KDA 2.1-150-3-DYI-W1
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The KDA 2.1-150-3-DYI-W1, part of Bosch Rexroth Indramat's KDA Spindle Drives, is a durable hydraulic coupling with a W1-grade steel build. It has a torque capacity of 150 Nm and operates within a temperature range of -20°C to +80°C. The coupling weighs 1.25 kg and complies with DIN 740 standards.
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Product Description:
One of the precision-made hydraulic couplings in the KDA family, the Bosch Rexroth Indramat KDA 2.1-150-3-DYI-W1, is intended for use in servo and spindle drive systems.
The nominal torque of this coupling can be found to be 150 Nm, and its nominal size is 2.1. It has a three-jaw design, resulting in a secure and balanced conveyance of power, which improves performance and reliability in exacting mechanical uses. This coupling is attached through Direct Yoke Interface (DYI), making it easy to line up and with minimal installation time on closely integrated motion assemblies. The KDA 2.1-150-3-DYI-W1 is designed to be durable and corrosion-resistant with a phosphate coating of the W1-grade steel. It has workable temperatures of up to -20°C to +80°C, and a cold start of up to -40°C, as long as the elasticity of the gear ring remains. This qualifies it to be used in situations where of low temperatures exposure, or thermal cycling is frequent. Misalignment that the coupling supports is moderate, ±1.5 mm axial, ±0.3 mm radial, and up to 1.5° angular displacement.
Within its rated torque, it can provide up to 5 ° of torsional flexibility to distributed around connected shafts to help absorb shocks and vibration between the drive and the driven components. Such a capability is especially important in overcoming rough transmission and avoiding early wear on dynamic or unbalanced loads. The KDA 2.1-150-3-DYI-W1 is also a DIN 740 compliant device that delivers both mechanical robustness and tight tolerances to form a high-performance servo component. At only 1.25 kg, it provides strength with the least amount of excess weight added, making it an advantage in terms of system efficiency and stability in a wide-ranging application in the industrial space.
Frequently Asked Questions about KDA 2.1-150-3-DYI-W1:
Q: What is the torque capacity of the Bosch Rexroth KDA 2.1-150-3-DYI-W1?
A: The coupling is rated for 150 Nm of nominal torque, making it ideal for servo and spindle systems requiring balanced and reliable torque transfer.
Q: What kind of misalignment can the KDA 2.1-150-3-DYI-W1 accommodate?
A: It supports ±1.5 mm axial, ±0.3 mm radial, and up to 1.5° angular misalignment, providing moderate flexibility for shaft connection tolerances.
Q: What material and surface treatment is used for the KDA 2.1-150-3-DYI-W1?
A: It is made from W1-grade steel and finished with a phosphate coating, offering durability and corrosion resistance in industrial environments.
Q: Does the KDA 2.1-150-3-DYI-W1 absorb shock or vibration?
A: Yes, it allows up to 5° of torsional flexibility within rated torque, helping to absorb mechanical shocks and vibrations between connected components.
Q: Is the KDA 2.1-150-3-DYI-W1 compliant with any standards?
A: Yes, the coupling is DIN 740 compliant, ensuring consistent performance, mechanical robustness, and dimensional precision.
