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Fig 7.5 UNTENSIONED FILM

Fig 7.6 TENSIONING FILM

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Summary of Contents for CRL 40

Page 1: ...Provided By http www MyBinding com http www MyBindingBlog com USI CRL 40 Laminator Instruction Manual ...

Page 2: ...ng Technique Side by Side laminating Thick items Fan control Temperature settings Closing down Film Removal Preventing Wrap Around 10 Cleaning 23 11 Manufacturers Recommendations 24 Film Types Film Gauges Volumes Stock Weights 12 Laminating Tips 25 De curling Join Splices 13 Fault Finding 26 Poor film adhesion Laminate Curl Lack of edge seal down Creasing Longitudinal creasing of film Film sweatin...

Page 3: ...rmally laminate graphic materials in written printed copied photographic or drawn form The machines have been designed to produce high quality lamination with a minimum level of skill and machine control To ensure that you receive optimum results from your laminator and to prolong its working life please follow the installation operation and maintenance instructions in this manual Read the manual ...

Page 4: ...mil to 5mil Maximum thickness 1 8 3 INSTALLATION 3 1 Positioning The laminator should be positioned on an unobstructed level surface with access to all sides particularly at the rear of the machine for the operator to clear the laminated web exiting the machine The laminating process uses heat and it is important that the machine is placed in climatically stable area that is not excessively cold D...

Page 5: ...op roll of film 3 Upper film Mandrel shaft 4 Upper idler bar obscured by top heat shoe 5 Power light red 6 Speed control 7 Fan switch 8 Bottom film mandrel brake adjustment film tensioning 9 Lower idler bar moveable easy load mechanism obscured by lower roll of film 10 Lower film mandrel shaft 11 Temperature Controller 12 Thermostat light red 13 Reverse Off Forward Control 14 Main power switch on ...

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Page 7: ...r pressure to form a hot sticky sandwich of film Two pull rollers stretch the film flat while it is being cooled by fans Articles are fed between the two film layers as they enter the laminating nip and are encapsulated between the two film webs Under heat and pressure the two adhesive film layers impregnate the article s surface with molten adhesive providing a long lasting flexible airtight seal...

Page 8: ...fer page 16 the rollers should be allowed to rotate for a further 10 minutes h Reduce the temperature to 250 270 F the normal laminating temperature The machine is now ready to load film Full warm up time usually takes 20 25 minutes depending on the climatic conditions While the heat shoes may reach operating temperature quite quickly indicated by red light good lamination requires evenly heated r...

Page 9: ...Section 12 2 Page 24 Slide your roll of film onto the supply mandrel As it is rotated the roll should lock The film position on the top mandrel should unroll from top towards the operator The film on the bottom mandrel should unroll from top away from the operator 7 4 Remove the feed table to facilitate film loading 7 5 Release the tension control on top and bottom mandrels so as the film unwinds ...

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Page 12: ...be tacky so that they bond together See Fig 7 2 Fig 7 2 POSITIONING BOTTOM WEB HINT Having threaded the bottom film web hold it away from the top web Visually align the two webs adjusting the bottom web by small sideways movements until you are satisfied it is as accurate as you can achieve See Fig 7 3 Fig 7 3 ALIGNING FILM If the webs are not accurately aligned the exposed adhesive will build up ...

Page 13: ...he occurrence of wrap around make sure the laminated web can t double back into the back rollers by pulling it away as it emerges To STOP the motor switch to STOP position 7 13 Assess the operation Satisfy yourself that the film webs have not fouled during thread through See Section 9 1 Wrap arounds Page 21 Re start the forward movement and gradually tighten the brake control on the film mandrels ...

Page 14: ...13 Fig 7 5 UNTENSIONED FILM Fig 7 6 TENSIONING FILM ...

Page 15: ...te Testing the Lamination Before feeding through work for the first time it is advisable to test laminate a piece of waste paper card preferably black which shows faults more clearly Lightly cut a cross in the film and try and peel the film If it does not peel cleanly it is a good lamination By cutting the laminated plastic that is now hanging from the back of the machine you can judge if you have...

Page 16: ...m roll Thread under top idler bar Lay on heat shoe with 1 fold back Place bottom idler bar in load position Load bottom film roll Check alignment with top roll Thread under idler bar and lay on the top film web Push idler bar into run position Replace feed tray Start machine and push feed plate into nip Ensure feed plate and film exits the machine cleanly Stop machine and cut off feed plate Remove...

Page 17: ...th a test laminate preferably a dark colour A quick way to shorten the warm up period and to eliminate cold spots is to run the machine with just the film webs passing through the machine The passage of hot film accelerates the heating of the laminating rollers While not recommended due to the loss of expensive film it may be useful in urgent situations CAUTION Good quality lamination can only be ...

