Button manufacturing process

Unsaturated resin + curing agent | + accelerator + color paste and mix well--》 Bar workshop processing--》 Bar blank---》Blank selection workshop--》Button making workshop Sheet material workshop processing--》Special blank Buckle workshop——》Polishing workshop Finished product workshop
A. Bar production process:
B. Production process of sheet metal:
C. The function and standards of billet selection:
Exclude unqualified products from the next process
① The thickness of the blank shall be based on the company's requirements for the product: ±0.2mm for the rod is genuine, ±0.1mm for the plate is genuine (qualified product), and if it exceeds that, it is a waste product.
② If the color or pattern changes, and does not meet the requirements of the variety, it will be discarded.
③If the model is poorly made, rotten edges, core pulls, and bubbles are all waste products.
D. Button making workshop production requirements and standards
①The shape is consistent with the sample, including the size of the thin edges and buckles, the curvature of the front and back, etc.
② According to inspection standards, if the following phenomena occur, they are considered waste products:
a. Eye of the needle: The eye of the needle is broken or cracked, the eye hole is not in the center of the button, the four holes are not square, the eye hole is not perpendicular to the button surface, there are few holes after the needle is broken or the needle does not penetrate through, the front is large and the back is small, dark holes Buckle, hole edge blasting, no holes, etc.
b. Button edge: one side is thick and the other is thin; the overall thickness of the button is correct, while one edge is thick and the other is thin.
c. Comparing the overall thickness with the sample button, the button becomes thicker or thinner as a whole and four consecutive buttons are thicker or thinner during machine turning.
E. Finished product acceptance criteria
a) Finished product standards
1. The color, pattern, and model are the same as the sample or product requirements.
2. The pinholes are straight and symmetrical, and the needle pitch and pinhole size meet the standards.
3. The luminosity meets the requirements.
4. There are no cracks, cracks or uneven edge thickness on the front and back.
5. Classify and package according to style, color, pattern and model.