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Orange High Torque Planetary Gear PG56/63ZY125-40KG
The Orange High Torque Planetary Gear PG56/63ZY125-40KG is a precision-engineered compact gearbox designed to deliver 40 kg-cm of holding torque with exceptional efficiency in robotic arms, industrial automation systems, and precision motion control applications. Professional engineers and automation integrators rely on this model for applications requiring high torque density in confined spaces, where traditional spur gears cannot meet performance demands. This planetary gear system solves the critical challenge of achieving high reduction ratios with minimal backlash while maintaining compact form factors essential for collaborative robots and CNC machinery.
Product Overview
The PG56/63ZY125-40KG represents the pinnacle of planetary gear technology, featuring a three-stage planetary arrangement that distributes load across multiple pinion gears simultaneously. This design principle ensures that torque transmission occurs through multiple load paths, dramatically reducing stress concentration and extending operational lifespan compared to single-mesh gear arrangements. The 56mm input flange and 63mm body diameter create an optimal balance between structural rigidity and weight efficiency, making this gearbox ideal for servo motor applications operating at speeds up to 3000 RPM with smooth power delivery across the entire torque curve.
What distinguishes the PG56/63ZY125-40KG is its exceptional backlash control, typically under 3 arcminutes, achieved through precision-ground helical gears and preloaded bearing arrangements. The 125:1 reduction ratio provides substantial mechanical advantage while maintaining repeatability critical for pick-and-place operations, surgical robotics, and precision assembly. The sealed housing protects internal components from dust and moisture ingress, while the integrated output flange accommodates standard ISO mounting patterns, ensuring seamless integration into existing mechanical systems without custom adapter plates.
Key Specifications
| Specification | Details |
| Product Type | Compact Planetary Gearbox with Flange Mount |
| Brand | Orange Precision Gears |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Input Flange Diameter | 56mm with ISO 9409-1-50-4-M6 interface |
| Output Shaft Diameter | 12mm hardened steel with keyway |
| Gear Ratio | 125:1 single-stage reduction |
| Holding Torque | 40 kg-cm at rated load |
| Input Speed Range | 50 to 3000 RPM continuous duty |
| Backlash | Less than 3 arcminutes typical |
| Efficiency | 92% at rated torque |
| Housing Material | Aluminum alloy with sealed labyrinth seals |
| Lubrication | Synthetic gear oil ISO VG 32 pre-filled |
| Operating Temperature | -10 to +60 degrees Celsius |
| Weight | 2.8 kg |
Key Features
- High Torque Density: Delivers 40 kg-cm holding torque in a compact 63mm body diameter, enabling space-constrained robotic applications without sacrificing performance or reliability
- Ultra-Low Backlash: Precision-ground helical gears with preloaded bearings maintain backlash under 3 arcminutes, critical for repeatability in surgical robots and precision manufacturing equipment
- Wide Speed Range: Rated for continuous operation from 50 to 3000 RPM, accommodating both slow-speed high-torque and medium-speed applications with consistent efficiency
- Sealed Housing Design: Integrated labyrinth seals and sealed bearing arrangement protect against dust, moisture, and coolant splash in industrial manufacturing environments
- ISO Mounting Compatibility: Standard ISO 9409-1-50-4-M6 input flange and metric output shaft keyway eliminate custom adapter requirements and reduce integration time
- Efficient Power Transmission: 92% efficiency rating minimizes heat generation and motor sizing requirements, reducing overall system power consumption
Applications and Use Cases
- Collaborative Robot Joints: Ideal for wrist and elbow joints in cobots requiring high torque in compact form factors with smooth motion control for human-safe interaction
- CNC Machine Tool Spindles: Provides precise speed reduction and torque multiplication for automated tool changers and rotary table positioning systems in machining centers
- Surgical Robotic Arms: Meets stringent backlash and repeatability requirements for minimally invasive surgical procedures where micron-level accuracy is non-negotiable
- Industrial Automation Pick-and-Place: Delivers consistent torque for gripper actuation and joint movement in high-speed assembly lines processing 50+ cycles per minute
- Precision Packaging Equipment: Powers film feed mechanisms and label application systems requiring synchronized motion and backlash-free positioning
- Automated Inspection Systems: Enables smooth pan-tilt-zoom camera positioning for quality control applications in semiconductor and electronics manufacturing
How to Use
Installation of the PG56/63ZY125-40KG begins with mounting the input flange to your servo motor or geared motor using the four M6 cap screws provided, ensuring the mounting surface is perpendicular to the motor shaft within 0.05mm runout tolerance. Connect the output shaft to your driven load using the 12mm keyway, applying a torque wrench set to 15 Nm when tightening the output shaft retaining nut. Before commissioning, verify that the gearbox rotates smoothly through a complete revolution by hand, confirming no grinding sounds or resistance variations that might indicate internal damage during shipping.
