Www.thjmjt.com use cast iron platform platform: cast iron platform suitable for a variety of inspection, precision measurement of the reference plane; mechanical testing benchmarks for machine; check the dimensional accuracy of parts or shape deviation, and as close plan line, in the machinery manufacturing lack of basic tools are not available. Usually made of box-type, square, circular, rectangular shape. Surface quality of cast iron platform test: test using hair coloring. 0 1 plate on each side of not less than 25 points within a range of 25 mm square, 2 less than 20 points, three less than 12 points. Cast iron platform specifications: Common specifications: 200 × 200,200 × 300,300 × 300,300 × 400,400 × 400,400 × 500,400 × 600,500 × 500,500 × 600,500 × 800,600 × 800 , 600 × 900,1000 × 750,1000 × 1000,1000 × 1500,1000 × 2000,1500 × 2000,2000 × 3000,2000 × 4000 greater or smaller than this size can be custom drawings.