The Patented worm gear design driving system combines a very smooth , pulsation-free continuous movement with an energyconscious consumption .
Group has been awarded the project , that included a stringent set of technical specifications . The scope of the supply includes the whole wet side , including : complete storage farm ( made by Cannon Bono Sistemi ), high-pressure multi-component dosing unit ( by Cannon Afros ), pouring and polymerisation section ( by Cannon Ergos ) and the supervision system ( by Cannon Automata ). A East European manufacturer of insulating panels for the building industry has recently ordered to Cannon Ergos a continuous foaming plant for flexible faced panel . A very customer-oriented plant configuration has been developed to match the client ' s expectations . A European manufacturer of insulation panels made with Phenolic foams has commissioned to Cannon Ergos the construction of a new line , including a tailor-made multi-component dosing unit and the longest double belt conveyor ever made so far by Cannon . A very special new plant is on the drawing board at Cannon Ergos plant in Caronno Pertusella , north of Milano , Italy . Its most relevant feature is the width of the double-belt conveyor : 2,400 mm ! Featuring three fixed mixing heads – fitted with the new Pug Beak distribution devices for optimum lay down of the formulation on such a large section – the plant is able to double the productivity of a foaming plant .
Special Solutions for Special Needs The new generation of continuous foaming plants for flexible-faced insulation panels made by Cannon Ergos provides an industrially tested response to a rising need for special types of insulation media . Things are evolving fast in this dynamic sector and Cannon is ahead with innovative and profitable solutions : discuss with the nearest Cannon Local Office the specific needs demanded by your next panel project . A viable solution might be already waiting for you !
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A New Head : JL Vector – Better Laminar Flow at Higher Output !
DESIGNED FOR HIGH-OUTPUT APPLICATIONS REQUIRING A VERY LAMINAR FLOW , THE NEW JL VECTOR IS THE EVOLUTION OF THE CANNON JL HEAD . A DOUBLE MIXING CHAMBER PROVIDES OPTIMUM MIXING EFFICIENCY AND SMOOTH FLOW OF THE BLENDED FORMULATION IN REFRIGERATOR AND PANEL MOULDS .
The never ending search for higher efficiency rigid foams for thermal insulation relies on a new generation of highly reactive formulations requiring a very fast injection . The consequence is that higher output values are demanded to the mixing heads , to deliver the right quantity of blended chemicals before the foaming reaction starts in the mould . These high-output heads generally bring along an increase of turbulence , which hinders the creation of a regular , bubble- and void-free foam . To respond to this increasing demand Cannon Afros mixing head specialists have designed the JL Vector . Built upon the experience matured since 2007 , when the innovative injectors-free JL head was launched , the JL Vector presents a simplification of the hydraulic controls and a significant improvement of the mixing efficiency at high output values .
Special Geometry for Special Formulations The mixing head geometry of the JL Vector is based on three separate mixing chambers of different diameters . A premixing step is carried in the first chamber , where two ( or more ) liquid components are fed through injectors , even at a moderate pressure ( down to 70 bar ). The impinged turbulent blend is transferred to a second mixing chamber , whose section is 3-4 times smaller than the first . Its design forces the blend through a long annular gate where it acquires speed , optimising the mixing and losing turbulence . At the end of this second mixing chamber a forced 90 ° turn brings the blend in a discharge duct that is 10 times wider : here the flow of the reacting formulation loses kinetic energy and turbulence ; through a very long injection duct it is transferred into the mould ( open or closed ) with a very laminar flow , free from splashes , air entrapments or voids . Using the currently available head ( called 15-8- 26 from the diameter in mm of the three chambers ) an injection with laminar characteristics up to 2,700 g / s can be obtained . As a comparison , a standard JL head of similar size provides laminar flow up to 2,200 g / s output .
Several advantages characterise the new JL Vector versus the JL or other models of high pressure mixing heads :
· Its design allows for direct calibration of the flows through the injectors , to manually confirm the output values indicated by the machine electronic control through the flow transducers .
· The hydraulic controls of the three mixing chambers are separated , to simplify normal operations and maintenance .
· A lubrication circuit has been provided on the largest piston , to easily get rid of the scrap foam which builds up on its shaft after a number of injections . Maintenance is simplified .
· The peculiar three-chambers geometry makes this head very suitable for extremely viscous Polyols : positive tests have been run with chemicals featuring 20,000 cps viscosity , measured after blending in a generous percentage of CycloPentane . These Polyols , in their pure state , can have a viscosity of 35- 40,000 cps .
The performances of the JL Vector , fully tested in heavy-duty industrial environment for more than 18 months , allow Cannon Afros to envisage a specific target market of :
· Producers of large sandwich panels for insulation , made with the discontinuous foaming method with formulations requiring output values up to 3 kg / s and based on very viscous Polyols , such as aromatic polyesters and similar chemicals .
· Producers of large refrigerators for domestic and commercial applications , using fast-reacting formulations designed for a targeted 100- second demould time .
· Producers of special , microcellular rigid foams obtained with very viscous Polyols .
Available for the time being in one size , the head is currently being designed in a range of sizes more adapt to other industrial applications . Interested ? Contact the nearest Cannon Office !
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