铸铁工作台 材质为高强度铸铁HT200-300,工作面硬度为HB170-240,经过两次人工处理(人工退火600度-700度或自然时效2-3年)因此该产品的精度稳定,耐磨性能好。
精度:按国家标准计量检定规程执行,分别为00、0、1、2、3和精刨六个等级
铸铁工作台的使用:铸铁工作台在使用磨损后,可以重新修刮恢复其精度。 铸铁工作台可用涂色法检验零件平面度,具有准确、直观、方便的优点。在经过刮研的铸铁工作台上推动表座、工件比较顺畅,无发涩感觉,方便了测量,保证了测量准确度。 铸铁平板的铸铁质量和热处理质量对平板使用性能产生较大影响:或因残存较大内应力使工作面变形;或因不耐磨损使精度不能保持;或因刮削困难得不到数值小的粗 糙度。因此使用铸铁工作台必须注意铸铁材料的选择,采用时效处理等方法消除铸铁平板的残余应力。
The cast iron surface plate serves as the measuring basis, which is used for inspecting the machinery parts`geometric tolerance such as flatness ,straightness ,etc.Also, it can be used to the scribbling , abrasive machining equipment installation and more.
The raw material of the cast iron surface table is the high -strength cast iron HT200-300 ,whose surface hardness is of HB170-240.After the two manual handing such as 600℃ to 700℃ artificial annealing as well as 2 to 3 years of natural aging, the T-slot has plate perfectly resists abrasion and has stable precision.
Precision accuracy:surface plates shall be classified as Grade 00,Grade0, Grade 1.Grade 2.Grade3 ,and finish polishing.
We can use the coloring method to insepct the flatness ,which is accurate , direct ans convenient.