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Shop made parallel clamps

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Project by stefang posted 06-03-2009 10:03 PM 8833 views 62 times favorited 19 comments Add to Favorites Watch

I made these clamps awhile ago and thought some might be interested in how they are made. They were so inexpensive as to be near free. The smaller one was the prototype for the eight larger ones I made. They consist of the wooden jaws, two ‘t’ nuts, two lengths of threaded rod cut at the appropriate lengths, and the turned wooden handles. I can’t remember if I made the collars on the handle, or if I bought them, metal piping can be cut off and used. Be sure to file the edges smooth though as they can cut you if you don’t.

I think the pics are pretty self-explanatory when it comes to how they are constructed. The only thing not visible is the end of the rod at the back of the clamp which just sits in hole drilled half way through the top jaw and with a small washer inserted before the rod to prevent splitting.

For those of you who might not know: To use, you just snug up the front of the jaw on the piece being clamped and then tighten the rest of the way by spreading the jaws at the back This is done by turning the handle clockwise. There are some pretty neat ways to use these clamps. Feel free to let me know if I can answer any questions about them.

-- Mike, an American living in Norway.





19 comments so far

View DaleM's profile

DaleM

958 posts in 4664 days


#1 posted 06-03-2009 10:58 PM

I’ve been wondering what I could do with all the threaded rod my brother gave me. Now I know. Thanks Mike. This is definitely on my to do list.

-- Dale Manning, Carthage, NY

View degoose's profile

degoose

7285 posts in 4634 days


#2 posted 06-03-2009 11:18 PM

You have a real knack for taking scrap and turning it into something very useful

-- Be safe.

View stefang's profile

stefang

17040 posts in 4614 days


#3 posted 06-03-2009 11:23 PM

If you knew me better you would realize that I am much better at taking something real useful and turning it into scrap! which reminds me, did I ever tell you the story about my new lawnmower?

-- Mike, an American living in Norway.

View Loucarb's profile

Loucarb

2388 posts in 4725 days


#4 posted 06-04-2009 12:11 AM

Well done. You can never have enough clamps.

View Junji's profile

Junji

698 posts in 4662 days


#5 posted 06-04-2009 02:00 AM

This is what I needed! Thank you, I will make some soon.

-- Junji Sugita from Japan, http://tetra.blog12.fc2.com/

View a1Jim's profile

a1Jim

118296 posts in 4857 days


#6 posted 06-04-2009 02:23 AM

Hey stefang
good job we all could use a few dozen of these.

-- https://www.artisticwoodstudio.com/videos

View TopamaxSurvivor's profile

TopamaxSurvivor

22783 posts in 4956 days


#7 posted 06-04-2009 03:31 AM

Nice clamps.

No, what did you do to your lawnmower?

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View stefang's profile

stefang

17040 posts in 4614 days


#8 posted 06-04-2009 09:27 AM

Thanks all. I started to make these out of wood with a thread box and tap, but it wasn’t worth all the work, so I went the threaded rod route.

Bob, The brand new lawnmower cost $600 (probably costs $300 in the States). I had it set a little high to miss a sawed off stump. Thought it was set too high. Adjusted it lower. You know the rest.

-- Mike, an American living in Norway.

View TopamaxSurvivor's profile

TopamaxSurvivor

22783 posts in 4956 days


#9 posted 06-05-2009 02:10 AM

Mike, You didn’t bend your crank shaft or break it did you?

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View stefang's profile

stefang

17040 posts in 4614 days


#10 posted 06-05-2009 09:19 PM

No, but something happened and I tipped the mower over to look under while carefully avoiding the rule that I should never tip it that way, and the oil saturated everything. It works, but I think I have to clean the oil off the spark plug. I don’t get along very well with mechanical things except woodworking machinery.

-- Mike, an American living in Norway.

View JLJ's profile

JLJ

32 posts in 4305 days


#11 posted 02-13-2010 03:43 PM

very nice clamps

View waters's profile

waters

369 posts in 4625 days


#12 posted 03-27-2010 07:57 AM

nice clamps, and a great idea! Can’t wait to try this out!

-- Dale, Oregon

View MrDan's profile

MrDan

209 posts in 4568 days


#13 posted 04-27-2010 06:58 PM

Brilliant and simple. I’m going to try this for sure. Thanks for sharing!

View Houtje's profile

Houtje

311 posts in 4252 days


#14 posted 04-28-2010 04:00 PM

Nice clamps…..
Good idea to make some.

View BritBoxmaker's profile

BritBoxmaker

4611 posts in 4316 days


#15 posted 04-30-2010 08:27 PM

These remind me of the toolmakers clamps (metal, I was an electronic/electrical engineer first) that I made during my apprenticeship, 36 years ago. The pattern is identical. I prefer the finish on your’s though.

Martyn

-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging.

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