Deep holes in one operation — when it comes to this, the XD drills from the Walter Titex brand are reportedly unbeatable. This is true now more than ever, as they have reached a depth of 70xD. Standard depths are up to 30xD; Depths up to 70xD have been achieved in special cases. If we were talking about a slow and gradual approach to larger depths before, we can now talk about a leap.
Factors responsible for this huge increase in performance are essentially three special structural and manufacturing features: Walter is producing solid carbide blanks by applying a new method, which makes this type of long solid carbide twist drill possible. The finishing procedure utilizes a special grinding process. As is the case with all XD drills, cooling is provided by internal coolant channels. Despite the deep drilling depth, high-pressure coolant systems are not necessary.
"On the one hand, the XD70 is based on the technology from its shorter cousins, on the other hand, several unique details make it a completely new tool," according to product management at Walter.
The XD70 is currently being produced as a special tool, in diameters ranging from 0.197" to 0.472" (5 to 12mm). Two tip coatings are available depending on the material: TFP for soft steels and XPL for cast iron.
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
Machining operation in which material is removed from the workpiece by a powered abrasive wheel, stone, belt, paste, sheet, compound, slurry, etc. Takes various forms: surface grinding (creates flat and/or squared surfaces); cylindrical grinding (for external cylindrical and tapered shapes, fillets, undercuts, etc.); centerless grinding; chamfering; thread and form grinding; tool and cutter grinding; offhand grinding; lapping and polishing (grinding with extremely fine grits to create ultrasmooth surfaces); honing; and disc grinding.
Most common type of drill, having two or more cutting edges, and having helical grooves adjacent thereto for the passage of chips and for admitting coolant to the cutting edges. Twist drills are used either for originating holes or for enlarging existing holes. Standard twist drills come in fractional sizes from 1¼16" to 11¼2", wire-gage sizes from 1 to 80, letter sizes A to Z and metric sizes.
WBH20 is a grade well suited for ISO-H Group of material such as for hard turning applications. WBS10 is well suited for ISO-S materials, specifically nickel-based (such as Inconel), iron-based (such as Udimet) or cobalt-based (such as Hayens).
Available in diameter sizes ranging from 0.562-1.375 in. and 16-42 mm with 2, 3, 4 x Dc, the new drill delivers maximum process reliability with simple and efficient chip removal, two coolant channels and polished flutes. Superior protection against friction is provided by the D3120 hardened and…
The M2471 milling cutter, ideal for the aerospace and energy industries, boasts a high metal-removal rate even on low-performance machines thanks to its soft cutting geometries and positive cutting characteristics. It brings all the benefits of single-sided round inserts to double-sided round…
More cost-effective than comparable systems but just as easy on tools, the AB735 synchronous threading adaptor maximizes tool performance. In addition to the minimized wear, the modular design of the adaptor also contributes to cost-efficiency: Exchangeable front pieces for different thread sizes…
These new grades complement Walter's previously released WBH10C coated CBN and WBH10 and WBH20 CBN grade ideal for high temperature stability in hard metal turning. These inserts also have the option of chip breaker (TM-M2) for trouble shooting and wiper (MW2) for exceptional surface finish…
The MC025 Advance is available in diameters from 1/8-1 in. (1-25 mm). A single grade is offered for universal applications for steel, stainless steel, cast iron and materials with difficult cutting properties as well as its ability to lower inventory costs.The MD025 Supreme solid carbide milling…
Tangentially mounted grooving insert with a robust seating surface also ensures maximum stability. The insert and pocket design features an axial key stop for added stability against the side cutting (axial) forces. Precision cooling on the flank surface is offered as a standard feature for longer…
With the special flute geometry, the chips (swarf) are evacuated effectively. This means that hole depths of up to 12 x Dc can be easily achieved. Oil or emulsion can both be used as a coolant with these drills. For deeper holes beyond 8 x Dc, Walter has also introduced a corresponding line of…
The exceptionally smooth yet hard coating improves surface quality, which, in turn, significantly reduces torque requirements. Intended for blind hole and through hole threads and thread depths up to 3.5 x DN in steel, it has also shown good results in machining cast iron and aluminum. The TC470…
The mill is best suited to machining steel, stainless steel, cast iron, non-ferrous material and materials with difficult cutting properties. This wide range of uses results in lower tooling and administrative costs, as does the fact that its 90° approach angle dramatically decreases the need for…
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