Boring Bars With New Inserts
July 13, 2012
For small-diameter boring and internal turning operations, Tungaloy Corp. has developed the DoMiniBore range of toolholders and inserts. Capable of machining bore diameters as small as 12 mm, these tools are suitable for machining steels, stainless steels, and cast irons.
The WXGU and DXGU double-sided inserts have a new edge shape and large inclination that reduce the cutting forces and prevent chatter. The inserts' design enables one insert type to fit shank diameters from 10 to 20 mm to reduce costs and tooling inventory
The inserts are available in left-hand designations with G-Class accuracy.
The chipbreaker's design creates good chip control in various material types. The wide chip pocket enhances chip control and minimizes the potential for recutting the chips, the company states. This chip pocket works with the peripheral insert shape to create the clamping rigidity required for high-performance boring and internal turning.
The steel or carbide toolholders are available with shank diameters from 10 to 20 mm for minimum bore diameter machining from 12 to 22 mm. They have a new, wedge-shaped pocket design that ensures the optimal fit for the insert.
The toolholder shanks offer a through-coolant capability with the oil hole located directly above the cutting edge to maximize chip removal and cooling of the work envelope.
The SWLXR toolholder with minimum bore diameters of 12, 14, 18, and 22 mm with shank diameters of 10, 12, 16, and 20 mm, respectively, are for internal facing and boring. Steel and carbide shanks are available in lengths of 125, 150, 180, and 200 mm.
SDXXR toolholders, for internal profiling operations, also come with steel or carbide shanks and create minimum bore diameters of 13, 16, 20, and 24 mm.
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