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Roberto Bellomio
IMSA, Argentina, Joined Feb 2019, 5

Roberto Bellomio

IMSA,
Argentina,
Joined Feb 2019
5
14:08 Mar-25-2020
ISO 4386-3 y 4386-1 Liquido penetrante en interfaz

Buenos días, recurro a ustedes para despejar una duda que tengo respecto al criterio de aceptación sobre el ensayo de liquidos penetrantes en patines o cojinetes con respaldo metálico y babbitt (metal blanco). En ISO 4386-3 indique que en la interfaz debo remitirme al criterio de aceptación de la Iso 4386-1 que es de Ultrasonido, y no logro interpretar como debo considerar el defecto, ya que habla de superficie y en la interfaz se dan indicaciones lineales.
Lo escribo en español porque dudo redactarlo claramente en ingles. desde luego muchas gracias.-

 
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Diego
Consultant,
Freelance, Spain, Joined May 2013, 197

Diego

Consultant,
Freelance,
Spain,
Joined May 2013
197
15:38 Mar-25-2020
Re: ISO 4386-3 y 4386-1 Liquido penetrante en interfaz
In Reply to Roberto Bellomio at 14:08 Mar-25-2020 (Opening).

Hola Roberto.
Es un placer dirigirme a usted en español.

Yo no dispongo de la parte 3 de ISO 4386, sólo dispongo de la parte 1 de esta norma, en inglés y en edición de 1992.

Dicho esto, creo que puedo ayudarle.
En el párrafo 2 del alcance (Scope), dice que la evaluación de la unión entre el material antifricción (babbitt) con el material del cojinete, en las caras laterales, puede ser evaluada con líquidos penetrantes de acuerdo con ISO 4386-3. Teniendo lo expuesto en consideración, creo que los criterios de aceptación se dan en la tabla 2, columna "Edge zone"
Espero haberle sido de ayuda, un saludo.

1
 
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Roberto Bellomio
IMSA, Argentina, Joined Feb 2019, 5

Roberto Bellomio

IMSA,
Argentina,
Joined Feb 2019
5
16:46 Mar-25-2020
Re: ISO 4386-3 y 4386-1 Liquido penetrante en interfaz
In Reply to Diego at 15:38 Mar-25-2020 .

Muchas gracias Diego por tu respuesta. Yo tengo la edición 2012 de la parte 1 y no hay una tabla 2. podrías compartirla?

 
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Bruno Zilli
Engineering, Ndt
Italy, Joined Apr 2018, 15

Bruno Zilli

Engineering, Ndt
Italy,
Joined Apr 2018
15
17:14 Mar-25-2020
Re: ISO 4386-3 y 4386-1 Liquido penetrante en interfaz
In Reply to Roberto Bellomio at 16:46 Mar-25-2020 .

Hola Roberto

There is an old version of -3 andca -1 on scribd. I dowloaded them. If I have understood you question, you ask about the acceptance criteria of flaws, for pt. There are six classes of acceptance, look in the annex part A.

 
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Diego
Consultant,
Freelance, Spain, Joined May 2013, 197

Diego

Consultant,
Freelance,
Spain,
Joined May 2013
197
17:15 Mar-25-2020
Re: ISO 4386-3 y 4386-1 Liquido penetrante en interfaz
In Reply to Roberto Bellomio at 16:46 Mar-25-2020 .

Sí, Mándemela a mi correo electrónico (martinezdelvallediego@gmail.com). Mejor si me manda la norma entera.
Saludos

 
 Reply 
 
Diego
Consultant,
Freelance, Spain, Joined May 2013, 197

Diego

Consultant,
Freelance,
Spain,
Joined May 2013
197
17:29 Mar-25-2020
Re: ISO 4386-3 y 4386-1 Liquido penetrante en interfaz
In Reply to Diego at 17:15 Mar-25-2020 .

Download Tabla 2 Virus Scan recommended!

Aquí la tiene
 
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Roberto Bellomio
IMSA, Argentina, Joined Feb 2019, 5

Roberto Bellomio

IMSA,
Argentina,
Joined Feb 2019
5
18:03 Mar-25-2020
Re: ISO 4386-3 y 4386-1 Liquido penetrante en interfaz
In Reply to Diego at 17:29 Mar-25-2020 .

Gracias Diego, no entiendo porque la edición 2012 omite la tabla 2 donde indica "edge zone". Puede que no este interpretando bien, pero en esta version que pasas esta muy claro.
Saludos y gracias.-
PD: El dilema es que se debe usar la edición mas reciente ...

 
 Reply 
 
Udo Schlengermann
Consultant, -
Standards Consulting, Germany, Joined Nov 1998, 182

Udo Schlengermann

Consultant, -
Standards Consulting,
Germany,
Joined Nov 1998
182
17:34 Mar-26-2020
Re: ISO 4386-3 y 4386-1 Liquido penetrante en interfaz
In Reply to Roberto Bellomio at 18:03 Mar-25-2020 .

Dear colleagues,

The latest edition of ISO 4386:

ISO 4386-1:2019, Plain bearings — Metallic multilayer plain bearings — Part 1: Non-destructive ultrasonic testing of bond of thickness greater than or equal to 0,5 mm;
ISO 4386-2:2019, Plain bearings — Metallic multilayer plain bearings — Part 2: Destructive testing of bond for bearing metal layer thicknesses greater than or equal to 2 mm;
ISO 4386-3:2018, Plain bearings — Metallic multilayer plain bearings — Part 3: Non-destructive penetrant testing.

With best regards

 
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