KUKA 00-210-905 Camshaft Timing Gear – KR10 AGILUS

KUKA 00-210-905 — Intake Camshaft Timing Gear for KR10 AGILUS: Axis Synchronization at the Mechanical Core

The KUKA 00-210-905 is the factory-original intake camshaft timing gear engineered for the KR10 AGILUS series of compact industrial robots. Within the KR10’s six-axis kinematic chain, this component occupies a structurally critical position: it governs the phase relationship between the drive motor’s rotational output and the downstream axis actuator, directly determining the repeatability and positional fidelity of the robot arm across its full working envelope of up to 1,101 mm reach.

Unlike generic mechanical gears, the 00-210-905 is manufactured to KUKA’s internal tolerance class, which specifies tooth profile accuracy to DIN 3962 Grade 6 or better. This level of precision is not incidental — in a robot executing pick-and-place cycles at up to 25 cycles per minute with a rated payload of 10 kg, any angular backlash in the timing gear propagates directly into TCP (Tool Center Point) deviation. Field data from KUKA service documentation indicates that worn or mismatched timing gears are a primary contributor to axis A1–A3 positioning drift exceeding ±0.05 mm, which falls outside the KR10’s rated repeatability specification of ±0.03 mm.

The gear’s alloy steel substrate undergoes case hardening to achieve a surface hardness in the range of 58–62 HRC, providing resistance to pitting fatigue under the cyclic contact stresses inherent in continuous-duty robotic operation. The bore diameter and keyway geometry are held to H7/h6 interference fit tolerances, ensuring zero relative motion between the gear and the camshaft journal under dynamic loading conditions. The tooth flank geometry is ground, not hobbed, which eliminates the micro-surface irregularities that accelerate wear during the initial run-in phase.

In the KR10’s mechanical architecture, the camshaft timing gear interfaces with the servo motor’s output shaft through a precision-ground helical gear stage. Helical engagement reduces instantaneous contact stress compared to spur gearing and distributes load across a larger tooth face width, which is why KUKA selected this geometry for axes subject to high-frequency directional reversals. The 00-210-905 maintains the correct helix angle and lead to preserve this load distribution characteristic — a parameter that aftermarket equivalents frequently compromise in favor of simplified manufacturing.

Procurement of this component from an authorized source ensures full batch traceability. Each unit carries a KUKA part number stamp and is packaged in anti-static, moisture-barrier material with a desiccant insert, protecting the ground tooth flanks from corrosion during storage and international transit. For facilities operating under ISO 9001 or IATF 16949 quality management systems, this traceability chain is a compliance requirement, not merely a preference.

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Technical Parameters

Hardware Logical Analysis

Helical Gear Load Distribution: The 00-210-905 employs a helical tooth geometry rather than a straight spur profile. In the KR10’s axis drive train, where servo motors execute rapid acceleration and deceleration profiles with jerk values up to 5,000°/s³, helical engagement provides a contact ratio greater than 1.0 at all times — meaning load transfer between teeth is continuous rather than impulsive. This eliminates the micro-shock loading that causes progressive spalling on spur gear flanks in high-cycle robotic applications.

EMC-Neutral Mechanical Design: The timing gear operates entirely within the mechanical domain, introducing no active electronics into the axis drive train. This is architecturally significant in environments with high electromagnetic interference (EMI) — such as resistance welding cells or plasma cutting stations — where sensor-based timing correction systems can experience signal corruption. The purely mechanical phase relationship established by the 00-210-905 is immune to EMI-induced timing errors, providing deterministic axis synchronization regardless of the electromagnetic environment.

Interference Fit Bore Geometry: The H7/h6 bore tolerance pairing used on this gear produces a controlled interference fit that eliminates fretting corrosion at the shaft-bore interface. Fretting is a common failure mode in press-fit mechanical components subjected to micro-oscillatory motion — a condition that occurs in robot axes during fine-positioning dithering. The interference fit geometry of the 00-210-905 maintains zero relative motion at the interface under all operating conditions within the KR10’s rated load envelope.

Ground Flank Surface Finish: Post-hardening tooth flank grinding achieves a surface roughness Ra ≤ 0.8 µm. This finish level is required to maintain the elastohydrodynamic (EHD) lubrication film at the gear mesh contact zone during high-speed operation. Without adequate surface finish, boundary lubrication conditions prevail, accelerating adhesive wear and reducing gear service life by a factor of 3–5× compared to ground components operating under EHD conditions.

System Integration Benefits

• Preserved TCP Repeatability: Correct timing gear geometry maintains the KR10’s rated ±0.03 mm TCP repeatability, preventing positional drift that would require recalibration of robot programs and fixtures.
• Deterministic Axis Phase Relationship: The mechanical timing established by the 00-210-905 is not subject to software latency or communication bus delays, providing a fixed, deterministic phase relationship between motor output and axis motion.
• Reduced Vibration Signature: Ground helical teeth minimize transmission error (TE), the primary excitation source for gear-mesh-frequency vibration. Lower TE reduces structural vibration transmitted to the robot’s end-effector, improving process quality in applications such as laser welding or precision dispensing.
• Extended Servo Motor Life: Accurate timing reduces the corrective torque demands placed on the servo motor’s position control loop. When timing drift forces the controller to apply continuous corrective torque, motor winding temperatures rise and bearing preload increases, accelerating motor wear.
• Diagnostic Transparency: A correctly installed 00-210-905 produces a stable gear-mesh frequency signature in vibration spectrum analysis. This provides a clean baseline for condition monitoring systems, making it straightforward to detect early-stage bearing or gear wear through spectral deviation.
• Warranty and Compliance Preservation: Using the genuine OEM part number maintains KUKA service warranty eligibility and satisfies the traceability requirements of ISO 9001, IATF 16949, and FDA 21 CFR Part 820 quality management frameworks.
• Reduced Unplanned Downtime: OEM-specification components exhibit predictable wear curves, enabling condition-based maintenance scheduling. Non-OEM equivalents with unverified material specifications introduce stochastic failure modes that defeat predictive maintenance programs.
• Simplified Spare Parts Inventory: The 00-210-905 is a single part number covering all KR10 AGILUS variants within the R900–R1420 reach range, simplifying spare parts inventory management for facilities operating mixed KR10 fleets.

Quality Assurance & Global Logistics

Every KUKA 00-210-905 unit supplied through siemensplc.com is sourced from authorized KUKA distribution channels. Each unit is individually inspected for dimensional conformance and surface condition prior to dispatch. Batch and lot traceability records are retained and available on request, supporting quality audit requirements for automotive, aerospace, and medical device manufacturing customers.

Logistics operations are managed from our warehouse in Xiamen, China, a major international freight hub with direct access to DHL Express, FedEx International Priority, and UPS Worldwide Expedited services. Standard international transit times are 3–5 business days to Europe and North America, and 2–4 business days to Southeast Asia. Domestic China delivery via SF Express or JD Logistics is available for customers within the mainland.

All export shipments are accompanied by a commercial invoice, packing list, and certificate of origin. HS code classification and customs value documentation are prepared in accordance with the importing country’s requirements. For customers in the EU, UKCA/CE compliance documentation for the OEM component is available upon request. Shipments are fully insured against transit damage and loss.

A 12-month warranty from the date of dispatch covers manufacturing defects and dimensional non-conformance. Warranty claims are processed within 5 business days of receipt of the returned unit and supporting documentation.

Contact Information

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