常用技术要求中英对照.doc

PAGE 钢板和型材要求平直。 1. The plates and section steels profiled bar must be straight and flat. 用E4303焊条连续焊接，除注明者外，其余焊缝高度均为10~15mm。 2. Weld continuously with electrode welding rod E4303. The seams shall be 10~15mm high unless otherwise specified. 焊后消除内应力，矫正变形，然后加工。 3. Relieve the internal stress after welding, rectify the deformation before processing. 4.材料下料加工 。 4. Blanking processing. 1.热处理HB=156~207， Heat treatment HB =156~207. 表面淬火HRC=35~45。 Surface quenching HRC=35~45. 2.棱角倒钝。 Edges and corners are chamfered. 弹簧性能应符合负载曲线图的要求。 1. The spring properties shall be in accordance with the load curves. 弹簧的制造精度等级II级。 2. The springs are manufactured to accuracy degree II. 锐角倒圆R0.5。 3. Acute angles are blended Round the corners R0.5. 热处理HB290～325。 4. Heat treatment HB290~325. 锻件不应有夹层、折叠、裂纹、结疤、夹渣等缺陷。 1. No defects such as overlaps，folding, crack, scar or inclusions are allowed for forgings. 加工表面不应有沟痕，碰伤等损坏零件表面，降低零件强度及寿命的缺陷。 2. No defect degrading reducing the component strength or service life shall be allowed on the machined surfaces (e.g. grooves, bruise). 经过精加工的配合表面不应有退火现象。 3. No annealing phenomenon is allowed on the finish machined matching surfaces. 表面淬火 4. Surface quenching . 1. 图中所有润滑管和分配器位置均为示意图,安装时根据实际情况进行布置. 管路尽量少用连接元件,管子的最小弯曲半径为管径的4倍(R≥d).弯曲处应 保证油路畅通。弯扁率小于15%。 1. The positions of all lubrication pipes and distributors in the drawing are only typical. Arrangement shall be made based on the actual conditions during installation. The connectors in piping shall be minimized and the min. bending radius shall be 4 folds of the pipe diameter (R?d). The oil passage shall be smooth and free at the turn the corner 。bending with deflection rate less than 15%. 2. 分配器支架等将根据现场情况焊于钢结构上。 2. The distributor supports, etc. shall be welded on the steel structures according to site situations. 分配器和管路应尽量靠近设备安装,管夹的配备根据现场实际情况所需确定. 4. The distributors and piping shall be installed as close as possible to the equipment. The pipe clamps shall be provided mo