In the trial production process of a new product, we encountered a measurement problem with high verticality error requirements. The main part of the product has a verticality error of 0.008 mm on the adjacent sides of the product, which is to ensure that the part reaches this technology. It is required that the precision reserve should be considered in the design of the factory installation. Therefore, a higher verticality requirement is proposed for the "rectangular positioning block" in the mold, and the value is 0.002 mm. When machining on a surface grinder, the workpiece is clamped by a universal pliers, and the angle can be adjusted arbitrarily, but the measurement accuracy requires such a high verticality error, which is very difficult. Later we used the reading precision
Full hydraulic hydrostatic testing machine for steel diameter from φ25mm to φ3600mm, is one of main product in our company, which is used for pressure test of steel pipe and stress elimination in pipe body.
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