常用技术要求before the feeding control and the wind meets the tube welding, to the good center, in the hole guaranteed that ¢204 the pipeline can pass through. the进料接管和出风接管焊前对好中心，内孔保证￠204管道能穿过。

welding uses the manual arc welding, welding rod trademark J420G. before the焊接采用手工电弧焊，焊条牌号J420G。

painting, must carry on the superficial stain removal, the elimination welding residual and so on, its quality scale sees JB/T5000.12 the stipulation; Prime, in Huang He the blue color (according to color model) the polyurethane finishes two. Besides various laps spread the yellow paint, other spread the blue color. In the paint does not allow to contain the lead. Does not allow to have leaks flaws and so on paint, wrinkle paint. 涂装前要进行表面除锈、清除焊接残渣等，其质量等级见JB/T5000.12的规定；涂底漆一层、中黄和中蓝色（按颜色样板）聚氨酯面漆二层。

除各盖板涂中黄漆外，其余均涂蓝色。

漆中不允许含铅。

不允许有漏漆、皱漆等缺陷。

sealants and so on lap like seal lax available CH107, JLC-1 spread in the slit main point. on盖板如密封不严可用CH107,JLC-1等密封胶涂在缝隙大处。

terminal plate's six studs install in the dust cover when the MRM80.5.1 dustproof Taiwan welds. after the两端板上的六个螺柱安装防尘罩中MRM80.5.1防尘台时焊接。

overall width treats buys shakes hand, determined.总宽度待买来拉手后确定。

Should be free from burrs &voids.不允许有毛刺及裂缝；Should be free from tooling marking.0.0127mm min zinc with yellow chromate.Anneal:Temp 1250°F,belt speed-2min 00sec/ft travelnitrogen-250cu.ft/hr or 5min in a temp 1022-1076°F with box furnace.退火处理：温度1250°F，以2分钟/英尺的速度通过250立方英尺/小时注氮的热处理箱炉，或在1022-1076°F的箱炉中加热5分钟；Dipper bright.表面浸镀光亮。

1. Dimensional tolerances unless otherwise specified:One Place------------------+-0.5Two place------------------+-0.30Angles----------------------+-1.0度尺寸公差（除非有特殊要求）：一处----------------------- +-0.5两处 ----------------------+-0.30角度 ----------------------+-1.0度2. Casting tolerances apply to the location of cast outline features located with basic dimensions铸件公差应用于根据基准尺寸规定的铸件轮廓特征3．Casting to be free from oil,grit,dirt and loose particles.铸件应该没有油污、砂砾、污垢、零散颗粒4．Porosity holes to be max 2.3 diameter by 1.6 deep.多孔结构的孔的最大直径2.3 深1.65. casting quality to conform with general motors standards and specifications.铸件的质量应与一般马达的标准和规格一致。

