Re: Brain cam too big
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- Posts: 313
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Brain cam too big
Attachments :
Hi all,
I've got Norman's brain cup and I purchased a cam (I think a b9 creations cam) from Craig. As you can see in the pic, the cam does not fit inside the cam hole in Norm's cup. Has anyone experienced this? Do you use a high grit sandpaper to make it fit? Do Norm's cams fit?
Thanks!
Jeff-
Hi all,
I've got Norman's brain cup and I purchased a cam (I think a b9 creations cam) from Craig. As you can see in the pic, the cam does not fit inside the cam hole in Norm's cup. Has anyone experienced this? Do you use a high grit sandpaper to make it fit? Do Norm's cams fit?
Thanks!
Jeff-
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- Posts: 269
- Joined: Sat Apr 07, 2007 7:03 am
Re: Brain cam too big [1 Attachment]
Attachments :Have you considered drilling the brain cup to suit. From: B9Builders@yahoogroups.com [mailto:B9Builders@yahoogroups.com]
Sent: Saturday, 30 January 2016 5:42 PM
To: B9Builders@yahoogroups.com
Subject: [B9Builders] Brain cam too big [1 Attachment] [Attachment(s) from jeff.derose@comcast.net [B9Builders] included below]
Hi all,
I've got Norman's brain cup and I purchased a cam (I think a b9 creations cam) from Craig. As you can see in the pic, the cam does not fit inside the cam hole in Norm's cup. Has anyone experienced this? Do you use a high grit sandpaper to make it fit? Do Norm's cams fit?
Thanks!
Jeff-No virus found in this message.
Checked by AVG - www.avg.com
Version: 2016.0.7357 / Virus Database: 4522/11513 - Release Date: 01/29/16
Sent: Saturday, 30 January 2016 5:42 PM
To: B9Builders@yahoogroups.com
Subject: [B9Builders] Brain cam too big [1 Attachment] [Attachment(s) from jeff.derose@comcast.net [B9Builders] included below]
Hi all,
I've got Norman's brain cup and I purchased a cam (I think a b9 creations cam) from Craig. As you can see in the pic, the cam does not fit inside the cam hole in Norm's cup. Has anyone experienced this? Do you use a high grit sandpaper to make it fit? Do Norm's cams fit?
Thanks!
Jeff-No virus found in this message.
Checked by AVG - www.avg.com
Version: 2016.0.7357 / Virus Database: 4522/11513 - Release Date: 01/29/16
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- Posts: 548
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Re: Brain cam too big
I would take it to a machine shop and have the brain cam skimmed on a lathe. It would only take a minute and wouldn't cost much. Take the brain cup along to test fit.
Steve
Steve
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- Posts: 408
- Joined: Tue Aug 25, 2015 2:09 pm
Re: Brain cam too big
Good day!
I am inclined with Steve's reply. Although you could open the size of the cup, you need to make sure it opens just the right amou t so the walls can still serve as an alighnment. The best way dor me as Steve mentioned is take both parts to a machine shop and have the cam reduced as needed. This will assure it won't "wobble" side to side thus having the perfect rotacion for the crown.
If you are good with tools then by now you know what to do
. As for me, I know my tool skills and will still take it to a machine shop to get the right amount shaved off. ![Smile :)](./images/smilies/icon_e_smile.gif)
You asked if Norman's cam fits Norman's cup. Although it sounds like it should, I can confirm with the one I already have from him it is a perfect fit (and in the process of getting a second combo set dron him:) ).
Hopefully the replies helps out, but if not... "Never fear, We are here!"![Smile :)](./images/smilies/icon_e_smile.gif)
I am inclined with Steve's reply. Although you could open the size of the cup, you need to make sure it opens just the right amou t so the walls can still serve as an alighnment. The best way dor me as Steve mentioned is take both parts to a machine shop and have the cam reduced as needed. This will assure it won't "wobble" side to side thus having the perfect rotacion for the crown.
If you are good with tools then by now you know what to do
![Smile :)](./images/smilies/icon_e_smile.gif)
![Smile :)](./images/smilies/icon_e_smile.gif)
You asked if Norman's cam fits Norman's cup. Although it sounds like it should, I can confirm with the one I already have from him it is a perfect fit (and in the process of getting a second combo set dron him:) ).
Hopefully the replies helps out, but if not... "Never fear, We are here!"
![Smile :)](./images/smilies/icon_e_smile.gif)
On Sat, Jan 30, 2016 at 5:54 AM, stevejbrown007@gmail.com [B9Builders] wrote:
I would take it to a machine shop and have the brain cam skimmed on a lathe. It would only take a minute and wouldn't cost much. Take the brain cup along to test fit.
