Casting production process of ultrasonic test block

Abstract

The invention relates to a casting production process of an ultrasonic test block, which comprises the following steps: firstly, manufacturing a metal mold, and then, carrying out sand core operation, i.e. firstly, manufacturing each sand core split by using sand in a sand core mold box, wherein the sand core comprises quartz sand, quartz powder and fire clay; arranging cold iron in the position of on each sand core split corresponding to the thermal center of a cast; arranging a stepped pouring channel on the surface of each sand core split; bonding each sand core split to obtain the required sand core; assembling the sand core and the metal mold; carrying out casting operation, wherein the casting temperature is 1340-1380 DEG C, and the casting time is 30-50 seconds; insulating for 50-80 minutes to obtain the product, wherein the product yield is 50%-70%;and cooling and molding, and then, opening the mold to obtain the required ultrasonic test block. The invention is suitable for manufacturing metallic ultrasonic test blocks and has the advantages of higher casting quality, fine manufacturing process and better cast molding effect.

Description

technical field [0001] The invention relates to a production method of a test block, in particular to a casting production process of an ultrasonic test block, and is particularly suitable for integral casting of an ultrasonic test block made of metal. Background technique [0002] The function of the ultrasonic test block is to cooperate with the ultrasonic detector to detect the workpiece. Since the change of some external factors in the detection process will affect the detection sensitivity, it is necessary to use the ultrasonic test block to check at regular intervals during the detection process to ensure the constant detection sensitivity. The importance of the ultrasonic test block can be seen. Likewise, this places high demands on the manufacture of ultrasonic test blocks. [0003] The Chinese patent authorization announcement number is CN100367022C, and the invention patent issued on February 6, 2008 discloses an intelligent concrete test block and its production ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects and problems existing in the prior art that are not suitable for making metal test blocks, the manufacturing process is rough, and the casting quality is not high, and to provide a metal test block that is suitable for making metal test blocks, with fine manufacturing technology and high casting quality. Casting Production Process of High Ultrasonic Test Block