The 29 Processes Of Shoemaking
In 2006, Wenzhou produced 1 billion 200 million pairs of leather shoes, 365 days a year, and 3 million 290 thousand pairs of shoes per day.
So how did Wenzhou shoes come out?
Recently, the reporter went to AOKANG production workshop for a visit. Unexpectedly, the birth process of a pair of shoes was so complicated. It is the complicated process and standard process that provides a guarantee for the quality of Wenzhou shoes.
Marking section
1. Knowledge of leather. A cow skin, buttocks and back is the best, used as the top of the shoe and the head row. The axillary is the worst.
2. Cut the material. According to the different standards and requirements, use the template to draw out the shape of the round bar, the chicken heart, the back row, the side row, the tongue, the horizontal bar and so on.
3. Cutting. Use the punching machine to cut the finished parts one by one. Pay attention to the same position, the same direction and the same angle.
4. Batch. Evenly cut the edges of the leather parts with different shapes.
5. Inspection. Check whether there are any defects in each piece of leather, such as blood bars, skin scars, and so on.
Needle truck section
This process involves sewing and assembling all the parts except the sole, such as sewing, sewing, packing and so on. In general, there are 20 processes.
Molding line
1. Soak chemical skin. A material used to soak the pads on the heel with disinfectant.
2. Put the main heel. The material inside the heel. Stereotype.
3. Let's play in Baotou. Objective to establish the main root.
4. The side line. Add up front and stitch up.
5. Main and stereotyped. Use the main and setting machine. 6. trim Lippi. Remove some unnecessary corners so that they can be sticky.
7. Brush white glue. The purpose is to make the soles and the upper sides be able to bond.
8. The front gear is clipped. Make the shape of the desired shoes.
9. Pull the bag. In the middle part, it is necessary to repair the defects in the front parts.
10. The back machine heels. Make the heel set.
11. Beat your shoes. The head shape that hammers the leather shoes. Sharp head or round head, look here.
12. Heat setting. Through the vacuum sulfur tank, heat bake.
13. Packing feet. Pull out the nails in the cart section, remove the excess corners and trim the front work.
14. Wash sole. Wash your shoes and keep them in reserve.
15. Grinding wheel. Remove impurities and pores and smooth edges.
16. Decontamination. Decontamination with sole treatment agent.
17. Shoe upper shoe brush. Prepare for bonding.
18. Brush the glue two times after the oven.
19. Double bottom. Stick to the sole.
20. Press. Pressurize, more stereotyped.
21. Freezer. Speed up glue condensation and enhance firmness.
22. Pull out the last. Take out the model.
23. Touch nails. Check it again and clear the missing nails.
24. Pads. Put in different sizes of insoles.
25. The upper is sprayed. The blaster sprayed.
26. Polishing. Polishing machine polishing.
27. Check before acceptance. Quality Management Department sampling inspection and acceptance.
28. Add the number sticker. For example, what materials, colors, codes and so on.
29. Packing. Packing, shipping.
How long does it take to produce a pair of shoes?
A production line produces about 1000 pairs of shoes a day, 10 hours a day, and an average of 36 seconds can produce a pair of shoes.
Quality control: source control, process monitoring, and result tracking.
1. Operate strictly according to the operation standard book. The operator of each process is the inspector of the previous process.
2. Product sampling inspection.
3. Analysis and summarize problems of returned shoes.
4. Process monitoring. Standards are in place.
5. Analyze the market complaints, feedback the analysis results to the production department, and improve the process.
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