| 摘要 |
FIELD: measurement technology. SUBSTANCE: plug gauge has body, check inserts made to go and not-go sizes, and elements attaching the inserts to body. It is mounted into holder for axial movement and spring-loaded. Flexible inserts are placed between check inserts and attachment elements. Serviceability and flaw indices as to go and not-go sizes are applied on body, and casing is provided with slots. Check inserts have circular grooves. EFFECT: extended technological capabilities; enhanced operational properties. 4 cl, 4 dwg øøø1
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