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"CORE" IN PRODUCING RECTANGULAR POROUS BRICKS"

07-22

In the production of rectangular perforated bricks, the core head is very narrow, and its perforation diameter is often6.5mm, only M6 threaded core rod can be used, bending stress is very small, easy to skew, just installed core in the face of uneven incoming mud flow core rod around the uneven force tilted to one side, light hole displacement, heavy is a number of core rod squeezed into a pile, half of the extruded mud strip has holes, the other half is solid.

Practice has proved that the positioning plate can effectively prevent this problem. Use a piece that is about wider than each side of the machine mouth.For 40mm steel plate with a thickness of 4mm ~ 6mm, according to the number and relative position of the perforated brick core rod, drill a 6.5mm hole through the core rod on the steel plate, and drill four 12.5mm installation holes at appropriate positions at the four corners of the steel plate. When in use, the positioning plate is sleeved in front of the machine port after the machine port and core tool are installed, make the tip of each core rod penetrate into the corresponding small hole on the positioning plate, and then fix the positioning plate in front of the machine port with four M12 screws and keep the clearance distance between the machine port and the positioning plate above 15mm. Start the extruder', pay close attention to the mud strips that have completely resisted the positioning plate, and stop the machine immediately. At this time, the mud in the machine mouth has completely locked the core rod and core head in their proper positions, and the positioning plate can be removed to start production.

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Control of the extrusion speed of mud flow at each point of the mud section

Tool holder crack

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Control of the extrusion speed of mud flow at each point of the mud section

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Tool holder crack

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