One Label Feeder, Six Types of Roll Materials

Conclusion

A label feeder feeds more than paper labels. The manual states: whether paper labels or FPC stiffeners, various Mylar tapes, foam, dust mesh, high-temp tape and other roll materials can all use a label feeder. Within the size range, one feeder is compatible with different sizes of material, and supports single row or multiple columns.

What actually changes during changeover is not the model, but several mechanisms along the threading path, plus the peeling blade and the routing of the material path.

Six types of roll materials it can run

The manual lists the usable roll materials as these categories:

• Paper labels;
• FPC stiffeners;
• Mylar tape;
• Foam;
• Dust mesh;
• High-temp tape.

What these materials share is roll-fed incoming material with backing paper, where the backing paper is peeled off and the part is picked up by the placement machine nozzle. The differences lie in thickness, hardness and ease of peeling: paper labels are thinner, stiffeners are thicker, and tapes are softer.

Mechanisms that change with the material

Stop collar and guide width block

After the roll is mounted on the label mounting shaft sleeve, the stop collar must first limit it to prevent the roll from swinging side to side. Then route through the label guide width slider — loosen the set screws inside with a hex wrench, and move the guide block to the proper position according to roll width. When changing to a roll of different width, this step must be redone.

Press plate height

The press plate height is adjusted with four set screws, set according to label thickness. Paper labels are thin and stiffeners are thick, so the two do not share the same press plate height. Too loose, and the tape runs up and down; too tight, and the tape gets creased.

Peeling blade direction and material routing

Different peeling difficulty means the material routing must change too. The manual gives two approaches: for large labels or labels that peel off easily, the spring winding shaft can be skipped to prevent premature peeling due to a large angle; for small labels that are hard to peel, the peeling blade can be turned to the side with a smaller angle.

Tape running angle

Regardless of material type, the tape angle direction must stay straight. Once the angle is off, force at the peeling edge becomes uneven and the peeling point shifts.

Full sequence of loading and threading

The six material types follow the same threading path, with fixed steps:

1. Mount the roll on the label mounting shaft sleeve, pass it through the winding shaft, and limit the roll with the stop collar;
2. Pass the tape through the label guide width slider, and move the guide block into place according to roll width;
3. Pass the tape through the press plate, and adjust press plate height according to label thickness;
4. Press down the press cover lever to open the press cover, clamp the roll between the press cover and the drive shaft, and press the press cover down to clamp the label;
5. The empty roll (backing paper) is recovered through the waste tape recovery shaft sleeve.

The steps are the same; the difference is the value at each step: the width of the guide block, the height of the press plate, and whether the routing passes through the spring winding shaft. After changeover, recheck the first two items against roll width and label thickness — these two steps are often missed, yet they are quick to do.

Single row or multiple columns: confirm first

One feeder supports both single row and multiple columns. With multiple columns, all columns share the same incoming material segment, which places higher demands on incoming width consistency and alignment. When running a new material type, first run one row in single row, confirm peeling and pickup are normal, then add columns as needed.

Which production lines these materials appear on

The manual lists the application industries for roll feeders as packaging, 3C, FPC and electronics. Stiffeners mostly appear in flexible board and stiffening stages, while paper labels along with Mylar, foam, dust mesh and high-temp tape mostly appear in 3C, home appliance and electronics assembly lines. Used with a label feeder on a placement machine for in-line attachment, no separate labeling machine is needed.

A self-check after switching material

1. Stop collar is in place, the roll does not swing side to side;
2. Guide width block matches the current tape width;
3. Press plate height is readjusted to label thickness;
4. Tape running angle is straight, and the peeling blade direction is chosen according to peeling difficulty;
5. Run the fiber sensor once each with material present and absent, confirm detection is normal;
6. Feed one empty row, and the tape sits centered at the pickup position.

The first four items are required for every changeover; the last two are confirmation actions when switching to a new material. Taking LFSID-100 and LFJUKI-100 as examples, different platform models differ slightly in structure, but the threading steps are the same.

What to include when reporting to us

Tape width, label thickness, ease of backing paper peeling, and single row or multiple columns. For models and compatibility, see label feeder; for the difference between roll-fed and sheet-fed incoming material, see How to choose between a sheet label feeder and a roll label feeder.