Joliet Technologies recently shipped a Siemens 6RA70 DC Drive and GE 752 Traction Motor to Hallett Materials in Des Moines, Iowa.
A recent project we shipped to Hallett Materials in Des Moines, IA. Hallett Materials is a division of Oldcastle Materials, the leading vertically integrated supplier of aggregates, asphalt, ready mix concrete, and paving services in the United States. Annually they produce 136 million tons of aggregates, 38 million tons of asphalt, and 6.6 million cubic yards of ready mix concrete at more than 550 locations nationwide.
Joliet Technologies provided a GE 752 DC Shunt Wound Traction motor with a SIEMENS 6RA70 DC Digital SCR (Silicon Controlled Rectifier) Drive Controller System for a Dredging Application.
AmeriMex Remanufactured GE 752 DC Shunt Wound Traction Motor, rated at 750HP.
Remanufactured GE 752 Shunt Wound DC Traction Motor, rated at 750HP, 1040RPM, 750VDC armature, 50.5 amp field, forced ventilated, supplied by AmeriMex Motor & Controls, Inc. of Houston TX, with the following features:
- Shunt Field
- Marine type stainless steel pressurized junction box
- Lockout Device
- Pressure Switch
- Anti-friction grease type ball bearings
- 100 ohm Platinum RTD’s installed and terminated
- Single Shaft Extension
- 10 HP, 3600RPM, 460 VAC Stainless steel cooling blower
- Heater installed and wired
DC Drive Cabinet w/Operator Devices and 12,000BTU Air Conditioner Mounted on Door.
Drive systems consists of a Siemens 6RA70 DC digital drive package, with ratings of 850 ADC. Drive is a one quadrant. Drive will be mounted and wired in a modified one door, Nema 12 enclosure with a 1200 amp MCS and a through the door disconnect. The System has field supply transformer 600/230 VAC, for 50.5 amp rated motor field. Drive contain the following features: