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Knowledge You Can Build On — Est. 1998

My New Laser Rig

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My New Laser Rig

#1

My New Laser Rig

Bill Grumbine, Kutztown PA

>Greetings all

I have had this thing in the shop for a while now, but a steady progression of students and production jobs kept me away from playing with it until last weekend. I will be writing a detailed report on it later on, but I wanted to post some pictures, which I had promised a while ago.


This hollowing system comes from Randy Prevett at www.monster-wood-tool.com. It is a super deluxe setup here, with torque arrested, laser guided hollowing capabilities. I apologize for the distracting background, but that is what my shop looks like.


Here is a shot looking in the other direction. If you look in the background, you can see there is a lot of stuff being ignored so that I can play with this. You can only see one tip in the picture, but there are several tips of varying sizes and angles.

But what a blast it was! It was very relaxing on several levels. One, I was not holding onto the bar to make sure it was in the right position, and that the wood was not twisting it out of that position. That was good news for the tendonitis in my right elbow. Second, when I had to stop or start the machine, I was not holding the tool in position while I contorted myself to reach the switch, all the while hoping not to bump the interior with the tool with the lathe running. I just had to back it off let go, and then find the switch. Finally, the laser itself was very steady in its beam. I expected more vibration and jumping around, but I was able to move the whole thing around like a giant joystick.

Now, I will say that this does not make the process foolproof. It does go a long way towards making the process much more fun, relaxing, and allows the artiste to concentrate on form. As far as that goes, below is a very poor picture of my efforts.


This is a piece of cherry, no finish yet. It is approximately 8" in diameter and 3 1/2" high. I know there are others who are doing this shape, and maybe one of them will want to accuse me of plagiarism! I researched this all the way back to the very first one to do this shape, and it turns out that there is reference to it in a very old book - in the first chapter of that book as a matter of fact. There are no pictures, but the book definitely states that this Person created everything in the heavens and the earth, and I stand by that. In fact, this thing looks rather like an onion - at least to me! But then, I am always thinking about food.

Bill

Re: My New Laser Rig

#2

Re: My New Laser Rig

TomW in SouthJersey

>Bill - Very cool setup. I wish I could justify (convince SWMBO) that I "needed" it. Being left handed doesn't help hone my hollowing finesse.

I believe "The Creator" of the original onion may wish to speak with you. Perhaps this coming Sunday would be an opportune time to chat. (I enjoyed reading your words on the other forum.)

PS - thanks again for the wood. Its being put to good use.

Tom

Re: My New Laser Rig

#3

Re: My New Laser Rig

Ruth in S.Cal

>BIll, it sounds like you are having fun with it and that's what counts.

When I look at this and other types of hollowing rigs, I always wonder why anyone would want to use such a thing. I can't imagine being that far away from the wood.....I assume that I would loose what ever 'feel' for the wood that I Have, and I imagine I would feel like I was turning blind. Never having used one, or seen one in use I can't get a sense of why someone would enjoy using these. Can you tell me how you 'feel' attached to your object when turning?

Re: My New Laser Rig

#4

Re: My New Laser Rig

Paul Porter in Phoenix, AZ

>Ruth,

You arn't that far away from the wood and you can feel plenty. It sure takes the stress out of hollowing. I had carpol tunnel syndrom and could not grip a tool like the Dennis Stewart system for more than two minutes before my hand would go numb and loose control of the tool. And you know how ugly that can be. A captured boring bar rig was the only I could do any hollowing. As with any tool, the more you use it the better the control and feel. Find a turner in your area who has a hollowing rig and take it for a test drive. They are relatively cheap to make if you have the right equipment.

~Paul

Re: My New Laser Rig

#5

Envy! But what is the aluminum table behind it?

Garrett in Victoria

>

Re: My New Laser Rig

#6

Re: My New Laser Rig

John Lucas

>I also think you have a lot of "feel" while hollowing with a captured boring bar. You can just barely kiss the surface on a final pass and really clean up the cut. I turn with my right hand pretty close to the lip of the piece. This gives me a better feel. If you lube the tool rest and captured tool rest the bar slides effortlessly. I use an old candle to wax the rests.

I also have problems with tennis elbow occasionally and the boring bar relieves the stress when this problem acts up.

Re: My New Laser Rig

#7

Re: My New Laser Rig

John Lucas

>Bill

You have too much room in your shop. I could get 3 more tools around the lathe. Of course I'm about 1/3 your size. Glad your having fun with the boring bar.

