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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M30X1.5 pitch M30X1.5的锥螺纹OD 1/4" outside dimension 1/4"的缩写 外径直1/4"410 OPENING REF 410 开口参考尺寸2.5" BSPT HEXAGON 2.5” 六角圆锥管螺纹(即对丝)30x2.5 FLAT BAR 30X2.5 扁钢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)内六角螺钉 SOCKET HEAD CAP SCREW轴承隔套 distance sleeve of axletree
深沟球轴承 DEEP GROOVE BALL BEARING
开槽盘头螺钉 SLOTTED PAN HEAD SCREW 圆锥滚子轴承 TAPERED ROLLER BEARING 弹簧垫圈 SINGLE COIL SPRING WASHER REMOVE ALL BURRS AND SHARP EDGES 所有尖角/棱角倒角并去毛刺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 ANSL Amer Natl Stds Institute APPROX Approximate 大约 ASME Amer Society of Mech Engrs BHN Brinell Hardness Number 布氏硬度值B/NM Bill of Material 材料费
BWG Birmingham Wire Gauge C TO C Center-to-Center 中心到中心CAD Computer-Aided Drafting 电脑辅助设计 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±0.1 5)SURFACE FINISH 3.2 UNLESS STATED 未注粗糙度3.2(1)毛坯孔:3"DIA+1CORE 芯子 3"0+1;(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)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)RADIUS MUST BE SMOOTH AND BLEND INTO FACE例DOTTED LINES INDICATED MAX FINISH 1"/8,虚线表示最大加工余量1"/8 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
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