Turbine Part
Initial situation
The task is to produce different parts of an aircraft turbine in difficult to cut titanium. A big challenge in this material is to machine the precise bores. First priority in such expensive parts is process reliability.
Material: Titanium
Metric | Imperial | ||
Bore-Ø: | 44.442 +0.025 mm | 1.7497 +0.001 in | |
Length: | 80 mm | 3.1496 in |
Requirements
Metric | Imperial | ||
Surface: | Ra 0.8 µm | Ra 32 µin |
The URMA solution
Standard RX medium reaming tool
Modular reaming tool with integrated compensation mechanism
The high precise ground carbide insert takes the responsibility for the final diameter.
Cutting data URMA machining
Metric | Imperial | ||||||
Cutting speed: | Vc | 15 | m/min | SFM: | 50 | ft/min | |
Feed per tooth: | fz | 0.10 | mm | ipt: | 0.004 | in | |
Number of teeth: | 10 | ||||||
Feed: | fv | 108 | mm/min | ipm: | 4.4 | in/min | |
Radial stock removal: | ap | 0.08 | mm | D.O.C.: | 0.003 | in |