Tool Program for Efficient Threading of Nickel-Based Alloys

Emuge Corp. has introduced a comprehensive line of high-performance tools for threading demanding nickel/super alloy materials to 46 HRC. The new program includes tools ranging from taps with new geometry designs to solid carbide thread mills designed for challenging aerospace, power generation and oil industry applications. A full line of sizes from no. 4 to 3/4" are available in UNC, UNF and metric, 87 SKUs in total.

Emuge's Nickel Alloy Program includes new DF-NI and C-NI taps. "With Emuge's industry-first Variable Helix Correction (VHC) technology, DF-NI taps feature a specially ground relief geometry in the primary cutting zone that generates a smaller and tightly rolled chip formation for enhanced chip control to prevent damage caused by chips jamming in the tap teeth," said a company spokesperson. "Featuring a 10° right hand spiral flute, VHC taps are also available in STI thread sizes for jet engine components. New C-NI taps offer an advanced left hand helical flute form with special rake and relief to optimize chip evacuation in the forward direction and add strength to the cutting teeth for enhanced tool life and process security."

Both taps are designed with relief geometry in the chamfer and thread section to help overcome the high hardness and extreme elastic memory of precipitation hardened nickel alloys. Taps are manufactured with premium HSS-E and are TiCN coated for enhanced heat and wear resistance. Modified bottoming chamfer (two to three threads on VHC taps) is designed to reduce torque and increase tool life. Taps are 3BX class of fit for internal UNJ threading applications. DIN length is available for improved chip clearance in hard-to-reach applications.

Also included in the new program are Rekord KEG-NI style taps with VHC technology for tapping NPT and NPTF taper pipe threads in nickel-based super alloys. NPT and NPTF taper pipe taps come in thread sizes from 1/16 - 27 to 1" - 11-1/2.

The new Nickel Program also encompasses a number of thread mill styles. THREADS-ALL Z-GF style thread mills require only eight stock standard tool sizes to produce 100+ commonly produced screw thread designations. "They provide easy machining of difficult materials, one tool for through and blind holes and total control over pitch diameter limits," said the spokesperson. "Offering an exceptional balance of performance and price, SHUR-THREAD GFI-IKZ thread mills with internal coolant feature specially engineered multiple-spiral flutes to eliminate chatter, a large cutter diameter with high profile correction to ensure true-to-gauge threads and an extended milling portion which allows for 2xD length of cut.

"GFI thread mills for taper pipe feature multiple flute designs with precise symmetrical spacing and constant rake angle to optimize cutting performance and thread quality. The high profile correction ratio allows for enlarged cutting diameter to eliminate tool deflection and improved chip removal. A precision ground shank with clamping flat provides a simple and secure toolholding solution."

For more information contact:

Mark Hatch

Emuge Corporation

1800 Century Drive

West Boylston, MA 01583

800-323-3013 / 508-595-3600

www.emuge.com