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Re: [TowerTalk] Crimp connector tool

To: n0tt1@juno.com, towertalk@contesting.com
Subject: Re: [TowerTalk] Crimp connector tool
From: Gedas <w8bya@mchsi.com>
Date: Tue, 7 Jan 2020 22:33:19 -0500
List-post: <mailto:towertalk@contesting.com>
Hi Charlie. Yes once the bars are attached to the vice you close the jaws and the interface where the two bars meet make it super easy to start drilling. Guaranteed to find center :-)

The taper was made by grabbing a larger drill bit and just drilling down 1/8" or so. I did that after the holes were drilled and the bars removed and flipped over. That way you don't make the hole any bigger but you do make a taper.

Gedas, W8BYA

Gallery at http://w8bya.com
Light travels faster than sound....
This is why some people appear bright until you hear them speak.

On 1/7/2020 10:11 PM, n0tt1@juno.com wrote:
Gedas,

Sounds like a great idea!

I'm assuming that you drill through where the two bars meet in the
center, right?

How did you get the taper, with a hand reamer?

Thanks,
Charlie, N0TT

On Tue, 7 Jan 2020 14:37:05 -0500 Gedas <w8bya@mchsi.com> writes:
What I did was purchase an inexpensive 5" harbour-fright vice that
had 2
screws hold the serrated teeth bars. I took the two screws out from
each
side and replaced the hardened steel tooth bars with 1/2"x1/2"x5"
aluminum bar stock.

I drilled two holes thru the aluminum bar stock for  the holding
screws
and put them back on the vice. I then drilled a series of different
sized holes along the bar. It is absolutely awesome. I have my own
custom crimping machine that will make a perfect compression around
any
crimp connector. I have about 5 holes in one bar that manages most
of my
needs. And if need be another set of aluminum bars can be made with
different sized holes if the occasion ever came up. I also have a
small
taper at one end (the bottom of the drilled holes) that leaves a
slightly less compressed area just like my hand-crimpers do.

Gedas, W8BYA

Gallery at http://w8bya.com
Light travels faster than sound....
This is why some people appear bright until you hear them speak.

On 1/7/2020 2:22 PM, Mike Fahmie via TowerTalk wrote:
   I recently purchased this one via EBAY.  The dies are cut for
metric lugs (mm�) but are fairly close to US sizes.  I haven't
looked to see how close they may be for coax connectors though they
are hex dies.  The die is fairly simple so if one has machining
skills (and gear), it wouldn't be difficult to fabricate an exact
die.
12 Ton Hydraulic Wire Cable Terminal Crimper Crimping Tool Pliers
Kit w/ 9 Dies | eBay
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| $38.99 |  |

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12 Ton Hydraulic Wire Cable Terminal Crimper Crimping Tool Pliers
Kit w/...
Include 9 dies for free option so as to make your working
smoother. 8 x Mould Right 10,16, 25, 35, 50, 70, 95, 1...
   |

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      On Tuesday, January 7, 2020, 11:05:36 AM PST, Grant Saviers
<grants2@pacbell.net> wrote:
The HF hydraulic press/die set is designed for ~#6 and larger
electrical
wire lugs so using it for coax crimps is probably not a good idea.

Worked great for home/shop use, I think about $75 for an identical
unit
on ebay/amazon.  Greenlee pro unit $1500.

Grant

On 1/7/2020 10:05, jimlux wrote:
On 1/7/20 9:16 AM, Earl Wesner via TowerTalk wrote:
I saw a recent post on crimp tools for hex crimps on coax, which
had a
comment from a gentleman regarding physical ability to squeeze
the
crimper handle tight enough.

It comes to mind that there is a tool available from Harbor
Freight
and others which uses a (small hydraulic) lever/pump which takes
several strokes to close the dies, and which comes with assorted
dies
for small to quite large hex sizes. I got mine from Amazon:
BETOOL
8020 is the item model..

There are also pneumatically operated crimpers.

Nobody on an assembly line making hundreds of crimps a day is
going to
use muscle power, unless they want to be doomed to disability
payments
and OSHA fines for the repetitive stress injuries.

I've seen the hydraulic ones for things like battery lugs. I
assume
they're available for coax connector size things.?? How expensive
are
they? is it a $100 item or a $500 item.

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