Stainless steel expert
RT 100 InoxPro promises 50% faster feed rate when drilling
If you want to drill in stainless steels, you will have to contend with high tool wear. A new development from Gühring is changing this: The RT 100 InoxPro solid carbide drill delivers an exceptional performance thanks to its combination of carbide, geometry and coating specially tailored to this material group. This results in a longer tool life and reduced machining times.
The solid carbide drill has been specially designed for the production of precise holes in stainless steels and titanium materials, and promises the highest cutting values and a long tool life.
Smooth surfaces prevent built-up edges
To prevent material from sticking to the drill’s cutting edges during drilling, Gühring has opted for particularly smooth tool surfaces on the RT 100 InoxPro. Polished flutes and top surface quality in the web thinning improve chip removal and minimise the formation of built-up edges. The tool is also coated with Gühring’s own Perrox coating, which is particularly smooth and offers very high wear protection.
New geometry to prevent jamming
Gühring has also adapted its carbide substrate specifically for machining stainless steel materials: An improved combination of hardness and toughness in the cutting material means that the cutting edge does not break, even under high loads. A new drill geometry has been developed with the same aim in mind: The optimised sickle-shaped cutting edge and the stronger taper of the tool minimise the tendency to jam in stainless steel.
“Altogether, this means that we have a high-performance tool for the stainless steel sector,” explains Markus Kraus, Product Manager for Drilling Tools at Gühring.
25 percent time saving
The fact that significantly higher feed rates can be achieved in stainless steel materials with the RT 100 InoxPro is demonstrated by a practical example in which the new Gühring drill was tested against a competitor’s high-performance stainless steel drill.
| Component | Perforated disc |
|---|---|
| Material | X46Cr13 (1.4034) |
| Hole | Full drilling– through hole |
| Cooling | Internal cooling (Emulsion with 60 bar) |
| RT 100 InoxPro | Tool competitor | |
|---|---|---|
| f [mm/u] | 0,09 | 0,08 |
| Vc [m/min] | 100 | 90 |
| Cycle time/component | 45 min | 60 min |
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