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Tungsten Carbide scraper blade silver brazed to mild steel shank.

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It will no doubt work OK John even with the chatter. I made a couple of these in the past and just used Aluminium, much easier putting the grooves in.

The Blade Clamp and Rubber Cushion are finished but I might remake them in the future as they are both slightly undersized in a couple of places, they will have to do for now.

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A little more progress on the Blade Holder.

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Thanks Joe.

I'm working on the business end of the scraper now, the drawing that Joe posted has been a great help in making a copy of the genuine Biax blade holder, thank you Joe. In order to keep the blade...

I’m glad you got it working but I am confused with some of your settings.

Have you tried setting F05.19 to around 22%? This should give the pot more range, provided that all other corresponding settings are still set to Default.

If you are using the analog input for the potentiometer it shouldn't be too hard to get it working properly although it may require a bit of trial and error. I found it a bit annoying to use when I...

These photos show the Stroke Adjustment Screw Access Holes in the housing and the 3/8" rubber blanking grommet that should stop anything from getting in there.
This relatively simple job took a lot...

I had the same problem Gary, this thread explains how I fixed it although it is a different make of VFD.
...

These short videos show the range of stroke adjustment from the Wobble mechanism for the Sawzall conversion, I actually managed to get a little bit of extra stroke than I was aiming for ( 11mm as...

I always have trouble posting photos and videos, it looks like I got it right on the second attempt.

Adjustable stoke/wobble assembly is nearly finished, just need to drill and tap 2 holes for adjustment screws and a few other details then I will start work on the blade holder etc. The video shows...

I have the same machine but I can't access it at the moment, when I can, I will get some dimensions and photos for you.

The first real bit of progress towards turning the old Sawzall into a Scrapezall, a new shaft to replace the fixed angle wobble shaft. The original shaft has a 14 degree angle on the wobble journal...

This is my candidate for a scraper conversion, it is a 30 year old Milwaukee Sawzall that use a Wobble Shaft to drive the Reciprocating shaft back and forth. I have already done some minor...

I'm sure that Kluber Australia would have something suitable but it will be expensive.

Taps are normally slightly over the nominal O/D so nothing unusual there.

You are making good progress Simon and Joe, I am looking forward to seeing how the actually perform.
Joe, do you have any detailed photos of the stoke adjustment mechanism in one of your genuine...

It's actually a Miluloyo from what I can see in the blurry photo.

Yes, it's also done on some reamers and countersinks.

Looking good guys, keep up the good work.

I have often thought of sharpening some of my Sutton expanding reamers but because of the geometry or profile of the cutting edge I always shy away from it. The only way I can describe the shape of...

This is a common problem when fitting 22mm industrial switches, if you can standardize on one particular brand you might be able to get a Chassis Punch to suit the configuration.

The short answer is No. Some just call it 1200 x 2400 as a nice even size for convenience.

Try setting at 60 or 60.5 degrees on the scale, that will give you half of the tool angle (30 degrees approx) from the straight in position.

It's hard to see in the photo but is the shank of the diamond tilted to 15 degrees also?

What is the inside width of the channel? I have a few different types or riveters for difficult jobs like this.

After watching Clough's video a few months ago I decided to get one of the EMI Filters that he used and it did help reduce the interference with the radio but it did not completely eliminate it, at...

Normally an oversize shaft is used when the body is worn, they used to be available for common vehicles. I made a piloted reamer to suit a +.010" shaft for a HQ Holden carburetor once.

Yes, I realise that, but this one is an integral part of the machines tank which forms the base of the saw so by leaving it in place no plumbing modifications are required.

Regarding the use of a dedicated VFD for coolant pumps etc I decided to use a cheap mini drive (400W) from Aliexpress for the small pump on this machine. These little drives are quite good but...

That is a double star motor, it would work perfectly as is on a 3 or 4kw Ecogoo 380 volt drive.

Yes, from your picture I thought it would be 3/16" not 1/8.

Are you sure that the .368" will be OK, not too loose? What is your tenon size?

I'm glad that you asked me to measure these again Bob because I can now see that only the smaller set of jaws actually match up to anything on the chart, the .1875" Pitch ( 5.333 TPI) of the larger...

No worries Bob, I will check the sizes but I think they will be pretty close to what is shown. Which size jaw do you want me to measure?

I don't have the actual jaw part numbers, I got all the dimensions from this catalogue:

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These Outside Jaws are for 2.75" and 3.0" chucks respectively. They are New Old Stock and will only fit the applicable "Obsolete" chucks. ...

It looks like it might be a "Push In" fitting, you could try pushing up on the brass ring and at the same time pulling down on the tube to release it.

Have you tried using You Tube, it is the easiest way that I have found. That's how I have been doing it lately.

A "2 collar test" would be a more reliable way to check it. Is the headstock adjustable on the bed?

Just a follow up on fitting extra magnets (post 91) to improve the response time of the digital panel mount tachometer. With the 6 magnets fitted it updates much faster, as opposed to the single...

Easier said than done.

How would you get to it?

The problem with butchered shafts like this is that it is not only the Major diameter of the thread that is "mushroomed" slightly, but also the minor diameter, so cleaning up the O/D may not be...

This is the type of job where a Thread File is invaluable,

The release of internal stresses in the material could have nipped the saw blade up in the cut, that combined with it running a bit too fast and getting slightly warm leading to the breakage. I have...

Someone on here might offer to do it properly for you, if they knew where in Australia you are located.:roll: