作者: Colin Cosson , Laurence E. Hopper
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摘要: Spark plug insulators are mounted vertically around the edge of a horizontal turntable. A screen printing head is arranged horizontally above print transfer drum that rotatable about axis. Pads relatively hard resilient material disposed drum. The brought down into contact with top, pad on drum, so takes up ink, and then rotated to vertical position. As turntable rotated, pair rollers urged by cam surface insulator, rolling insulator along take ink from pad. ceramic-based in thermoplastic carrier. heated passing current through conductive as render flowable, pads being maintain flowable until it deposited insulator.