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Machine Pin sub-D crimpers

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Michael Wynn

Joined: 10 Jan 2006
Posts: 148
Location: San Ramon, CA

Posted: Fri Feb 11, 2011 12:45 pm Post subject: Machine Pin sub-D crimpers

Hi all,

  

 I have been cruising the archives to clarify a question about crimping  sub-D pins.  If I understand this correctly, there are sub-D pins that are  machined and those that are stamped.  The machined ones are significantly  higher in quality and are recommended.  I understand there are standard and  high density pins.  What is the difference?  Do they need a different  crimper?  Are the pins that B&C sells considered high density or  standard?

  

  There are also pins for designed for soldering, but they are probably  best avoided.  Are there any circumstances in which soldered pins are  preferable?

  

 B&C sells a machined pin crimper, RCT-3    http://www.bandc.biz/d-submachinedpincrimptool.aspx

 that is designed for machine pin crimps.  Is this okay for both  standard and high density pins?

  

 On the Vertical Power web site (am an installing a VP-X system) they say to  only use the high priced crimper.  They will rent you one for $10 a month  or sell in to $300.  Steinair has a high priced Daniels Crimper

 http://steinair.com/images/store/afm8.jpg

  

 Which they describe as good for regular and high density pins.

  

 So, my basic questions are:

 1. what is the difference between standard machined sub-D pins and high  density pins?

 2. Am I okay with the RCT-3 crimper or should I rent or buy an expensive  one?

  

 Thanks,

  

 Michael Wynn

 RV 8 Wiring

 San Ramon, CA

  

  

  

  [quote][b]

_________________
Michael Wynn
RV 8
San Ramon, CA

Peter Eedy

Joined: 30 Jul 2008
Posts: 3
Location: Newcastle, NSW. Australia.

Posted: Fri Feb 11, 2011 2:46 pm Post subject: Machine Pin sub-D crimpers

Hi

FYI

I purchased the Daniels direct with std crimper inserts (k13-1 – not for high density pins) for:

 

AFM8-K13-1

CRIMP TOOL WITH K13-1 POSITIONER

1

$271.26

$271.26

 

+ $20 USD delivered to Australia

 

Great piece of kit worth every penny!

 

www.dmctools.com

 

 

Peter Eedy

70 - 72 Parry Street

COOKS HILL  NSW 2300

Australia.

Waiex #109 under construction.

 

 

 

 

From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of MLWynn(at)aol.com

Sent: Saturday, 12 February 2011 7:42 AM

To: aeroelectric-list(at)matronics.com

Subject: Machine Pin sub-D crimpers

 

Hi all,



 



I have been cruising the archives to clarify a question about crimping sub-D pins.  If I understand this correctly, there are sub-D pins that are machined and those that are stamped.  The machined ones are significantly higher in quality and are recommended.  I understand there are standard and high density pins.  What is the difference?  Do they need a different crimper?  Are the pins that B&C sells considered high density or standard?



 



 There are also pins for designed for soldering, but they are probably best avoided.  Are there any circumstances in which soldered pins are preferable?



 



B&C sells a machined pin crimper, RCT-3    http://www.bandc.biz/d-submachinedpincrimptool.aspx



that is designed for machine pin crimps.  Is this okay for both standard and high density pins?



 



On the Vertical Power web site (am an installing a VP-X system) they say to only use the high priced crimper.  They will rent you one for $10 a month or sell in to $300.  Steinair has a high priced Daniels Crimper



http://steinair.com/images/store/afm8.jpg



 



Which they describe as good for regular and high density pins.



 



So, my basic questions are:



1. what is the difference between standard machined sub-D pins and high density pins?



2. Am I okay with the RCT-3 crimper or should I rent or buy an expensive one?



 



Thanks,



 



Michael Wynn



RV 8 Wiring



San Ramon, CA



 



 



 

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nuckolls.bob(at)aeroelect
Guest

Posted: Fri Feb 11, 2011 4:28 pm Post subject: Machine Pin sub-D crimpers

At 03:42 PM 2/11/2011, you wrote:

  	  Quote: 	
		   Hi all,

  

 I have been cruising the archives to clarify a question about crimping sub-D pins.  If I understand this correctly, there are sub-D pins that are machined and those that are stamped.  The machined ones are significantly higher in quality and are recommended.  I understand there are standard and high density pins.  What is the difference?  	




