丸棒鋼用自動磁粉探傷装置の開発
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概要
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Recently customers have required round steel bars assured of the surface integrity. In order to fulfil such requirement, a new quality assurance system has been developed and already installed in the shop. It consists of a computerized flaw detector through fluorescent magnetic particles and a fully automatic grinding machine.At first the particle distribution is taken by CCD cameras. This image is processed and diagnosed by computers and then the surface defects are mapped out into the memory.Later they are removed from the surface through a grinding machine controlled by the computer.Employing the new system, round steel bars are guaranteed from the surface defects 0.1mm or more deep.
- 大同特殊鋼株式会社の論文