Lenze GKS06-3A SAR 17NC35 Helical-Bevel Gearbox
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Product Information
The Lenze GKS06-3A SAR 17NC35 is a three-stage helical-bevel right-angle gearbox engineered for efficient speed reduction and power transmission in industrial automation applications. Belonging to the Lenze GKS series, this gear reducer delivers a precise gear ratio of 6.485 with a maximum output torque capacity of 450 Nm. Built inside a rigid gray cast iron housing, the unit features a hollow output shaft with a DIN 6885 keyway, providing compact direct-drive integration while achieving up to 94% mechanical efficiency to minimize energy consumption and heat dissipation.
Integrating a replacement unit requires matching the mechanical interface and mounting configuration. The GKS06-3A SAR 17NC35 incorporates a 17NC35 motor adapter flange interface for proper motor coupling, alongside mounting options for flange installation or torque plate stabilization with rubber buffers. Before putting a replacement gearbox into service, maintenance teams must verify the designated mounting position (M1 through M6) to ensure correct oil lubrication levels. System calculations and drive verification can be completed using Lenze Drive Solution Designer (DSD) and EASY Product Finder tools, while ABC Industrial Parts can support sourcing exact-match replacement units for existing drive assemblies.
Routine condition monitoring relies on visual and acoustic inspection during operation to identify early indications of oil leaks, excessive vibration, or gear mesh noise. Mechanical and thermal load limits can be audited using Lenze Drive Solution Designer calculations to avoid overloading the drive train. When internal gearing suffers severe wear or mechanical breakdown, board-level or internal rebuilding is generally impractical in the field, making a tested replacement unit from ABC Industrial Parts the most efficient path back to full production capacity.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | GKS06-3A SAR 17NC35 |
| Model / Type | Gearbox i=6,485 |
| Product Family | GKS Series |
| Gear Ratio | 6.485 |
| Number of Gear Stages | 3 |
| Max Output Torque | 450 Nm |
| Mechanical Efficiency | 94% |
| Gearbox Design | Helical-bevel right-angle |
| Housing Material | Gray cast iron |
| Output Shaft Design | Hollow shaft with keyway (DIN 6885) |
| Mounting Design | Flange-mounted with torque plate option |
| Motor Adapter Interface Code | 17NC35 |
Diagnostics and Status Indication
Condition monitoring for the Lenze GKS06-3A SAR 17NC35 relies on physical and acoustic inspection methods during operating cycles. Technical personnel should check for oil seepage along housing joins and shaft seals, evaluate operating surface temperature across the cast iron body, and listen for irregular gear noise or rising vibration levels.
Mechanical and thermal load verification can be evaluated using Lenze Drive Solution Designer (DSD). Inputting operational duty cycles into the engineering software confirms that maximum continuous output torque remains within the 450 Nm rating and prevents thermal overload.
Replacement and Spare Part Considerations
Replacing a Lenze GKS06-3A SAR 17NC35 requires matching physical dimensions and key mechanical parameters. The replacement must retain the 6.485 gear ratio, 3-stage reduction design, and the hollow output shaft with a DIN 6885 keyway to fit existing machine drive shafts without mechanical alterations. Verifying the 17NC35 motor adapter code guarantees correct alignment and thermal coupling with the installed motor.
Proper mounting orientation must be identified before commissioning, choosing from standard mounting positions M1 through M6. Because the mounting position dictates internal oil fill volume, operating the unit with incorrect oil levels causes premature gear wear or thermal failure. While the GKS series is entering phase-out status, the Lenze g500-B450 helical-bevel series is designated as the recommended successor family for system modernization.
Frequently Asked Questions
What is the gear ratio and torque capacity of the Lenze GKS06-3A SAR 17NC35?
The gearbox features an exact gear ratio of 6.485 across 3 gear stages and provides a maximum output torque capacity of 450 Nm.
What type of output shaft is used on this Lenze gearbox?
It is equipped with a hollow output shaft featuring a DIN 6885 keyway for direct shaft-mounted installation.
Why is the mounting position (M1-M6) important when replacing this gearbox?
The specific mounting position determines the correct oil fill level required for optimal lubrication and thermal regulation inside the gray cast iron housing.
What software tools can be used to model and calculate load for this gearbox?
Drive sizing calculations and load verification can be performed using Lenze Drive Solution Designer (DSD) and the Lenze EASY Product Finder tool.
Is the Lenze GKS series active or phased out?
The Lenze GKS series is transitioning to phase-out status, with the Lenze g500-B450 helical-bevel series recommended as the direct successor line.
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Disclaimer:
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