Hi again, the machines i have seen have a vibrator which presses down the mixture into the mould then releases the bricks onto a board which is left outside to dry & harden.
I am looking to build a machine like this.
Hi, those machines are too large & expensive. Im trying to build a small machinery with a vibrating press which presses down the mixture into the mould then releases it. Can anyone help?
You need hydraulic cylinder and an electric motor to begin with.
Build a mold that opens in the middle and will open and shut by hyd cylinder to relies the brick from the mild
On a frame place another hyd cyl that will have the inserts for the hollow space in the brick, and on top of the plate, place the motor with an eccentric weight on the shaft that will bring the vibration.
You will also have to have a brake on the vibrator to stop the vibration before the brick is realeased from the mold. Electro brakes are available for this purpose. I made cinder blocks back in the 60's using several machines over the years. All of them used a box open at the botom and top and shaped for the block being made. A movable platform that could be raised to close the bottom of the mold, supported a steel plate for the fresh blocks to set on. material was dumped into the top, vibrated to proper height and then striped from the mold by lowering the platform. A follower plate came down on top of the meterial in the mold to level and help compact as well as help push the new formed block out of the mold. The steel plate with the block on it was removed from the platform and transported to drying racks. Our brick mold made 20 brick at the time standing on end. The machine companies back then were (in order of capacity) Lith-i-bar, Columbia Machine of Vancover, and Besser. I don't know if any of them still exist.
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Thanks for the reply, i got a video of a small machine that i want to build which uses the hydraulic cylinder & motor. This is a video of how the machine works.
http://www.youku.com/v_playlist/f273938o9p1.html
What do i need to build a machine like this?
Thanks, you guys are a great help.
You can also use an extrusion process. Extrusion is very cost effective, however, the rheology window on the mix is critical. Basically, use a plug mill and a wire cut for the brick thickness at the extrusion die. You must also know your shrinkage, function of the mix and other oxides used in the formulation.
Thanks Ydobon, my budget is $1000 USD, would this be enough?
Could you pretty please give me a list of the material that i need to build the extrusion machine so i could do some research, i would really appreciate that!
Thanks.