆角半径例1"RR1"RADIUS MUST BE SMOOTH AND BLEND INTO FACE圆弧必须光滑且与平面相切2.6加工余量例DOTTED LINES INDICATED MAX FINISH 1"/8,虚线表示最大加工余量1"/82.7零件标记例USE 5"/16 RAISED HAIRLINE LET-TERS MARKING ON ONE SIDE OF BODY用突起高为5"/16的细实线字母在本体一侧打标记
例1.FORGING MUST BE ANNEALED TO BE BELOW 203 BRINELL HARDNESS 锻件必须退火处理,布氏硬度<203 例2.NORMALIZE TO 163-207BHNMUST BE FREE OF SCALE & RUST锻件正火处理,布氏硬度163-207,锻件表面不得有氧化皮和锈蚀例3.FORGING TO BE SHOT OR SAND BLASTED锻件需经喷丸或喷砂处理例4.UNLESS OTHERWISE SPECIFIED DRAFT ANGLES 7°未注明锻造拔模斜度7°例5.CAST TO BE FREE OF EXCESSIVE FLASH 铸件不得有过多的毛边例6.DRAFT ANGLE 2° UNLESS OTHER-WISE SPECIFIED 未注明铸造拔模斜度2°总之,看英文机械工程图纸并不是高不可攀,只要坚持常看,熟记部分单词即可。来源:机械工程师精英
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