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"L" Series Sheet Laminating System Operating Procedures

 
1.   Place substrate (board) to be laminated on machine's infeed conveyor (#1) and against the side guide rollers (#2).

2.   Load adhesive onto the adhesive payout bar (#3) so that is unwinds clockwise from the control console side of the machine. Unwind slightly and pass adhesive through nylon-covered rollers (#4).

3.   Position the adhesive roll so that when it is paid out over the substrate, it will overhang each side of the board by about 1/4". (Note: adhesive should always be ordered 1/2" wider that the substrate.) Adhesive should overlap the front and back by about 1/2".

4.   On initial set up, it is best to use a 4' X 8' substrate of 1/2", 5/8" or 3/4" and a laminate of 1/32" or 1/16" thickness. If other than standard materials are to be run, consult the manufacturer's service department for additional information at (616) 887-8257.

5.   after placing the laminate support bars (#5) about 20" apart, a piece of laminate or 1/8" to 1/4" Masonite is placed on the laminate guide (aluminum angle) (#6). This provides a flat surface to work on and aids in subsequent loading.

6.   Using hand wheel (#7), open the compression rolls (#8) to a greater thickness than the substrate being laminated.

7.   Position the substrate by pushing it through the compression rolls (#8) about 3 to 4 inches.

8.   By using hand wheel (#7), close the compression rolls (#8) until light contact is made with the substrate and then 1/2 turn more. Each complete turn of hand wheel changes the opening of compression rolls 1/16". (clockwise - closes, counterclockwise - opens)

9.   Turn MAIN switch (#9) to ON and set speed control (#10) at 655. Allow the substrate to run through the machine completely.

10.  Turn MAIN switch (#9) to OFF.

11.  Unload the substrate from the outfeed conveyor and reload on infeed conveyor (#1) making sure it is against the side guide rollers (#2). Take care not to "slam" substrate against side guide rollers.

12.  Load a sheet of laminate on the laminate guide (#6).

13.  Push the substrate up the conveyor allowing it to just touch the compression rolls (#8).

14.  Slide laminate down the laminate chute (#11) and allow it to merge with substrate at the compression rolls (#8).

15.  Adjust laminate chute (#11) with knob (#12) to allow laminate to align with edge of substrate.

16.  By using a straight edge along the length of the laminate guide (#6) loosen knobs (#13) and adjust guide so that laminate aligns with edge of the substrate.

17.  check that the laminate is against the side of the laminate guide (#6) and that it touches the entire length of the laminate guide and the laminate chute (#11). (This ensures that the laminate guide is straight with the substrate and that the laminate will be positioned properly with edge of substrate.)

18.  Move laminate and registration block (#14) about 3/4" in from rear edge of laminate. Lock the block (#14) down by using the knob. Later when operating the machine, the end of the laminate will be positioned against this stop. This allows the laminate to enter through the compression rolls slightly. Fine adjustments of laminate overhang may be accomplished by moving this block (#14) back and forth and locking it into position (measuring tape (#15) may be used as a reference for future adjustments).

19.  Operate the machine WITHOUT the heat bank (#16) ON and without adhesive, to check for end and side registration. Pull the substrate and laminate back to start position. Re-adjust laminate guide as required (Steps 12 & 13).

20.  Turn MAIN switch (#9) ON. Set speed control (#10) at 60%.

21.  Make sure substrate is against side guide rollers (#2). Push the substrate forward until the drive rollers begin to move it.

22.  As the front edge of the substrate passes under the heat bank (#16), slide laminate down chute (#11) over the top of the heat bank (#16) and butt rear edge of laminate against registration block (#14) previously set. Make sure laminate edge is against the side of laminate guide (#6) for proper registration.

23.  After a few seconds the substrate should enter the compression rolls, pulling the laminate with it.

24.  As the substrate comes out of the compression rolls, check for proper end and side registration. Adjust laminate settings if necessary as in steps #16-19.

25. If proper registration has been achieved, place the substrate and laminate back in their starting positions.

The following steps involve running the laminator with adhesive in a normal laminating procedure.

1.  Turn the MAIN switch (#9) to the ON position.

2.  Turn on heat bank switch (#17) and set heat bank timer (#18) at 90%*. Turn adhesive cutoff switch (#19) to ON.

3.  Allow the machine to heat thoroughly (5-8 minutes).

4.  Unroll the adhesive from the payout bar (#3). Thread adhesive between nylon-covered rollers (#4) folding back over top roller 3 - 4".

5.  Place the substrate on the infeed conveyor (#1) ensuring that the substrate is against the side guide rolls (#2). Push the substrate up the conveyor to the board stop (#20). Pull adhesive through the nylon-covered rollers (#4) towards rear of substrate. Allow adhesive to overhang front of substrate by 1/2".

6.  Pull the adhesive cutoff (#21) toward the front and slowly press down allowing heated blade to cut the adhesive. After the adhesive is cut, retract cutoff (#21) to the starting position.

7.  Retract the board stop (#20). Push the substrate forward until drive rollers begin to move it.

8.  As the front edge of the substrate goes under the heat bank (#16), position the laminate as in the previous steps. For optimum side registration, maintain light side pressure on both substrate and laminate until they enter the compression rolls.

* These settings are for normal operation of 1/2", 5/8" and 3/4" particle board and V-32 laminate. The dense or thick materials (1" -  1 1/4") require more heat (90-100%) and slower speeds (50-55%) to allow the adhesive to come to its normal activating temperature.

The thinner materials of 3/8" - 1/2" require a setting of slightly less heat (80-85%) and more speed (65-80%).

In general, the thicker or more dense the substrates, the slower and hotter the machine has to be operated. The thinner or less dense the substrates, the faster and cooler the machine has to be operated.

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Lenderink Technologies, Inc.
1267 House Road    ·    Belmont, Michigan  49306  USA

Phone (616) 887-8257     ·     Fax (616) 887-7910     ·     Sales@DryFilmAdhesives.com

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