Cast iron platform included : Three-dimensional flexible welding base platform, crossed platform, the basic platform, grinding platform, riveting platform, standard crossed platform, bench pliers, T-slot platform (T-slot plate) Inspection platform, assembly-level, welding platform, and other cast iron measuring products.

Material: cast iron plate using HT200-300 casting, material ingredients ingredients and ingredients according to the following criteria (%): carbon: 3.1-3.4, manganese: 0.6-0.9, silicon: 1.5-2.0, sulfur <0.12, phosphorus < 0.3. Hardness> 180, the second tempering treatment.

Cast iron plate (cast iron platform) working surface should not have sand holes, pores, cracks, slag and shrinkage and other casting defects.Plastic cast iron platform surface should be removed sand, and the surface smooth, painted solid. Blunt chamfering: For holes with a diameter less than 15 mm, the same material should be used for plugging on flat working surfaces with an accuracy class lower than 0. The hardness should be lower than that of the surrounding material. More than four, the distance between each other should not be less than 80mm. Cast iron platform accuracy 0-3 level of the face should be used scraping process, planing surface roughness of the surface according to the arithmetic mean deviation of the Ra value should not be greater than 5um cast iron Platform flatness: can be divided into laboratory level, calibration level, tool room level, three.

For the specifications of the cast iron plate is greater than 1000 × 1000, due to bear too much load, tilting may occur overturned, in addition to the main bearing outside the need for additional two or more auxiliary support.The design of auxiliary support to increase the rigidity of cast iron has a very Large role, can effectively prevent the cast iron plate overturning and deformation.

Cast iron platform with the support of the number of support should be depending on the size of the cast iron plate size, the use needs to be determined, but the cast iron plate test and the use of auxiliary support position should be the same design drawings, which ensure reasonable cast iron plate support layout.

As the flatness of cast iron flatness error is measured in the state without load, the examiner to cast iron plate placed in the same process of manufacturing the fulcrum to measure.Therefore, the provisions of manufacturing, testing, use all to 1, 2, 3 cast iron platform for the main bearing point, with the level of the cast iron platform plate transferred to the level of 4,5 points or (and) 6,7 points for the support point, to ensure the use of cast iron platform.

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