    Standard D-sub pins will accept 20AWG wires,

    HD-sub pins are limited to 22AWG wire.



  	  Quote: 	
		   Do they need a different crimper?  Are the pins that B&C sells considered high density or standard? 	


    They sell standard density pins, I think Steinair

    can supply both.

  	  Quote: 	
		    

  There are also pins for designed for soldering, but they are probably best avoided.  Are there any circumstances in which soldered pins are preferable? 	


    No



  	  Quote: 	
		    

 B&C sells a machined pin crimper, RCT-3     http://www.bandc..biz/d-submachinedpincrimptool.aspx

 that is designed for machine pin crimps.  Is this okay for both standard and high density pins? 	


    It's designed for Standard D pins. I don't

    have any HD-pins on hand to check again but

    I believe the RCT-3 puts an adequate mash on

    the HD pins. If somebody has a half dozen

    HD pins they can donate to the cause, I'll

    test the RCT-3 again and cross-section the

    joints for microscopic inspection.



  On the Vertical Power web site (am an installing a VP-X system) they say to only use the high priced crimper.  They will rent you one for $10 a month or sell in to $300.  Steinair has a high priced Daniels Crimper

  	  Quote: 	
		    http://steinair.com/images/store/afm8.jpg

  

 Which they describe as good for regular and high density pins. 	


    Correct . . . with a change out of the

    positioner.  See:



  http://aeroelectric.com/Mfgr_Data/Tools/Daniels/ConnectorToolingGuide.pdf    



  	  Quote: 	
		    

 So, my basic questions are:

 1. what is the difference between standard machined sub-D pins and high density pins? 	


    size



  	  Quote: 	
		   2. Am I okay with the RCT-3 crimper or should I rent or buy an expensive one? 	


    The B&C RCT-3 (Eclipse Tool Co. 4-quad) tool has

    been around for at least 10 years. I own and

    have used several for that period of time . . .

    I also have a set of Daniels tools and positioners.



    The less expensive tools are in my knock-around

    toolboxes, the 'good' stuff is on the bench. I

    use them interchangeably with good results.



    If you can get all your d-sub work done in a few

    months, Stein's rental fee is a good deal . . .

    but you'd probably want to own an el-cheepo

    for future maintenance and/or expansion.



 

   Bob . . .    [quote][b]

Mauledriver(at)nc.rr.com
Guest

Posted: Fri Feb 11, 2011 5:46 pm Post subject: Machine Pin sub-D crimpers

FWIW, I just           posted my experience with a low cost crimper on my log:

 http://www.mykitlog.com/users/category.php?user=MauleDriver&project=224&category=6577

           

           Though I can't justify buying a $300 crimper for the project           now, you can pay a price for going cheaper unless you are           careful.  The D-Sub wire/pin connection  is really easy, fast,           clean and seems reliable but it can be screwed up by a           defective tool.  I'm happy with my repaired cheap crimper at           this point.   

           

           Bob, thanks again for helping me get to the bottom of this one           last year.

           

           Bill Watson

           

              [quote]          

         B&C sells a machined pin crimper, RCT-3    http://www.bandc.biz/d-submachinedpincrimptool.aspx

         that is designed for machine pin crimps.  Is this okay for           both standard and high density pins?

          

         On the Vertical Power web site (am an installing a VP-X           system) they say to only use the high priced crimper.  They           will rent you one for $10 a month or sell in to $300.            Steinair has a high priced Daniels Crimper

         http://steinair.com/images/store/afm8.jpg

         

                2. Am I okay with the RCT-3 crimper or should I rent or buy           an expensive one?

          

         Thanks,

          

         Michael Wynn

         RV 8 Wiring

         San Ramon, CA

          

          

          

               	  Quote: 	
		  

	
     [b]

nuckolls.bob(at)aeroelect
Guest

Posted: Fri Feb 11, 2011 6:33 pm Post subject: Machine Pin sub-D crimpers

At 08:40 PM 2/11/2011, you wrote:

  	  Quote: 	
		   FWIW, I just posted my experience with a low cost crimper on my log:

  http://www.mykitlog.com/users/category.php?user=MauleDriver&project=224&category=6577 



 Though I can't justify buying a $300 crimper for the project now, you can pay a price for going cheaper unless you are careful.  The D-Sub wire/pin connection  is really easy, fast, clean and seems reliable but it can be screwed up by a defective tool.  I'm happy with my repaired cheap crimper at this point.   