During initial operation, run the gearbox at 50% rated input speed for 30 minutes to allow the synthetic gear oil to circulate and establish proper lubrication film across all gear meshes. Monitor the housing temperature using an infrared thermometer, which should stabilize between 45 to 55 degrees Celsius under continuous load. Check the input and output flanges for any axial movement or play after the first 8 hours of operation, as this indicates bearing preload adjustment may be required. Perform quarterly oil inspections by wiping the magnetic drain plug, checking for metallic particles that might suggest accelerated wear; if particles exceed 0.5mm diameter, contact our technical support for bearing evaluation.
Frequently Asked Questions
What is the maximum continuous input speed for the PG56/63ZY125-40KG?
The gearbox is rated for continuous operation up to 3000 RPM input speed under full 40 kg-cm output torque. Beyond 3000 RPM, efficiency drops and thermal load increases significantly. For short-duration peak loads, the gearbox can tolerate brief excursions to 3500 RPM, but sustained operation above rated speed will reduce bearing life and increase wear. We recommend consulting our technical team for applications exceeding 2500 RPM continuous duty.
How does the backlash specification affect robot arm accuracy?
The sub-3-arcminute backlash translates to approximately 0.05mm linear error at a 100mm radius from the joint center. This precision is essential for pick-and-place accuracy in electronics assembly where component placement tolerances are typically 0.1mm. The preloaded bearing arrangement eliminates direction-reversal backlash spikes, ensuring consistent positioning whether the joint is accelerating or decelerating. For applications requiring sub-0.01mm accuracy, consider implementing electronic backlash compensation through your motion controller.
Is the PG56/63ZY125-40KG suitable for outdoor or washdown environments?
While the sealed labyrinth design provides excellent protection against dust and light moisture, the aluminum housing is not rated for continuous high-pressure washdown or corrosive chemical exposure. For washdown applications, we recommend mounting the gearbox vertically with the drain plug at the bottom, and applying a protective silicone conformal coating to the external housing. For marine or chemical processing environments, consult our sales team regarding stainless steel variants or additional protective measures.
What lubrication maintenance is required?
The gearbox ships pre-filled with synthetic ISO VG 32 gear oil suitable for 2000+ hour operation without change under normal conditions. Check the oil level quarterly through the transparent inspection window on the housing side; the oil should reach the midpoint mark. If oil level drops below the minimum mark, top up with the same ISO VG 32 synthetic oil. Complete oil change is recommended every 5000 operating hours or annually, whichever comes first. Drain the old oil while the gearbox is warm to ensure complete removal of wear particles.
Can the PG56/63ZY125-40KG be mounted in any orientation?
The gearbox performs optimally in horizontal or slightly inclined orientations where the drain plug is at the lowest point. Vertical mounting with the output shaft pointing downward is acceptable for short durations, but prolonged vertical operation causes oil to pool in the output bearing cavity, reducing cooling efficiency. Avoid mounting with the input flange facing downward, as this forces oil away from critical gear mesh areas. For non-standard mounting orientations, contact our engineering team for specific guidance.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
-
Buy Orange High Torque Planetary Gear PG56/63ZY125-40KG Online in India
Purchase the Orange High Torque Planetary Gear PG56/63ZY125-40KG online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.
Orange High Torque Planetary Gear PG56/63ZY125-40KG
The Orange High Torque Planetary Gear PG56/63ZY125-40KG is a precision-engineered compact gearbox designed to deliver 40 kg-cm of holding torque with exceptional efficiency in robotic arms, industrial automation systems, and precision motion control applications. Professional engineers and automation integrators rely on this model for applications requiring high torque density in confined spaces, where traditional spur gears cannot meet performance demands. This planetary gear system solves the critical challenge of achieving high reduction ratios with minimal backlash while maintaining compact form factors essential for collaborative robots and CNC machinery.
