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Tools for cosmetics Precision crafted: The art of mould making at Schwan Cosmetics

A guest post by Ralf M. Haaßengier 7 min Reading Time

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Known for creating the sleek designs of Stabilo writing instruments and luxurious cosmetic products like lipsticks and mascaras, Schwan Cosmetics ensures every product is a masterpiece. Their secret? The cutting-edge Sodick AL60G die-sinking EDM machine paired with Erowa automation, revolutionizing their process with unmatched accuracy and efficiency.

The lead holders for the twist mechanism eye liners have delicate contours. It's a matter of up to 5μ when sinking the moulds.(Source: Sodick)
The lead holders for the twist mechanism eye liners have delicate contours. It's a matter of up to 5μ when sinking the moulds.
(Source: Sodick)

Whether writing instruments or cosmetic products, all branded articles have their own individual design. To ensure that the well-known Stabilo highlighters as well as eye liners, lipsticks or mascara look and feel appealing, the highest precision is required when injection moulding the visible and high-gloss parts. This is guaranteed by μ-precise moulding tools. Schwan Cosmetics' in-house tool and mould making department ensures the consistently high quality of the injection moulds. Since the middle of last year, the toolmaking team in Weissenburg, Franconia, has been supported by a new Sodick AL60G die-sinking EDM machine including Erowa automation.

Schwan Cosmetics employs around 1,500 people at its two production sites in Heroldsberg and Weissenburg. In the plastics technology division, around 400 employees manufacture all plastic components for the wide range of writing utensils and cosmetic products. The toolmaking department in Weißenburg builds the injection moulds required for this. The development of new, alternative technologies is also the focus of the 20-strong team led by Thomas Alberter (Head of Mould Making) and Jürgen Hüttinger (Eroding/Mould Maker). “The design of the moulds and the subsequent development for series production are carried out in close cooperation with our process engineering department,” explains Thomas Alberter. This also includes the introduction of new environmentally friendly materials into existing moulds. The daily challenges also include the rapid repair and maintenance of mould damage so that the injection moulding machines can eject injection moulded parts for writing instruments and lipsticks around the clock.

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