Automation for precast hollow-core slab production
A new automatic modifier for precast hollow-core slab production has been launched. The machine allows for the marking and digging of cutting lines and openings and aims to reduce concrete consumption in precast plants.
Elematic’s Modifier E9-1200m is used for digging openings and recesses and drilling water holes on fresh concrete slabs on a hollow core production line. The machine can also plot cutting lines, openings and text. The modifier is designed for automatic operation but can also be operated in semi-automatic and manual mode.
Automatic Concrete Recycling
The unit features concrete recycling by not using any water in the digging process, which means that concrete removed from openings can be recycled back to the extruder in the hollow-core slab production process. Coupled with the Elematic Extruder E9, the smart recycling system can feed used concrete back to the production process. Slab quality is ensured by mixing the used concrete gradually with fresh concrete, within a time limit. Used concrete will not be fed back to the process if it is older than a factory-specific preset time value. Concrete consumption is potentially further reduced by the machine’s digging mechanism that aims to leave a minimum amount of concrete on the bed.
Time-saving
The modifier saves time by eliminating the need for manual marking of cutting lines or making openings for lifting loop installations and through holes. The machine uses wireless technology to transfer bed plans to its FloorMES manufacturing execution system and it can take the plans directly from building information modelling systems.
Location information is acquired from the laser positioning system. The laser uses a mirror at the end of the bed to measure distance. Decreased manual input aims to improve production efficiency, reduce human error and improve safety on the shop floor.
Built-in Safety
Built-in safety features include a safety buffer on both ends, including light sensors which protect the area in the middle of the buffers. Ultrasonic sensors add to safety and allow the operation to pause when close to the extruder, for example. The operation can be resumed when the obstacle moves away.
The Modifier E9 is now available from Elematics.
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