Product Overview
The PG56/63ZY125-40KG represents the pinnacle of planetary gear technology, featuring a three-stage planetary arrangement that distributes load across multiple pinion gears simultaneously. This design principle ensures that torque transmission occurs through multiple load paths, dramatically reducing stress concentration and extending operational lifespan compared to single-mesh gear arrangements. The 56mm input flange and 63mm body diameter create an optimal balance between structural rigidity and weight efficiency, making this gearbox ideal for servo motor applications operating at speeds up to 3000 RPM with smooth power delivery across the entire torque curve.
What distinguishes the PG56/63ZY125-40KG is its exceptional backlash control, typically under 3 arcminutes, achieved through precision-ground helical gears and preloaded bearing arrangements. The 125:1 reduction ratio provides substantial mechanical advantage while maintaining repeatability critical for pick-and-place operations, surgical robotics, and precision assembly. The sealed housing protects internal components from dust and moisture ingress, while the integrated output flange accommodates standard ISO mounting patterns, ensuring seamless integration into existing mechanical systems without custom adapter plates.
Key Specifications
| Specification | Details |
| Product Type | Compact Planetary Gearbox with Flange Mount |
| Brand | Orange Precision Gears |
| Origin | Original/Authentic |
| Warranty | 7 days on manufacturing defects |
| Shipping | 1-5 days from Bengaluru |
| Delivery | 7-8 days across India |
| Support | 24/7 via Email and WhatsApp |
| Input Flange Diameter | 56mm with ISO 9409-1-50-4-M6 interface |
| Output Shaft Diameter | 12mm hardened steel with keyway |
| Gear Ratio | 125:1 single-stage reduction |
| Holding Torque | 40 kg-cm at rated load |
| Input Speed Range | 50 to 3000 RPM continuous duty |
| Backlash | Less than 3 arcminutes typical |
| Efficiency | 92% at rated torque |
| Housing Material | Aluminum alloy with sealed labyrinth seals |
| Lubrication | Synthetic gear oil ISO VG 32 pre-filled |
| Operating Temperature | -10 to +60 degrees Celsius |
| Weight | 2.8 kg |
Key Features
- High Torque Density: Delivers 40 kg-cm holding torque in a compact 63mm body diameter, enabling space-constrained robotic applications without sacrificing performance or reliability
- Ultra-Low Backlash: Precision-ground helical gears with preloaded bearings maintain backlash under 3 arcminutes, critical for repeatability in surgical robots and precision manufacturing equipment
- Wide Speed Range: Rated for continuous operation from 50 to 3000 RPM, accommodating both slow-speed high-torque and medium-speed applications with consistent efficiency
- Sealed Housing Design: Integrated labyrinth seals and sealed bearing arrangement protect against dust, moisture, and coolant splash in industrial manufacturing environments
- ISO Mounting Compatibility: Standard ISO 9409-1-50-4-M6 input flange and metric output shaft keyway eliminate custom adapter requirements and reduce integration time
- Efficient Power Transmission: 92% efficiency rating minimizes heat generation and motor sizing requirements, reducing overall system power consumption
Applications and Use Cases
- Collaborative Robot Joints: Ideal for wrist and elbow joints in cobots requiring high torque in compact form factors with smooth motion control for human-safe interaction
- CNC Machine Tool Spindles: Provides precise speed reduction and torque multiplication for automated tool changers and rotary table positioning systems in machining centers
- Surgical Robotic Arms: Meets stringent backlash and repeatability requirements for minimally invasive surgical procedures where micron-level accuracy is non-negotiable
- Industrial Automation Pick-and-Place: Delivers consistent torque for gripper actuation and joint movement in high-speed assembly lines processing 50+ cycles per minute
- Precision Packaging Equipment: Powers film feed mechanisms and label application systems requiring synchronized motion and backlash-free positioning
- Automated Inspection Systems: Enables smooth pan-tilt-zoom camera positioning for quality control applications in semiconductor and electronics manufacturing
How to Use
Installation of the PG56/63ZY125-40KG begins with mounting the input flange to your servo motor or geared motor using the four M6 cap screws provided, ensuring the mounting surface is perpendicular to the motor shaft within 0.05mm runout tolerance. Connect the output shaft to your driven load using the 12mm keyway, applying a torque wrench set to 15 Nm when tightening the output shaft retaining nut. Before commissioning, verify that the gearbox rotates smoothly through a complete revolution by hand, confirming no grinding sounds or resistance variations that might indicate internal damage during shipping.
