KDA 3.1-150-3-L0I-U1
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The Bosch Rexroth Indramat KDA 3.1-150-3-L0I-U1 is part of the KDA Spindle Drives series and features three axes with internal air cooling. It has a rated current of 150 A and operates with a mains voltage range of 3x230-480 V AC at 50/60 Hz. The drive weighs approximately 15 kg and integrates fault protection.
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Product Description:
The KDA 3.1-150-3-L0I-U1 Main Spindle Drive from Bosch Rexroth delivers precise speed control with integrated digital monitoring and diagnostic functions. The unit ensures operational reliability through its advanced control architecture and efficient cooling system.
This KDA 3.1-150-3-L0I-U1 main spindle drive features a rated current of 90 A and supports a continuous current of 150 A that ensures stable operation under heavy load conditions. Its drive control is microcomputer based. This enables precise digital monitoring, diagnostics and rotor position measurement. The unit operates on a DC bus voltage of 300 V and supports a speed command value through a SERCOS interface. The speed control range is highly accurate from 0.0005 rpm to maximum speed with a C axis resolution of ≤ 1/360,000 revolution. The permissible measuring voltage is ± 15 V with 1.6 A capacity. The auxiliary interface of the drive includes an incremental encoder output while no auxiliary encoder input is provided. The protection category of the drive is IP 10 with insulation class F for enhanced electrical safety. The cooling of the model is achieved through forced cooling that is supported by an AC supply blower unit operating at 115 V, 50 – 60 Hz. The blower unit has a weight of 1.7 kg.
The KDA 3.1-150-3-L0I-U1 main spindle drive operates effectively with a + 24 V load voltage of 160 mA. The main unit has a weight of 17.4 kg that ensures stability during industrial operations. The design of this spindle drive allows installation elevation up to 1000 meters without derating that is suitable for varied industrial settings. This KDA series spindle drive combines accurate speed control, advanced monitoring and reliable design features for consistent industrial performance.
Frequently Asked Questions about KDA 3.1-150-3-L0I-U1:
Q: How does the Bosch Rexroth KDA 3.1-150-3-L0I-U1 maintain stability during continuous heavy-duty operations?
A: It sustains industrial workloads through its continuous current handling capability and advanced control system. The forced cooling with an AC blower ensures reliable thermal management during demanding cycles.
Q: What kind of precision can the KDA 3.1-150-3-L0I-U1 spindle drive deliver for axis control?
A: It provides ultra-fine control accuracy with high-resolution C axis positioning. The microcomputer-based architecture enables stable monitoring and precise rotor position measurement for enhanced process quality.
Q: How does the KDA 3.1-150-3-L0I-U1 integrate with digital control networks in automation setups?
A: It supports advanced communication via SERCOS interface for accurate speed command handling. This seamless integration enhances compatibility across digital networks used in CNC and process automation.
Q: What protection and safety measures are engineered into the Bosch Rexroth KDA 3.1-150-3-L0I-U1 drive?
A: It is designed with insulation class F to provide high electrical safety. The protection rating ensures consistent operation within controlled industrial environments with reliable fault monitoring.
Q: How does the cooling arrangement in the KDA 3.1-150-3-L0I-U1 support long-term operational reliability?
A: It relies on a forced cooling method supported by a dedicated AC blower. This system prevents overheating and maintains stable performance even during extended operating periods.
