Frame for Shadow Mask

Frame for Shadow Mask is the one of Metal Inner component of Braun Tube, It fixes the shape of Frame and must be maintained it's shape after STABI. It designed to stand a high-temperature within a Braun Tube Fe3 O4 for preventing oxidation and absorption of heat during a processing after Pressing work of cold rolled steel plate. STABI-Stabilize procedure for MF Assembly. Heat with certain temperature which get rid of internal stress within inner component to make strength balance between glass panels and inner components.( maintain temperature : more than 400°C, maintain time : 30 +/-3min.) products table Assortment (inch) a(mm) b(mm) c(mm) 14-CDT 279.0 219.0 329.8 14-CDT 279.0 219.0 329.8 15-CDT 284.7 219.2 348.9 17-CDT 328.34 251.64 401.16 19-CDT 363.72 277.3 448.0 20-CPT 398.4 300.0 472.0 21-CPT 402.1 303.2 495.5 21-CPT 403.8 306.4 498.3 21-CDT 403.2 305.16 498.6 25-CPT 472.1 362.2 572.5 25-CPT 542.1 412.1 662.0 25-CPT 541.8 412.1 662.0

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