Why You Should Choose Weimi for Stainless Steel Turning Parts

 

Although a whole host of products are made using the turning process, at Weimi, we find that the most popular products are manufactured using automatic turning or CNC turning. We use materials such as copper, iron, aluminium, polyoxymethylene (POM) and stainless steel when manufacturing parts for our clients, and have experience in other materials, too.

Parts manufactured via turning can be done up to 150x200mm, and for those with more complex shapes, turning remains the most popular method as it allows for high precision, guaranteed. Stainless steel, a preferred material, offers a number of advantages and usually does not require additional surface treatment, reducing lead and manufacturing times.

The American Iron and Steel Institute uses three digits to identify various standard grades of malleablizing of stainless steel, generally divided into 200, 300, and 400 series. Amongst them, austenitic stainless steel is marked with 200 and 300 series numbers. For instance, some of the most austenitic stainless steel materials are labelled 201, 304, 316, and 310. At Weimi, we use SUS304, SUS316, SUS304 and SUS316 as they are non-magnetic, safe and do not generate heat in high-pressure environments. However, it’s important to note that SUS316 contains more molybdenum and has better water and corrosion resistance and higher temperature resistance, though that means a higher price than SUS304 and SU316.

At Weimi Hardware Technology, we’re proud to own 22 lathe machines, and each can process products up to 150x200mm. We typically use lathes to process small-size parts, and although the surface processing cycle is short, the precision of the products is very high. Thanks to that, we can quickly manufacture our customer’s sample orders in as little as 30 minutes, allowing us to demonstrate our craftsmanship and capabilities and ensuring you find a processing partner that can accommodate your requirements as quickly as possible.

When it comes to cutting tools for stainless steel, we typically use high-speed steel turning tools for processing, as it has a low hardness, and the cutting speed cannot be too high whilst the work efficiency is low. At Weimi, we choose tools made from tungsten titanium cobalt cemented carbide (YW1, YW2), as they provide good bending strength, fatigue strength, as well as high-temperature control, oxidation resistance, and wear-resistance. Our tools cut lightly, and the iron chips hardly stick to the knife, making it ideal for stainless steel turning with rough vibration and intermittent cutting.

On the subject of iron chips sticking to the knife, we understand the importance of choosing the correct cutting speed. If the speed is too high, the heat generated will cause the tool to soften, reducing the precision of parts. What’s more, stainless steel material is more viscous and chips can not be discharged in time. If they get stuck on the tool-tip and form a built-up edge, the workpiece surface can burn blue and deform, affecting the quality of the product. On the other hand, if the chip speed is too low and if the feed amount is selected too fast, the guillotine phenomenon will occur. At Weimi, our expert manufacturing team is on hand to select the most optimal tool, cutting speed, and coolant according to the characteristics of different materials, and work hard to meet the accurate requirements required by customers.

Once stainless steel workpieces are completed, our team can polish, sandblast, and electorate, or provide other surface treatments depending on our clients’ exacting briefs.

Polishing can make the gloss of stainless steel better and improve the corrosion resistance.

Sand-blasting can remove small flaws on the stainless steel surface to achieve a matte and smooth effect, as seen in this example image below.

Electroplating, on the other hand, can brighten the appearance of your machined parts.

Whilst there’s no denying that stainless steel is a material more challenging than some others in processing engineering, at Weimi, our talented team has years of experience in the field, and we pride ourselves on our deep understanding of materials and their performance. From selecting the right tools, calculating reasonable geometric angles, selecting the most appropriate cutting speeds and depths, and finding the right cutting distance, we will complete every detail of our customized operation according to customers needs.

To find out more about how Weimi could help you, call us on +17134898699 or click here to submit an enquiry, peruse case studies, and get in touch for a free, no-obligation consultation.

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