 Bob, thanks again for helping me get to the bottom of this one last year. 	


   Sure. I'd forgotten about that conversation.

   B&C had been doing the same checks and modifications

   to the RTC-3 tools as described in this folder

   of my website:



  http://www.aeroelectric.com/Pictures/Tools/Crimp_Tools/4-Quad/



   I modified all the crimpers I was selling and marked

   the tools as AEC Modified. But Bill reminded me that

   the cognizant purchaser of this tool will check for

   the necessary modification.



 

   Bob . . .    [quote][b]

email(at)jaredyates.com
Guest

Posted: Fri Feb 11, 2011 7:31 pm Post subject: Machine Pin sub-D crimpers

If I understand correctly, this is great news.  I have this crimper:



http://steinair.com/images/store/SAT004.jpg

[/url]but was just scratching my head figuring out how I was going to handle what appear to be HD pins on my GNS430 backplate.  Do I understand correctly that with careful depth positioning, I should be able to use the above tool to crimp a few high density pins too?  Stein explicitly says that the above tool is not for HD pins, which I accepted as truth without any investigation.

 

On Fri, Feb 11, 2011 at 8:26 PM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:

[quote]   At 08:40 PM 2/11/2011, you wrote:

  	  Quote: 	
		   FWIW, I just posted my experience with a low cost crimper on my log:

 [url=http://www.mykitlog.com/users/category.php?user=MauleDriver&project=224&category=6577] http://www.mykitlog.com/users/category.php?user=MauleDriver&project=224&category=6577 



 Though I can't justify buying a $300 crimper for the project now, you can pay a price for going cheaper unless you are careful.  The D-Sub wire/pin connection  is really easy, fast, clean and seems reliable but it can be screwed up by a defective tool.  I'm happy with my repaired cheap crimper at this point.   



 Bob, thanks again for helping me get to the bottom of this one last year. 	




   Sure. I'd forgotten about that conversation.

   B&C had been doing the same checks and modifications

   to the RTC-3 tools as described in this folder

   of my website:



  http://www.aeroelectric.com/Pictures/Tools/Crimp_Tools/4-Quad/



   I modified all the crimpers I was selling and marked

   the tools as AEC Modified. But Bill reminded me that

   the cognizant purchaser of this tool will check for

   the necessary modification.



 

   Bob . . .     	  Quote: 	
		  



ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-List

tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	


[b]

Mauledriver(at)nc.rr.com
Guest

Posted: Fri Feb 11, 2011 11:23 pm Post subject: Machine Pin sub-D crimpers

On 2/11/2011 10:19 PM, Jared Yates wrote:

 	  Quote: 	
		   If I understand correctly, this is great news.  I have this crimper:



 http://steinair.com/images/store/SAT004.jpg



 but was just scratching my head figuring out how I was going to handle 

 what appear to be HD pins on my GNS430 backplate.  Do I understand 

 correctly that with careful depth positioning, I should be able to use 

 the above tool to crimp a few high density pins too?  Stein explicitly 

 says that the above tool is not for HD pins, which I accepted as truth 

 without any investigation.

I can't speak to the HD pins and at this point, I would take Stein's 
	


opinion as fact unless and until Bob gets a chance to test or someone 

else can chime in.  I didn't have to do any HD pins.



To be clear, the depth positioning problem is a potential problem with 

standard pins.  I'm guessing that the HD pin is thinner (and the 

Daniel's tool  handles that by changing crimp heads or something).



I went back to my records and the crimper I have is from Stein.  From 

Bob's comments, it seems that the defect is not universal but you should 

check.  With the defect, you can make a whole bunch of substandard 

crimps without realizing it... the last thing you want is some 

intermittent connection among 20-some wires among a dozen different 

D-sub plugs.



Bill Watson

Ed Anderson

Joined: 10 Jan 2006
Posts: 475

Posted: Sat Feb 12, 2011 4:57 am Post subject: Machine Pin sub-D crimpers

I received the machine pin crimper from Steinair and it took a few flawed 

crimps to realize that the depth stop was not correct for the size machine 

pins I was using.