Page 18: ...r warm up time and rotate the rollers more frequently A quick way to shorten the warm up period and to eliminate cold spots is to run the machine with just the film webs passing through the machine The passage of hot film accelerates the heating of the laminating rollers While not recommended due to the loss of expensive film it may be useful in urgent situations 9 2 Curl An imbalance in roll brak...

Page 19: ... Hold the item for as long as possible to prevent the trailing edge from buckling Fig 9 2 CORRECT FEEDING TECHNIQUE CAUTION Always keep your fingers clear of the laminating nip ensure that no loose clothing e g ties come close to the laminating nip 9 4 Side By Side Lamination When wide lamfilm is loaded you may wish to laminate items side by side Very useful for small numbers of odd sized items Th...

Page 20: ...g waves when using soft gauge films this can become more pronounced on continuous run quantities 9 7 Temperature Settings Your laminator should be set at 270oF during the warm up process to accelerate heat absorption by the nip rollers ONCE WARMED UP THE NORMAL OPERATING TEMPERATURE IS 250oF This is the recommended laminating temperature for all 76 micron film Do not increase heat excessively i e ...

Page 21: ...f the unmatched webs are run through the machine the tails will coat the laminating rollers with adhesive and require lengthy cleaning a Switch to STOP b Cut the laminated film that is hanging out of the back of the machine close to the rear rollers c Cut top and bottom webs close to the idler bars ensuring you do not scratch the heat shoes See Figs 9 2 and 9 3 Fig 9 2 CUTTING TOP WEB ...

Page 22: ...21 Fig 9 3 CUTTING BOTTOM WEB e Switch to Reverse d Holding the loose web firmly reverse the film out of the machine assisting its path by pulling towards you See Fig 9 4 Fig 9 4 REVERSING FILM OUT ...

Page 23: ...does occur you can easily correct it by reversing the direction of the rubber rollers permitting the laminator to release the plastic from the rolls a Remove the feed tray b Cut the plastic web on the top and bottom just in front of the idler bars c Disengage the plastic from the heat shoes and grip the two loose ends firmly together d Turn the motor control switch to reverse e Pull the plastic fi...

Page 24: ...ad can be used DO NOT use excessive amounts of kerosene or leave the rollers too wet DO NOT use metal scouring pads or abrasives DO NOT pick at the adhesive or use any sharp objects near the rollers DO be patient Any cuts or holes in the laminating rollers will show up as marks on your laminated work and can only be rectified by replacing the rollers CAUTION Under no circumstances use Alcohol Petr...

Page 25: ...e heat shoe and the laminating rollers This requires evenly heated nip rollers to compensate They are very sensitive to temperature fluctuations and cold climatic conditions especially when starting from cold For best results use the following precautions Allow a much longer warm up period Lift temperature to 270 280oF 11 3 Stock Weight Minimum weight of stock to be comfortably laminated is 50lb l...

Page 26: ...ced with red heat resistant tape These join splices while undesirable are unavoidable and must be considered a normal laminating event Every roll with a join splice contains a warning label If you receive a roll of film that contains a join splice place it on the top film position so you can watch for the spliced section during operation When it appears apply slack on the supply roll to minimise t...

Page 27: ...y card can draw essential heat away from the laminating nip Warm the stock or start laminating thinner items first until the machine is fully warmed up Possible Cause Lack of nip roller pressure extremely rare Possible Solution The rollers may be forced apart with excess adhesive residue or scraps of film or paper wound around the front rollers Inspect and if necessary clean rollers Possible Solut...

Page 28: ...er than the poster is wrinkling in the direction of the film path This fault usually indicates that there is insufficient tension on the laminating film Possible Solution Tighten brake knob on the appropriate film mandrel and ensure that the film passing over the heat shoe is wrinkle free as it leaves the lower section Caution do not over tension the film Possible Solution Check that you have the ...

Page 29: ...evident when laminating long runs with no fan Ensure the fans are on and feel the rear pull rollers if they are hot cease laminating and let them cool down 13 9 Film Wrapped Around Rollers Wrap Around Problem Film has become wrapped around the rear pull rollers Usually occurs when loading film with imbalanced tension settings or with 38 micron films Possible Solution See Section 9 10 Wrap Arounds ...

Page 30: ...2 Return the tear off section to U S I INC 98 Fort Path Road Madison CT06443 within one calendar month of purchase ACTION TO BE TAKEN IF THE EQUIPMENT IS FAULTY 1 Contact the distributor from whom you purchased the machine 2 Quote the details contained on your portion of the warranty sheet THIS WARRANTY BECOMES INVALID UNDER THE FOLLOWING CONDITIONS 1 When the equipment has not been operated in ac...

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