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19th January 2016, 05:27 PM #1
A question on tools for making wheels
I'm having a problem finding the right tool to make the wheel on the right. The photo on the left shows how far I have got. The wheel was cut out with a Suttons hole saw and then tidied up on the lathe. I have a few lathe tools but that are too large to cut out the area on the timber to make it look like the photo. The problem arises with the angle the tools need to get to. I have a Woodfast midi lathe and I have given myself as much room as I can using delrin spacers. I have used a parting tool to cut in as much as I can and then swapped to dental pick tools which have a very fine point. They cut nicely into the timber but nothing i have will allow me to square off the hub as shown in the picture of the yellow hub. I was thinking about something like a 1/8" parting tool bend at a right angle to allow the tip to be square to the timber hub. Anyone got any ideas on a tool?
Also, the grooves in the thread in the right hand side pic run 45 degrees opposite to those on the other side of the tyre. There is a deep groove through the centre of the tyre around the circumference. Can you suggest any ideas on inserting these opposing 45 degree tread marks on the tyres.
Any advice appreciated
Greg
IMG_0697.jpgIMG_0700.jpg
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19th January 2016, 06:01 PM #2Mug punter
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i have made those sort of tractor tread wheels in two halves, grooves one way on one half and the other way on the second
regards david
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19th January 2016, 06:01 PM #3
get a cheapish scraper and re-profile it so it can cut the angle you want
tread you describe is usually cut in two tyres (on a tablesaw) and stuck together
actually that's how you could make your wheel
make it in two parts with the 1st or outside half cut with a forstner and the inner having the dishregards
Nick
veni, vidi, tornavi
Without wood it's just ...
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19th January 2016, 08:01 PM #4
You can use a hollowing tool to do the undercut hub.
I made my own miniature hollowing tools out of a bit of bent square steel.
I has photos somewhere but can't find them.
Look a bit like this.
Cliff.
If you find a post of mine that is missing a pic that you'd like to see, let me know & I'll see if I can find a copy.
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19th January 2016, 08:49 PM #5
G'Day Greg, In the Model Section of the forum is a set of threads on wheel making....
Sorry I'm not a lathe person, but have done the tractor wheels in 2 halves on the table saw with dado blade set....
In the past year some of the toymakers have posted thread on how they've made there tractor style wheels which you search on in "advanced search"...Cheers, crowie
Wheel Making
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23rd January 2016, 09:21 PM #6Member
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I use a forstner bit in the tail stock of my lathe to create the recessed hub look. The knob on the end of an axle peg gives the effect of the central hub.
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24th January 2016, 06:18 AM #7
Look forward to seeing the end product these will fit,As said elsewhere I would go for THIS it helps as the cutting edge is in line with the shaft making it more controllable.
Can you not hold the wheel without the tail stock support as that also would make it easier to access the wheel. Only novices point of view
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25th January 2016, 01:15 PM #8
I have not tried this yet and can't until tomorrow. However, I bought a set of Suttons Hole saws a couple of weeks ago - the Carpenter version. What I will attempt is using 3 different sizes with the holesaws. I will cut out the small one first and put it aside (yellow in the picture). The medium holesaw cut timber is discarded (which is the gap between the yellow and red). The large timber cut out becomes the tyre (black in the picture). A second large cut out is made from a separate piece of timber - no other cuts are made to it. The tread will be cut at 45 degree angles on both the large pieces and they are glued together. The small piece first cut (yellow) is glued into rim. A piece of dowel through the wheel will ensure it is centred properly. That way I have my straight edges. After I make the first one I will post the pictures.
001.JPG
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26th January 2016, 06:44 PM #9
Greg, seeing as you have the lathe you only need to remove the wood from the hole to the finished depth and shape possibly using a forstner bit, and then mount it on a spigot machined on a face plate.(Not quite the size of this one)
7_Mandrel.jpg
After machining the spigot, fit the wheel on and using a screw and disc, clamp it in place. Make sure the back face of the faceplate is machined flat so the wheel will sit firmly against it. Undercut the corner where the spigot meets the back face so the bore of the wheel does not hang up there.
6_Hub.jpgDallas
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26th January 2016, 08:11 PM #10
Thanks Dallas.
I have a different concept in mind. I cut out a very rough version of it today and photographed the stages. I will get a post together later and post it on here under Making a Wheel in the toy making forum
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26th January 2016, 09:10 PM #11GOLD MEMBER
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Hi Greg,
How many are you looking at doing? Is it going to be an ongoing size?
KrynTo grow old is mandatory, growing up is optional.
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26th January 2016, 11:04 PM #12
Hi
I have just finished my take of a jig to make the tracks. So far it's only a 3D model made in Sketch up.
tyre_track_jig.PNG tyre_track_jig_2.PNG
I know, it look a bit like a camera.
You can find the model here:
https://3dwarehouse.sketchup.com/mod...7-38e27995801f
Later on there will be a free plan on my website: playground-dk
Ole
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27th January 2016, 11:27 AM #13
WOODEN WHEEL. This is what I have come up with for making the wooden wheel I needed.
The first photo is of the real wheel from a dump truck.
Photo 2 are the tools - Sutton Tools 9 Piece Multi-Purpose Carpenter Holesaw TCT Set.
Photo 3 shows the quick change over set up. Once the drill has been placed in the Drill Press you only need to press the button shown to release the holesaw and slip another one on. In my case I had to move the Drill Press table to get the holesaw off the drill as I have a small Ozito Drill Press and I don't have the space to remove it. This explains why one of the proposed cuts is first marked so I can realign it later. Once I save up enough to buy the Bosch Drill Press this won't need to be done.
I first cut out a complete wheel with a 92mm holesaw and put the wheel aside.
Photo 4 shows the marking of the wheel size with the 92mm holesaw.
I then swapped over to a 54mm holesaw and cut half way through the timber with it.
Photo 5 shows the removal of what will be the hub with a 32mm holesaw. It also shows the other two cuts I have made.
Photo 6 are the cut out pieces. At this stage I clean up the wheels on the lathe and disc sander. Although I haven't done it yet, the tread can be cut into the 2 wheels at this time using a band saw set to the desired angle. Both pieces need to be cut at opposing angles so the tread will form a V shape when the wheel is glued together.
Photo 7 shows the full wheel centred by a mandrel. It can be glued together at this time. When the glue has set (I use Bondcrete for strength) the wheel can be put back on the lathe for shaping the tyre and sanding to a smooth finish.
001.JPG1.jpg2.jpg3.jpg4.jpg5.jpg6.jpg
This method gives me straight deep edges around the hub that I could not achieve using a lathe tool.
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27th January 2016, 11:29 AM #14
Dallas, unfortunately I don't have the tools with my lathe to use that method. I will get some one day if I am going to use them a lot.
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27th January 2016, 11:32 AM #15
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