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Walter expands indexable drilling line

Posted on 11 Apr 2021 and read 672 times
Walter expands indexable drilling lineWith an indexable insert solid drilling line that has a well-established market position, Walter has now expanded the D4120 drilling line to introduce 2, 3, 4 and 5xD dimensions. The new additions will now supersede the existing B4000 Series Xtra.tec insert drills to provide superior performance.

Regarded as a flexible all-rounder from the Germany-based company, the expanded D4120 indexable insert solid drill line is available in a wide range of diameters that span from 13.5 to 59mm. The product expansion now incorporates the D4120-02 2xD drill and the D4120-03 3xD drills for creating holes from 13.5 to 41.3mm diameter as well as the D4120-04 and D4120-05 4xD and 5xD drills for holes from 17 to 59mm diameter which the company says offer exceptional productivity and performance.

From a dimensional perspective, the 2xD drill has an overall length from 97 to 228mm with a cutting length of 27 to 118mm depending on the diameter selected, whereas the 3xD drill has an overall length from 110.5 to 287mm with a cutting length from 40.5 to 177mm.

The 4xD provides a flute length from 68 to 236mm with an overall length from 149 to 346mm, whereas the largest 5xD drills have a maximum cutting depth of 295mm with an overall length from 166 to 405mm depending upon the damp to selected.

The 2xD and 3xD drills start at a diameter of 13.5 and go up to 30mm diameter in 0.5mm increments and from 30 to 59mm, the diameters increase in 1mm increments. The 4xD and 5xD drills commence at 17mm diameter through to 59 in 1mm increments. All ranges are available with imperial dimensional options.

The drills have been specially developed with outer and centre inserts that ensure precision balancing of the cutting forces to maximise productivity. To this end, the centre insert is slightly larger than the outer indexable inserts that are equipped with a corner protection chamfer.

As well as providing greater process reliability, this plays a crucial part in increasing precision levels, stability and reducing drilling noise. Adding to the process reliability is a hardened and polished drill body design that now offers increased protection against friction in operation and an improved coolant channel design that allows the flow of 25% more coolant than previous drills.

Walter is now also offering inserts with a wiper edge for high-quality surface finishes. The drill body features two through coolant channels and a measuring collar (Dc) for easy drill identification, even when assembled. Polished flutes and a hardened surface further optimise chip evacuation and wear resistance.

The combination of the D4120 drill body and the four-edged indexable inserts offers users cost-efficiency advantages and the greatest possible flexibility thanks to a coordinated system. This is of interest to users, both in the case of difficult machining operations, such as cross holes, chain drilling and inclined inlets and exits.

The inserts are available in WXP40 and WKP35S grades for the centre insert and the peripheral insert the WKP25S, WKP35S, WSP45 are offered with the most recently added new Tiger.tec Gold grade WSP45G.

The geometries A57, E57 & E67 complement the insert grades with eight insert sizes that cover the drill body diameters from 13.5mm to 59mm. This comprehensive range of grades for highly productive and efficient drilling of a variety of materials are a perfect fit for the ISO material designations P, K, M, N and S.

This makes the drills suitable for typical workpiece materials in the general mechanical engineering, mould- and die-making, energy and offshore and automotive industries.

The rigid and robust drill bodies, the through coolant facility and polished flutes as well as the flexible choice of insert grades and geometries make the D4120 the complete solution for manufacturers in sectors from general mechanical engineering, mould and die, aerospace and energy to the automotive industry.

With the enhanced range of D4120 drills, manufacturers can benefit from outstanding hole diameter precision and surface quality as well as a high degree of process reliability and cost-efficiency. Alongside the standard dimensions, Walter also offers the D4120 in special dimensions via Walter Xpress with faster delivery times.