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Compression Spring and End Piece for Corded Appliances

Compression Spring and End Piece for Corded Appliances



The pitch-bonded graphite material used features high thermal and electrical resilience and great commutation and radio-interference suppression properties. Thanks to its resistance range of 35 to 3,000 μΩm, a broad spectrum of uses for motors of all performance classes is opened up. The integrated cut-off device prevents damage to the motor and the entire machine by reliably switching off the appliance as soon as the wear limit of the carbon brush is reached. The compression spring and end piece design of this carbon brush means reliable electric current transfer and optimized handling during assembly.Get more news about Compression Ceramic Spring,you can vist our website!
The compression properties of C/SiC composite and Inconel X-750 helical springs were investigated from room temperature (RT) to 1000°C in air. The density of C/SiC spring is 1.74 g/cm3, only ~1/5 of X-750 value (8.17 g/cm3) and the spring constants of C/SiC and X-750 springs at RT are 3.47 and 5.61 N/mm, respectively. The spring constants of X-750 spring decreased with increase of temperature. X-750 spring could keep excellent property below 600°C, but its spring constant was only 36.7% of RT value at 800°C and permanent deformation appeared. At 1000°C, it could not restore and was destroyed. The spring constants of C/SiC spring at 400°C and 600°C were appreciably higher than the RT value, and then decreased with temperature elevating. Above 800°C, the spring constant decreased with test progressing because of the oxidation of carbon fibers and SiC matrix. But it has a spring constant of 2.40 N/mm (69.2% of the RT value) at 1000°C and can revert to its original dimensions.

Perfectly matched L-material for corded appliances
Characterized by weak abrasive behavior and a broad resistance range
High thermal and electrical resilience
Great commutation and radio frequency interference (RFI) suppression properties
Stop-motion mechanism ensures a longer machine service life

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