How to make luminous words in advertisements?

65438+ After the mold is opened, flatten the mold with a file. Then use a file and sandpaper to polish the side and corner of the male mold and female die of the characters into circular arcs, which must be smooth and even, and finally use sandpaper to polish them smoothly. You can also use a computer engraving machine to carve the mold, and after increasing the height enough, you can smooth the edges and corners.

2, the production requirements of the bottom plate, the four sides of the punch bottom plate should be smooth, and the four corners should be ground with radian and inclination (that is, the four corners are narrow at the top and wide at the bottom), which is convenient for demoulding. The bottom of the concave die of the bottom plate can be polished with sandpaper, and the angle should not be too large, so as to narrow the gap between the two bottom plates. There are two calculation methods for the mold of acrylic light box bottom plate. Both algorithms are aimed at cutting the bottom plate into several equal parts.

3. The algorithm of dividing the mold into several blocks horizontally or vertically is as follows: Subtract the margins on both sides of the bottom plate from the total length, which is equal to the total length of the remaining mold to be made. Divide the total length of the remaining molds by the number of equal blocks equal to the size of the bottom mold to be made? Subtracting the size of both sides of the bottom plate from the total width is equal to the inch of the bottom plate mold to be made, and subtracting 5 mm from the size calculated by 2 is the length of the final total size of the gap loss (that is, the loss of poor splicing) when splicing two bottom plates. After splicing several molded acrylic baseboards together, look for them on both sides of the baseboards.

4. First of all, there must be text carving, draw the bottom shell on the iron sheet around the text and cut it out, then surround the edge of the text, weld the bottom shell, and arrange the led modules in the bottom shell! ! Connect the socket! Fix the attached text on the bottom shell, drill holes in the side and tighten the screws.

5. The anode of each string of lights is connected in parallel with a long red wire, and the cathode is connected in parallel with a long black wire. Connect the red wire to the positive pole of the special 5v or 12V power supply for led, and connect the black wire to the negative pole of the special 5v or 12V power supply for led (the positive and negative poles cannot be reversed), and fix the LED on the iron sheet. Test aging: after connection, turn on the power supply. Check whether the treatment is bright, and then carry out aging test for 24 to 48 hours.