Cutting Tools
Toolholder Supports Multiple Diameters
Arno Rouse’s Shark-Drill 2 system uses replaceable cutting inserts and accommodates a range of diameters using one toolholder. Other features include diameter ranges from 14 to 32 mm, an internal coolant supply, self-centering drill points, optimum insert geometry and long drilling depths.
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Grades Improve Titanium Turning Productivity
Kennametal’s Beyond line of high-performance turning products includes 11 additional grades for improved productivity in steel, stainless steels and cast iron applications. The latest grade, KCS10, is a medium positive (MP) geometry with the capability of improved titanium designed to improve surface finish while extending tool life.
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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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Expanded Drill Series Offers Consistent Process Reliability
BIG Kaiser Precision Tooling has expanded its Phoenix drill series, which is part of the Sphinx product line. The solid carbide Phoenix drill is said to offer more productivity than conventional solid carbide counterparts.
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Indexable Inserted High-Feed Tools
Suited for plunging, high-feed circular interpolation, ramping and enlarging existing holes, Lovejoy Tool Company’s high-feed 250 series tooling is said to be ideal for light, fast cuts in extended-reach applications and light-duty machines. High-performance, carbide-coated inserts are available for most materials.
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How Do You Machine a 30:1 Hole in Stainless Without the Drill Wandering?
An expert in micromachining says one answer is to check various aspects of the drilling process. Another answer is not to use a drill at all.
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The Knob Problem
The retention knob is an unmistakably critical component of the machining process. However, the tightening of the knob itself can lead to the toolholder not seating securely in the machine. You may be losing tool life to knob tightness without even knowing it.
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Video: Retention Knob Tightening And Toolholder Deflection
This footage illustrates how the toolholder taper is measured in a test designed to capture the retention knob’s effect on the shape of the toolholder taper.
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