Description
Technical Specifications
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Product Model: 1FK7101-5AY71-1SY3-ZS77
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Brand: KUKA
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Warranty: One Year
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Input Voltage: 201 VAC servo rated supply
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Operating Temperature: 0 °C ~ +60 °C
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Storage Temperature: -40 °C ~ +85 °C
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Response Time: ≤ 2.5 ms high-dynamic servo response
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Protection Class: IP65
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Accuracy Class: Ultra-high precision robotic motion grade
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Output Frequency: 0–250 Hz
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Rated Current Range: 9.2–9.8 A (4.9 kW rated power)
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Communication Interface: EnDat 2.2 high-resolution encoder interface
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Supported Protocols: KUKA robot servo bus, EnDat feedback protocol
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Overload Capacity: 200% rated current for 10 seconds, peak torque up to 45 Nm
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Dimensions: 165 mm × 185 mm × 220 mm
Product Overview
The KUKA 1FK7101-5AY71-1SY3-ZS77 is a high-power, low-inertia synchronous servo motor engineered for primary axis drive of KUKA industrial robot systems. This high-performance KUKA motor features a 4.9 kW power rating and integrated 24-bit multiturn absolute EnDat encoder, delivering ultra-precise position feedback and rapid acceleration/deceleration performance. Equipped with a built-in brake and IP65 dustproof and waterproof housing, it adapts to harsh industrial workshop environments with dust, humidity, and electromagnetic interference. It effectively resolves low torque insufficiency, slow dynamic response, and positioning drift issues of conventional servo motors under heavy-load cyclic operation.
Application Scenarios
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Heavy-Duty Robot Primary Axis Drive: This KUKA servo motor is specially designed for Axis 1, 2, and 3 main joint drives of KUKA KR C4 series industrial robots. With high peak torque and strong overload resistance, it stably supports heavy-load handling, palletizing, and heavy welding tasks. Its low-inertia rotor structure ensures flexible dynamic adjustment during frequent start-stop and steering movements, avoiding jitter and positioning errors under variable heavy loads.
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Automotive Welding & Assembly Lines: Deployed in robotic stations for automobile body welding and component assembly. The 1FK7101-5AY71-1SY3-ZS77 maintains long-term stable high-precision motion output in high-frequency cyclic working scenarios, consistent torque output ensures repeated positioning accuracy, effectively improving welding seam uniformity and assembly precision for automotive production lines.
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