The pin dropped too far into the crimping hole.  I solved this by cutting a 

piece of heavy gauge wire to the needed length and dropping it into the 

hole.  This prevented the pin from going too far into the hole for good 

crimping.  That solved the problem.

I since discovered that the maker of that crimper makes two sizes one for 

14-22 gauge wire and the larger pins and one for 22-28 gauge wire and 

smaller pins.  I think the only difference is the adjustable depth stop.

Ed

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

From: "Bill Watson" <Mauledriver(at)nc.rr.com>

Sent: Saturday, February 12, 2011 2:15 AM

To: <aeroelectric-list(at)matronics.com>

Subject: Re: Machine Pin sub-D crimpers

 	  Quote: 	

 <Mauledriver(at)nc.rr.com>

 On 2/11/2011 10:19 PM, Jared Yates wrote:

> If I understand correctly, this is great news.  I have this crimper:

>

> http://steinair.com/images/store/SAT004.jpg

>

> but was just scratching my head figuring out how I was going to handle 

> what appear to be HD pins on my GNS430 backplate.  Do I understand 

> correctly that with careful depth positioning, I should be able to use 

> the above tool to crimp a few high density pins too?  Stein explicitly 

> says that the above tool is not for HD pins, which I accepted as truth 

> without any investigation.

 I can't speak to the HD pins and at this point, I would take Stein's 

 opinion as fact unless and until Bob gets a chance to test or someone else 

 can chime in.  I didn't have to do any HD pins.

 To be clear, the depth positioning problem is a potential problem with 

 standard pins.  I'm guessing that the HD pin is thinner (and the Daniel's 

 tool  handles that by changing crimp heads or something).

 I went back to my records and the crimper I have is from Stein.  From 

 Bob's comments, it seems that the defect is not universal but you should 

 check.  With the defect, you can make a whole bunch of substandard crimps 

 without realizing it... the last thing you want is some intermittent 

 connection among 20-some wires among a dozen different D-sub plugs.

 Bill Watson

_________________
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com

nuckolls.bob(at)aeroelect
Guest

Posted: Sat Feb 12, 2011 7:03 am Post subject: Machine Pin sub-D crimpers

At 07:50 AM 2/12/2011, you wrote:

 	  Quote: 	
		  

<eanderson(at)carolina.rr.com>



I received the machine pin crimper from Steinair and it took a few 

flawed crimps to realize that the depth stop was not correct for the 

size machine pins I was using.



The pin dropped too far into the crimping hole.  I solved this by 

cutting a piece of heavy gauge wire to the needed length and 

dropping it into the hole.  This prevented the pin from going too 

far into the hole for good crimping.  That solved the problem.



I since discovered that the maker of that crimper makes two sizes 

one for 14-22 gauge wire and the larger pins and one for 22-28 gauge 

wire and smaller pins.  I think the only difference is the 

adjustable depth stop.


	


     14-22 AWG is a pretty wide range for

     a single "squish" setting on a 4-quad

     tool. The Daniels tools have interchangeable

     positioners in addition to a 'selector knob'

     which adjusts the depth of punch penetration

     for each combination of wire/pin.



http://aeroelectric.com/Pictures/Tools/Crimp_Tools/4-Quad/Daniels_4-Quad_3.JPG



     Without an adjustable penetration, the tool

     is limited in terms of the total amount of

     metal (wire strands + pin) that can be

     minimally upset (gas tight) to maximum

     upset (degradation of structural integrity).



     There is an IDEAL crimp for all wire/pin

     combinations. I think I found that 22AWG

     wires in HD pins were minimally installed

     with the Eclipse tool. Smaller wires would

     have to be doubled over in the pins to

     provide enough 'meat' to achieve the

     gas-tight condition when the tool closed.

     But that was a lot of years ago and I'd

     have to repeat the experiment to confirm.



     In any case, the Eclipse tool is just fine

     for the standard density pins once it's

     been checked and corrected as necessary

     for positioning of the pin.

   Bob . . .

nuckolls.bob(at)aeroelect
Guest

Posted: Sat Feb 12, 2011 7:14 am Post subject: Machine Pin sub-D crimpers

 	  Quote: 	
		  I went back to my records and the crimper I have is from 

Stein.  From Bob's comments, it seems that the defect is not 

universal but you should check.  With the defect, you can make a 

whole bunch of substandard crimps without realizing it... the last 

thing you want is some intermittent connection among 20-some wires 

among a dozen different D-sub plugs.


