KDA 3.1-150-3-DQS-W1
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The KDA 3.1-150-3-DQS-W1 is a ball screw spindle drive with a nominal diameter of 3.1 mm and a lead of 150 mm. Manufactured by Bosch Rexroth Indramat, it is part of the KDA Spindle Drives Series and features a double-quenched system (DQS) for ball recirculation. Made from corrosion-resistant steel (W1), it comes with a single nut.
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Product Description:
The module KDA 3.1-150-3-DQS-W1 is manufactured by a primary supplier of KDA spindle drives, Bosch Rexroth Indramat. This ball screw is specified to convert rotary motion to precise linear motion for positioning tasks. Its nominal diameter of 3.1 mm sets shaft stiffness and guides buckling and load calculations. Further, the 150 mm lead yields long linear travel per revolution and enables high linear velocity for rapid traverse applications.
Number of starts the unit requires is “3” which increases linear advance per revolution and spreads load across more rolling elements for smoother motion. The device employs ball recirculation system as Double-Quenched System (DQS) and that specifies hardened raceways and extended rolling element life under repeated high loads. Material “W1” corrosion-resistant steel reduces corrosion risk and supports operation in humid or mildly corrosive atmospheres. Single nut type is used to simplify assembly and reduces nut envelope for compact linear modules. Preload type is optional for this drive and permits selection of preload to control axial play and stiffness.
The published permissible operating temperature up to +80°C is available from official documentation, setting thermal limits for lubrication and material selection. Characteristic speed limit expressed as d0 times n ≤ 150000 is documented which limits permissible screw surface speed and informs safe maximum rpm for long service life. Relubrication interval guidance such as relubrication every 500 km for certain leads, thus sets maintenance intervals to sustain travel life. Available tolerance grades include T5, T7 and T9 that allow selection of positional accuracy versus cost. The options for preload classes such as C0 and C1 are offered to permit specification of rigidity and axial clearance per application needs.
Frequently Asked Questions about KDA 3.1-150-3-DQS-W1:
Q: How does lead impact application selection for component number KDA 3.1-150-3-DQS-W1?
A: The lead for KDA 3.1-150-3-DQS-W1 determines linear displacement per revolution which guides motor sizing and motion profile planning.
Q: How does number of starts affect load distribution for part number KDA 3.1-150-3-DQS-W1 and what should be considered?
A: The number of starts for the drive increases the number of ball circulation tracks which spreads axial load across more rolling elements.
Q: What advantages does the Double-Quenched System provide for KDA 3.1-150-3-DQS-W1 and how does it influence life expectancy?
A: The Double-Quenched system hardens raceways and rolling surfaces which raises fatigue resistance and lowers wear rates and thus lengthens travel life under repeated high load cycles.
Q: Why is the W1 corrosion-resistant steel material used for KDA 3.1-150-3-DQS-W1?
A: The material W1 corrosion-resistant steel for KDA 3.1-150-3-DQS-W1 reduces susceptibility to corrosion and oxidation which supports operation in humid environments.
Q: How does choosing a single nut affect assembly for KDA 3.1-150-3-DQS-W1 and what installation considerations exist?
A: Single Nut configuration in this spindle drive reduces nut envelope and simplifies mounting which aids compact design integration.
