Product Description
The MKE118B-058-AG0-KE4 is a permanent-magnet servo motor. It belongs to the MKE product line from Bosch Rexroth. This series of motors has been specially developed for applications in potentially explosive areas. The housing of the MKE118B-058-AG0-KE4 is as per the ATEX specifications. The maximum motor speed is 4500 RPM. The thermal time constant is 90 minutes. The continuous torque and current ratings for 60 K overtemperature conditions are 28 Nm and 28.4 Amps respectively. The peak torque and current ratings are 102 Nm and 127.6 Amps respectively. The motor torque constant and voltage constant are 1.15 Nm/A and 70 V/RPM at 20 degrees Celsius. The winding on the MKE118B-058-AG0-KE4 has a resistance of 2.2 Ohms when measured at 20 degrees Celsius. The inductivity of the motor winding is 0.170 millihenry.
The MKE118B-058-AG0-KE4 motor includes an integrated single-turn optical encoder. The interface on the encoder is EnDat 2.1. The resolution of the encoder is 13 bits. The number of encoder lines is 2048. The encoder accuracy is ±20 angular seconds. The maximum encoder speed is 15000 RPM. The encoder on the MKE118B-058-AG0-KE4 draws maximum 150 milliamps at 3.6 to 14 Volts DC. A holding brake is not available on the MKE118B-058-AG0-KE4 motor. A terminal box on the top side of the motor houses the electrical connections. The shaft on the MKE118B-058-AG0-KE4 is smooth and comes with a sealing ring. This ring protects the motor bearings and also prevent leakage of oil. Bearing on the motor are greased for their lifetime. This enables maintenance free operation of the motor. The cable entry diameter on the motor is 13 to 16 millimeters. Only qualified and trained personnel should install the motor. This unit can be shipped globally with a one-year warranty period from Wake Industrial.