Can do milling for small parts

The Tungaloy AddDoFeed Series
The Tungaloy AddDoFeed Series

Tungaloy’s DoFeed milling solutions have proven extremely successful for almost a decade and to build upon that reputation, Tungaloy UK has now launched the new AddDoFeed Series.

Suitable for manufacturers in the mould and die, automotive, oil and gas and general engineering sectors and developed for high-feed milling on small parts, the new milling range is certain to improve productivity for end-users, Tungaloy claims.

Solid carbide end mills have long been applied to milling small parts, however, it is unproductive to use these small diameter solid carbide end mills when requiring considerable stock removal on slotting or pocketing applications. This is because the low bending stiffness prevents the tool body from sustaining the heavy radial force generated when the feed is increased to improve cycle times.

The new AddDoFeed uses small size 02 inserts with a 4mm inscribed circle and offers close pitch cutter bodies that feature impressively high insert-to-diameter density for such a small diameter indexable cutter. The AddDoFeed series is offered in diameters of 8, 10, 12, 16, 20 and 25mm. This allows the 16mm diameter tool body to carry four inserts with five inserts on the 20mm diameter tool and seven on the 25mm diameter tool body.

The Tungaloy AddDoFeed in action
The Tungaloy AddDoFeed in action

This insert density enables users to ramp up feed rates and increase productivity. The tool bodies are available with a rigid short shank tool body, a long neck shank for accessing difficult to reach surfaces and also as a modular head system that is coupled with a tapered carbide shank for increased rigidity.

These tiny AddDoFeed 02 inserts carry all the key features that DoFeed inserts have been delivering, including economical double-sided inserts with four effective cutting edges and optimal inclination on the cutting edge that enables smooth chip evacuation. The inserts also have a large positive rake angle that is suitable for light cutting and process security. All these features make AddDoFeed a productive solution for machining small parts in various material groups.

When machining narrow grooves and small cavities, chip jamming and re-cutting are particular challenges. The inclination on the cutting edge of the AddDoFeed insert creates optimised chip formation that eliminates chip re-cutting and prolongs insert tool life.

The AddDoFeed is available with three insert grades that cater for ISO materials P, M, K, S and H. The AH3225 grade incorporates a multi-layered coating technology with increased resistance to wear, fracture, oxidation and built-up edges when machining steel, stainless and cast iron.

AH130 is a tough grade with high chipping and welding resistance that is suited to cutting stainless steel and titanium alloys. More of a universal grade, the AH8015 has a hard coating on a carbide substrate with a strong resistance to wear, heat and built-up edges. This demonstrates exceptional performance on steel, cast iron, superalloys and hard materials.

The new AddDoFeed products complement Tungaloy’s existing high-feed milling tools. The 21 new items of small-sized and close pitch cutters are now available in addition to the current DoFeed series of medium diameter cutter tools that are represented by Size 03 inserts and large diameter range with Size 06 inserts.

Tungaloy
www.tungaloy.com/uk

Company

Tungaloy

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