KUKA 00-176-107 Servo Motor – KR C Series

KUKA 00-176-107 Axis Servo Motor: Torque Transmission Architecture in KR C Closed-Loop Control Systems

The KUKA 00-176-107 is a permanent magnet synchronous motor (PMSM) manufactured to OEM specification for deployment across the KUKA KR C2 and KR C4 robot controller families. Within a six-axis articulated robot, each joint axis operates as an independent servo axis: the KRC motion planner generates interpolated position setpoints at the system cycle rate, the KSD servo drive module executes field-oriented current control, and the axis motor converts regulated three-phase power into joint torque. The 00-176-107 occupies the mechanical output stage of this chain — its rotor shaft couples directly to the gearbox input of the designated robot axis, transmitting torque to the arm structure with angular positioning governed by the closed-loop feedback path.

The 00-176-xxx part series in KUKA’s spare parts taxonomy identifies precision-wound PMSM units integrated with multi-turn absolute encoders, validated against the axis load envelopes of the KR 6, KR 16, KR 30, KR 60, and adjacent payload-class robots. The 00-176-107 carries the identical part number referenced in KUKA field service documentation and spare parts catalogs, making it a direct OEM replacement with no parameter re-configuration required in the KRC drive software. For maintenance engineers managing robot availability in automotive body-in-white lines, aerospace assembly cells, or high-throughput palletizing stations, part number fidelity is a functional requirement — not a preference. Non-OEM substitutes introduce encoder protocol mismatches, mechanical interface deviations, and thermal derating risks that generate KRC fault codes and invalidate system warranties.

Sourcing the 00-176-107 from siemensplc.com provides access to verified OEM stock with pre-shipment inspection, backed by a 12-month warranty and express logistics from Xiamen, China to global destinations within 3–7 business days.

Real-time Stock & RFQ: [email protected] | WhatsApp: +86 18359268345

Technical Parameters

Axis-specific electrical parameters — rated torque (Nm), rated speed (rpm), peak current (A), and continuous stall torque — vary by robot model and axis position. Provide your robot serial number or KRC cabinet label when submitting an RFQ to confirm exact electrical compatibility.

Hardware Logical Analysis

The PMSM topology of the 00-176-107 produces torque through the vector cross-product of stator current and the fixed excitation field generated by the rotor’s permanent magnets. The KSD servo drive implements field-oriented control (FOC), decomposing stator current into a flux-producing d-axis component and a torque-producing q-axis component. This decoupled control structure allows the motor to deliver rated torque from zero speed — a non-negotiable requirement for robot axes that must hold position under gravity load without sustained thermal penalty on the winding insulation.

The integrated multi-turn absolute encoder stores axis position data across power-off intervals using a battery-backed or capacitor-buffered EEPROM cell within the encoder housing. On KR C4 systems, this data is read via the KUKA SIB (Safety Interface Board) and RDC board at startup, allowing the robot to resume from its last known position without a mastering sequence. This eliminates the 5–15 minute homing procedure per axis that would otherwise be required after each planned shutdown or emergency stop event.

EMC performance is addressed at the winding level through balanced three-phase geometry, which minimizes common-mode current injection into the motor frame. The motor housing bonds to the robot arm structure via a low-impedance ground path, and the encoder cable shield terminates at both the motor connector and the RDC board — suppressing high-frequency noise coupling from the KSD drive’s PWM switching transients. The IP65 shaft seal prevents particulate and coolant-mist ingress at the bearing interface, a failure mode that in unprotected motors generates encoder signal jitter and accelerated bearing wear in machining or welding environments.

Thermal management relies on the Class F insulation system and the embedded PTC thermistor in the stator winding. The KRC controller monitors thermistor resistance continuously; as winding temperature approaches the protection threshold, the KRC reduces the current limit setpoint before triggering a fault stop. This graduated thermal protection strategy avoids abrupt production interruptions while preventing insulation degradation that would shorten motor service life.

System Integration Benefits

• Zero-speed torque delivery: PMSM topology provides full rated torque at standstill, enabling precise gravity compensation on vertical and inclined robot axes without continuous high-current draw.
• Absolute position retention across power cycles: Battery-backed multi-turn encoder eliminates post-shutdown homing sequences, recovering 5–15 minutes of restart time per maintenance event.
• Deterministic servo loop closure: Encoder feedback at 1–4 kHz update rates supports the KRC’s real-time interpolation cycle, maintaining path accuracy within ±0.05 mm under dynamic load conditions.
• Plug-compatible OEM mechanical interface: Identical connector pinout, flange bolt pattern, and cable routing to the factory-installed unit — no adapter plates, re-pinning, or mechanical modification required during replacement.
• Graduated thermal fault transparency: Embedded PTC thermistor delivers continuous winding temperature data to the KRC, enabling predictive maintenance alerts before thermal shutdown is triggered.
• EMC-compliant signal integrity: Shielded encoder cable interface and balanced winding geometry suppress PWM-induced noise, preserving encoder signal fidelity in high-frequency switching environments adjacent to welding or plasma equipment.
• Mastering downtime elimination: Absolute encoder data persistence means robot mastering is preserved across power cycles, removing the need for dial gauge re-mastering after motor swap — a procedure that consumes 30–90 minutes per axis in field conditions.
• Validated axis load profile compatibility: Motor torque-speed curve matched to KUKA’s axis load specifications for the KR series, ensuring continuous duty operation within the robot’s rated payload and reach envelope without derating.
• No drive parameter re-configuration: OEM part number identity means the KSD drive’s motor data set (MDI) requires no modification after replacement — the controller recognizes the motor parameters from its existing configuration file.
• Reduced spare parts complexity: A single verified OEM part number covers multiple axis positions across the KR 6–60 payload range, simplifying spare parts inventory management for multi-robot installations.

Quality Assurance & Global Logistics

Every KUKA 00-176-107 unit dispatched from siemensplc.com is sourced as a genuine OEM component carrying KUKA’s original part number label and factory markings. Each unit passes a structured pre-shipment inspection: part number label verification against KUKA OEM documentation, visual inspection of the motor housing, shaft, and connector pins for mechanical damage, three-phase winding resistance measurement to confirm phase balance within tolerance, and encoder connector continuity check. Units are packaged in anti-static foam-lined cartons with moisture-barrier sealing, rated for international air freight handling conditions.

Logistics operations are managed from Xiamen, China — a primary international freight hub with direct access to DHL, FedEx, UPS, and TNT express networks. Standard express delivery to Europe, North America, Southeast Asia, and the Middle East completes within 3–7 business days from order confirmation. For breakdown situations requiring urgent dispatch, same-day or next-flight-out options are available upon request. All shipments include full tracking, commercial invoice, and packing documentation. Export compliance is handled in accordance with applicable trade regulations for industrial automation components.

A 12-month warranty applies from the date of shipment, covering manufacturing defects and functional failures under normal operating conditions. Warranty claims are processed with a replacement-first policy to minimize customer downtime exposure.

Contact Information

Email: [email protected]
WhatsApp: +86 18359268345
Web: siemensplc.com
Location: Xiamen, China
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