Consistency errors

Thanks for the offer, but the board has long been deleted and a new board is under construction. I did manage to clear the errors I was having but in doing so I came up with 2 questions.

Question 1:

My DRC rules state that the pad diameter must be a min of 8mil.

My part recomendation is a pad diameter of 8mil.

I have built the part according to the manufacturers recomendation.

Yet if you look at the part and the library side by side the rings of the part on the board are larger than the rings of the part in the library.

Which one will be used in the gerber file, the library or the board representation?

Question 2:

My problem has been with Clearence errors between pins of the same part.

The clearence of the pins according to the library is about 9mil, a fact that was confirmed by another member of this site.

The clearence distance listed in the DRC file is 8mil.

If I set this distance to 4mil, the errors go away. Isn't the distance from one point to another the same as the distance from another to the one?

Why does eagle count both as different distances?

Jim McAuley wrote:

 

Thanks for the offer, but the board has long been deleted and a new board is under construction. I did manage to clear the errors I was having but in doing so I came up with 2 questions.

Question 1:

My DRC rules state that the pad diameter must be a min of 8mil.

My part recomendation is a pad diameter of 8mil.

I have built the part according to the manufacturers recomendation.

Yet if you look at the part and the library side by side the rings of the part on the board are larger than the rings of the part in the library.

Which one will be used in the gerber file, the library or the board representation?

 

Question 2:

My problem has been with Clearence errors between pins of the same part.

The clearence of the pins according to the library is about 9mil, a fact that was confirmed by another member of this site.

The clearence distance listed in the DRC file is 8mil.

If I set this distance to 4mil, the errors go away. Isn't the distance from one point to another the same as the distance from another to the one?

Why does eagle count both as different distances?

As has been stated by myself and confirmed by Jorge several times now, look at the Restring setting in the DRC. Jorge gave you a long and detailed explanation of this earlier this afternoon and it explains exactly what you are seeing with the change in pad size between the library and board. This change in pad size is why setting the DRC clearance rules to 4mil fixes the issue. Don't do that, change the resting setting as we've told you many times.

Best Regards,

Rachael

Pardon me for butting in...

It appears to me that Jim is saying he's set the DRC rules right but

Rachael (and others) are sure he hasn't. The evidence does seem to

support this, so I wonder... has Jim misinterpreted something? Perhaps

something as simple as entering the required diameter where a radius is

needed? Would it be beneficial for him to post his DRC file for review?

On 02/09/16 19:01, rachaelp wrote:

Jim McAuley wrote:

 

Thanks for the offer, but the board has long been deleted and a new board is under construction. I did manage to clear the errors I was having but in doing so I came up with 2 questions.

Question 1:

My DRC rules state that the pad diameter must be a min of 8mil.

My part recomendation is a pad diameter of 8mil.

I have built the part according to the manufacturers recomendation.

Yet if you look at the part and the library side by side the rings of the part on the board are larger than the rings of the part in the library.

Which one will be used in the gerber file, the library or the board representation?

 

Question 2:

My problem has been with Clearence errors between pins of the same part.

The clearence of the pins according to the library is about 9mil, a fact that was confirmed by another member of this site.

The clearence distance listed in the DRC file is 8mil.

If I set this distance to 4mil, the errors go away. Isn't the distance from one point to another the same as the distance from another to the one?

Why does eagle count both as different distances?

As has been stated by myself and confirmed by Jorge several times now, look at the Restring detting in the DRC. Jorge gave you a long and detailed explanation of this earlier this afternoon and it explains exactly what you are seeing with the change in pad size between the library and board. This change in pad size is why setting the DRC clearance rules to 4mil fixes the issue. Don't do that, change the resting setting as we've told you many times.

 

Best Regards,

 

Rachael

 

--

To view any images and attachments in this post, visit:

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On 09/03/2016 07:17 AM, Olin Lathrop wrote:

Friedrich Bleikamp wrote on Sat, 03 September 2016 05:46

that's a great explanation. You've found the parameter we need to

change. (Set percent of rest-ring smaller)

 

This really should be no revelation.  The restring settings were pointed to

as a likely source of the problem by several people over several posts.  It

seems it was first mentioned by Racheal two days ago, and was the obvious

culprit once the symptoms were explained.

