How to Make a Cement Mixer

Cement mixers are a useful addition to any workman's toolbox. making your own can be a much easier and cheaper way of obtaining one. This article will guide you with some simple steps.


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    This hand-operated homemade cement mixer is very simple to make.
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    You should be able to construct the entire mixer in an hour or two using just a pipe wrench, a drill with 3/32" and 1/4" bits, a screwdriver, a hacksaw, and an adjustable wrench.
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    Begin the mixer by fabricating the three in-the-drum paddles that will do the blending. If you're lucky you'll be able to find some brackets, corner supports, or angle-iron scrap that can simply be trimmed and set up. If not, however, you'll have to cut the blades from 18-gauge sheet metal, bend them, and drill two 1/4" holes in each section. Then dig identical holes in the tub and hold the agitators in position, using 1/4" bolts. Once that's done, you can also liberally apply bondo to the bottom and sides of the vessel's interior to seal its holes.
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    Then , put together the iron pipe frame by threading the pieces together. Mount the smaller rollers—by pushing a nail into the disks and tee fitting and fastening it with a nut—and attach the main wheels as well.
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    (To be sure the large hubs are held securely in place, first slip the axle shaft through its tubular housing and put on the wheels and washers. Mark and then drill the cotter pin holes as close as possible to the disks, to prevent the shaft from having excessive end play and wobble, then grease the axle and secure the whole assembly with two cotter pins.)
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    The mixing drum rotates on the shaft fastened to the central pipe cross, and is brushed with a section of electrical metallic tubing.Grease the pipe slip the conduit over that, and lubricate the assembly yet again.Slide the tub over the shaft and thread on the pipe cap to hold the components in place.
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    Finally, you can paint the assembly if you wish, and—once you attach a set of bicycle grips to the handles. (Hint: Rotate the drum in the correct direction. the angled paddle blades should bite into the gritty substance and then drop it from the top of the vat.) Of course, if you wish, you can attach handles to the outside of the drum—opposite each paddle—by using longer 1/4" bolts to secure the "mixers." (Be certain that your grips clear all parts of the frame during rotation.)
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    In any case, this simple piece of equipment is well worth the ten dollars or so (and the hour or two) required to assemble it. And—if you hose the drum out thoroughly after each job—you'll have a trouble-free tool for years to come!

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Categories: Concrete