Defense Industry

Titanium has a strong chemical affinity for iron at high temperatures. High-Speed Steel (HSS) is iron-based, leading to “Galling” or cold-welding. We strictly recommend our W-Series Solid Carbide tools. Carbide is chemically inert to Titanium, and when combined with our TiAlN coating , it forms a barrier that prevents adhesion and chip packing.

Under extreme torque (like climbing a steep slope), gear teeth physically bend. Without Tip Relief, the sharp tip of the driving gear would dig into the root of the driven gear, causing immediate chipping. Our G-Series hobs are ground with a modified profile to remove material at the tip, ensuring smooth engagement even under heavy load deformation.

Yes, but parameters must be controlled. Inconel work-hardens rapidly. The W-Series must be used with a rigid machine setup and high-pressure coolant to break the heat barrier. We recommend a lower cutting speed compared to steel but a higher feed rate to prevent rubbing and work hardening.

We understand the strict requirements of this industry. Every Nobeve K-Series and G-Series hob is laser-marked with a unique ID code. We provide full material certification (origin of carbide rod) and inspection reports for full traceability from raw material to finished tool.

Absolutely NOT. Titanium and Magnesium chips are highly flammable. While our tools support dry cutting for steel, machining these reactive metals must be done with oil or rich emulsion coolant to prevent fire hazards and to manage the extreme heat that degrades tool life.

Yes. Using our K-Series Class AAA hobs on an Ultra-Precision Hobbing machine, DIN 5 is achievable with a new hob. The key is the Total Composite Error of the tool. Our AAA hobs have pitch errors measured in microns, allowing you to produce gears with minimal transmission error for precise positioning.

For internal gears, we recommend using W-Series on materials ≤ HRC 50 (such as PH stainless steels in the H900 condition). For harder materials, the risk of micro-chipping on the cutting edge increases, which is unacceptable for aerospace fatigue life standards.

Superalloys (like Inconel) have high high-temperature strength. They don't “soften” as they get hot like steel does. This generates immense cutting forces. If the machine (or tool) vibrates, the material work-hardens instantly, destroying the tool. You need a heavy-duty, rigid machine to force the tool through the material smoothly.