1MS310B-6E-A1 Bosch Rexroth Indramat
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MPN: R911252517
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The Bosch Rexroth Indramat 1MS310B-6E-A1 is a stator for the 1MB Frameless Spindle Motor series and features a frame size of 310 with a B length code. It uses liquid cooling with an aluminum cooling jacket and includes a 1.5 meter connection cable conducted through the stator end. This stator has a 6E winding variant.
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Product Description:
The 1MS310B-6E-A1 from Bosch Rexroth Indramat is supplied as a stator subassembly for high-speed spindle drives. It belongs to the 1MB High-Speed Asynchronous Motors series and serves as the stationary magnetic core around which a matching frameless rotor is installed. In machining centers and test rigs, the stator generates the rotating magnetic field that drives the spindle, allowing compact direct integration into the machine structure instead of relying on a conventional housed motor.
The stator is equipped with a 1.5 m loom that functions as the power and sensor connection cable, and the harness is routed through the stator end so wiring can be completed without extra junction points. Heat is removed by liquid cooling, which draws losses away from the core laminations and helps maintain a stable operating temperature at elevated spindle speeds. To support this cooling method, the assembly uses an aluminum cooling jacket that spreads localized heat before the coolant carries it away. The unit uses frame size 310, allowing it to fit spindle housings built for this diameter class in modular spindle systems.
The stator uses winding variant 6E, a coil arrangement selected for the voltage, current, and base frequency used by compatible high-speed spindle inverters. Its axial stack height corresponds to length code B, providing a medium magnetic length that balances torque density with a compact envelope. Because it is supplied as a frameless spindle motor component, the stator is pressed into the machine builder's housing and paired with a matched rotor sleeve during assembly. This layout allows the surrounding spindle structure to provide mechanical support while the stator supplies the electromagnetic field needed for high-speed rotation.
Frequently Asked Questions about 1MS310B-6E-A1:
Q: How is the connection cable routed in the 1MS310B-6E-A1 stator?
A: The 1MS310B-6E-A1 uses a 1.5 meter connection cable that is conducted through the stator end.
Q: What cooling method does the 1MS310B-6E-A1 stator utilize?
A: This model is equipped with liquid cooling for efficient temperature management during operation.
Q: What is the frame size of the 1MS310B-6E-A1 stator?
A: The 1MS310B-6E-A1 features a frame size of 310 for compatibility with specific spindle motor assemblies.
Q: What type of cooling jacket does the 1MS310B-6E-A1 stator have?
A: This stator is constructed with an aluminum cooling jacket to enhance thermal dissipation.
Q: What winding variant is used in the 1MS310B-6E-A1 stator?
A: The winding variant on this model is designated as 6E.
