We will support the investigation of the causes of wire disconnection in hair dryers and hair irons, as well as improvement measures.
Hair dryers and hair irons have a high power consumption ranging from 1400W to 700W, which poses a risk of fire or smoke in case of malfunction, and there is also a high risk of injury to users. The National Consumer Affairs Center has reported on these dangers. (https://www.kokusen.go.jp/douga/20161208_1_news/n-20161208_1_low.html) The failure modes that can lead to serious accidents include: 1) Fracture of the power cord 2) Fracture of the internal wiring in bendable hair dryers 3) Fracture of the heater or the connection between the heater and the terminal. We will support the clarification of these failure causes and countermeasures. Additionally, we believe we can assist with issues such as the reproducibility of paint colors and cracks in resin.
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basic information
The failure modes that can lead to major accidents are: 1) Breakage of the power cord 2) Breakage of the internal wiring in bendable hair dryers 3) Breakage of the heater or the connection point between the heater and the terminal The first issue, the breakage of the power cord, is related to the user's usage method; however, manufacturers also need to consider this in their design. As society ages and the number of people living alone increases, the risk of fire rises. There is a demand for the development of safe and secure products. The second issue, the breakage of internal wiring, mainly occurs in bendable hair dryers. There is a gap at the bending point, which can cause sparks and poses a risk of burns. Knowledge of electrical wiring is necessary to resolve the first and second failure modes. I have experience in solving these issues, having come from a wire manufacturer and worked at a beauty appliance manufacturer. The third failure mode, related to the heater, usually sees deterioration at the connection point occurring first. Since the connection point can reach temperatures above 300°C, it is essential to investigate the causes of this failure mode and implement fundamental countermeasures. I developed a unique evaluation method to resolve this issue. If you are troubled by complaints or defects related to hair dryers or hair irons, please feel free to consult with me.
Price information
Price Information 1. Contract Type We will listen to your request and conclude a technical advisor contract. We are considering a duration of at least 3 months. 2. Compensation 300,000 yen/month Travel and accommodation expenses are not included. The activities will involve visiting once a month to provide explanations and submit reports on the requested matters, as well as offering advice on-site. 3. Commissioned Design and Development We also provide services for the design and manufacturing of jigs, inspection equipment, and evaluation devices. Estimates will be provided each time.
Price range
P3
Delivery Time
Applications/Examples of results
At the manufacturer of hair dryers and hair irons, the following activities were carried out: 1. Measures to prevent disconnection of power cords and internal wiring (1) Investigation of the causes of disconnection (2) Improvement design (3) Establishment of inspection and evaluation methods 2. Measures to address failures at the heater terminal connection (1) Clarification of failure modes occurring at high-temperature heater terminal connections (2) Creation of design evaluation criteria (3) Development of process design and explanation to overseas contractors (4) Establishment of evaluation methods
Company information
The D&T Lab focuses on supporting research, development, design, and prototyping for manufacturing process design and production technology development. Particularly in the case of new businesses, it is necessary to introduce technologies that the company does not possess and to select and collaborate with partner companies. By utilizing so-called open innovation, we aim to shorten the marketing and product/service development periods, facilitate early entry into new fields and applications, and establish a unique strategy using that information and technology to actively promote the business. Once we reach that stage, operations can be managed similarly to existing businesses. Therefore, the challenge of new business ventures depends on how efficiently and effectively we design the entry phase. At that stage, it is essential to gather information and technologies that the company does not possess and to make suitable choices for the company. I have experience in the development and launch of mass production equipment and the introduction of new products into factories. From the successes and failures I encountered, I have learned how to design mass production lines and introduce new products in my own way. Additionally, I possess processing techniques for various materials such as copper products, compound semiconductors, quartz glass, and plastics. I will contribute using my knowledge of these mass production technologies and material processing techniques.
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