Product Description:

Bosch Rexroth Indramat supplies the MST530P-0012-FH-NNKR-NNNN stator. This stator belongs to the MST Synchronous Torque Motors series and is designed as a direct-drive torque source for large-diameter indexing tables, plastic extruder screws, or test stands, replacing gearbox stages to keep positioning accuracy high and maintenance demands low in automated production cells. Because the unit is a stator, it mates with a matching rotor element supplied separately and forms the electromagnetic core of a frameless torque motor assembly.

At its continuous operating point, the stator delivers 2940 Nm of torque while turning at 120 rpm, a combination that corresponds to 36.9 kW of mechanical output. The laminated core and three-phase power winding keep power density high, and the closed aluminum cooling jacket directs coolant around the active length to stabilize temperature. When short bursts are required, the magnetic system can produce up to 6580 Nm of torque, but rotor speed is limited to 180 rpm to remain within mechanical stress limits. Because it is supplied as a stator only, it couples directly to a compatible rotor and feedback section without requiring intermediate couplings.

For electrical integration, the winding is fed through a terminal box type RLK0004 mounted on the housing, and conductors exit on the right side so cabinet layouts can follow a common routing scheme. The main phase conductors draw a continuous 83.8 A, scaling up to 284 A during acceleration or process peaks, so drive inverters must provide matching current headroom. Liquid coolant flows through internal passages, and the liquid cooling arrangement removes joule and iron losses without adding external fans. Protective earth attachment is provided by an M8 PE thread near the box, and the closed jacket keeps heat and cabling contained within the machine frame.