Steve
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- Posts: 386
- Joined: Wed Jul 09, 2003 8:44 pm
Re: Brain cam too big
Hi Jeff,
Mike got his cams from the same source as Norman, and what I just found out recently was that there was a bad batch of cams made. The shaft that goes into the brain cup was incorrectly machined to exactly the same size as the hole, but should have been cut slightly smaller.
The good news is it can be fixed, and I will take care of that for you. I wouldn't recommend trying this yourself. As I've mentioned before, Delrin is an extremely dense material and much harder to machine than you might think. I'll contact you off list to get that done.
Craig
At 02:12 AM 1/30/2016, you wrote:
Mike got his cams from the same source as Norman, and what I just found out recently was that there was a bad batch of cams made. The shaft that goes into the brain cup was incorrectly machined to exactly the same size as the hole, but should have been cut slightly smaller.
The good news is it can be fixed, and I will take care of that for you. I wouldn't recommend trying this yourself. As I've mentioned before, Delrin is an extremely dense material and much harder to machine than you might think. I'll contact you off list to get that done.
Craig
At 02:12 AM 1/30/2016, you wrote:
[Attachment(s) from jeff.derose@comcast.net [B9Builders] included below]
Hi all,
I've got Norman's brain cup and I purchased a cam (I think a b9 creations cam) from Craig. As you can see in the pic, the cam does not fit inside the cam hole in Norm's cup. Has anyone experienced this? Do you use a high grit sandpaper to make it fit? Do Norm's cams fit?
Thanks!
Jeff-
-
- Posts: 134
- Joined: Fri Jul 09, 2004 11:19 am
Re: Brain cam too big
Or put it on a drill and use sand paper
From: "stevejbrown007@gmail.com [B9Builders]"
To: "B9Builders"
Sent: Saturday, January 30, 2016 4:54:01 AM
Subject: [B9Builders] Re: Brain cam too big
I would take it to a machine shop and have the brain cam skimmed on a lathe. It would only take a minute and wouldn't cost much. Take the brain cup along to test fit.
Steve
From: "stevejbrown007@gmail.com [B9Builders]"
To: "B9Builders"
Sent: Saturday, January 30, 2016 4:54:01 AM
Subject: [B9Builders] Re: Brain cam too big
I would take it to a machine shop and have the brain cam skimmed on a lathe. It would only take a minute and wouldn't cost much. Take the brain cup along to test fit.
Steve
-
- Posts: 386
- Joined: Wed Jul 09, 2003 8:44 pm
Re: Brain cam too big
Trust me, that will not work. Delrin is much to dense. I'm telling you, it is like plastic stainless steel!
Craig
At 09:44 AM 1/30/2016, you wrote:
Craig
At 09:44 AM 1/30/2016, you wrote:
Or put it on a drill and use sand paper
From: "stevejbrown007@gmail.com [B9Builders]"
To: "B9Builders"
Sent: Saturday, January 30, 2016 4:54:01 AM
Subject: [B9Builders] Re: Brain cam too big
I would take it to a machine shop and have the brain cam skimmed on a lathe. It would only take a minute and wouldn't cost much. Take the brain cup along to test fit.
Steve
-
- Posts: 270
- Joined: Mon May 27, 2013 11:11 am
Re: Brain cam too big
Hello Craig,
Hey, I like that, " Plastic Stainless Steel ". That name really gets the point across. That reminds me of a chemical I was told about, " Methyl Ethyl Bad Stuff ".
thanks,
David M
--------------------------------------------
Hey, I like that, " Plastic Stainless Steel ". That name really gets the point across. That reminds me of a chemical I was told about, " Methyl Ethyl Bad Stuff ".
thanks,
David M
--------------------------------------------
On Sat, 1/30/16, Craig Reinbrecht craig@bex.net [B9Builders] wrote:
Subject: Re: [B9Builders] Re: Brain cam too big
To: B9Builders@yahoogroups.com
Date: Saturday, January 30, 2016, 9:16 AM
Trust me, that will not work. Delrin is much to dense.
I'm telling you,
it is like plastic stainless steel!
Craig
At 09:44 AM 1/30/2016, you wrote:
Or put it on a drill and use sand paper
From: "stevejbrown007@gmail.com
[B9Builders]"
To: "B9Builders"
Sent: Saturday, January 30, 2016 4:54:01 AM
Subject: [B9Builders] Re: Brain cam too big
I would take it to a machine shop and have the brain cam
skimmed on a
lathe. It would only take a minute and wouldn't cost
much.
Take the brain cup along to test fit.
Steve
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