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Tim Jackson

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"Parting off"-- How to??
Jan 12^th, 2009 at 3:51pm

I was playing around with some stuff last night and was trying to figure out how to "part off" a peice of my work. I was parting a 3" diameter rounded off shape. I tried using my skew, but it just made a very large cut, and then started burning into the wood. I know I should probaly ask these questions "BEFORE" I try it myself, but I am kinda hardheaded about that. (hopefully I won't do something incredibly stupid and hurt myself!). I did finally part it by using a hacksaw and holding the blade to the cut. Is there an easir/better/safer way?? Thanks!!

That Tim guy again.... Grin

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an ex-Army Turner
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Brendan McAreavy

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Re: "Parting off"-- How to??
Reply #1 - Jan 12^th, 2009 at 4:01pm

Use a parting tool.

Cut into the piece at the point you want the base to be and angle the cut slightly towards the centre, i.e. slightly to the right. This will leave a concave surface that will allow the piece to sit flat. When you are cutting relieve the wood to the left to allow yourself more room to work and continue the parting cut at the same angle as before.

If you are parting off a piece of say, branch wood with the bark on, cut at right angles to the piece until you see you are completely through the bark, then cut at a slight angle to the right to get the concave base.

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Tim Jackson

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Re: "Parting off"-- How to??
Reply #2 - Jan 12^th, 2009 at 4:06pm

After doing a quick web search on what a parting tool looks like, I realize I do have a couple of them. What is the difference between one shaped like this:

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and one shaped like:

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I have one of each in this pack of Craftsman tools (definetly can't afford one from these "real" tool makers-- lol) that came with my lathe...

Thanks again!!

Tim

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« Last Edit: Jan 12^th, 2009 at 4:07pm by Tim Jackson »

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Ron Sardo WR Administrator WR Patron Offline Chief cook and bottle washer Posts: 9,675 Drums Pennsylvania USA PM 3520	Re: "Parting off"-- How to?? Reply #3 - Jan 12^th, 2009 at 4:17pm Quote: What is the difference A diamond shaped parting tool is easier to use because there is less area that comes in contact with the wood I have the 1/8" Sorby Diamond Parting Tool and two that I made from sawzall blades, one is 1/16" and the other is 1/32" thick. The
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Glyn Buckley WR Addict Offline WR, the Center of the Vortex Posts: 554 Gender:	Re: "Parting off"-- How to?? Reply #4 - Jan 12^th, 2009 at 4:20pm Just remember not to overreach from the toolrest with the parting tool. DAMHIKT
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John West Active Member Offline WR Rocks! Posts: 191 Gender:	Re: "Parting off"-- How to?? Reply #5 - Jan 12^th, 2009 at 4:23pm The diamond profile tool makes it easier to part the piece without burning. That is, because there is less of the tool side rubbing the wood you don't get friction burns as easily. I too made a thin parting tool from an old sawsall blade. If you do that, grind the teeth off first.
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David Hamann WR Administrator WR Patron Offline papadave Posts: 5,701 Pasco WA Washington USA Gender: Jet 1014VSI	Re: "Parting off"-- How to?? Reply #6 - Jan 12^th, 2009 at 6:15pm i would like to see a picture of the sawzall parting tool if you have one. thanks
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Ron Sardo

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Re: "Parting off"-- How to??
Reply #7 - Jan 12^th, 2009 at 6:49pm

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I made these tools when I first started turning. I was surprised I was able to find the photo so quickly. The two parting tools on the left where the first two tools I made and I still use them today.

The 6th tool from the left is my 1/4" round skew I made I still use that too.

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Bob Wright Active Member Offline WR Rocks! Posts: 244 Consejo, Belize Belize Gender:	Re: "Parting off"-- How to?? Reply #8 - Jan 12^th, 2009 at 8:48pm SAWSALL PARTING TOOL !!!! That's why I love this site. I'm making one first thing in the morning. Thanks bob
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Dennis Barley

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Re: "Parting off"-- How to??
Reply #9 - Jan 12^th, 2009 at 9:46pm

Tim:

If you're using a saw to part something off, the lathe should be OFF. Sticking a saw blade into a spinning piece o' wood is asking for big trouble. When I part off a piece with a parting tool, I make a "relief" cut alongside the place where I actually want the part to be. This prevents too much friction from building up and burning the wood.

Dennis

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David Hamann WR Administrator WR Patron Offline papadave Posts: 5,701 Pasco WA Washington USA Gender: Jet 1014VSI	Re: "Parting off"-- How to?? Reply #10 - Jan 12^th, 2009 at 9:57pm thanks for the photo Ron. just grind off the teeth and put a bevel on the end. will have to give this one a try.
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Tim Jackson Active Member Offline a FAN for Christ Posts: 207 Gender:	Re: "Parting off"-- How to?? Reply #11 - Jan 14^th, 2009 at 3:50pm Thanks guys!! I will play around with the two and see if I can figure this thing out. Tim
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Junior Adams

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Re: "Parting off"-- How to??
Reply #12 - Jan 18^th, 2009 at 11:54pm

Bob Wright wrote on Jan 12^th, 2009 at 8:48pm:

SAWSALL PARTING TOOL !!!!
That's why I love this site.
I'm making one first thing in the morning.
Thanks
bob

Dont tell my wife what i am about to share! In fact, if any of you get caught stealing stuff out of the kitchen, it is not my fault!!!

I have a "half of a butter knife" parting tool. I just use my regular parting tool to get the wood nice and skinny where i want to take it off at, and then i put my butter knife to work. the butter knife is ground with most of the blade length gone for strength, and i use it as a knife really... but it works amazingly well, and has a built in handle!!!

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