![]() ![]() > gun uses the same paper or plastic cups and the same nine different > means less wasted material because there is no need to pre-catalyze. > and molds, but with external mix for the catalyst. > Also an inexpensive gel coat gun for spraying small to medium size parts > Catalyst Mixes While You Spray External Mix Cup Gun > a 3/16" ID nozzle, but others are available (see below). ![]() > merely remove the cup form the gun, and just clean the lid and nozzle. > coat and provides a uniform, high velocity spray pattern. > level position, depress the trigger and the air stream picks up the gel > pressed on, and the cup is then placed on the gun. > mixed in the disposable paper cups, the lid and nozzle assembly are > avoids the pitfalls of a regular spray gun. > Avoids the high cost of catalyst injector systems and at the same time > An inexpensive gel coat gun for spraying small to medium size molds. Use a saturation roller to remove trapped air. > Ideally suited to quick mold or part build-up once the first layer or two > layer of 1 oz mat onto a vertical surface without fall-off before wet-out. This gun will deposit the equivalent of one The length of the fibers can be varied from Resin is then applied by brush, roller or The gun then chops the roving into short pieces and > A hand held, variable speed air powered chopper gun for coating molds or > these descriptions of chopper and 'cup' guns. > Copied from the Fibreglast ( yes, they DO spell it that way!) website are > break down in mid-project could be a bummer. > hundred dollars in a multi thousand dollar project, but having a used one > price you might want to start with new tools. > on many fiberglass construction techniques. > Fibreglast (sells NEW chopper guns and has the > popular in Australia than in New England, so you may want to look for > impression that building sailboat hulls from ferro-concrete was much more > book on the subject and know that there must be several others. > wired together, and plastered with concrete. > and costly) as the iron framework is easily and quickly bent to shape, There would be no form 'cutting' or mold making (time consuming > of that size concrete could be a real advantage in both construction time The improvement in cosmetics and the reduction of air voids also reduces the need for rework once a part is pulled.> Have you considered using ferro-concrete instead of fiberglass? For a hull FSNR was developed to compress when sprayed which greatly reduces air voids in the laminate. It creates uniform and beautiful parts.FSNR includes our patented shrink-reducing technology and practically eliminates the print-through and orange peel of traditional FRP parts.FSNR also minimizes PIN air against the gel coat and builds parts with excellent cosmetics.It also reduces overall VOCs because FSNR contains 24% styrene when compared to 34% in typical laminating resins. It limits worker exposure to harmful VOCs because it removes the need for workers to be up close to roll the surface of the part.This is also ideal for manufacturers that use robotic spray-up lamination to manufacture products from start to finish with minimal human involvement. Larger and/or assembly line parts may require one helper. One person can manufacture large and complicated parts in half the time it would normally take to build the same part using traditional build methods. Only the chopper-gun operator is needed to build most parts. It greatly reduces labor by removing the rollers.The FSNR system has several major benefits for part building when compared to traditional neat-chop and roll manufacturing. Sprayed as a chopped laminate with fiberglass, it provides very fast processing times while also creating high-quality and uniform parts every time. Fiber Shield No Roll ™ (FSNR) is the first and only lamination system designed to eliminate the roll-out stage of open-mold lamination. ![]()
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