1MS200D-4F-A1 Bosch Rexroth Indramat
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MPN: R911267706
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The Bosch Rexroth Indramat 1MS200D-4F-A1 is a stator for 1MB frameless spindle motors, featured in the 1MB High-Speed Asynchronous Motors series. It has a frame size of 200, a D length code, and uses liquid cooling with an aluminum cooling jacket. The stator includes a 1.5 meter connection cable conducted through the stator end and a winding variant of 4F.
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Product Description:
The 1MS200D-4F-A1 stator is manufactured by Bosch Rexroth Indramat and belongs to the 1MB High-Speed Asynchronous Motors series. Designed for integration into frameless spindle assemblies, the unit provides the rotating magnetic field needed to drive high-speed machining and grinding spindles in automated production lines. Its design includes only the stationary electromagnetic section, so the rotor and bearing system are supplied by the machine builder to keep the spindle package compact inside tight mechanical envelopes. This arrangement also allows the spindle housing, bearings, and shaft structure to be selected for the intended speed range and machine layout.
Within the stator, coolant circulates through a liquid cooling circuit around the laminations to maintain thermal stability during continuous high-frequency operation. The unit uses frame size 200 for dimensional compatibility, and motor length code D gives a mid-range axial length that balances torque density with installation depth. Its winding variant 4F sets the conductor turns and insulation stack for the target voltage class, while an integral aluminum cooling jacket improves stiffness and heat transfer without requiring an external finned housing. By removing heat close to the active iron, the cooling path helps support consistent electromagnetic behavior during sustained spindle duty.
Cabling is supplied as a 1.5 m loom that exits through the stator end, allowing direct connection to the drive without field-fabricated harnesses. This arrangement keeps the winding leads short, which helps limit added impedance and simplifies routing through the machine frame. The fixed loom also reduces the need for intermediate joints inside the spindle enclosure, which helps preserve a clean internal layout. Cable exit at the stator end leaves more freedom around the outer housing for coolant fittings and mounting features.
Frequently Asked Questions about 1MS200D-4F-A1:
Q: What type and length of connection cable does the 1MS200D-4F-A1 stator include?
A: This stator for the 1MS200D-4F-A1 is equipped with a 1.5 meter loom cable that is conducted through the stator end.
Q: What is the cooling method utilized by the 1MS200D-4F-A1 stator?
A: The 1MS200D-4F-A1 features a liquid cooling method to efficiently manage operating temperatures during use.
Q: What cooling jacket material is used in the construction of the 1MS200D-4F-A1 stator?
A: This stator uses an aluminum cooling jacket for improved heat dissipation.
Q: What frame size does the 1MS200D-4F-A1 stator have?
A: The 1MS200D-4F-A1 has a frame size of 200, ensuring compatibility with corresponding 1MB spindle motor housings.
Q: What winding variant is present on the 1MS200D-4F-A1 stator?
A: The winding variant on this model is designated as 4F.
