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Aluminum Bonsai casting on walnut/maple base.

Project by grained posted 35 days ago 267 views 2 times favorited 5 comments Add to Favorites Watch

Sorry about the bad images. I took them with my cell phone. I am taking a metal foundry class at the U of Mn this semester. THis aluminum casting was for my first project. Bonsai tree. Aluminum with copper plating. I spent only a few hours on the casting but put a good ten hours into the board I mounted it on. Board is Walnut and maple with the maple being the thin strips running through it. They are glued in at different levels to add depth.

Process..
Step 1 Pick out one nasty looking walnut not sure how its cured or milled board from the stack and pay $3 for it.
Step 2 Attack with Joiner/planer to get a straight edge. OY.
Step 3 Tablesaw for a second edge
Step 4 Run it through the planer repeatedly to get a flat face on the board
Step 5 More Planing.
Step 6 Bansaw in long curved cuts dividing board into 3 freeform sections
Step 7 Use tablesaw to cut 3 long thin strips of hard maple aprox 1/8”thick.
Step 8 Assure shop attendant you have not gone insane and do know what you are doing. Steal their glue and go hide in foundry
Step 9 USing 7 pipe clamps glue up all the boards. Thin strips of maple go between walnut. Strips are thin enough to bend along the sawn curves.
Step 10 Hope it holds and go play with the electroplater in the next room while waiting for glue to set.
Step 11 Unclamp, take it home, once again reassure (this time the boyfriend) that you have not gone insane.
Sand through two movies and get rid of all remains of glue.
Step 12 Stain, Dry, Sand, Repeat. 4 times.
Step 13 Drill a hole to mount the casting via the sprue (chunk of metal sticking off back) and hang piece on wall of critique room
Step 14 Have it get critiqued by advanced art students looking for meaning when really all you sought to do was create an appealing restful piece mounted on one dang purty board.

  • if anyone is interested the bonsai was created by carving the negative image of the bonsai into one side of a block of sand (The mold) The block was then glued back together, drilled for vents, and sprued to allow for the metal to be poured in. We melted the aluminum in an induction furnace. USed two person lifts to raise and pour the metal out of the crucible into the mold. Fun stuff. Bronze lost wax method is next.

-- ~too many hobbies, not enough free time.


5 comments so far

View DAN 's profile

DAN

6446 posts in 879 days


posted 35 days ago

looks great … castings are good … welcome to lumberjocks …
...
nice sand carving too

-- work from your heart and your spirit will live forever

View patron's profile

patron

2422 posts in 237 days


posted 35 days ago

hey girl ,
nice first piece ,
and a great step by step on the process .

all i can ask for now is maybe bigger pictures ,
as my eyes aren’t what they used to be .

thank you .

-- david ,new mexico ,allheart

View a1Jim's profile

a1Jim

16904 posts in 473 days


posted 35 days ago

Amazing well done

-- Jim from Heirloom Woodshop Southern Oregon

View grained's profile

grained

37 posts in 377 days


posted 35 days ago

Thanks. I am picking up some batteries tomorrow so I can get some better shots. Its a fun class. We have a great professor.

-- ~too many hobbies, not enough free time.

View notottoman's profile

notottoman

453 posts in 126 days


posted 34 days ago

Cant see the images…
But I must say…..... alot of work as you describe…
What satisfaction after all is said and done.. Hey?

-- "Even small steps makes a distance." (Shawn Phillips, musician)

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