During initial operation, run the gearbox at 50% rated input speed for 30 minutes to allow the synthetic gear oil to circulate and establish proper lubrication film across all gear meshes. Monitor the housing temperature using an infrared thermometer, which should stabilize between 45 to 55 degrees Celsius under continuous load. Check the input and output flanges for any axial movement or play after the first 8 hours of operation, as this indicates bearing preload adjustment may be required. Perform quarterly oil inspections by wiping the magnetic drain plug, checking for metallic particles that might suggest accelerated wear; if particles exceed 0.5mm diameter, contact our technical support for bearing evaluation.
Frequently Asked Questions
What is the maximum continuous input speed for the PG56/63ZY125-40KG?
The gearbox is rated for continuous operation up to 3000 RPM input speed under full 40 kg-cm output torque. Beyond 3000 RPM, efficiency drops and thermal load increases significantly. For short-duration peak loads, the gearbox can tolerate brief excursions to 3500 RPM, but sustained operation above rated speed will reduce bearing life and increase wear. We recommend consulting our technical team for applications exceeding 2500 RPM continuous duty.
How does the backlash specification affect robot arm accuracy?
The sub-3-arcminute backlash translates to approximately 0.05mm linear error at a 100mm radius from the joint center. This precision is essential for pick-and-place accuracy in electronics assembly where component placement tolerances are typically 0.1mm. The preloaded bearing arrangement eliminates direction-reversal backlash spikes, ensuring consistent positioning whether the joint is accelerating or decelerating. For applications requiring sub-0.01mm accuracy, consider implementing electronic backlash compensation through your motion controller.
Is the PG56/63ZY125-40KG suitable for outdoor or washdown environments?
While the sealed labyrinth design provides excellent protection against dust and light moisture, the aluminum housing is not rated for continuous high-pressure washdown or corrosive chemical exposure. For washdown applications, we recommend mounting the gearbox vertically with the drain plug at the bottom, and applying a protective silicone conformal coating to the external housing. For marine or chemical processing environments, consult our sales team regarding stainless steel variants or additional protective measures.
What lubrication maintenance is required?
The gearbox ships pre-filled with synthetic ISO VG 32 gear oil suitable for 2000+ hour operation without change under normal conditions. Check the oil level quarterly through the transparent inspection window on the housing side; the oil should reach the midpoint mark. If oil level drops below the minimum mark, top up with the same ISO VG 32 synthetic oil. Complete oil change is recommended every 5000 operating hours or annually, whichever comes first. Drain the old oil while the gearbox is warm to ensure complete removal of wear particles.
Can the PG56/63ZY125-40KG be mounted in any orientation?
The gearbox performs optimally in horizontal or slightly inclined orientations where the drain plug is at the lowest point. Vertical mounting with the output shaft pointing downward is acceptable for short durations, but prolonged vertical operation causes oil to pool in the output bearing cavity, reducing cooling efficiency. Avoid mounting with the input flange facing downward, as this forces oil away from critical gear mesh areas. For non-standard mounting orientations, contact our engineering team for specific guidance.
When will I receive my order?
Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.
What is your return and warranty policy?
We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.
Why Buy from The Engineer Store
- Genuine Products: Sourced directly from authorized distributors with authentication
- Expert Team: Our technical team validates every product before listing
- Fast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse
- Pan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata
- Payment Options: COD, UPI, credit/debit cards, net banking, EMI available
- Technical Support: 24/7 expert guidance via email and WhatsApp
-
Buy Orange High Torque Planetary Gear PG56/63ZY125-40KG Online in India
Purchase the Orange High Torque Planetary Gear PG56/63ZY125-40KG online at The Engineer Store, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.
Our team in Bengaluru is available 24/7 to support your journey from product selection to project completion.