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Thread: Nose to table clearance woes.
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19th February 2011, 08:28 PM #1.
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Nose to table clearance woes.
This follows a discussion I had this morning with fellow Schaublin 13 owner Phillip "Metalman" and may be of interest to others.
Some of us own mills that are slightly (well maybe not slightly) handicapped because of limited space between the spindle nose and the table. Schaublin addressed this problem to some extent by designing their standard vertical head to also accommodate P20 collets. These collets have an internal M12 thread. The spindle nose has an ISO 30 taper. (A 4 MT was an option only) Rotating the head 180 degrees enables the drawbar to be inserted in place of the 30 taper chuck. The standard drawbar secures the P20 collet in the opposite end of the spindle. The largest collet I have is 9/16'', a fair bit smaller than the 20mm capacity of the ER32 chuck. Handy all the same.
Both Schaublin and Deckel offered ISO collets that fitted directly into the spindle nose. The ISO 30 only having slightly greater capacity at 5/8" maximum. Deckel's FP1 ISO 40 nose would accept 1" collets. The Morse No. 4 taper nose as found on Greg Q's FP1 also accommodates 1" collets. (Lucky b...)
The photos show the P20 collet installed in my mill.
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19th February 2011 08:28 PM # ADSGoogle Adsense Advertisement
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20th February 2011, 01:48 PM #2Mechanical Butcher
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A double-ended spindle - great idea!
How does the spindle get driven?
Jordan
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20th February 2011, 03:33 PM #3.
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Like this Jordan. The arbor shown on the left is mounted in the horizontal spindle.
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20th February 2011, 07:00 PM #4
I don't know...I guess the P20's are hard to find? The MT4 collets with the handy (not!) Deckel drawbar thread are around €20-€40 a pop, and they are Chinese copies of the unavailable originals. And only available from two sellers in Germany.
Still, having them is handy indeed. Deckel also supplied a spindle adapter to take their (also expensive, though more common) U2 Deckel collets as used in their little grinders and pantograph machines.
Funny about headroom on the Euro machines...even as you go up in size the headroom only gets marginally more generous. The 50% larger FP-2 only gets 2" more Z travel.
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20th February 2011, 07:32 PM #5
Some ideas...
First of all, if you can choke down the tool envy, have a look at this guy's shop tour video. At 3:30 he shows his FP-1, and the modifications he made to the universal table which would be really handy.
[ame=http://www.youtube.com/watch?v=65y7G_sstno]YouTube - My home shop[/ame]
The other thing I have is something C-47 sent me, photos of someone's adapter plate which lowers the universal table by a couple of valuable inches.
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20th February 2011, 08:28 PM #6.
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3 to 4?
Greg,
I was just looking at an illustration of the 4M collet in one of the Deckel Technical Bulletins.
How about a 4 to 3 Morse reduction sleeve with the tanged end removed to provide drawbar access and use cheapish 3 Morse collets with a male / male threaded draw stud Loctited into the collet. The catch would be if the sleeve remained in the spindle which is what happens in my little Hercus mill. I simply knock it out with an alumimium drift.
From memory, I don't think that it is that simple on an FPI.
Bob
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20th February 2011, 08:43 PM #7
Well, I did buy three MT4 collets on a "beg-for-mercy" deal from RC-Maschines in Luxembourg. I'm hoping that I won't need any more than that. If I do, Franz Singer, the Deckel guy in Germany, has generic MT4 collets, and he also sells M16:S20 X 2 male/male adapters.
I thought about using MT3 but was trying to avoid stacking any more Chinese gismos more than I have to. For all I know my vertical spindle needs work anyway. Thankfully it is bushed instead of the later needle bearing type, repair of which is unlikely in the field, and impossible on a budget.
Greg
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20th February 2011, 09:08 PM #8.
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That's a lot of gear to make a few camera and microscope parts! The bloke certainly has some treasures. I don't know how he gets on when he uses his table saw in the midst of it all.
I suppose we could use our mills with just a vise most of the time. Could be a pain when you want to use a rotary table or div. head though.
I'll go and have a look at the 13 to see just how easy it would be to lower the table with an adapter plate as per Alan's photo.
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20th February 2011, 09:15 PM #9.
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"was trying to avoid stacking any more Chinese gismos more than I have to"
Ah Ha! The dreaded Zyto Syndrome
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20th February 2011, 09:26 PM #10
LOL, yeah, that's exactly what I was thinking of.
I was just revisiting the RC-Machines site...they sell (for too much money) a tiny slotted angle table that bolts on in place of the standard table. It looks like it is ideal for mounting a vise all by itself. Makes me think that a bloke could weld up an angle adapter for a vise. You could mill in square right on the machine, drill the holes and be done in time for tea and medals.
Greg
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20th February 2011, 10:08 PM #11Dave J Guest
Some very nice ornaments in that video Greg, not a chip in site.
Did anyone else notice the white coat at 9:08 minutes?
Dave
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20th February 2011, 10:12 PM #12
Funny you should mention that! I did notice it, and thought to myself "white coat,eh? hmmmm. wonder where you get those?"
And I did notice that it is more showroom than workshop. As AB mentioned, using the table saw in there would be neat trick.
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20th February 2011, 10:20 PM #13.
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My, what sharp eyes you have there Dave.
" Ornaments" is an apt description. I don't know how any one could keep that many machines in the condition shown in the video and be using them. I've have 7 machines and that's hard enough.
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20th February 2011, 10:45 PM #14Dave J Guest
I would say the coat is hanging their because it just come back from the dry cleaners, and maybe his house cleaner has the job of keeping the dust off. lol
Seriously though
It is truly a dream shop and I bet it has taken him years to gather them all and get them in that shape. It just shows how far this tool addiction goes.
When I first saw that video I thought it was from "old car guy's" thread from the garage journal.
Their are some shop pictures around post 263, but the whole thread is worth a look at what money can do.
OldCarGuy’s New Toy Shop - The Garage Journal Board
I find my machines end up as benches, then I have to clean them off to use them.
Dave
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20th February 2011, 10:56 PM #15.
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I would say the coat is hanging their because it just come back from the dry cleaners
Cut it out Dave ! I nearly myself reading that. I'm still laughing
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