Machining for port work

[Gunn]

View attachment 13019

For every jug? There would have to be a better way

Yea it's a lathe

 

[Deets066]

I see this too, a fixture with a base plate like Randy's . Then a cage with four adjustment screws that come in from the sides and land on the side of the base. Or for even more holding power/stability two screws on each side/flat.

That's a possibility, but most jugs won't have enough thickness on the base. Like the 046, especially when removing .040 off the base too

 

[Deets066]

Yea it's a lathe

Your not helping. Lol

 

[jmssaws]

Probably,it's cheap if it's 56 diameter

 

[Deets066]

This thread can be about various things as well. You guys have any pics of how you've clamped parts? Here is how I did an 024 super piston.

 

[Deets066]

@Mattyo, I'd like to see how you do the case milling. Didn't you have a video at one time?

 

[Deets066]

What is your plan with that bullet deets?
Gonna build a 064 hybrid with it? Husky piston?

Sweet mill also

That's the jug I got from you J. Eventually it's goin on my 64

 

[Mattyo]

@Mattyo, I'd like to see how you do the case milling. Didn't you have a video at one time?

many of my vids contain milling, the vids are so boring though, most people never get there

i'll let you cheat and just watch this one...this is an ms200t

 

[Deets066]

That works good cutting the case, but you have to do a full disassembly and new bearings and seals every time?

 

[Mattyo]

Nope

go to 11 min mark or so

 

[Mastermind]

Where I see a mill being most useful is on a clamshell design. I raised the bearing pockets on a wildthing with a boring bar, milling table, and a drill press....

 

[Mattyo]

sounds like a lot of work for a wild thingy...

I like milling husky 350 riser blocks... VERY simple w/ a mill

 

[Mastermind]

I was learning stuff Matt......cheap saws to destroy. lol

 

[super3]

many of my vids contain milling, the vids are so boring though, most people never get there

i'll let you cheat and just watch this one...this is an ms200t

Why do you think +/- .001 is close enough?

 

[Mattyo]

good question... I dunno.... why do you think it isn't?

 

[Deets066]

Why do you think +/- .001 is close enough?

Cuz it's very difficult to get closer than that. My guess is most factory stuff isn't less than a thou

 

[super3]

Matt,
+/- .001 from exhaust side to intake won't be a big deal.

Flywheel to clutch side is going to put side load on the piston.


Deets, I disagree with your thoughts on factory machine centers. Far more accurate than .001.

On a lathe set up you use an indicator with a lot more precision than the type in Matt's vid. .0005 graduations.
Not uncommon at all to get it dead nuts on.

 

[Mastermind]

I aim for zero run out with a .0005 indicator.

Don't always get perfect, but I always try to.

 

[Mattyo]

without a better way to clamp a chassis, I don't think its possible to get more than +-.001. once I have a chassis clamped, I would need to somehow articulate the jhead to compensate for the differential...and I'm not sure it really matters that much.
would be nice to have more control w/ the milling, but I don't

still... I think it just doesn't matter that much... we are talking about a side load of .001...maybe .002 at the top of the travel of the piston. you are assuming that its better than that from the factory?

 

[lwhaples]

Nice looking toys.This is what I use.Would get lost trying to use a mill.