The piece you turned looks southwestern. Maybe it's a southwestern onion. John

Re: My New Laser Rig

#8

Re: My New Laser Rig

Bill Grumbine, Kutztown PA

>Howdy all

Tom, I have seen some of your pics, but have not had a lot of time to reply. You are doing a good job with that wood. Keep it up, and maybe your SWMBO will let you expand to hollow forms with the "required" tools.

Ruth, I was a little concerned that I would be reduced to machine operator status, but that was not the case at all. Turning the outside is just like anything else. Hollowing is a chore, and this is one way to get it done in a much easier fashion. I do not say faster, although I think that may also be the case, since the person doing the turning can see just where the tool tip is from the laser dot. But, I could still feel the tip of the tool and the action of the tool against the wood, so I am still involved with the wood. All that is gone really is the wrenching of my arm and the uncertainty of going through the side.

Garrett, that aluminum table is the 8 1/2' sliding table on my Mini Max combination machine. It replaced SWMBO for processing sheet goods through the saw. She was more than happy to be removed from that job!

John, I need all that room for the slider on the saw, and shortly there is going to be a big momma bandsaw in there as well. And, like you say, I need a little extry myself.

Bill

Re: My New Laser Rig

#9

I didn't know the TS had a drivers seat NM

MP Wall

>

Re: My New Laser Rig

#10

Re: My New Laser Rig

RonZ

>Tsk tsk, this is as sad as the day you got your duplicator. A sad day in the world of woodturning. =o)

Re: My New Laser Rig

#11

Question?

Jennifer@Indy.USA

>Hi Bill,

On the webpage you give us I find the captive hollowing system, but I don't see the laser part of it? Did the laser come from another source?

Thanks,

Jen

......nice hollow by the way :)

Re: My New Laser Rig

#12

Re: Question?

Randy Privett in IN.

>Jennifer,

I'll answer for Bill, it came from the same place, we haven't had time to update the web site.

Re: My New Laser Rig

#13

Re: Question?

Jennifer@Indy.USA

>Thanks Randy.....where in Indiana are you?

I'm assuming you're affiliated with the tool in question :)

Jennifer

Re: My New Laser Rig

#14

Re: Question?

Jennifer@Indy.USA

>Never mind....I just read the "About us section"on your site...so I'll ask this....how far from Indy are you?

Jen

Re: My New Laser Rig

#15

Re: My New Laser Rig

JamieDonaldson

>Hi Bill- good news! The "Big Guy" who created onions couldn't copyright because onions are definitely useful items (which don't qualify for protection), so the derivitive work made by this Big Guy( hereinafter defined as "you")would be considered "fair use, but at your own risk!

Re: My New Laser Rig

#16

Re: Question?

Randy Privett in IN.

>Jennifer,

We are off of US 36 Due East of Indy. 67 to 36 East, about 6 miles from 3, North East of New Castle.

Re: My New Laser Rig

#17

Makes ya wanna cry LOL

Anthony

>

Re: My New Laser Rig

#18

Re: Question?

rprevett

>Hey Randy, we meet again. You make a good looking rig. When I saw our combined names in Bill's post, I had to smile :-)

rick prevett

Re: My New Laser Rig

#19

Re: Question?

Bill Grumbine, Kutztown PA

>Yeah, Rick, Randy, Prevett, Privett. That is what I get for hitting the post button without checking. You two are probably related anyway if you go back far enough!

Bill

Re: My New Laser Rig

#20

Re: Question?

rprevett

>Bill, we think so too, but keep missing each other at the reunions!!

Re: My New Laser Rig

#21

Re: Question?

Don Evans

>Randy:

Is this holder sold via Packard for you? If so, I have one I purchased through them, like it a lot. Only problem I ran into was the springs being too short. I was using it to capture a metal handle by Glasser.

Reported to Packard but never hear back from them and just wondering if you came up with longer springs?

Don

PS -- unit really helps those of us with back troubles. As far as feel, lets face it, hollowing is boring when you've done it for 25+ years and anything that helps is the way to go.

Re: My New Laser Rig

#22

Re: Question?

Randy Privett in IN.

>Don,

I only sell these in the US myself, in Canada I have a distributor, but it isn't Packard.

Re: My New Laser Rig

#23

Re: Question?

Don Evans

>Interesting, taking a second look, I see a couple of minor differences in them.

Thanks

Don

Re: My New Laser Rig

#24

Probably in that same book...________

Rod Peterson -- Ormond Beach

>

Re: My New Laser Rig

#25

Nuther Question

Ted Owen, Pittsburgh

>Can you get into a high shoulder with those hollowing setups?

Best, Ted

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