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Operation |
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Film is loaded on the appropriate unwinds. Loading |
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and aligning the film are discussed later in this section. |
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For applications such as encapsulation, film is fed from |
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both the top and bottom feed unwinds. |
| range of pressure sensitive and thermal laminates onto | |||
The process of loading and aligning film is the same |
| an equally wide range of image materials. The primary | |||
| considerations are: | ||||
for both the top and the bottom unwinds. There are two |
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| • Laminate adhesives are compatible with image | ||||
important points to remember when loading film: |
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1. The adhesive side of the film must be oriented |
| materials. | |||
| • The materials properly activate below the maxi- | ||||
away (on the outside) from the laminating roll. |
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Otherwise it will immediately bond to the roll, cre- |
| mum roll temperature and within the speed and roll | |||
ating a major |
| nip pressure ranges available on the laminator. | |||
Films have a shiny side and a dull side. The dull |
| It is the operator’s responsibility to ensure the compati- | |||
| bility and operational settings for any laminates/image | ||||
side is the one with the adhesive. The dull side |
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| material combination. GBC | ||||
should ALWAYS face outward from the laminat- |
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| port is available at the number provided in the Mainte- | ||||
ing roll. |
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| nance chapter for advice on some material | ||||
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| combinations. | |
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| CAUTION |
| 3RVLWLRQLQJWKH)LOPCAUTION | |
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Always mount the film so that the adhesive side |
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faces outward from the laminating roll. This |
| Substituting materials can cause severe damage | |||
prevents hours of roll cleaning. |
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| to your machine and is not recommended or | ||||
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| covered under our warranty. | |
2. The film must be centered on the unwind for best | |||||
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performance. This is vital when two films are fed |
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together. If the two films are not aligned, feed |
| The following procedure is applicable to both the top | |||
problems, wrinkles and other assorted troubles will |
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occur. |
| and bottom feed unwinds. | |||
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| 1. Open the top unwind by removing the pin and | |
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| swinging the arm out. | |
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| CAUTION |
| 2. Load the film. | |
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| 3. Return the arm to its locked position and reinsert | |
Carefully align the two films being fed into the |
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nip. If not, you will obtain poor results. |
| the locking pin. | |||
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| 4. Center the film on the unwind arm by measuring | |
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| the distance from the ends of the film to the sides | |
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| of the machine using a tape measure. |
© GBC |