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Applications
Shroud, Turbine, Honeycomb Removal
Part: Turbine shroud
Industry: Aerospace & power generation
Material: Nickel alloy
Task: Removal of worn honeycomb material (in prepation for a new layer)
Grinding Machine: Blohm Planomat CNC 408
Cycle Time: 4 minutes
Old Process:
- Hand grind old honeycomb
- Long cycle times, 15 minutes
- High scrap
- Ergonomic issues (repetitive motion syndrome)
Blohm Process:
- Grind compete in 1 set-up
- 4 minute cycle time with AlumOxide wheels
- Utilize CNC profile dressing to form wheel
- Consistent process reduces scrap
Competitive Advantages:
- Reduce grinding time from 15 minutes to 4 minutes
- Improve part quality by utilizing CNC repeatability
- Reduce scrap rate by 90%
- Eliminate ergonomic problems
- Flexible CNC dressing facilitates quick changeovers
Turbine shrouds are commonly bonded with a honeycomb material to create a sealing surface. That surface is routinely replaced with a new layer. Removing the worn layer with a Blohm Planomat improves quality and cuts both scrap and cycle time.