 

It always amazes me how someone can come here with a problem, get good

advice, then flail around doing everything except following that advice.

In this case we even had someone delete a month's worth of work (so they

claim) on a board to avoid spending a few minutes actually understanding

the answers he got here, then a few more minutes applying the fixes!

 

People can do stupid things on their own time as they wish, but it becomes

rude when they abuse volunteer time of those trying to help them in the

process.  Engineering isn't for everyone as it requires logical thinking

and leaving your emotions at home.  Unfortunately we don't have the

technology for software to check this and refuse to work for those not

suited to the process.  Nonsense like this thread will be with us for the

forseeable future.  All we can do is learn from this and cut people off

when they aren't cooperating or doing stupid things.  The signs were there

early in this thread, but were ignored by too many.  Let this be a lesson

that not everyone is worth helping.

Well spaketh, sir!

I stayed out of this thread for exactly this reason.

Am 04.09.2016 um 12:05 schrieb Friedrich Bleikamp:

Am 04.09.2016 um 08:13 schrieb Joern Paschedag:

Am 03.09.2016 um 13:17 schrieb Olin Lathrop:

Friedrich Bleikamp wrote on Sat, 03 September 2016 05:46

that's a great explanation. You've found the parameter we need to

change. (Set percent of rest-ring smaller)

 

This really should be no revelation.  The restring settings were pointed to

as a likely source of the problem by several people over several posts.  It

seems it was first mentioned by Racheal two days ago, and was the obvious

culprit once the symptoms were explained.

 

It always amazes me how someone can come here with a problem, get good

advice, then flail around doing everything except following that advice.

 

I call that "learning  resistance".

 

In this case we even had someone delete a month's worth of work (so they

claim) on a board to avoid spending a few minutes actually understanding

the answers he got here, then a few more minutes applying the fixes!

 

People can do stupid things on their own time as they wish, but it becomes

rude when they abuse volunteer time of those trying to help them in the

process.  Engineering isn't for everyone as it requires logical thinking

and leaving your emotions at home.  Unfortunately we don't have the

technology for software to check this and refuse to work for those not

suited to the process.  Nonsense like this thread will be with us for the

forseeable future.  All we can do is learn from this and cut people off

when they aren't cooperating or doing stupid things.  The signs were there

early in this thread, but were ignored by too many.  Let this be a lesson

that not everyone is worth helping.

 

 

So far I agree with you. [And  I wonder about you that you hold back

that long time without a comment ]

I also feel being lied to by some answers i.e. saying it is a commercial

project. IMHO there can't be no more help then that offered by Morton

Leikvoll.

 

 

I full agree with Olin and Joern. Unfortunately, my English is

not good enough for me to take part in lengthy discussions.

I always read in the background.

 

Freundliche Grüße / Kind regards

Friedrich

-----------------------------------------------

... benutzen Sie nntp://news.cadsoft.de und einen

funktionierenden News-Reader wie Thunderbird!

... use NNTP://news.cadsoft.de and a

functional news reader like Thunderbird!

 

Hey pal you are not alone

I'm a lousy slow typist, so I'm not going to waste my time giving long

instructions in trying to help but see them "gone with the wind"....

But Rachael omg she has patience...

--

Mit freundlichen Grüßen / With best regards

Joern Paschedag

Am 04.09.2016 um 12:05 schrieb Friedrich Bleikamp:

Am 04.09.2016 um 08:13 schrieb Joern Paschedag:

Am 03.09.2016 um 13:17 schrieb Olin Lathrop:

Friedrich Bleikamp wrote on Sat, 03 September 2016 05:46

that's a great explanation. You've found the parameter we need to

change. (Set percent of rest-ring smaller)

 

This really should be no revelation.  The restring settings were pointed to

as a likely source of the problem by several people over several posts.  It

seems it was first mentioned by Racheal two days ago, and was the obvious

culprit once the symptoms were explained.

 

It always amazes me how someone can come here with a problem, get good

advice, then flail around doing everything except following that advice.

