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Thread: RongFu clone
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25th Sep 2020, 09:15 PM #1
RongFu clone
I just got hold of a TruTool version of the RongFu-30 mill.
It came with what I am sure is a drilling table, but how it attaches to the machine is not like anything I have ever seen. I have a feeling that there is a part missing?
Mill accessory 2.jpg Mill accessory 3.jpg
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25th Sep 2020, 09:22 PM #2Senior Member
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The photos indicate you have a faceplate for a metal lathe, the 3 pins are a quick change system. Somewhere recently there was a table to tell which one you have.
Rgds,
Crocy.
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25th Sep 2020, 09:55 PM #3
As Old Croc said, it appears to be a d1-3 or d1-4 camlock quick change for lathe chucks an face plates etc.
I have a d1-4 on my lathe and think it is a marvelous system. I have never seen one used on a mill, so I think it is an unmatching bonus.
Peter
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25th Sep 2020, 10:12 PM #4
The paint on the back of it matches perfectly the colour of the mill, which is original as there is a factory supplied small can of touch up paint in the mill cabinet.
That makes me think it belongs to the mill. The other thing is that the few faceplates I have seen did not have tee nut slots, just through slots.
That said, I haven't seen a huge number of backplates. The one I have is not tee nut slotted, and it has more slots, from memory 6. It also has grooves around the face like a chuck, whereas this thing is plain flat.
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26th Sep 2020, 01:26 AM #5
It does seem to be a d1-4 mount faceplate, despite the vast majority being 6 or 8 slot, and through slots being far more prevalent.
I eventually found one similar https://tormach.com/6in-face-plate-d...unt-34106.html
It is for sale if anyone is interested.
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26th Sep 2020, 10:46 AM #6Diamond Member
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That could be useful for transferring a job back and forth between mill table and lathe, assuming you had a D1-4 socket on each tool.
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27th Sep 2020, 10:54 PM #7Most Valued Member
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I really doubt it belongs to the mill - that's a lathe face plate.
You overlook the obvious explanation for the colour match - a previous owner did it, not the factory.
I have made T slotted face plates like that myself so that alone isn't really relevant. I still have a pattern for one kicking about the place.
As a mill accessory it has only 2 potential uses - first to transfer work from a lathe to a rotary table equipped with a matching spindle nose, or to a horizontal mill spindle so as to use it as a big swing T type lathe. Neither are common uses with Rong Fu type mills, to put it very politely...
PDW
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27th Sep 2020, 11:48 PM #8
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28th Sep 2020, 11:23 AM #9Member
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Definitely a D1-3 or a D1-4 Lathe chuck Camlock backplate. My lathe has the D1-3 Camlock system.
Last edited by cfranks; 28th Sep 2020 at 11:52 AM. Reason: Got my info wrong!
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28th Sep 2020, 06:28 PM #10Philomath in training
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Phil, what is the diameter of the pins? That seems to be the only way of telling reliably.
D1-3 = 14.2mm
D1-4 = 15.8mm
D1-6 = 22.2mm
Michael
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28th Sep 2020, 06:41 PM #11I break stuff...
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28th Sep 2020, 08:21 PM #12Golden Member
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Michael - you saying that the dimension of the D1-'X' type mounts vary between manufacturers?
Lathe Spindle Nose Mounting Systems
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28th Sep 2020, 08:57 PM #13Philomath in training
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No, the pin diameter (H on your link) varies according to size. A D1-3 and D1-4 look similar but won't fit, hence checking the pin diameter.
I would agree with you but I can recall seeing a D1-6 with 3 pins - why I don't know. I included it in there more for general reference. I think it likely that it is a D1-3 or a D1-4, but with bits of different machines included in job lots you are never sure about provenance.
(My lathe takes a D1-3. I nearly unwittingly bought a D1-4 from ebay once. This check saved me)
Michael
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