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Deckel indexing head and universal table
- Thread starter MikeLDN
- Start date
- Replies 14
- Views 3,338
AlfaGTA
Diamond
- Joined
- Dec 13, 2002
- Location
- Benicia California USA
Plus 1 on the table being Maho...
As to the dividing head...looks similar to Deckel , but some details don't agree....Appears to be a plunger at the rear (1st photo) that seems to be for
doing direct indexing....AFAIK Deckel never used such a plunger setup on the dividing heads, but rather a lever that controlled the index pin. Maybe someone can confirm that they have seen such a plunger setup on a known Deckel head.
The lever (Deckel) was fitted into a key shaped slot to allow engaging the pin or locking the pin out. This head setup looks different.
Cheers Ross
As to the dividing head...looks similar to Deckel , but some details don't agree....Appears to be a plunger at the rear (1st photo) that seems to be for
doing direct indexing....AFAIK Deckel never used such a plunger setup on the dividing heads, but rather a lever that controlled the index pin. Maybe someone can confirm that they have seen such a plunger setup on a known Deckel head.
The lever (Deckel) was fitted into a key shaped slot to allow engaging the pin or locking the pin out. This head setup looks different.
Cheers Ross
Peter from Holland
Diamond
- Joined
- Jan 15, 2005
- Location
- The Netherlands
Both defenitly not Deckel
But if it fits who cares
Peter
But if it fits who cares
Peter
Plus I can't see the spots on the periphery of the SK40 spindle on the head, hence the chuck mounted on an arbor. But pic is not that good.
Regards,
Thanos
AlfaGTA
Diamond
- Joined
- Dec 13, 2002
- Location
- Benicia California USA
Thanos:
Deckel did make a Morse spindle Dividing head.....But if that were the case the end would be threaded.
Cheers Ross
Deckel did make a Morse spindle Dividing head.....But if that were the case the end would be threaded.
Cheers Ross
Yeap, I know, I happen to have both SK40 and MT4 heads... The thing with this one though is that it's definitely a SK40 but without the dimples for the accessory set screws (at least as far as I can tell from the pics)
+1 on this (though, arguably, if you have deckel accessories like the centering vise it's nice to be able to just fit them)
BR,
Thanos
Yeap, I know, I happen to have both SK40 and MT4 heads... The thing with this one though is that it's definitely a SK40 but without the dimples for the accessory set screws (at least as far as I can tell from the pics)
+1 on this (though, arguably, if you have deckel accessories like the centering vise it's nice to be able to just fit them)
BR,
Thanos
Thank you all, once more.
I bought this indexing head!
It is in decent condition but I wanted to disassemble it anyway, to check and clean. It went straightforward, I've removed the main spindle and "external" parts.
I'm worried with getting the worm gear part.
There is a rubber made gasket (number 1) and I would like to leave it as is, not sure I can find it as spare if it falls apart - must be old.
So, is this mandatory? Can I get out the worm gear (and spindle) some other way? I have added two more images, with parts enumerated, hoping some experience guy will tell me to simply unscrew something or use hammer to knock it out
Cheers,
Ivan
I bought this indexing head!
It is in decent condition but I wanted to disassemble it anyway, to check and clean. It went straightforward, I've removed the main spindle and "external" parts.
I'm worried with getting the worm gear part.
There is a rubber made gasket (number 1) and I would like to leave it as is, not sure I can find it as spare if it falls apart - must be old.
So, is this mandatory? Can I get out the worm gear (and spindle) some other way? I have added two more images, with parts enumerated, hoping some experience guy will tell me to simply unscrew something or use hammer to knock it out
Cheers,
Ivan
AlfaGTA
Diamond
- Joined
- Dec 13, 2002
- Location
- Benicia California USA
Don't see any images...
There are no rubber parts inside the Deckel dividing head.....no elastermic seals or "O" rings. Just metal parts.
To remove a worm wheel usually one must disengage the worm.
Most worm and wheel setups have a method to adjust the engagement of the worm to the wheel...The usual setup is an eccentric carrier that will move the worm into or
away from engaging the wheel if that housing is rotated....
Often there is a retaining pin or screw that keeps the housing in place once adjusted....Its not unusual for the worm and its housing to be removable as a assembly, but as with all things
unknown, your results may vary....
Cheers Ross
There are no rubber parts inside the Deckel dividing head.....no elastermic seals or "O" rings. Just metal parts.
To remove a worm wheel usually one must disengage the worm.
Most worm and wheel setups have a method to adjust the engagement of the worm to the wheel...The usual setup is an eccentric carrier that will move the worm into or
away from engaging the wheel if that housing is rotated....
Often there is a retaining pin or screw that keeps the housing in place once adjusted....Its not unusual for the worm and its housing to be removable as a assembly, but as with all things
unknown, your results may vary....
Cheers Ross
There are on this one
I probably have a good clone, it was cheap and fits 100%. I have inspected it, I could see from outside both gears...no signs of excessive usage. I will just clean it, fill with lithium grease and start using.
Thank you Ross
AlfaGTA
Diamond
- Joined
- Dec 13, 2002
- Location
- Benicia California USA
Ok now i can see the images...
Looking at the bottom end of the worm shaft (4) there appears to be a flat head screw in the smaller disc, as well as two holes in its face...guessing the holes are for a pin spanner and the screw is a
lock of some type....Potential adjustment and retention for the worm.....Don't know. Almost think i can see the edges of a fine spline outside the disc....Disc may be engaging the spline and could be moved to change its relationship to the outer housing....appears to be offset (eccentric) Any change in rotation would change the engaged position of the shaft...(adjust backlash)
Looks like your head has a seal for the spindle to keep coolant and grit out of the rear...Might be difficult to remove that seal without killing it.....Decision to clean and lube without further disassembly
sounds like a prudent choice...
Cheers Ross
Looking at the bottom end of the worm shaft (4) there appears to be a flat head screw in the smaller disc, as well as two holes in its face...guessing the holes are for a pin spanner and the screw is a
lock of some type....Potential adjustment and retention for the worm.....Don't know. Almost think i can see the edges of a fine spline outside the disc....Disc may be engaging the spline and could be moved to change its relationship to the outer housing....appears to be offset (eccentric) Any change in rotation would change the engaged position of the shaft...(adjust backlash)
Looks like your head has a seal for the spindle to keep coolant and grit out of the rear...Might be difficult to remove that seal without killing it.....Decision to clean and lube without further disassembly
sounds like a prudent choice...
Cheers Ross