New JC899 Finisher and JC898 Rougher Handle Lengths or Stack Heights Ranging from 15 to 60 mm

Press Release Summary:

  • JC899 features a patented two-inone geometry that eliminates problems with delamination and fiber pulling out when working with stacked materials
  • Offers three to six times more tool life over conventional drill/reamer combinations and generates pollution-free holes and side walls with perfect surface finishes
  • JC898 offers an advanced frontal teeth design ideal for helical interpolation which reduces cutting forces and minimizes the risk of delamination when working with hybrid stacked materials

Original Press Release:

New JC898 and JC899 Prevent Delamination in Hybrid Stacked Material Machining

Troy, MI, February 20, 2020 - For aerospace shops struggling with holemaking and milling operations in hybrid stacked materials, the new JC899 Hybrid Stack finisher and JC898 rougher from Seco Tools are ideal solutions. The finisher, JC899, features a patented two-inone geometry that eliminates problems with delamination and fiber pulling out when working with stacked materials such as carbon fibre reinforced polymer (CFRP) combined with titanium/aluminum. Together with the JC898 rougher, the JC899 finisher offers three to six times more tool life over conventional drill/reamer combinations and generates pollution-free holes and side walls with perfect surface finishes to deliver up to 300 percent greater process efficiency.

The JC898 offers an advanced frontal teeth design ideal for helical interpolation which reduces cutting forces and minimizes the risk of delamination when working with hybrid stacked materials that can put lots of pressure on Z-axis drilling operations and generate chips that can damage the machined hole’s surface finish. The new tools achieve faster, cleaner holes and side wall finishes without the extra time-consuming step of removing chips that lodge in between the stacked material layers.

The patented JC899 finishing tool utilizes a two-in-one geometry to eliminate chip pollution, removing the need for manufacturers to unstack and clean hybrid stacked materials after machining. The diamond-based STAX coating ensures reliable processes and high-quality 2/2 products, while the double geometry’s left-hand helix prevents delamination, fiber pullout and chip marks from damaging the workpiece’s surface.

As opposed to boring tools that involve time-consuming benchwork and complicated measuring for proper part repositioning, the JC898 and JC899 eliminate such post-machining work to significantly simplify CFRP-titanium and CFRP-aluminum hybrid material holemaking operations. The resulting processes are twice as fast as those performed with alternative solutions and tool life has been doubled as well.

In addition, the JC898 and JC899 offer numerous advantages for helical interpolation and side milling applications, increasing process stability and speed at the same time they minimize the need for post-machining operations and benchwork. By reducing stress imparted to stacked materials during machining, these tools improve workpiece quality, particularly for CFRPtitanium applications that are otherwise likely to produce burrs.

The JC898 and JC899 handle lengths or stack heights ranging from 15 to 60 mm. The JC898 is available in diameters of 8 or 15 mm, while the JC899 is available in 8.5 and 14.8 mm (finisher) as well as in a 0.375" diameter.

Headquartered in Fagersta, Sweden and present in more than 75 countries, Seco Tools is a leading global provider of metal cutting solutions for milling, turning, holemaking and toolholding. For more than 80 years, the company has provided the technologies, processes and support that manufacturers depend on for maximum productivity and profitability. For more information on how Seco’s innovative products and expert services bring success to manufacturers across all industry segments, please visit www.secotools.com.

Media Contact:
Bob Heery
Seco Tools, LLC
248-528-5451
www.secotools.com

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