TYPE (mm) Flatnessofworkingsurface Parallelismbetweenvslotandbottomsurface Parallelismbetweenvslotandsidesurface Parallelismbetweenvslotandsidesurfac

base plate functional: Made according to sandard JB/T7974-99 , rib type or case type ,recangle/round surface , working surface made by skiving ,groov

Hebei Zhixin Machinery Manufacture Group Co., Ltd. based on coke oven care equipment, metallurgical equipment, machine tools and its annex, plateform

cast iron plateform material HT200-300,usded to test the perpendicularity and parallelism , and can be used a verfication standard of 90°. We hav

Material:Made from closed grained cast iron of HT 200-300 . Hardness between 170-240 BHN Two times manual processing (Artificial annealing 600 -700

Hebei Zhixin Machinery Manufacture Group Co., Ltd. based on coke oven care equipment, metallurgical equipment, machine tools and its annex, plateform

Applications: Used as fixture bases or surface plates.Fitters use them to debug , accemble ,and maintenance equipment. Material:Made from closed grai

Applications:It is precision measuring tools made of natural granite.It is the necessary datum to detection of instrumentations, precision insturment

Granite mainly consists of pyroxene,pkaguickase,a small amount of olivine ,biotite and micromagetite.Its structure is hard and compact.It has solidif

The platform measuring instrument, the heavy casting, the heterogeneous equipment, the planer-type milling machine, the table planer, the face miller