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Advanced Engineering 2020

NEC, Birmingham(B40 1NT)

04/11/2020 - 05/11/2020

The UK's largest annual advanced manufacturing trade show, Advanced Engineering is your opportunity to (more)

Drives & Controls Exhibition

NEC, Birmingham(B40 1NT)

25/01/2021 - 27/01/2021

The show brings together key suppliers of state-of-the-art equipment representing the multi-tasking culture (more)

Increasing quality and reducing cost

Increasing quality and reducing cost Direct screw fasteners are demonstrating their worth in automotive applications, delivering significant cost reductions and providing high quality through greater process reliability. Arnold Umformtechnik has taken a leading position as a manufacturer and supplier of specialist screws to automotive manufacturers such as Mahle. Indeed, the cost saving potential of direct screw fasteners is confirmed by Mahle's Otto Mehrer, who reports that Arnold products have been used on the company's production line for some ten years. In particular self-tapping screws, such as the Taptite 2000 products from Arnold, have led the production specialists at Mahle to realise that the cost elements lie not so much in the cost of the part itself and the material it is made of - in actual fact the cost of the screw itself represents a mere 15 percent of the overall cost of a screw fastening. Rather, its potential to increase efficiency throughout the process is the factor that reduces the overall cost. Cost analyses carried out by Mahle clearly show that a self-tapping screw, which is only just about a third more expensive than a conventional screw, ultimately reduces manufacturing costs by up to 80 percent. Further, there are a number of different levels of savings that can be made depending on factors such as whether fasteners are used in manual, or in semi-automated or in automated fastening processes. The savings that are achievable range from 65 percent for manual screw fastenings to 80 percent on automatic assembly lines. But another crucial factor is the much lower investment required which, compared with traditional fasteners, has a particularly noteworthy effect on upstream and downstream production costs.

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