Thread milling cutter for machining leak-free tubing threads
In response to the challenges of thread cutting in oil and gas applications, where traditional tapping methods often lead to leaks at pipe joints, Emuge has developed a new range of solid carbide thread milling cutters and indexable insert thread milling cutters. These innovative tools are designed to handle NPT/API threads with high precision and efficiency, expanding the capabilities of Emuge's Thread-Max and Threads-All series.
The solid carbide thread milling cutter features a spiral groove design, making it ideal for machining NPT/API threads with diameters ranging from 0.125" to 2" (3–50 mm). This tool is particularly effective for smaller diameter threads, offering improved accuracy and longer tool life. The use of fine-grained carbide with a TiCN coating enhances durability, while the multi-spiral design minimizes chatter during operation.
For larger diameter threads, Emuge has introduced an indexable insert thread milling cutter with an incomplete profile. This tool can process NPT/API threads from 1" up to 20" (25–500 mm), making it suitable for a wide range of industrial applications. The tool body is made of hardened steel, and it comes with either a CNC-ground Weldon holder or an integral CAT50 holder, available in three different rod sizes.
The indexable insert mill incorporates internal cooling, allowing coolant to be directed radially from the cutting edge of the insert. This feature improves chip evacuation and ensures optimal cooling, leading to better thread quality and extended tool life. The inserts themselves are manufactured from fine-grained carbide and can be coated with TiN or TiAlN for added wear resistance. Their unique geometry allows for efficient chip removal, reduces radial cutting forces, and maintains high threading accuracy.
Each insert offers four cutting edges, maximizing blade life and reducing downtime. The precision-machined tool holder ensures accurate positioning of the insert, which is crucial for maintaining consistent thread dimensions. With these advancements, Emuge's new thread milling solutions provide a reliable and efficient alternative to traditional tapping methods, especially in demanding environments like the oil and gas industry.
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Hunan Nongle Machinery Co., Ltd. , https://www.nongleagro.com