SYSTEM AND METHOD FOR OPTIMIZING THE WRAPPING OF PALLETIZED LOADS WITH FILM AND WRAPPING METHOD FOR A WRAPPING MACHINE
Abstract:
A method for determining a wrapping configuration of a film (50) wrapped around a group of products to form a palletized load to be moved and/or transported along a settled path (P), comprising the steps of: forming a palletized load (C) by grouping and wrapping a determined group of products (L) with the film (50) using a defined wrapping configuration (A) (step 1); detecting and measuring a set of physical quantities (G cin ), in particular kinematic-type quantities, acting on said palletized load (C) as a result of movements and/or stresses the latter is subjected to when moved along a plurality of different test paths (P 1 , P 2 ,..P n ) and associating to each test path (P 1 , P 2 ,..P n ) one respective set of physical quantities detected and measured (step 2); defining each test path (P 1 , P 2 ,..P n ) as composition of a respective sequence of elementary path stretches (p 1 , p 2 ,..p m ) (step 3); associating to each elementary path stretch (p 1 , p 2 ,..p m ) a respective group of physical quantities (S 1 , S 2 ,..S m ) detected and measured in the elementary path stretch (step 4); defining from the elementary path stretches (p 1 , p 2 ,..p m ) of the test paths (P 1 , P 2 ,..P n ) a set of base elementary path stretches (p 1 , p 2 ,..p m ) which respective groups of physical quantities (S 1 , S 2 ,..S q ) are associated to (step 5); obtaining the path (P) as suitable composition of base elementary path stretches (b 1 , b 2 ,..b q ) (step 6); obtaining calculated physical quantities (G cini,v IP) acting on said palletized load (C) along the path (P) as composition of group of physical quantities (S 1 , S 2 ,..S q ) associated to base elementary path stretches (b 1 , b 2 ,..b q ) (step 7); positioning the palletized load (C) on a motion platform (10) and inputting the calculated physical quantities (G cin,v lP) as driving data of the motion platform (10) (step 8); operating the motion platform (10) on the basis of the calculated physical quantities (G cin,v IP) to perform a simulation of movements and/or stresses acting on the palletized load (C) moved and/or transported along the path (P) (step 9); checking if the palletized load (C) wrapped with the film (50) according to the wrapping configuration (A) has remained stable and/or compact (step 10); modifying the wrapping configuration (A) if the palletized load (C) did not remain stable and/or compact (step 11) and repeating the steps of positioning, operating, checking and modifying (steps 8-11) until the palletized load (C) is stable and/or compact; storing a stability wrapping configuration (AS/C,P) of the film (50) wrapped around the group of products (L) adapted to maintain the palletized load (C) stable and/or compact when moved and/or transported along the path (P) (step 12).
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