TOYOKAWA―December 10, 2024―OSG Corporation today announced the release of the SEP-EL DLC coated carbide end mill for super engineering plastics (SEPs). The main challenges of SEP applications are burrs, warping, and expansion and contraction on the workpiece after processing. In addition, reinforcing materials such as glass fiber and carbon fiber significantly wear out tools.
The SEP-EL is OSG’s latest milling innovation specialized for high-quality processing of SEPs that are prone to wear. The first key feature of the SEP-EL is the application of OSG’s original DLC-IGUSS coating, a thick-film type DLC coating. The DLC-IGUSS offers the perfect balance of lubricating effect, wear resistance, and cutting edge sharpness to enable high durability and long tool life.
A second key feature of the SEP-EL is its 3-flute specification, which reduces the load on the cutting edge compared to 2-flute configuration. The low helix geometry of the flute suppresses the generation of burrs, lifting or peeling of the workpiece when fixed with double-sided tape, resulting in stable processing. The 3-flute and sharp cutting edge specification enables high-speed and high-efficiency processing of various SEP applications.
Last but not least, the sharp cutting edge configuration of the SEP-EL reduces heat generation and enables high-quality resin processing. With excellent sharpness, general-purpose plastics, engineering plastics and SEPs can be cut through with a single stroke.
The SEP-EL is available in 3 x D and 5 x D length of cut with a total of six items each.
For more information on OSG’s SEP-EL DLC coated carbide end mill
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