Inspection cast iron surface plate’

Inspection cast iron surface plate’s Applications: The surface use scratching technology and it can be used in any kinds of testing work and can measure parts precisely .At the same time ,it can be used to test and measure benchmark, test parts' size precision and deviation and scribe lines.The feature s of it are high precision and wear-resistant.

Inspection cast iron surface plate’s Surface test: Spread colours on the surface and count spots in 25mm2 ≤25 spots of Gr 0 and Gr 1 Surface Plate ≤20 spots of Gr 2 Surface Plate ≤12 spots of Gr 3 Surface Plate Inspection cast iron surface plate’s Precision: Generally as per JB/T7974-99.Flatness accuracy as per Gr0 ,Gr1,Gr2,Gr3 of JB/T7974-99 Inspection cast iron surface plate’s Material:Made from closed grained cast iron of HT 200-300 .

Hardness between 170-240 BHN Inspection cast iron surface plate’s Spercification: 200mm×200mm-2000mm×4000mm(we can produce and process these products according to the customers’ drawings or requirements) Inspection plate Made according to standard JB/T7974-99 Usage :lineation , test ,rubbing ,measurement Grade:0-3 Type(mm) Precision Grade(μm) 1 2 3 Final machining（精刨） 1000*750 18 36 90 1000*1000 20 39 96 1200*1000 20 39 96 1500*1000 24 48 120 2000*1000 26 52 129 2000*1500 56 140 2000*2000 60 152 230 3000*1000 168 248 3000*1500 174 254 3000*2000 184 275 4000*2000 219 310 4000*3000 240 360 6000*3000 308 460