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(1) Cast iron surface plate description In recent years, due to some of the private enterprise to join, cast iron surface plate yields markedly increased, cast iron surface plate used in small enterprise has some changes too . Due to the development of China's industry,cast iron surface plate of expanding ceaselessly as the demand that comes from domestic market. (2)Things to not Lifting norms: surface plate according to the national standard design and production, In the process of lifting platform to press the hoisting firmly , lest danger occurs. (3)Maintenance The material of surface plate is HT200-300.after your using ,pls daub rust-proof to avoid rust. (4)Installation and adjustment When used surface plate ,you should first installation debugging,then you can use it . No significance work on surface plate if they aren't properly positioned .Surface plate should setup on level off, firm without shock place .pls first put the pad iron down ,then put the surface plate on the pad iron ,removal the wooden case and oil . Measurement with the levelness of the surface plate ,when the surface plate isn't level ,pls adjust the pad iron .( In the process of adjusting attention to safety) (5)Instructions When put the surface plate horizontal ,pls clean it with Gasoline. Put the inspecting workpiece on the surface plate lightly . With the instrument to measure, assembling, welding and so on .Note : Avoid strong collision between workpiece and surface plate face . (6)Ordering instructions Technical requirements for designing the surface plate should be accordance with “The People's Republic of China Machinery Industry Standard” JB/T 79742000, and also based on real design requirements of cast iron plate.In the using requirements of national standard and business standard and cast iron surface plate, the technical requirements can be appled according to the actural use. The most economical the best use effect is the principle of design requirements for cast iron surface plate. (7)Product defect There are some product defects of cast iron surface plate come out during the production, but we could have technical remedy by the suitable method. The working surface defect of cast iron plate is a important part which can not be ignored. The main defects of cast iron plate are air hole, sand hole, folder sand, shrinkage etc. There is detailed treatment regulation about cast iron plate defects in “The People's Republic of China Machinery Industry Standard” JB/T 79742000. The using life of cast iron surface plate has a close relationship with defect remedy, so all the defects remedy should be strictly according to the technical treatment requirements. specification (mm)123precision grade (um)200×200102050300×200122460300×300122460300×400122460400×400122460400×600142870500×500142870500×600142870500×800163280600×800163280600×9001632801000×7501836901000×10002039961000×120020401001000×150024481201000×200026521301500×200028561401500×250032641521500×3000701742000×3000741842000×4000882192500×3000791862000×45002372000×50002552000×60002923000×6000308