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      • 72780 belt grinder
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      • MTS 6 CNC
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    • 72780 belt grinder
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SPE - 6 CNC Blade Polishing Machine for turbine blades manufacturing

SPE turbine blade polishing machine tool.

 Turbine blade grinding and polishing machine. SPE machine tools are used throughout the world for belt  grinding, linishing, finishing, deburring and polishing of fan blades, leading edge sheaths, gas turbine blades, compressor blades, buckets and vanes (OGV and NGV). Also polishing of thermal barrier coating on steam turbine blades. The SPE is the right choice for turbine blades manufacturing. 6 interpolating axis guarantee a perfect positioning of the contact wheel to the airfoil surface of steam and gas turbine blades. An additional auto-adaptive pneumatic axis ensures constant grinding pressure. This allows the processing of complex blade and airfoil geometries and thus a reduction of milling processes and elimination of manual grinding operations.
A powerful CAD/CAM software allows for fast and efficient  generation of NC programs for any work piece geometry. The SPE is also used for finishing and polishing implants and other complex medical work pieces such as macintosh blades.

Rigid heavy duty machine design for wet belt and wheel grinding and polishing blades for steam and gas turbines. 6 CNC interpolating axis plus a floating, individually programmable pressure-controlled axis. The interpolating axis design ensures that the contact wheel and abrasive belt are presented at 90° (perpendicular) to the turbine blade/work piece surface. This ensures a reproducible and repeatable material removal.

The SPE is designed with one continuous machine base which allows a fast installation and makes it easy for this machine to be relocated. It is completely enclosed with mist extraction system.

The machine is designed for common machine tool fixturing. 

Wet belt grinding offers many advantages and allows processing of materials such as titanium, chromium-nickel steel, nickel-based alloys and non-ferrous metals.

Benefits of the SPE process include:

- Constant quality of blades

- Impeccable surface quality

- Highly reproducible and repeatable process

- Easy to program by means of off-line software

- Significant savings in a 5-axis milling process through balancing of process.

- Work relief in particular with heavy blades.

- Precise polishing and profiling of leading and trailing edges

- Perfect solution for turbine blades manufacturing

Gas turbine compressor blade in SPE machine tool.

Gas turbine compressor blade in SPE machine tool.

As of 2022 all new SPE airfoil polishers come with a comfortable 22" SIEMENS operator interface with additional keyboard.

Airfoil grinding and polishing machine tool.

SPE airfoil grinding and polishing machine tool.

Small aero engine turbine blade airfoil polishing on a SPE machine tool

Small aero engine compressor turbine blade polishing and finishing...

3D Form Inspect software measuring results of a turbine blade

Comparison of polishing results using HEXAGONs 3D Form Inspect Software after measuring on a SPE machine tool.

CNC and robotic Turbine blade radius, transition and tri-plane area polishing and finishing

Polishing and finishing radius, transition and tri-plane surface of a turbine blade.

Auto and robotic Turbine blade belt polishing

Polishing a turbine blade using a narrow contact wheel.

Small turbine blade after CNC polishing

Result of polishing a small turbine blade.

Gas turbine compressor blade polishing, grinding and finishing

Compressor gas turbine blade.

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SPE videos

Aircraft engine turbine blade

Complex shape aero engine airfoil polishing on the SPE

Finishing small aero engine compressor airfoil

Even the smallest turbine blades can be polished on the SPE

Machining gas turbine blades

Polishing, linishing and finishing gas turbine blades on the SPE

Manufacturing turbine blades

Compressor blade polishing on the SPE

Machining of IGT blades

Polishing complex IGT blades on the SPE

Manufacturing aero engine turbine blades

Polishing and finishing turbine blades for aircraft engines

Measuring in the SPE machine tool

Measuring of turbine blades in the SPE machine tool using m&h tactile measuring probe and 3D Form Inspect Software.

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