 

I call that "learning  resistance".

 

In this case we even had someone delete a month's worth of work (so they

claim) on a board to avoid spending a few minutes actually understanding

the answers he got here, then a few more minutes applying the fixes!

 

People can do stupid things on their own time as they wish, but it becomes

rude when they abuse volunteer time of those trying to help them in the

process.  Engineering isn't for everyone as it requires logical thinking

and leaving your emotions at home.  Unfortunately we don't have the

technology for software to check this and refuse to work for those not

suited to the process.  Nonsense like this thread will be with us for the

forseeable future.  All we can do is learn from this and cut people off

when they aren't cooperating or doing stupid things.  The signs were there

early in this thread, but were ignored by too many.  Let this be a lesson

that not everyone is worth helping.

 

 

So far I agree with you. [And  I wonder about you that you hold back

that long time without a comment ]

I also feel being lied to by some answers i.e. saying it is a commercial

project. IMHO there can't be no more help then that offered by Morton

Leikvoll.

 

 

I full agree with Olin and Joern. Unfortunately, my English is

not good enough for me to take part in lengthy discussions.

I always read in the background.

 

Freundliche Grüße / Kind regards

Friedrich

-----------------------------------------------

... benutzen Sie nntp://news.cadsoft.de und einen

funktionierenden News-Reader wie Thunderbird!

... use NNTP://news.cadsoft.de and a

functional news reader like Thunderbird!

 

Hey pal you are not alone

I'm a lousy slow typist, so I'm not going to waste my time giving long

instructions in trying to help but see them "gone with the wind"....

But Rachael omg she has patience...

--

Mit freundlichen Grüßen / With best regards

Joern Paschedag

Am 04.09.2016 um 12:05 schrieb Friedrich Bleikamp:

Am 04.09.2016 um 08:13 schrieb Joern Paschedag:

Am 03.09.2016 um 13:17 schrieb Olin Lathrop:

Friedrich Bleikamp wrote on Sat, 03 September 2016 05:46

that's a great explanation. You've found the parameter we need to

change. (Set percent of rest-ring smaller)

 

This really should be no revelation.  The restring settings were pointed to

as a likely source of the problem by several people over several posts.  It

seems it was first mentioned by Racheal two days ago, and was the obvious

culprit once the symptoms were explained.

 

It always amazes me how someone can come here with a problem, get good

advice, then flail around doing everything except following that advice.

 

I call that "learning  resistance".

 

In this case we even had someone delete a month's worth of work (so they

claim) on a board to avoid spending a few minutes actually understanding

the answers he got here, then a few more minutes applying the fixes!

 

People can do stupid things on their own time as they wish, but it becomes

rude when they abuse volunteer time of those trying to help them in the

process.  Engineering isn't for everyone as it requires logical thinking

and leaving your emotions at home.  Unfortunately we don't have the

technology for software to check this and refuse to work for those not

suited to the process.  Nonsense like this thread will be with us for the

forseeable future.  All we can do is learn from this and cut people off

when they aren't cooperating or doing stupid things.  The signs were there

early in this thread, but were ignored by too many.  Let this be a lesson

that not everyone is worth helping.

 

 

So far I agree with you. [And  I wonder about you that you hold back

that long time without a comment ]

I also feel being lied to by some answers i.e. saying it is a commercial

project. IMHO there can't be no more help then that offered by Morton

Leikvoll.

 

 

I full agree with Olin and Joern. Unfortunately, my English is

not good enough for me to take part in lengthy discussions.

I always read in the background.

 

Freundliche Grüße / Kind regards

Friedrich

-----------------------------------------------

... benutzen Sie nntp://news.cadsoft.de und einen

funktionierenden News-Reader wie Thunderbird!

... use NNTP://news.cadsoft.de and a

functional news reader like Thunderbird!

 

Hey pal you are not alone

I'm a lousy slow typist, so I'm not going to waste my time giving long

instructions in trying to help but see them "gone with the wind"....

But Rachael omg she has patience...

--

Mit freundlichen Grüßen / With best regards

Joern Paschedag