KDA 3.1-050-3-DQD-U1
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The Bosch Rexroth Indramat KDA 3.1-050-3-DQD-U1, belonging to the KDA Spindle Drives series, is a panel-mounted servo drive/controller. It features a rated current of 50A, operates at 3 × 400 V AC, and utilizes fan cooling with a resolver for feedback. The drive weighs approximately 20 kg.
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Product Description:
The Bosch KDA 3.1-050-3-DQD-U1 Spindle Drive comes with a wide speed range in continuous power regime that guarantees smooth torque and robustness across a long range of loading requirements. The integrated blower cooling system of this module runs on a standard 115V AC supply of 50-60 Hz that enables them to be customized easily to any global electrical infrastructure.
The KDA 3.1-050-3-DQD-U1 spindle drive gets the speed control orders through a digital interface scheme using 16 binary lines running in parallel that helps it provide very precise input with 65536 levels of speed control. It also comprises an alternative input channel to provide motion commands in a 16 bit digital parallel approach that ensures a fast and specific data transfer between the controlling modules to the drive. It uses an active cooling method to achieve optimal thermal conditions during operation to force air through heat dissipating components with an independent blower fan. Its speed setting mechanism is defined by a digital signal composed of 16 simultaneous bits which allows for detailed and finely graded speed instructions and supports advanced control schemes. It is suited to control a steady state electric current upto 50 amperes and its internal power link can operate with a direct current peak voltage of 300 volts and facilitates energy transfer within the drive system.
The KDA 3.1-050-3-DQD-U1 Spindle Drive accommodates an auxiliary position feedback signal in the form of a one volt peak sinusoidal waveform which helps enhance motion feedback accuracy and it is able to resist deflection or deviation under load which allows for sharp response to disturbances and contributed to excellent position and speed control. It has inbuilt features that aid proper positioning and motion management that are very crucial to use where location targeting of applications is of great concern such as automated tools or robot machines.
Frequently Asked Questions about KDA 3.1-050-3-DQD-U1:
Q: How does the 16-bit parallel speed command improve precision in motor control?
A: The 16-bit parallel interface offers fine granularity in speed control with 65,536 levels. This helps achieve smoother transitions and tighter control in high-precision applications.
Q: Why is the forced cooling system important for the KDA 3.1-050-3-DQD-U1 spindle drive?
A: The forced cooling ensures heat is actively dissipated, preventing overheating during extended high-load use. This prolongs the lifespan and reliability of the unit.
Q: How does sinusoidal encoder input improve feedback accuracy in KDA 3.1-050-3-DQD-U1?
A: Sinusoidal signals offer high-resolution feedback, enhancing the drive’s ability to detect subtle positional shifts. This is critical for smooth and accurate positioning.
Q: Why is a 300V DC bus voltage used in Bosch KDA 3.1-050-3-DQD-U1?
A: A 300V DC link ensures efficient energy transfer and stable operation under dynamic load conditions. It supports faster acceleration and better torque response.
Q: What makes the KDA 3.1-050-3-DQD-U1 suitable for heavy-duty spindle applications?
A: Its 50A rated current and wide speed range allow it to handle high torque demands. This makes it well-suited for heavy CNC and machining applications.
