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 marking platform Usually cast iron is used as the material, so the cast iron assembly platform is also called the cast iron assembly platform or assembly cast iron platform.Placing plate bearing is the cast iron assembly platform to bear the weight per unit area, the assembly plate deformation deflection.In order to facilitate understanding, We can see as the assembly plate put the workpiece after the assembly plate does not affect the normal use of the case, it can withstand the pressure, such as: 2000mm × 4000mm The mounting plate can be placed in weight 64Ton of the workpiece, the cast iron assembly platform bearing we can simply as: 64Ton ÷ (2Meter × 4Meter )=8Ton /Per square meter of course bearing and its actual design and the actual production and processing are also more closely related to the flat bearing and the length and breadth, rib structure, surface accuracy, weight, material requirements are inseparable. The People's Republic of machinery industry standards "JB / T7974-2001Requirements.

Cast iron marking platform Of the accuracy level to follow the general requirements of the accuracy of the cast iron platform, according to national standards metrological verification procedures, respectively 0, 1, 2, 3Four grades. Specifications, there are most of the common specifications of the cast iron platform, if you meet the special requirements of the specifications can be made according to the drawings or the requirements of the user specially made cast iron assembly platform can also be spliced ​​for large machinery and equipment Assembly, when an assembly platform can not independently assume the assembly work, it can be assembled on the block cast iron platform spliced ​​up to use.

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