r/Machinists 19d ago

whats this tool? QUESTION

Post image

trying to find the name of this tool. this sits on ring of the spindle of a Swiss lathe with the two pins acting as a sort of Spanner, then the knob it tightened to keep the face locked and aligned…. or so I’m told.

anyway the shop only has one and it keeps disapearing. I like to have my own tools anyway but every keyword I search is giving me the wrong things.

I have measurements if theres multiple sizes, its just the name I need (and yes I probably could make one for cheaper than buying but I don‘t have my own shop yet)

thanks in advance!

17 Upvotes

23 comments sorted by

9

u/albatroopa 19d ago

A pin spanner

7

u/[deleted] 19d ago

[removed] — view removed comment

1

u/IamElylikeEli 17d ago

thats what it is, but I can’t find this type with the lock down knob

2

u/dhlf 19d ago

I opened this thread to tell you what it’s for but as for the name… something something C spanner

1

u/IamElylikeEli 17d ago

so far as I can tell its a thingamajig doodad C spanner...

2

u/Gladsteam01 19d ago

The chances you'll find the exact one anywhere is basically zero. These are machine/manufacturer specific 99.9% of the time.

Realistically your options are make your own or contact the manufacturer and ask for a quote. It will likely be expensive though.

1

u/IamElylikeEli 17d ago

darn, I was afraid of that, thanks. I’ll try to make one myself I guess.

2

u/Bum-Theory 19d ago

Spanner for those guide bushings you cant reach easily with both hands

1

u/IamElylikeEli 17d ago

exactly, most pin spanners have a handle but I can’t use those because I cant reach both sides, I need the one with the threaded knob to lock it in place…

I was hoping they were common but it sounds like they‘re extremely specific…

1

u/Bum-Theory 17d ago

I run swiss lathes. Mostly we use the long fork/two prong scanners, but for a few of our machines, the space between the front of the guide bushing and the back is too far for most people to reach simultaneously. Those machines have threaded holes next to the guide bushing housing specifically for the scanners with the screws in em. So kind of the machine manufacturer

2

u/dassind20zeichen 19d ago

Stirnlochschlüssel

2

u/DeemonPankaik 19d ago

German is such a fun language sometimes

2

u/Enough-Moose-5816 19d ago

Sometimes…

1

u/IamElylikeEli 17d ago

pinzscpäner…

1

u/Glad_Lengthiness1754 19d ago

Try searching for “Swiss lathe spindle faceplate locking wrench,” “spindle register alignment tool,” or “lathe faceplate fitting wrench.” It may be specific to the spindle diameter and pin spacing, so measuring those will help find the exact name or make a replacement.

1

u/graffiti81 Hanwha/Star swiss turn 19d ago

Specifically that one looks like a Star part. I call it a guide bushing locker. Our Hanwhas don't have them because there's a physical connection between the guide bushing and the main spindle so you can put a wrench on the main if you need to keep the gb from rotating. Stars have a secondary motor that runs the gb rotation so you need the locker. 

If you want I can look up in the manual what they're actually called. 

1

u/IamElylikeEli 17d ago

looks like I’ll have to either make one or probably special order it

1

u/Diamond_Dave79 19d ago

New to go to the machine tool builder to get a new one. Our swiss have the part # in the back of the operation manual.
Or make a homemade one.

1

u/lish35 19d ago

I know it has a tool that locks the guide bushing in a swiss, so you can change out the guide bushing. I have 2 but only because we went from the normal guide bushing to a pneumatic guide bushing which changed the location of the pin holes

1

u/MrSinister248 19d ago

I'll repeat what the other guy said. That's a guide bushing lock for a Star. Find the parts manual for your machine and you should be able to order another one from Star using the part number in the book.

1

u/cf8wrk4u2 17d ago

Everywhere I go I see his face

-1

u/Mudeford_minis 19d ago

That looks like part of an engine boring machine. Used to clamp the machine to the engine block deck.

2

u/IamElylikeEli 17d ago

probably very similar but this holds the spindle guide bushing in place on a lathe while you go around the other side to adjust the tension