	


   All the time I was selling the Eclipse tool, I found

   it necessary to 'fix' the positioners. At some point

   after I sold that business to B&C, I think we saw

   some tools that didn't need modification but since

   it wasn't my ballywick at the time, I don't recall

   the details. I do recall several conversations with

   Tim (at) B&C where we discussed the necessity for checking

   all incoming batches of tools and fixing them as

   needed and marking the tools as 'modified'.



   Having the crimp too far back on the pin does not

   present a great risk. The grip on 22AWG strands is

   still gas-tight. There IS perhaps a compromise of design

   goals for resistance to breakage due to flexure of

   the stress-concentration at the boundary of the crimp.

   I would be contemplative of this only if the connector

   was installed without a hood for bundle support behind

   the connectors.



   If anyone discovers they've installed a bunch

   of mis-positioned pins with this tool, I don't

   think there's any need for a do-over if the

   connectors in question have hoods on them.



   This tool has been in production for decades.

   If there were any serious issues with what we've

   identified as a missed design goal, I think it

   would have surfaced and caused the tool to be

   modified by the manufacturer or discontinued.

   I wrote to Eclipse once making them aware of

   my findings. I thought that the few "on target"

   tools we saw might have been the result of

   that letter . . . or not.



   In any case, let's not elevate the issue to

   levels of concern unsupported by experience

   and consideration of the simple-ideas.

   Bob . . .

Mauledriver(at)nc.rr.com
Guest

Posted: Sat Feb 12, 2011 9:08 am Post subject: Machine Pin sub-D crimpers

I recall the wires on the Ray Allen trim servos to be (frustratingly) 

smaller than 22AWG.  Doubling them over worked easily and well in the 

standard pins as I recall.  The  rule of thumb here may be, "if you can 

double the conductor over and easily insert it into the barrel, then do 

it to get  the best crimp"



It was after that experience that I realized how nice and versatile the 

D-Sub pins and plugs were.  As an old RC modeler, I had originally 

attempted to used Deans plugs for the trim servos.  They are high 

quality, solder-based, light weight compact multi-pin connectors that 

have been used extensively in RC.

http://bit.ly/fwl8os

Upon reflection, the Deans plugs rely on good soldering skills, have no 

support, and are otherwise bad solutions for our stuff.

 	  Quote: 	
		  

     There is an IDEAL crimp for all wire/pin

     combinations. I think I found that 22AWG

     wires in HD pins were minimally installed

     with the Eclipse tool. Smaller wires would

     have to be doubled over in the pins to

     provide enough 'meat' to achieve the

     gas-tight condition when the tool closed.

     But that was a lot of years ago and I'd

     have to repeat the experiment to confirm.



     In any case, the Eclipse tool is just fine

     for the standard density pins once it's

     been checked and corrected as necessary

     for positioning of the pin.

stein(at)steinair.com
Guest

Posted: Sat Feb 12, 2011 12:34 pm Post subject: Machine Pin sub-D crimpers

That is pretty much correct. We do the same modifications to the tool that Bob describes (if someone doesn’t they just aren’t quite right…as far as I’m aware we are the only 2 who do that).  Anyway, this crimpers can actually be used for HD pins but you need to manually make sure the pin is positioned properly. We don’t say they are for HD pins because out of the box they are not, and one wouldn’t want to try and use them for production type work.  We could probably make a new center pin for them but if you’re careful you can indeed use them for HD pins by just visually making sure they pin is positioned properly or make a new pin for the crimper.

 

Anyway, that’s the deal….hope that helps.

 

Cheers,

Stein 

 

From: owner-aeroelectric-list-server(at)matronics.com [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of Jared Yates

Sent: Friday, February 11, 2011 9:19 PM

To: aeroelectric-list(at)matronics.com

Subject: Re: Machine Pin sub-D crimpers



 

If I understand correctly, this is great news.  I have this crimper:

 



http://steinair.com/images/store/SAT004.jpg



 



but was just scratching my head figuring out how I was going to handle what appear to be HD pins on my GNS430 backplate.  Do I understand correctly that with careful depth positioning, I should be able to use the above tool to crimp a few high density pins too?  Stein explicitly says that the above tool is not for HD pins, which I accepted as truth without any investigation.

