Foshan Youyisi Technology Co., Ltd. | |
Product quality/efficiency improvement cases | |
Before improvement | After improvement |
(Quality/efficiency) Current situation description: | (Quality/efficiency) Improvement measures: |
1. During the production process of Beibeijia skin forming hot pressing process, the leather thickness was too thick, and the leather rebounded after hot pressing, resulting in a step difference between the leather and the guide rail parts, making it impossible to assemble the control box. The defective rate was as high as 40%. 2. The operation time of the skin hot pressing process was too long, resulting in a decrease in production capacity (about 45 pieces per hour) | 1. Change the thickness of the leather sponge from 10mm to 6mm to prevent the sponge from rebounding after hot pressing and producing defective products. 2. Change the hot pressing mold to 1 out of 2 cavities to increase production capacity |
Cause Analysis: | Confirmation of improvement effect: |
1. Because the back of the leather is made of sponge and the thickness is too thick, the sponge will slowly rebound after hot pressing and produce defective products. 2. The thickness of the sponge is too thick, the hot pressing time needs to be increased and the hot pressing mold is a single mold | 1. After the thickness of the leather sponge was improved on March 10, the sponge rebound phenomenon was eliminated when the product was put into production. 2. After the hot pressing mold was changed to 1 mold 2 cavities, the efficiency of this process on the production line was increased from the original hourly capacity of 45 units to the hourly capacity of 102 units. The quality qualification rate was effectively improved and the production line output was met. |
Picture before improvement: | Improvement plan pictures: |
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