How to build a hydraulic can crusher

Written by gregory taylor
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A hydraulic crusher is a handy machine in any workshop. It will assist you in pressing and crushing objects that are too hard for you to do so with hand tools. Building a hydraulic crusher requires tools and materials that can be bought in any hardware store. Build the frame of the crusher and then build the jack support.

Skill level:

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Things you need

  • Rectangular steel tube, 23 inches, 3/16-inch thick walls
  • 2 rectangular steel tubes, 54 inches
  • 2 pieces of steel, 1 by 12 inches
  • 2 steel angle braces
  • Electric drill and bits
  • 1 rectangular steel tube, 1 by 2 inches
  • Angle iron, 2 by 2 inches, 21 inches long
  • Blowtorch
  • Bolts, ½ inch, 4 inches long, with nuts
  • Coil wire springs, 3/16 inch
  • 2 hooks
  • Measuring tape
  • Wrench
  • Steel plate, 17 3/4 by 4 by ½ inches

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  1. 1

    Using your electric drill and ¾-inch bit, drill holes into the two 54-inch rectangular steel tubes, which will become the upright bars. Drill the first hole 18 inches from the top. Drilling downward, make a hole every 4 inches.

  2. 2

    Weld the three steel tubing pieces together to form a rectangular frame. Use the 23-inch steel tube as the top piece. Weld the steel angle braces on the corners of the frame to provide extra support.

  3. 3

    Weld a 1-by-2-inch rectangular tube onto the bottom of the two upright bars to ensure that the bars do not spread.

  4. 4

    Drill and bolt 2-by-2 angle iron pieces to the bottom of upright bars to act as feet. Bolting allows you to remove the pieces when the hydraulic crusher is not in use, allowing storage of the crusher in a small space. Weld the outside edge of the angle iron pieces to keep them firm.

  5. 5

    Weld a 3-by-12-by-½-inch piece of steel to the bottom of the top part of the frame. This will strengthen the frame and reduce chances of the jack's slipping while the press is in use.

  6. 6

    Drill straight holes into the crossbar of the frame with a ½-inch bit. Thread ½-inch bolts through the holes. The holes should be about 4 inches from the edge on each side. Hang the spring coils from the bolts. Hang two hooks from the coils. This forms the press frame.

  7. 7

    Make a jack support by drilling holes in a 17 3/4-by-4-by-½-inch steel plate. The holes should be the same distance apart as those in the steel frame. Insert bolts in these holes.

  8. 8

    Weld two 1-by-12 inch pieces of steel to the inside of one of the upright bars to act as guiding plates. The pieces should be welded on their sides 2 inches apart to form a channel that is 2 inches wide and 1 inch high. Weld the pieces so that the pieces are parallel to the hanging spring coils.

  9. 9

    Hang the jack support from the press frame using the hooks on the coils and the bolts you inserted in the support in Step 7. Place the jack on the support, ensuring that the jack rests on the support plate when raised.

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