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What replacement head is this?

acrosteve

Aluminum
Joined
May 16, 2013
Location
Ohio
Considering this head on a genuine bridgeport base with ball screws.

It is a 3hp head. Base it is with currently, is not the base I would get.

MillHead3.jpg
MillHead2.jpg
MillHead.jpg

Any advice?


Thanks
 
Well, I now have this head in my shop, so I might be looking for parts after I get it cleaned and inspected...


Anyone know the mfg?
 
Thanks for those suggestions. But I haven't figured it out yet.

I've got this head disassembled now. Perhaps there are some specific areas I could look at to pin the manufacturer down?

One difference is a grease fitting on the lower bull gear bearing, and also another that goes to the downfeed gears. These are definitely absent on my J head
 
The lower spindle bearings are open NSK 7207C SUMP4. There is also YH829 hand etched on one of them.

The top bearing in the spindle assy is a sealed 6206V

I have not come across any serial number anywhere.

Thanks and merry Christmas.
 
I'll be doing something similar soon with my mill head. I was told it was a Clausing but that didn't seem true so I refer to it as a Clone mill. HW Machine has been real helpful sourcing parts. Dscf7261.jpgDscf7262.jpg
 
Back in the day the funny story was that in Taiwan there was a street where all the mills were made and various companies would come in and buy according to price and quality. Then Enco would come in and buy whatever was left

It is just a funny story , but may contain some level of truth. That being that all those mills really are the same, based on the same design, varying only in quality.

Find a machine that is still supported and looks precisely the same and if the part you need is not too spendy, try it.
 
Mark, that head looks very similar. Right down to the directional switch.

Let me know if you have any questions. We've been through this one and replaced most of the bearings.
 
Back in the day the funny story was that in Taiwan there was a street where all the mills were made and various companies would come in and buy according to price and quality. Then Enco would come in and buy whatever was left

It is just a funny story , but may contain some level of truth. That being that all those mills really are the same, based on the same design, varying only in quality.

Find a machine that is still supported and looks precisely the same and if the part you need is not too spendy, try it.

Lots of truth to it. Selection wasn't always QC/NOT and price . It was delivery schedule availability, too. Same thign still applies to lots of goods, Shenzen and not-only. Sort of a logistics and coaleccing exercise making use of a dozen specialists contractors. See also motor vehicles and aircraft.

Machine-tool-wise, it was similar in the UK, Basque-country Spain, Belgium, India, Brazil, and for a time the North of Italy, as folks who had the ORDERS tasked others who had foundry, key skilled staff, or machining resources not fully utilized.

For that matter, the US machine-tool industry has similar beginnings, as-in LeBlond starting out as a supplier of unbranded gearboxes, tailstocks and such for several other makers before they had grown to where they could make "a whole lathe, all our very OWN!"

Not to forget, BirdPort began as a maker of heads ONLY, as with Rusnok & Dalrae, BEFORE the first BeePee head had eaten enough Iron to grow itself a knee, table, ram, turret, and ass "of its very own!" As-did Rusnok/Electro-Mechano. See-also Index and Wells. AFAICS, Dalrae was K&T "captive", so we don't see those often.
 








 
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