تست بلوک کنترل کیفیت مایعات نافذ PT

تست بلوک کنترل کیفیت مایعات نافذ PT

تست بلوک تست pt براساس استانداردPratt & Whitney TAM drawing 146040 یکی از مشهورترین روش ها برای پیدا کردن ترک قطعه در صنعت کاربرد دارد
درسالهای اخیر این روش یکی از کم هزینه ترین  ودرعین حال به صرفه ترین با دقت مطلوبی انجام میشود.

تست بلوک هافمن(Hoffmann) ساخت کشور آلمان میباشد دارای ضخامت 2.5میلیمتر و متریال آن استنلس استیل میباشد.الگویی ترک آن بصورت ستاره ای میباشد.

System Performance Check

Penetrant test panels based on the Pratt & Whitney TAM drawing 146040 are one of the most popular industry approved methods of performing system performance checks on DPI systems. In recent years reliable TAM panels have become notoriously difficult to get hold of since one of the few Pratt & Whitney approved manufactures has stopped producing them due to their inability to make consistent panels.

Pratt & Whitney Approved (146040)

Hoffmann are a recently Pratt & Whitney approved manufacturer of TAM panels. Made with German precision the Hoffmann TAM panel is a 2.5mm thick stainless steel plate with half the test surface hard coated with a micro thin chrome alloy. The chrome coloured half contains five controlled and evenly spaced cracked centers – With the cracked centers in a circular pattern forming 5 star-like shapes.

The non-coated side is grit blasted to give a roughness (Ra = 2.0) and is for testing the washability* of penetrant and for performing background tests.

*Washability is the visual assessment of excess penetrant removal.

Versions Available

Grit Blasted – Has a chrome strip which has been lightly grit blasted in order to dull the surface.

Smooth – The chrome plated strip is not grit blasted.

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TESTBLOUK PT-DIDINDT-PDF