On Fri, Feb 11, 2011 at 8:26 PM, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:

At 08:40 PM 2/11/2011, you wrote:

FWIW, I just posted my experience with a low cost crimper on my log:

http://www.mykitlog.com/users/category.php?user=MauleDriver&project=224&category=6577 



Though I can't justify buying a $300 crimper for the project now, you can pay a price for going cheaper unless you are careful.  The D-Sub wire/pin connection  is really easy, fast, clean and seems reliable but it can be screwed up by a defective tool.  I'm happy with my repaired cheap crimper at this point.   



Bob, thanks again for helping me get to the bottom of this one last year.

 



  Sure. I'd forgotten about that conversation.

  B&C had been doing the same checks and modifications

  to the RTC-3 tools as described in this folder

  of my website:



http://www.aeroelectric.com/Pictures/Tools/Crimp_Tools/4-Quad/



  I modified all the crimpers I was selling and marked

  the tools as AEC Modified. But Bill reminded me that

  the cognizant purchaser of this tool will check for

  the necessary modification.

  Bob . . .  	  Quote: 	
		    ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-Listtp://forums.matronics.com_blank">http://www.matronics.com/contribution 	




 

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  [quote][b]

Michael Wynn

Joined: 10 Jan 2006
Posts: 148
Location: San Ramon, CA

Posted: Sat Feb 12, 2011 7:45 pm Post subject: Machine Pin sub-D crimpers

Thanks to everyone who commented on this.  I am obviously a wiring  neophyte but have learned a great deal about pins, crimpers and  adjustments.  It's what makes this list so valuable.

  

  Michael Wynn

 RV 8 Wiring

 San Ramon, CA

  

 Do Not Archive



  

  In a message dated 2/12/2011 12:35:01 P.M. Pacific Standard Time,  stein(at)steinair.com writes:

  	  Quote: 	
		        

That    is pretty much correct. We do the same modifications to the tool that Bob    describes (if someone doesnâ€™t they just arenâ€™t quite rightâ€¦as far as Iâ€™m aware    we are the only 2 who do that).  Anyway, this crimpers can actually be    used for HD pins but you need to manually make sure the pin is positioned    properly. We donâ€™t say they are for HD pins because out of the box they are    not, and one wouldnâ€™t want to try and use them for production type work.     We could probably make a new center pin for them but if youâ€™re careful you can    indeed use them for HD pins by just visually making sure they pin is    positioned properly or make a new pin for the crimper.   

    

Anyway,    thatâ€™s the dealâ€¦.hope that helps.   

    

Cheers,   

Stein       

       

From:    owner-aeroelectric-list-server(at)matronics.com    [mailto:owner-aeroelectric-list-server(at)matronics.com] On Behalf Of    Jared Yates

Sent: Friday, February 11, 2011 9:19    PM

To: aeroelectric-list(at)matronics.com

Subject: Re:    Machine Pin sub-D crimpers

   

    

If I understand correctly, this is great news.  I have    this crimper:      

 

      

http://steinair.com/images/store/SAT004.jpg

      

 

      

but was just scratching my head    figuring out how I was going to handle what appear to be HD pins on my GNS430    backplate.  Do I understand correctly that with careful depth    positioning, I should be able to use the above tool to crimp a few high    density pins too?  Stein explicitly says that the above tool is not for    HD pins, which I accepted as truth without any investigation.      

On Fri, Feb 11, 2011 at 8:26 PM, Robert L. Nuckolls, III    <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)>    wrote:         

At 08:40 PM 2/11/2011, you wrote:



   

FWIW, I just posted    my experience with a low cost crimper on my log:

http://www.mykitlog.com/users/category.php?user=MauleDriver&project=224&category=6577    



Though I can't justify buying a $300 crimper for the project now, you    can pay a price for going cheaper unless you are careful.  The D-Sub    wire/pin connection  is really easy, fast, clean and seems reliable but    it can be screwed up by a defective tool.  I'm happy with my repaired    cheap crimper at this point.   



Bob, thanks again for helping    me get to the bottom of this one last year.   

 

   

  Sure. I'd forgotten    about that conversation.

  B&C had been doing the same checks and    modifications

  to the RTC-3 tools as described in this    folder

  of my website:



http://www.aeroelectric.com/Pictures/Tools/Crimp_Tools/4-Quad/



     I modified all the crimpers I was selling and marked

  the tools as    AEC Modified. But Bill reminded me that

  the cognizant purchaser of    this tool will check for

  the necessary modification.   

