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How to glue abrasive tape for grinder


The abrasive belt of the grinding machine is a consumable material; it is necessary to change it quite often when using the grinder actively. If at hand there is a sheet of sandpaper of suitable grain size and length, and there is no desire to buy a new tape, then you can always glue it yourself. Consider how this can be done.
bonded abrasive tape

In order to glue the tape for the grinding machine you will need:
1. A long sheet of sandpaper.
2. A small vulcanizer, you can make it yourself.
3. Pencil, ruler and scissors.
4. Glue.
what is needed

Glue it as follows:
Glue tape preparation
1. A tape of the desired length and width is torn off or cut from the sandpaper sheet.
cut the tape from the sandpaper sheet

2. At one of its ends, on the back, non-abrasive surface of the tape, a cut line is marked at an arbitrary angle to its side.
tape cut line

3. Cut the tape along this line.
cut off the end of the tape

4. The ends of the tape are combined, twisting one of them at the same time by 180˚.
align the ends of the tape

5. On the back side of the uncircumcised end, a cut line is also drawn, using the trimmed end as a ruler.
mark the cut line of the second end

6. Cut along the drawn line the second end of the tape.
cut off the second end

7. Be sure to check the accuracy of coincidence of the trimmed ends when they are closed in a single tape web.
check for matching ends

8. Spend at one end of the tape parallel to the cut line, the line of its inflection at an arbitrary distance from its edge.
mark an inflection line at one end

9. Tightly bend it along this line to the back surface of the tape.
bend the end

10. Check the uniformity of the bend.
check bending uniformity

11. With a knife remove the abrasive grains from the fold surface of the tape.
remove the abrasive with a knife from the fold

This is necessary in order to make it more visible.
fold without abrasive

12. In the same way mark the fold line at the second end of the tape at the same distance from its edge as at the first,
bend marking at the second end

bend it and remove the abrasive from the fold line.
bending of the second end

13. Straighten one of the bent ends of the tape and put it on the platform of the vulcanizer included in the network. The edge of the platform should coincide with the line of the former fold of the tape from which the abrasive was removed.
lay the tape on the vulcanizer

14. Press the end of the tape to the platform with some flat weight and wait until the glue that holds the abrasive grains on it loosens. The reference point is their slight blackening.
pressed with a load

15. Scrape off the abrasive with a knife from the heated end of the tape.
remove abrasive from tape

16. The same operations are done with the second end,
process the second end of the tape

then the vulcanizer is turned off and the connection between the ends of the overlap tape looks.
check lap joint

Gluing
To glue the ends of the abrasive tape, it is recommended to use a particularly durable waterproof adhesive "Moment 88".
glue

Glue it as follows:
1. Apply glue to the abrasive-free surface of one of the ends of the tape.
apply glue to the tape

2. Distribute it on the surface with the other end of the tape, also cleaned from abrasive grains. As a result, the adhesive covers the surfaces of both ends prepared for gluing.
spread glue on the tape

3. After five minutes, they attach to each other the “lapped” ends smeared with glue, compress them tightly,
squeeze glued ends

and then check the quality of bonding.
check bonding quality

4. If the glue does not “hold” yet and the ends of the tape “diverge” when tensioned, then the glue is again applied to the tape, waiting for it to “dry”, and then the ends are pressed together again. This is done as many times as needed to ensure that the ends of the tape when they are tightly held each other tightly. This multi-layer application of glue makes the tape in the place of bonding, where there are no abrasive grains, more rigid.
check the stiffness of the connection

5. Reliably connecting the ends of the tape with glue, visually check the evenness of its canvas.
check the evenness of the glued tape

6. At the final stage, the tape is again put in place with a glued place on the platform of the vulcanizer, press it with a load and fix it with a clamp.
press the glued tape with a clamp

When this design is dismantled in a day, the abrasive tape is ready for use.
finally glued tape

This method of bonding abrasive tape is very simple and easy to do. The only problem with its use is that it requires any vulcanizer, even a simple one.

How to glue abrasive tape explaining the video
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