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Rim Crusher Get Rid Of Tires Fast
Paul Miller's crusher makes light work of removing tires from old rims. It was cheap to build, too, which is important when rims are being sold for scrap.
"If I don't count labor, I have about $50 in it, and that was mostly for the old hydraulic cylinder," says Miller. "Still, it works great. I can crush a 20-in. truck tire in about four minutes."
Miller says the secret to crushing the big truck rims is to set the cutting point against the valve stem, as the rim at that point is often already cracked. However, the real key is to build a strong crusher.
Miller used a section of bus frame left over from a trailer-building project. The 10-ft. long section only needed a few additions to form an ideal platform for crushing rims.
The 5-in. hydraulic cylinder came complete with a steel plate at the butt end that Miller welded to a cross piece on one end of the bus frame. At the other end of the frame, he centered a 5-ft. length of I-beam between the frame sides and welded it to cross supports.
The ram end of the cylinder, with its 4-ft. reach, uses its original clevis and 1-in. pin to connect with the cutting blade fixture. To hold the cylinder arm and cutting blade in line, Miller welded two pieces of steel to the base of the cutting point and wrapped them around the I-beam.
"When the cylinder extends, the cutting point rides down the I-beam toward the backstop," explains Miller. "I put a cutting point on the backstop also to crush the rim from both sides."
A platform for the rims to rest on at I-beam level was made from four pieces of 4-in. channel iron and some scrap steel plate. Two pieces of channel iron are welded to cross supports on either side of the I-beam. The other two pieces are welded to the outside beams of the bus frame.
Miller welded the backstop to the I-beam. It is reinforced with a brace welded to 2 by 2-in. steel tubing that is welded across the end of the frame.
"I made the cutting blade and the cutting point for the back stop from new grader blade sections," says Miller. "I've crushed quite a few rims, and I have seen no signs of stress on the crusher. The tractor hydraulics will bail before the crusher will."
Contact: FARM SHOW Followup, Paul Miller, 1312 Highway 69, Belmond, Iowa 50421 (ph 641 444-4671).

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2007 - Volume #31, Issue #6