Why does aluminum processing pay attention to appearance quality?

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In aluminum processing, not only dimensions and shapes but also appearance quality are important. Especially for parts used in semiconductor manufacturing equipment, even slight scratches, dents, clamp marks, or contact marks can render the product unusable. Aluminum is relatively soft and prone to scratches, so care is needed not only during processing but also during storage, transportation, chip entanglement, and handling with gloves. Even if processing is completed without issues, the final handling can lead to appearance defects. Additionally, after anodizing, scratches, processing marks, and material differences that were not noticeable during processing may become visible on the surface. Therefore, we proceed with work while considering not only the processing method but also the condition of the materials and storage methods. For products with high appearance quality, it is essential not only to avoid scratches but also to ensure an environment conducive to detecting scratches. We pay attention to factory lighting, task lighting, and cleanliness, being mindful not to leave unnecessary marks. Even simple aluminum parts on drawings are managed for quality in actual processing sites, considering not only dimensions but also appearance and subsequent processes. At Toyohara Knife, we value not just being "processable" but also "consistently producing viable products," and we engage in manufacturing every day with this in mind.

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