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| About Ameriacan drawings detail makes me confused,need help |  |  | |
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| Posted by: Lydia ® 11/03/2009, 03:57:19 Author Profile eMail author Edit |
Hello everybody here. i just first time here. and of course i need US engineer to make sure some simple details on the drawings which i can't get it so well. 1. if a few holes eq. sp. on a cilcle with diameter data,what's the mean of 'B.H.C' following it? Is that mean Bolthole Circle or not? i have skype ID XXXXXX, and MSN XXXXXXXX. i hope i could have many engineer friends for learning each others, thank you. Lydia
Modified by Administrator at Tue, Nov 03, 2009, 08:10:54 |
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| : About Ameriacan drawings detail makes me confused,need help -- Lydia | Post Reply | Top of thread | Engineering Forum |
| Posted by: SIVA_KOVAI ® 11/03/2009, 06:52:30 Author Profile eMail author Edit |
Hi Lydia, Im working with American Drawings. Absolutely it is Bolt Hole Circle. Otherwise it is called as Pitch Circle Diameter (PCD) SIVA |
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| Posted by: Lydia ® 11/03/2009, 20:30:36 Author Profile eMail author Edit |
Thank you for your answer. Another Question, the discription of the bolt hole on the drawing,above the diameter of B.H.C., would you like to translate about the detail upper the circile dimension,especially 'c-sink' thanks again. Lydia
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| Posted by: SIVA_KOVAI ® 11/03/2009, 22:27:26 Author Profile eMail author Edit |
see attachment c-sink-Counter sink
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| Posted by: Kelly Bramble ® 11/03/2009, 08:12:47 Author Profile eMail author Edit |
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