Who would want a form tool for re-profiling wheels?
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Re: Who would want a form tool for re-profiling wheels?
Thanks Terry, and well done for organising this. Andy
Make Worcestershire great again.
Build a wall along the Herefordshire border and make them pay for it.
Build a wall along the Herefordshire border and make them pay for it.
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Re: Who would want a form tool for re-profiling wheels?
Terry Bendall wrote:myoxall wrote:How is this progressing? Any idea when it may become available?
The order for the production batch was placed several weeks back and they are currently in production. No delivery date was given but I will ask about progress on Monday.
Excellent
That would be an ecumenical matter.
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Re: Who would want a form tool for re-profiling wheels?
Just to let you all know.
The form tools have arrived. The price is £45 each, higher than the original quote but it is now double ended with a left or right hand cut and no front face cut, which were the points raised when using the prototype. Not tried them yet but will do so later this week. Be patient I have asked the webmaster to put in the online shop when he gets a chance.
The form tools have arrived. The price is £45 each, higher than the original quote but it is now double ended with a left or right hand cut and no front face cut, which were the points raised when using the prototype. Not tried them yet but will do so later this week. Be patient I have asked the webmaster to put in the online shop when he gets a chance.
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Tips and tricks in machine tool practice viewtopic.php?f=132&t=6350
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Re: Who would want a form tool for re-profiling wheels?
Jeremy Suter wrote:Just to let you all know.
The form tools have arrived. The price is £45 each, higher than the original quote but it is now double ended with a left or right hand cut and no front face cut, which were the points raised when using the prototype. Not tried them yet but will do so later this week. Be patient I have asked the webmaster to put in the online shop when he gets a chance.
Thanks Jeremy.
Now live in the Stores. Item code S4FT, which is under Misc products (scroll down the page and it is there).
Cheers,
Alastair
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Re: Who would want a form tool for re-profiling wheels?
When item is clicked and then “ please create an order” the form is empty.
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Re: Who would want a form tool for re-profiling wheels?
I had that until I realised that I had to enter the number required in the box rather than just click on it. Then on to PayPal and done!
Philip
Philip
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Re: Who would want a form tool for re-profiling wheels?
Paul Townsend wrote:When item is clicked and then “ please create an order” the form is empty.
Hi Paul,
You just need to enter the number required in the box, it's not a tick-box. So just enter 1 and the order will be created - all the stores items work in that way.
[Edit] Thanks Philip for confirming this too
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Re: Who would want a form tool for re-profiling wheels?
Sorry, mea culpa.
Not having ordered for 2 years I forgot.
Not having ordered for 2 years I forgot.
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Re: Who would want a form tool for re-profiling wheels?
Impressed as ever by the service. Ordered yesterday, arrived safely today. Many thanks.
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Re: Who would want a form tool for re-profiling wheels?
This is probably common knowledge, but with regards to re-profiling Romford wheels, it appears that 247 Developments are marketing a "Romford P4 axle plus nuts"
https://www.247developments.co.uk/loco_detailing.html
Along with much other useful stuff!
Steve
https://www.247developments.co.uk/loco_detailing.html
Along with much other useful stuff!
Steve
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Re: Who would want a form tool for re-profiling wheels?
Oh how did I miss the form tool being released? Waiting for pay day...
Ordsall Road (BR(E)), Forge Mill Sidings (BR(M)), Kirkcliffe Coking Plant (BR(E)), Swanage (BR (S)) and Heaby (LMS/MR). Acquired Thorneywood (GNR). Still trying to "Keep the Balance".
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Re: Who would want a form tool for re-profiling wheels?
I plan to order mine after the Christmas rush given the usual problems with international post at this time of year. But that aside, has anyone taken their's for a test drive yet?
Cheers,
David
Cheers,
David
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Re: Who would want a form tool for re-profiling wheels?
Had a little tinker with mine on some RTR Bachmann J72 wheelsets.
Bachmann have made the wheels with an non prototypical dish around the outside face of the circumference/rim, much like the recessed rear face of the wheel that they have nearly always manufactured. (For some reason Oxford Rail has also used a dished outer rim on their plastic/metal composite drivers on their J27).
Removing 0.7mm from the outside face of the Bachmann rim and 0.3mm from the rear allows the existing flange to be reduced with the form tool, whilst keeping it's position in relation the the outside wheel face correct.
Photograph probably explains it better.
P
Bachmann have made the wheels with an non prototypical dish around the outside face of the circumference/rim, much like the recessed rear face of the wheel that they have nearly always manufactured. (For some reason Oxford Rail has also used a dished outer rim on their plastic/metal composite drivers on their J27).
Removing 0.7mm from the outside face of the Bachmann rim and 0.3mm from the rear allows the existing flange to be reduced with the form tool, whilst keeping it's position in relation the the outside wheel face correct.
