grinding X lapping

Portuguese translation: retífica x polimento/brunidura

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:grinding X lapping
Portuguese translation:retífica x polimento/brunidura
Entered by: ghostwriter-BR

12:42 Mar 10, 2011
English to Portuguese translations [PRO]
Tech/Engineering - Mechanics / Mech Engineering / Control Valves
English term or phrase: grinding X lapping
What's the difference between "grinding" and "lapping"
According to some sites I found that these two words most of the time have the same translation, that is, "esmerilhamento".

Context: In most cases the valve seat can be reconditioned several times by grinding or machining if lapping isn't sufficient any more.
Jeovane Cazer
Brazil
Local time: 14:11
retífica x polimento/brunidura
Explanation:
É isso que se faz com válvulas.
Selected response from:

ghostwriter-BR
Brazil
Local time: 14:11
Grading comment
Selected automatically based on peer agreement.
4 KudoZ points were awarded for this answer



Summary of answers provided
5 +2retífica x polimento/brunidura
ghostwriter-BR
4 +1retífica x lapidação
Paulo Lopes
4 +1retificação x acabamento
Leonor Machado
4fricção x lixamento
Marcos Antonio
4esmerilhamento x lapatura
Marlene Curtis


  

Answers


2 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
grinding x lapping
fricção x lixamento


Explanation:
Sug.

Marcos Antonio
Local time: 14:11
Specializes in field
Native speaker of: Native in PortuguesePortuguese
PRO pts in category: 713
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9 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5
grinding x lapping
esmerilhamento x lapatura


Explanation:
Lapping is a machining operation, in which two surfaces are rubbed together with an abrasive between them, by hand movement or by way of a machine.
http://en.wikipedia.org/wiki/Lapping

Ceramicas Out/07 - [ Translate this page ]
A lapatura realizada sobre a superfície metalizada dá ainda mais personalidade ao produto, onde as formas curvas criadas com esse polimento suave permitem a ...
www.revestir.com.br/...Out.../body_ceramicas_out_07.html

Marlene Curtis
United States
Local time: 13:11
Native speaker of: Native in PortuguesePortuguese
PRO pts in category: 1547
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12 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
grinding x lapping
retífica x lapidação


Explanation:
Esmerilhar é menos técnico, tipo afiar faca, tirar rebarba de peça forjada, que deixa aquelas marcas bem visíveis, normalmente feito manualmente, mesmo que com esmeris, rebolos.
Retificar é o que se faz, por exemplo, em discos de freio, feito em máquinas tipo torno.
Brunimento é um acabamento com ferramenta especial.
A lapidação usa também líquidos e abrasivos.
O site indicado explica direitinho a diferença.


    Reference: http://www.essel.com.br/cursos/material/01/ProcessosFabricac...
Paulo Lopes
Local time: 14:11
Specializes in field
Native speaker of: Native in PortuguesePortuguese
PRO pts in category: 31

Peer comments on this answer (and responses from the answerer)
agree  Martin Riordan
20 mins

agree  connie leite
3 hrs

disagree  ghostwriter-BR: Lapidação, por definição, aplica-se a pedras preciosas. Não é o caso aqui.
10 hrs
  -> Desculpe, aplica-se sim!!! Veja http://www.essel.com.br/cursos/material/01/ProcessosFabricac...
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1 hr   confidence: Answerer confidence 5/5 peer agreement (net): +2
grinding x lapping
retífica x polimento/brunidura


Explanation:
É isso que se faz com válvulas.

ghostwriter-BR
Brazil
Local time: 14:11
Specializes in field
Native speaker of: Portuguese
PRO pts in category: 326
Grading comment
Selected automatically based on peer agreement.

Peer comments on this answer (and responses from the answerer)
agree  Nick Taylor: sounds about right
7 hrs
  -> Obrigado

agree  Adriana Lopes
1 day 3 hrs
  -> Obrigado
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10 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
grinding x lapping
retificação x acabamento


Explanation:
Eu diria assim

Leonor Machado
Local time: 18:11
Native speaker of: Portuguese
PRO pts in category: 543

Peer comments on this answer (and responses from the answerer)
agree  Rodrigo Villas
2 days 14 hrs
  -> Obg Rodrigo
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