ISCAR TECH TALK - NANMILL Nano Endmill

NANMILL Nano Endmill: A Smart and Highly Efficient Indexable Solution for Small Tools Carrying Triangular Inserts

ISCAR has expanded its milling line by introducing a new family of very small indexable 90° cutters in a diameter range of 8-10 mm, carrying triangular inserts. The new NANMILL family has been designed for applications that usually utilize solid carbide endmills. NANMILL provides a significant cost-benefit option due to the advantages of indexable tools compared with solid carbide endmills, offering ramp down capability, core stiffness grade choices, and a Multi-Master connection.

The NANMILL indexable endmill carries more than one insert and offers an attractive solution for manufacturers of small-size and miniature parts and compact components, in a variety of industries. The new HM390 ETP endmills carry HM390 TPKR 0401-PCTR inserts.

With a 90º cutting edge angle, the cutter’s advanced design reduces cutting forces, enables smooth cutting and improves ramping down ability. The cutter body has a special protective anti-corrosion coating for uninterrupted chip flow and protection from corrosion and wear. The cutter has a 3 mm maximum depth of cut.

Single-sided triangular inserts feature positive radial and axial cutting geometry on the tool with a flat wiper for high surface finish. The inserts are produced from ISCAR’s latest SUMO TEC carbide grades, which significantly increase productivity.

The key element of the cutter design is a method of clamping inserts with no falling parts. The new tools feature a unique rigid screw head wedge clamping method that does not require screw removal for insert indexing, which is very important for such small elements. As the insert is very small, a special key is used to place it in the pocket.

The new NANMILL family provides a viable economical alternative to the commonly used 8-10 mm diameter solid carbide endmills used for milling small-size surfaces. Most competitive indexable solutions in this diameter range feature less teeth, which reflects directly on their productivity and operational stability. The NANMILL family fits Swiss-Type and Mill-Turn machines.

The 8 mm diameter NANMILL HM390 ETP milling cutter is possibly the smallest indexable tool with multiple inserts in the market today.

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