KDA 3.1-150-3-L0I-W1
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The KDA 3.1-150-3-L0I-W1 is a single-axis spindle drive featuring a continuous current of 150 A. Manufactured by Bosch Rexroth Indramat as part of the KDA Spindle Drives series, it operates with an input voltage of 3 x 230 / 400 V and a frequency of 50/60 Hz. This unit utilizes air fan cooling and weighs approximately 17 kg.
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Product Description:
The KDA 3.1-150-3-L0I-W1 Main Spindle Drive is engineered for high reliability in CNC machine tool applications. It supports accurate spindle performance with integrated speed and position control functions. The unit combines compact construction, effective cooling, and modular adaptability.
This KDA 3.1-150-3-L0I-W1 main spindle drive uses a DC bus voltage of 300 V that offers efficient energy transfer and stable operation. It provides a rated current of 150 A that ensures consistent drive performance during prolonged machine operation. The drive employs a forced cooling method to maintain optimal thermal conditions. The unit weighs 17.4 kg while the mounting kit (M1-KD) adds 1.7 kg that allows manageable installation. The spindle drive is equipped with a SERCOS interface for speed command input that enables compatibility with digital control systems. It does not include an auxiliary encoder input but provides an incremental encoder output for system integration. The control and monitoring functions are handled by a high resolution microcomputer based rotor position feedback system. The spindle drive is designed to support both spindle operation and C-axis applications for accurate positioning and smooth motion control. The parameter handling and diagnostic access are possible when connected via an NC terminal with SERCOS interface. This allows detailed monitoring and quick adaptation during operation.
The Bosch Rexroth KDA 3.1-150-3-L0I-W1 main spindle drive also supports the implementation of the entire speed control range without the need for switching. Internal high resolution position control offers spindle positioning with up to 1/2,000,000th revolution accuracy. The model supports a continuous current of 90 A. Its supply module, main spindle control and feed control modules allow customized machine integration. This spindle drive offers precision, reliability and control flexibility required in modern CNC machine tools.
Frequently Asked Questions about KDA 3.1-150-3-L0I-W1:
Q: How does the Bosch Rexroth KDA 3.1-150-3-L0I-W1 achieve consistent performance in demanding CNC spindle operations?
A: It maintains stable operation through its 300 V DC bus voltage and advanced control system. The forced cooling ensures optimal thermal stability during continuous heavy-duty machine tool applications.
Q: What integration benefits does the KDA 3.1-150-3-L0I-W1 spindle drive provide in CNC setups?
A: It supports spindle and C-axis applications with precise speed and position control. The modular design allows seamless use with supply and feed control modules.
Q: How does the Bosch Rexroth KDA 3.1-150-3-L0I-W1 ensure precise spindle positioning?
A: Its microcomputer-based rotor position feedback enables high-resolution accuracy up to 1/2,000,000th revolution. This capability provides smooth motion control and reliable axis synchronization in CNC systems.
Q: In what way does the KDA 3.1-150-3-L0I-W1 manage communication with digital control systems?
A: It uses a SERCOS interface for speed command input and system communication. This feature ensures efficient diagnostic access, parameter handling, and real-time machine monitoring.
Q: What role does current handling play in the performance of the KDA 3.1-150-3-L0I-W1?
A: It delivers a rated current of 150 A for reliable spindle drive performance. The continuous current of 90 A ensures stability under prolonged operational conditions.
