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Thread: Slitting Saw Arbor
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13th Aug 2021, 09:44 PM #1
Slitting Saw Arbor
Still looking for things to do....
Recently doing repairs on a few antique fly reels I found that screws are very hard to find. I decided to make some of those screws. Cutting the threads was straight forward; I used the appropriate die. But to cut neat straight slits was a bit more of a challenge as I wanted to use a slitting saw to make positive neat slits. Only problem was that I didn't have the saw or arbor and I even needed a collet block.
First things first. I decided to make an arbor. Here's how I did it.
I turned down some 4140 steel to 5/8" for the shaft to fit a 5/8 5C collet as I wanted to hold it in a collet in the spindle.
Capture 4140.PNG
After that I turned it around holding it in the 5/8 collet to continue on the other end. This ensured I could keep it reasonably concentric as I proceeded
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After drilling and turning down the cap piece to .0005 smaller to allow the saw blade ID to slide on, I parted off the cap piece and bored out the body to accept the cap internal arbor. Then tapping the body with an M8 thread. I also counter bored the cap for the cap screw.
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Little bit of a taper on the back of the body to reduce weight and make it appear pleasing; a polish up made a good result.
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Now, to cut some screw heads which were held in a 5C collet in a collet holder in the milling attachment on the Hercus
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The slits are a little deep here but now I dial in the right depth.
The screws were for a reel that is a good 80 years old - JW Young of England.
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16th Aug 2021, 12:08 PM #2Senior Member
- Join Date
- Jun 2013
- Location
- Tasmania
- Posts
- 257
Nice. I use my 9a for slotting screws all the time with the same set up.
Give us some more info on your fly reel resto's though!
I've got a JW Young Beaudex on a Hardy cane Palakona 9'. Unfortunately with a broken tip, but would love to find a replacement tip one day.
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16th Aug 2021, 03:56 PM #3
I have a few Youngs. I really like them especially the red agate reels although they are all nice examples and workhorse reels.
Two reels I bought that had damaged check and the other a broken check knob.
Attachment 393517
So I set out to repair them. First was the brass rivet pin to allow the spring & pawl to hold in place.
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Here you can see the hole where the rivet should be so it can hold the pawl on place like the other side.
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Below shows the rivet in place with a new Hardy's pawl as I couldn't get hold of an old Young pawl. It's a little bigger but it still fits.
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On the other reel the check tensioner knob was broken so I removed the entire thing including the rivet that holds it in place and made a new head with threaded rod, rivet and stop, so the pressure arm can be screwed up and down to add, or reduce, tension on the spring for more drag.
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Below is the old broken assembly and the new remade version
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Here it is prior to putting in the stop
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Finally the completed repair
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At another time I replaced a cracked agate in another smaller Young reel
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Made a collet stop for the nickel silver bezel. The bezel was then opened with a spinning type of tool then placed a new agate in and closed up the bezel leading edge by rolling it down with the same tool.
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Here you can see another bezel that I repaired to accept a smokey agate for a Hardy St George.
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This is what I used to open the bezel then close it over the agate.
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A rivet made to hold the bezel tang in place on the reel.
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Finally the finished reel.
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here is the Hardy St George repaired also
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This is stop that goes into the collet, you can see the bezel tang also.
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16th Aug 2021, 03:58 PM #4
Hornet,
You could get the old tip repaired or have a new one made.
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17th Aug 2021, 09:47 AM #5Senior Member
- Join Date
- Jun 2013
- Location
- Tasmania
- Posts
- 257
Beautiful work there. I love your stuff.
Yeah I thought I could get it repaired but haven't had it professionally assessed. I had a gent locally that fixes cane rods look at it and he said it couldn't be done, or wasn't particularly keen to do it perhaps.
I've had the rod and reel for probably 30 years now. Be happy just to fix it and put it on the wall.
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17th Aug 2021, 11:14 AM #6
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17th Aug 2021, 07:44 PM #7Golden Member
- Join Date
- Oct 2001
- Location
- ACT
- Posts
- 667
is that actually a 7/64 BSW die? thats an unusual size
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17th Aug 2021, 08:14 PM #8
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17th Aug 2021, 10:19 PM #9
Hi Guys,
7/64 Whit, almost as rare as rocking horse poo !
I would imagine 2.5 mm or 3 mm would have been used today !
Nice work on your reels by the way, works of artBest Regards:
Baron J.
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17th Aug 2021, 10:32 PM #10
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18th Aug 2021, 06:33 PM #11
Hornet, got any photos of your screw slot cutting on the 9?
I have a nice Beaudex and a Pridex too. Beaudex is a great reel. Pridex on the right second going left is the Beaudex.
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Beaudex in the foreground
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