  Bob . . .     	  Quote: 	
		    ist" target="_blank">http://www.matronics.com/Navigator?AeroElectric-Listtp://forums.matronics.com_blank">http://www.matronics.com/contribution 	


   

 

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_________________
Michael Wynn
RV 8
San Ramon, CA

rparigoris

Joined: 24 Nov 2009
Posts: 792

Posted: Sat Feb 12, 2011 9:58 pm Post subject: Re: Machine Pin sub-D crimpers

Hi Group



I modified my Steinair D-sub crimper (and Jans the same time) by making new pins and moving them to the other side of the spring.



See pics DSCN5312 thru 16:



http://www.europaowners.org/forums/gallery2.php?g2_itemId=30957



I believe the tool with the modified ratchet is probably for High Density pins, but with the ratchet ground off the last two clicks works well for D-subs as well. Anyway if you have a tool that is over-crimping D-sub machined pins, all hope is not lost



Ron Parigoris

nuckolls.bob(at)aeroelect
Guest

Posted: Sun Feb 13, 2011 7:21 am Post subject: Machine Pin sub-D crimpers

At 11:58 PM 2/12/2011, you wrote:

 	  Quote: 	
		  

<rparigor(at)suffolk.lib.ny.us>



Hi Group



I modified my Steinair D-sub crimper (and Jans the same time) by 

making new pins and moving them to the other side of the spring.



See pics DSCN5312 thru 16:



http://www.europaowners.org/forums/gallery2.php?g2_itemId=30957



I believe the tool with the modified ratchet is probably for High 

Density pins, but with the ratchet ground off the last two clicks 

works well for D-subs as well. Anyway if you have a tool that is 

over-crimping D-sub machined pins, all hope is not lost

    Hmmm . . . It's not clear to me that the tool "supplied
	


    by Steinair" was stock. Over-crimping has never been an

    issue with any of the Eclipse tools that I'm aware of.

    Further, positioning of the spring has always been

    such that it presses the entry end of the positioner

    to the tools wire entry face.



    A little lathe (or file and drill motor) sculpting

    of a stock positioner will correct approximately

    .040" of mis-positioning. Some more lathe work will

    fabricate new positioners for HD pins. But in any case,

    errors of penetration for the punches is a whole

    new issue.



    I'd certainly like to put my hands on any tools

    that appear to be badly fabricated for this feature.



    Bob . . .

 	  Quote: 	
		  Ron Parigoris





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=330857#330857




	




        Bob . . .

                    ////

                   (o o)

    ===========o00o=(_)=o00o=========

    < Go ahead, make my day . . .   >

    < show me where I'm wrong.      >

    =================================

rparigoris

Joined: 24 Nov 2009
Posts: 792

Posted: Sun Feb 13, 2011 4:30 pm Post subject: Re: Machine Pin sub-D crimpers

Hi Bob



To clarify things, I was speaking about two separate tools, one from Steinair on the right and one that was lent to me which is on the left.



The Steinair tool is on the right and crimps D-sub pins just fine. The problem with the one I  received was it had an aluminium spacer on the wrong side of the spring, and even if you put it on the right side of the spring, it would not properly position D-sub machined pins.



That said, the tool on the left which was lent to me has a nice machined brass spacer that works perfect on the Steinair tool to position D-sub machined pins, so I made one exactly the same as the tool on the left and installed it on my Steinair tool on the right and now the Steinair tool works perfectly with machined D-sub pins.



I made a comment about the tool on the left. It is plenty old if rust and corrosion is any tell. I have no idea where it came from. The dies are different compared to the Steinair tool. If you insert a D-sub machined pin and squeeze the tool all the way it will over crimp. Someone ground off two of the ratchet teeth where instead of having to squeeze 5 notches before the tool releases, it releases after three ratchet notches. If you are careful it works fine on machined D-sub pins if you only click three times. I know the tool is designed for slightly smaller diameter pins and made mention if someone else happens to have one of these and tries to crimp a D-sub machined pin and obviously notices it overcrimps, by grinding off a few notches you can easily get by with this tool, and if you need to crimp smaller diameter pins, just crimp all the way. 



Sorry for any confusion.



Ron Parigoris

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