Milled my first cylinder tonight!!!!!

[FATGUY]

I'm not boring the cylinder. I'm machining the base down to decrease the squish. Here is a short vid I did today.

once again, really really good work!

 

[parrisw]

how tight does the slug fit in the cylinder?

Well on that cylinder its pretty tight, since that cylinder is damaged, I have to lock the spindle and turn and pull to get it off.

once again, really really good work!

Thanks allot Nik, that means allot coming from you!!

 

[FATGUY]

Well on that cylinder its pretty tight, since that cylinder is damaged, I have to lock the spindle and turn and pull to get it off.



Thanks allot Nik, that means allot coming from you!!

one thing I forgot to tell you is you have to clean all the carbon off the squish band, if you don't, it may cock the cylinder when you engage the tailstock making it a bear to get off (also a little wd-40 or tapping oil on the mandrel never hurts)

 

[Meadow Beaver]

You gonna try cutting the combustion chamber?

 

[HARRY BARKER]

i guess what im asking is how tight

 

[FATGUY]

i guess what im asking is how tight

how tight isn't really an issue. Less than .001" is idel but in no way required. You need to be square. ie axial run out is more important than radial run out, that's why the squish band should be uber clean.

 

[Saw Dr.]

Hey parrisw, you got it all wrong man. You're supposed to use a wood router for cutting cylinders.:greenchainsaw:

 

[parrisw]

one thing I forgot to tell you is you have to clean all the carbon off the squish band, if you don't, it may cock the cylinder when you engage the tailstock making it a bear to get off (also a little wd-40 or tapping oil on the mandrel never hurts)

Sweet, thanks for the tips!

You gonna try cutting the combustion chamber?

Don't know. Not even sure how to set that up.

i guess what im asking is how tight

Well, it shouldn't really be tight, if machined perfectly, it should slide on and off fairly easily.

 

[parrisw]

Hey parrisw, you got it all wrong man. You're supposed to use a wood router for cutting cylinders.:greenchainsaw:

ha ha ha ha ha ha ha. Ya for sure!!!!!!

 

[HARRY BARKER]

how tight isn't really an issue. Less than .001" is idel but in no way required. You need to be square. ie axial run out is more important than radial run out, that's why the squish band should be uber clean.

understood....just wondering how tight the slug in the cyl is to keep it from slipping....thanks for the reply.

 

[logging22]

I have a working 394 cyl that needs a little off the top. Got a price set yet?

 

[FATGUY]

understood....just wondering how tight the slug in the cyl is to keep it from slipping....thanks for the reply.

the cylinder is not held by friction to the mandrel, the squish band is pushed against the "front" on the mandrel by the tailstock centre.

 

[FATGUY]

sorry if I'm posting so much on your thread Will, but it's rather enjoyable for me. for the record, HE DID AWESOME (I'd rather my employer didn't see this thread)

 

[Saw Dr.]

Great

The price on metal lathes just went up everywhere.

You know at least five people reading this are checking CL right now for a deal.

 

[FATGUY]

Great

The price on metal lathes just went up everywhere.

You know at least five people reading this are checking CL right now for a deal.

that's all good and nice, but a lathe (or any other machine tool) doesn't run itself....

 

[HARRY BARKER]

the cylinder is not held by friction to the mandrel, the squish band is pushed against the "front" on the mandrel by the tailstock centre.

thats what i thought,but i also thought i seen some videos without the tailstock...maybe not..might have been too much bud light.

 

[HARRY BARKER]

how do i check for square?

 

[mtngun]

the cylinder is not held by friction to the mandrel, the squish band is pushed against the "front" on the mandrel by the tailstock centre.

Thanks for explaining that, Fatguy.

 

[046]

looking good!!

 

[FATGUY]

how do i check for square?

mount the cylinder to the mandrel and then check for run out on the base with a test indicator.