机械类常用技术要求中英文.docx

- - PAGE 10 - 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 plates 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 travel nitrogen-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。 Dimensional tolerances unless otherwise specified: One Place +-0.5 Two place+-0.30 Angles+-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 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 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 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 1.6 casting quality to conform with general motors standards and spec