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Rock crushers for inlay- powered and manual

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Project by Andy Needles posted 08-30-2010 11:34 PM 8167 views 11 times favorited 22 comments Add to Favorites Watch

Hello all,

I’ve had several questions regarding how to build a rock crusher. Attached are copies of my two crushers.

1st one- <$20 and elbow grease

2nd one $120, and plug it in and you can set the fineness of the material. Its called a jaw crusher with a gear motor. It works like a champ as long as you don’t over feed it!!!

The last pic is what the resin and rock mixture looks like before I grind it off.

I have a blog related to this process if you are interested.

-- rustic andy





22 comments so far

View Phil53's profile

Phil53

90 posts in 2370 days


#1 posted 08-30-2010 11:41 PM

Great tool. I love the home made tools (that work), I’ve made a few my self.

View hObOmOnk's profile

hObOmOnk

1381 posts in 2876 days


#2 posted 08-31-2010 12:24 AM

Nice pictures!

I’ve been using crushed rock, and other things, for inlays for several years. I use a steel pipe mortar and pestle much like you have pictured to crush small stones. I usually use native Kentucky stones and minerals. Recently, I started experimenting with crushed Kentucky anthracite coal mixed with brass shavings.

-- 温故知新

View gagewestern's profile

gagewestern

303 posts in 2098 days


#3 posted 08-31-2010 12:40 AM

a blog on the rest of that would be nice

-- gagewestern

View jim C's profile

jim C

1455 posts in 1846 days


#4 posted 08-31-2010 01:22 AM

What the hell is THIS all about?????

-- When I was a boy, I was told "anyone can be President", now I'm beginning to believe it!

View Rick's profile

Rick

7312 posts in 1781 days


#5 posted 08-31-2010 01:57 AM

Jim:

I was wondering the same thing. What do you do with the Finished Product? Put it in a “Finished Woodworking Project”? You have a Blog on this thing? So. Where is it?

-- How long is a Minute? That depends on which side of the Bathroom Door You're On!

View rivergirl's profile

rivergirl

3198 posts in 1586 days


#6 posted 08-31-2010 02:06 AM

Thank you for posting this Andy! Now I get it! :)

-- Homer : "Oh, and how is education supposed to make me feel smarter? Besides, every time I learn something new, it pushes some old stuff out of my brain."

View rivergirl's profile

rivergirl

3198 posts in 1586 days


#7 posted 08-31-2010 02:12 AM

LOL Andy uses the crusher to make the inlays for his beautiful tables and serving trays. :)

-- Homer : "Oh, and how is education supposed to make me feel smarter? Besides, every time I learn something new, it pushes some old stuff out of my brain."

View Rick's profile

Rick

7312 posts in 1781 days


#8 posted 08-31-2010 02:20 AM

Thank you rivergirl. I’ll have to have a look at some of his Projects.

EDIT: I just had a look. You’re right. They are Very Beautiful!! Love to own one of those!!!!

-- How long is a Minute? That depends on which side of the Bathroom Door You're On!

View knottysticks's profile

knottysticks

266 posts in 1777 days


#9 posted 08-31-2010 03:21 AM

Thanks 4 sharing Andy.

-- Everyday above ground is a good day.

View Andy Needles's profile

Andy Needles

107 posts in 2278 days


#10 posted 08-31-2010 04:27 AM

Sorry about the confusion folks- I can’t seem to link the pics, so I posted them here. Here’s the BLOG address: http://lumberjocks.com/rusticandy/blog

-- rustic andy

View swirt's profile

swirt

1952 posts in 1720 days


#11 posted 08-31-2010 05:10 AM

The mortar and pestle pipes are just run by hand or do you hit the pestle pipe with a hammer? How long does that take to crush the rock into a size you need?

-- Galootish log blog, http://www.timberframe-tools.com

View jim C's profile

jim C

1455 posts in 1846 days


#12 posted 08-31-2010 05:18 AM

Sorry, but it looks like B.S. to me.

-- When I was a boy, I was told "anyone can be President", now I'm beginning to believe it!

View jackass's profile

jackass

350 posts in 2461 days


#13 posted 08-31-2010 05:49 AM

I don’t want to be skeptical, but this seems like a process that you are going to have to tell us all a lot more about. Sort of like telling a kid he can have a piece of candy, but he’ll have to make his own if he can find a recipe. You do excellent beautiful projects incorporating whatrever this is all about. Tell us more. Why not use sand, already crushed?
Jack

-- Jack Keefe Shediac NB Canada

View Andy Needles's profile

Andy Needles

107 posts in 2278 days


#14 posted 08-31-2010 06:09 AM

Jackass, its really hard to use your LJ name without sounding like I’m fllaming you! I almost started with “Great question Jackass!” No, that won’t work… but I digress….

Anyway, to the one known as the male member of the equine species, great question! Sand is silica, are often quite hard and they tear up sandpaper, also, colored sand IMHO set in resin lookis exactly like, well like colored sand in plastic. Its just easier on my own head and my eye if I am using naturally colored materials. They look, well ,more natural to me anyway.

I’ll bet someone can do wonders with sand and resin!

heres the blog link explaining the process- http://lumberjocks.com/rusticandy/blog

my computer ignorance kept me from posting them togther- sorry!

-- rustic andy

View Andy Needles's profile

Andy Needles

107 posts in 2278 days


#15 posted 08-31-2010 06:16 AM

The hand mortar is two pieces, (first two pics) you drop a few oz of crushable minerals/rocks into the 2” pipe w/ nipple, then drop the other nipple end, with the collar, and screw it down a few turns onto the threads. Then you slide them together, twisting them also grings/crushes the material well, and the collar keeps most of the material from flying out. Its slow, but effective. I can work 4 oz of material down in about 5 minutes. I use screens to sort the material, and then reinsert the material that is too big.

Regarding the mini jaw crusher- it was sold to me for $50 w/out the motor by a local rock hound. Here’s a link to how it works, only on a much smaller scale.

http://www.usedjawcrushers.com/

-- rustic andy

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