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Screw Revolution, and Other Great Inventions?

Brother Engineering Co., Ltd. started to use it in production in Chinese market

Just changing screw makes defective goods reduced and work efficiency improved −. 『Totsupura Screw』developed by Hios(Matsdoshi Chiba-hyun, Chief Director, Katsyuki Totsu, printed on ‘Small tower Enterprise’), the largest company in industrial electric screwdriver field will be produced mainly soon . What is expected as No. 1 of acceptance is Shenzhen Factory, major manufacture position of Brother Engineering Co., Ltd.
At present, we are testing the effect in Japanese Engineering Co., Ltd. and we will begin trial production in China at the end of Aug.
If there is no problem, we will use this in our products from September and we will input this in new products and increase the models using it.
This has double contact area so it has fewer defects.

This is the starting point of various effects. At first, force is delivered certainly so bad fastening is decreased. In test, although we work in the same condition, scattering of fastening force became about 1/2 when compared with that of plus screw. If we induce this effect, by making the turning force of driver weakened, we can reduce the burden of workers and we can miniaturize driver itself. Especially there are a lot of young women unskilled laborers. We expect the improvement of productivity by reduction of defective goods and quick actions in factory in China. And just to fit screw on the bit makes bit inserted deeply so it prohibits the screw easily pulled out. It is said that it can bear the crosswise power by about 2 times than plus screw.
For example, it is easy to induce the fastening work of crosswise screw into the process, so the degree of freedom gets increased in the production line design. We secured the compatibility with usual plus screws. As for the plus screw that made screw head damaged by vain operation when it is fastened, it can have the additional effect that it gets be fitted well if it has Totsupura bit whose end tip is breadthways. This will be connected to the increase of work efficiency of repair and maintenance. Chief director of hios, Katsyuki Totsu is an ideamonger who calls himself 『inventor on the street』. Chief Totsu who have over 200 patents devised Totsupura by himself. His motto is 『Look down』and he focused on screws that anyone uses in everyday life unreservedly and created a unique idea. The market size of major industrial electric driver is about 7billion yen, however if it includes the screw market, the target market get increased as about 20 times so the extension of business is expected in hios itself.

Until now, Makita, Sharp and Sony, the electric tools companies have ever used this partly in domestic factory as trial. 『Factory in World』However, what accepted it with considering total changes in factory in China was the first case. Totsupura screw has no difference from usual plus screws by appearance. However the bit (the end tip of screwdriver that fastens the screw) is different. In general, the bit of plus screw has conical shape, however the bit of Totsupura screw has a little bottle shape because the end is breadthways. Accordingly, the groove of screw is so deep (refer to the below right photo), this is just a Columbus’s egg. Although it is a simple idea, it makes the contact area of screw that delivers force when it is fastened and bit about double.  
The supplementary effect for 10% price increase

『Screw Revolution』of Hios has a former example. It is 『Totsupura Screw』, which was improved in ‘screw’ as the same idea in 35 years ago.
It is evaluated as when the screw is fastened, bit gets hard to slide breadthways, so many large enterprises such as Seiko, Sony and Nintendo etc. accepted it. It became the motive force in the initial days of hios. Although plus screw became main later so its role was nearly finished, we have neglected the weekness of plus screw so we will challenge for the revolution again.
『The inferiority of screw fastening is both old and new problem, however as far as we depend on manual labor, actually it is seldom eradicated 』said a man related to the manufacture industry of Japanese economy.
Totsupura has 10% higher price than those of usual plus screws, Brother Engineering Co., Ltd. supplemented this so it found out the effect to create profit. The problem of screw fastening is common in all manufacturing companies. If so, will screw revolution create a whirlwind in manufacturing industry?

                   

(Hongkong China Branch Tetsuya Taniguchi)

 
 
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