Design and Implementation of a Machine Guarding System fora KOMO CNC Router
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Date
2014-12-01
Authors
Defoort, Travis
Abdulkadir, Omar
Chang, Zixin
Lemoine, Eric
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Abstract
The team worked in collaboration with a locally owned, semi-custom cabinet company: Decor, to design an implementable guarding system for a KOMO CNC router machine. The final design consists of physical barriers placed around the machine’s envelope, with the exception of the area in front of the material loader and around the CNC router table. These barriers are 72 inches tall with a 6 inch ground clearance. Two access doors are provided, one by the vacuum pump (50in wide) and one by the tool changer (48in wide). The access doors each require a safety interlock switch which can be purchased for $90.00. The total cost to purchase the metal required for the physical barriers is $5,575.00.Safety floor mats were placed in an L-shaped configuration between the material handler and the router table (17.85x132in), as well as in front of the router table (36x108in). This design requires four mats, 17ft of ramp trim, 22.5ft of machine trim and a manual reset controller. The total cost to purchase the required parts to assemble the safety floor mat system is $4,841.70. A photoelectric sensor is placed in the entrance of the material loader. This sensor is 72in tall and has a cost of $1,737.00. After including projected manufacturing and installation costs to the cost of the components, as well as a 10 % buffer, the total cost of implementing the proposed guarding system was found to be $14,436.63. This price is under the allowed budget and the guarding system eliminates the risk of injury from occurring while using the KOMO CNC router machine. Therefore TAZE Consultants recommends that Decor implement this system.