Cutting Tools

Holemaking

Coolant And Center-Drilling Considerations For Machining Small Holes

Through-spindle coolant is good if you can get it, but the spot drilling might not be necessary. Try a pilot hole instead?

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More Effective Groove Milling For Gearboxes

A cutting tools supplier developed a grooving tool with an 18-inch gage length and a radial runout of just 0.004 inch. That tool enabled a gearbox manufacturer to increase its groove milling feed rate tenfold for a hard-to-reach bore.

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Milling Cutter Provides Multiple Cutting Edges

Seco’s new Square 6 shoulder milling cutter uses trigonal inserts with six cutting edges to boost productivity and lower the cost per insert edge. The inserts are available with three insert geometries and three pitches to allow the tool to be used for a variety of general machining operations, such as face milling, contouring, plunging, slotting and shoulder milling in steels, cast irons and hard materials.

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Carbide Deburring Tools For Small Holes

The E-Z Burr Tool Company’s series of Small Hole carbide deburring tools can deburr hole diameters as small as 0. 125" in exotic and hard-to-machine materials.

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Octagonal Cutter Mills Steel, Cast Iron

The MultiEdge Double 8 cutter from LMT Fette is said to be ideal for economically machining mild steels and cast iron materials. Inserts can be used on both sides, for a total of 16 cutting edges.

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See The Tool's Value Instead Of Its Cost

This company is embracing high-performance tooling on its turning centers. The "sticker shock" is no reason not to do this. In one case, though, the shop found a way to limit the cost of the tool and increase productivity at the same time.

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“Pressed-To-Size” Button Inserts

Dapra’s Rhino Carb toroid insert line features a traditional, button insert geometry with a strong cutting edge that makes it suited for applications such as mold cavity and core roughing, roughing of complex part contours and helical interpolation of large-diameter holes. The round inserts are said to be useful for pocketing, semi-finishing and face milling.

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Inserts Feature Six Cutting Edges

Iscar has expanded its Helido Upfeed milling insert line to include diameters ranging from 1″ to 5″. The trigon-shaped, double-sided inserts offer six cutting edges and are designed for a 17-degree lead angle.

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HMC Combined With A Boring Mill

Absolute Machine Tools’ You Ji HMC-1000BP combines boring mill features with a 77,000-lb, moving saddle design HMC. A box-in-box structure confines spindle movement inside the column casting, which reduces moving mass and to allow faster acceleration and rapid rates.

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