Wireless 4-component rotary dynamometer (Wireless RCD)

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basic information

The measurement system consists of a sensor-integrated rotor (a rotary dynamometer for cutting force measurement) that can be directly attached to the machine's spindle, and a signal conditioner that wirelessly receives data from the rotor. The type of rotor required is selected based on the type of spindle on the machine. A piezoelectric 4-component sensor, a 4-channel charge amplifier, and a data communication element are integrated into the rotor, allowing for the measurement of radial forces Fx and Fy, axial force Fz, and torque Mz. To achieve the best measurement quality, each channel has four measurement ranges, and the settings can be adjusted according to whether finishing or rough machining is being performed. The signal conditioner is designed to support Ethernet connections. Parameter settings and data transfer to a PC can be performed through the same connection, and remote operation for starting and stopping measurements is also possible. The signal conditioner has an output signal of ±10V analog output for connecting the measurement system to the analog input of the machining center controller, accommodating various setups from fully automated composite machining to laboratory experiments.

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Application The rotary dynamometer measures three orthogonal forces Fx, Fy, and Fz, as well as the torque Mz during the cutting process (especially during milling and drilling); - Measurement of mechanical load during cutting - Wear analysis - Optimization of cutting parameters - Calculation of material-specific constants (e.g., specific cutting force) - Optimization of tool shape and coating - Verification of cutting simulation - Process analysis of machining processes