general motors 也有通用汽车的意思。

6. Casting tolerances are not cumulative.铸件公差不是渐增的7.casting tolerances unless otherwise specified:0.0 to 75.0 ------------------------------- +-0.7575.0 to 200.0 ---------------------------- +-1.15draft angles ------------------------------2度fillet radii --------------------------------3.0corner radii ------------------------------3.0all walls & ribs ------------------------- 4.5铸件公差（除非有特殊要求）：0.0—75.0-------------------------+-0.7575.0—200.0----------------------+-1.15草拟角度------------------------- -2度内圆角半径---------------------------3.0圆角半径---------------------------3.0所有肋板---------------------------4.58.Material cast iron per GM274M grade 205材料：铸铁由GM274M 等级205材料铸造9.restricted and reportable substances for parts per GMW 3059 有限制要求的和需要声明的部件的材料，由GMW3059铸造10.Must comply with QP-I.6-009 for production and QP-I.6-004 for Prototypes.必须依照QP-6.I-009产品和QP-I.6-004原型生产MODEL REV G.1 DRW REV G.0 MODEL RL MASS KG=0.356 DRW RL模型版本G.1 图纸版本G.0 RL型模块质量0.356KG RL型图纸superficial galvanization/heat treatment表面电镀/热处理other have not poured the bevel edge are r1其余未注倒角为 r1elimination fragments the去除毛边material quality: skd11材质：skd11quantity: 12pcs6数量：12pcsspecification技术要求has not poured the surface roughness is未注表面粗糙度为THREADS MUST BE FREE OF DEBRIS.螺纹处无毛刺.1 标题栏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 常见尺寸的标注及要求2.1 孔（HOLE）如：1）毛坯孔：3"DIA+1CORE 芯子Φ3"0+1;2）加工孔：1"DIA 孔Φ1"3）锪孔：锪孔 (注C＇BORE=COUNTER BORE锪底面孔);4）铰孔：1"/4 DIA REAM 铰孔Φ1"/45）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"DIA6孔均布在5圆周（EQUI-SPACED=EQUALLY SPACED均布）DRILL 1"DIATHRO＇钻Φ1"通孔（THRO＇=THROUGH通）螺纹孔的标注一般要表示出螺纹的直径，每C/SINK Φ22×6DEEP沉孔Φ22×6例2. TAP7"/8-14UNF-3B THRO 攻统一标准细牙螺纹，每英寸14牙，精度等级3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钻孔，攻Φ1"/4美国粗牙螺纹，每英寸20牙，攻深7"/8,4孔为盲（UNC=UCIFIED COARSE THREAD 美国标准粗牙螺纹）1"-14NS-2 THRO -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"SQUARE 5"×5"方2.4 剖视（SECTION）例SECTION A-A A-A剖面2.5 圆角半径例 1"R R1"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3 关于铸锻件的技术要求例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°4、热处理(heat treatment)例1. HT 30T gear teeth 3mm min below root dia40-50HR热处理：感应淬火，在齿轮根径以下的3mm至少是,40-50HRC1.5min case deptp 层深度最小1.5例2. casting to be free from de-carburisation to allow for post selective hardening to 45-55 rockwell铸件需防止脱碳随后局部淬火到45-55洛氏硬post selective Hardening随后淬火例3. HEAT TREATMENT: 热处理：HRU HARDEN AND TEMPER TO 41-45 HRC淬火并回火至HRC41－45PREHEAT: 预热FROM ROOM TEMPERATURE, RAMP UP TO 1200 DETREES F (650 DETREES C) AND SOAK AT TEMPERATURE FOR 45 MINUTES.从室温缓慢升至华氏1200度（650 氏度），保温45分钟HARDENING:硬化：FROM 1200DETREES F (650 DETREES C), RAMP UP TO 1555 DETREES F (845 DETREES C) AND SOAK AT TEMPERATURE FO R 45MINUTES.从华氏1200度（650摄氏度）加热至华氏1555度（845摄氏度）保温45分钟QUENCH: 淬火：IN OIL, AS-QUENCHED HARDNESS 53-55 HRC.油淬，淬火后硬度53-55 HRCEMPER:回火：600DETREES F (315 DETREES C) FOR TWO HOURS 在华氏600度（315 摄氏度）下保温2小时NOTE: 注意：DECARBORATION MUST BE PREVENTED BY USING ENTHER VACUUM FURNACE OR CONTROLLED ATMOSPHERE.必须防止脱碳，可使用真空炉或者可控气氛炉4.4 常见的热处理方式:Tempering回火 Annealing 退火 Nnormalising 正火Hardening淬火Case carburising渗碳 Case Hardening表面淬火nitriding氮化aging 时效处理 induction hardening 感应淬火impedance matching 感应淬火 hardening and tempering 调质常见的冷却方式：air cooling 空冷 furnace cooling 炉冷oil cooling 油冷5、常见的表面处理 (surface treatment) Coating for casting/铸件喷涂1). Normal painting 普通喷漆2). Powder painting 粉末喷漆3).Galvanize (galvanization) 电镀镀锌4).Zinc coating 镀锌5).Cataphoretic coating 电泳敷层 KTL (德语：Kathodische Elektrotauchlackierung )6). Hot dipping 热浸镀7). Bluing 发蓝，black 发黑8). Thermal spraying 热喷涂9).Electrostatic spraying 静电喷涂10).Aqueous rust preventive 防锈水11). Rust preventive oil 防锈油12).Oxiron painting 金属漆13)．Epoxy resin plastic powder painting 环氧树脂型塑料粉末喷漆14). descaling 除污，除氧化皮等 black oxide coating 氧化发黑6.焊接(welding）6.1）焊接工艺常见的三个词汇WPS: welding procedure specification 焊接工艺规程(范)SWPS: standard welding procedure specification 标准焊接工艺规程(范) PQR: procedure qualification record 工艺评定记录6.2）常见的焊接方式spot welding 点焊 corner （或fillet） welding 角焊seam welding 缝焊例：ALL WELD PROCESSES TO BE CONDUCTED IN A FLAT （1F）、（2F） OR （1G）POSITION这些位置来自于AWS规范，其中1F指船型位置的角焊，即平焊；2F指平角焊，是横焊位置；1G指平位置的坡口焊。