Photograph probably explains it better.
P
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Re: Who would want a form tool for re-profiling wheels?
Interesting
That would be an ecumenical matter.
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Re: Who would want a form tool for re-profiling wheels?
Mine arrived this morning. Thanks to all who made it possible.
Make Worcestershire great again.
Build a wall along the Herefordshire border and make them pay for it.
Build a wall along the Herefordshire border and make them pay for it.
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Re: Who would want a form tool for re-profiling wheels?
Porcy Mane wrote:...Bachmann have made the wheels with an non prototypical dish around the outside face of the circumference/rim, much like the recessed rear face of the wheel that they have nearly always manufactured. (For some reason Oxford Rail has also used a dished outer rim on their plastic/metal composite drivers on their J27).
Removing 0.7mm from the outside face of the Bachmann rim and 0.3mm from the rear allows the existing flange to be reduced with the form tool, whilst keeping it's position in relation the the outside wheel face correct.
In a way that looks more helpful to P4 modellers, since you now don't need to throw the RTR wheels away when converting.
That would be an ecumenical matter.
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Re: Who would want a form tool for re-profiling wheels?
Would we be able to have a step - by - step guide to setting up and using the tool for the benefit of us rookie lathe users?
Steve
Steve
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Re: Who would want a form tool for re-profiling wheels?
I looked through this thread and found that the tool has a 6mm shank. But what was the final decision on material? Sort of assuming its HSS based on cost, but it would be good to confirm that.
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Re: Who would want a form tool for re-profiling wheels?
steve howe wrote:Would we be able to have a step - by - step guide to setting up and using the tool for the benefit of us rookie lathe users?
Jeremy's post today on the thread entitled Tips and tricks in machine tool practice should help. There is a school of thought that this job may not be appropriate for the complete novice but of course one way to learn is to try. Using some scrap OO wheels, including wagon wheels is a good way to start before tacking the expensive loco wheels.
Terry Bendall
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Re: Who would want a form tool for re-profiling wheels?
garethashenden wrote:But what was the final decision on material?
No special reason. High speed steel seemed to be the logical material to use. Fairly easy to obtain, although current supply difficulties did cause a delay. HSS can be sharpened if required although that is nor recommended since you may change the tool profile. The tool was produced using the wire erosion process which would no doubt work on other materials.
If really necessary an oilstone could be used on the top surface to remove any slight bluntness but if it is used as Jeremy describes in his thread for the final finishing profile sharpening should not be needed for a long time.
Terry Bendall
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Re: Who would want a form tool for re-profiling wheels?
Would it be asking too much of this tool to profile steel rims?
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Re: Who would want a form tool for re-profiling wheels?
Crepello wrote:Would it be asking too much of this tool to profile steel rims?
Shouldn’t be. As long as you’re not being overly aggressive with the feed rates. Bit of oil helps too.
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Re: Who would want a form tool for re-profiling wheels?
Terry, I've also been thinking a stone on the flat side should help restore the edge. What grade/ grit would you suggest? My woodworking tools are usually sharpened in steps 1k - 6k -10k. Thoughts?
Stephan
Stephan
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Re: Who would want a form tool for re-profiling wheels?
garethashenden wrote:Crepello wrote:
Would it be asking too much of this tool to profile steel rims?
Shouldn’t be. As long as you’re not being overly aggressive with the feed rates. Bit of oil helps too
I agree with both comments. When making the final cut you are usually cutting across the whole with of the tool. This can cause vibration indicated by excessive noise known as "chatter" which can result in an uneven surface on the work piece. Some cutting oil, also sometimes called soluble oil is always useful when machining steel.
Stephan.wintner wrote:Terry, I've also been thinking a stone on the flat side should help restore the edge. What grade/ grit would you suggest? My woodworking tools are usually sharpened in steps 1k - 6k -10k. Thoughts?
Yes an oilstone will certainly do that. I always use an oilstone to put a final edge on a lathe tool made from high steed steel or high carbon steel after grinding although it will not work on tungsten tipped tools. I have a very old ((55 years) carborundum oil stone for sharpening of woodworking tools which is of one grade only and that works for me. For lathe tools I have a very small fine carbourundum stone of the same vintage measuring 3 inches x 1 inch by 1/2 inch which I use for lathe tools. For this application I don't think different grades of sharpening stones are needed.
Terry Bendall
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Re: Who would want a form tool for re-profiling wheels?
Brilliant service as always from Jeremy at the Stores. Order placed Wednesday and delivered before Christmas.
Ordsall Road (BR(E)), Forge Mill Sidings (BR(M)), Kirkcliffe Coking Plant (BR(E)), Swanage (BR (S)) and Heaby (LMS/MR). Acquired Thorneywood (GNR). Still trying to "Keep the Balance".
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