Kgg Smooth Motion Recirculating Planetary Roller Screw for Medical Imaging Systems (RSC Series)
Product Details
| Customization: | Available |
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| Flange: | With Flange |
| Nut Number: | Single |
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Basic Info.
- Nut Type
- End Cap Type / Elbow Type / Circulator Type
- Precision
- C0, 1, 2, 3, 5, 7, 10
- Rows Number
- 3-Row
- Screw Diameter
- 18.32mm
- Type
- Roller Cyclic/Non-Cyclic
- Number of Threads
- 6
- Shaft Dia.
- 25mm
- Lead
- 2mm
- External Diameter
- 18.32mm
- Thread Bottom Diameter
- 17.56mm
- Dynamic Load Capacity
- 30kN
- Static Load Capacity
- 63.8kN
- Anti-Rust Treatment
- Anti-Rust Oil
- Transport Package
- PVC Bag, Wooden Box, Full Container Export
- Specification
- Cold Rolled/Grinding
- Trademark
- KGG
- Origin
- Shanghai
- HS Code
- 8483401000
- Production Capacity
- 15000
Packaging & Delivery
- Package Size
- 31.00cm * 20.00cm * 11.00cm
- Package Gross Weight
- 2.500kg
Product Description
Product Description
KGG High Quality Recirculation Planetary Roller Screw - RSC Series
Our Recirculation Planetary Roller Screw - RSC Series delivers high-precision linear motion for demanding applications in aerospace, industrial robotics, and high-performance automation, etc. Our advanced recirculation design provides superior load capacity, exceptional positioning accuracy, and excellent energy efficiency. Built for longevity, it ensures reliable performance in high-load, high-speed, and harsh operational environments.
Specification
Advantages
Load Capacity Life
The RSC Series Recirculation Planetary Roller Screw is designed to deliver significantly higher dynamic and static load ratings compared to conventional ball screws. By employing threaded rollers that recirculate within the nut assembly, the load is distributed across multiple continuous contact lines rather than discrete points. This design drastically reduces stress concentration and greatly enhances impact resistance. According to Hertzian contact mechanics, the RSC series can withstand static loads up to three times greater than equivalent ball screws and offers approximately 1.5 times the operational service life, making it exceptionally reliable for heavy-duty and high-cycle applications.
Speed and Acceleration
RSC Recirculation Planetary Roller Screws excel in high-speed and high-acceleration environments. The recirculating roller mechanism allows for smooth and continuous motion, supporting rotational speeds often exceeding 3,000 rpm and accelerations of up to 3g. Unlike ball screws, whose lead is constrained by ball diameter and recirculation geometry, the RSC series provides highly flexible lead design—allowing leads as fine as 0.5mm or smaller, as well as customized fractional or integer values. This enables precise motion control without the need for external reduction gearing, simplifying system design and improving dynamic response.
The RSC Series Recirculation Planetary Roller Screw is designed to deliver significantly higher dynamic and static load ratings compared to conventional ball screws. By employing threaded rollers that recirculate within the nut assembly, the load is distributed across multiple continuous contact lines rather than discrete points. This design drastically reduces stress concentration and greatly enhances impact resistance. According to Hertzian contact mechanics, the RSC series can withstand static loads up to three times greater than equivalent ball screws and offers approximately 1.5 times the operational service life, making it exceptionally reliable for heavy-duty and high-cycle applications.
Speed and Acceleration
RSC Recirculation Planetary Roller Screws excel in high-speed and high-acceleration environments. The recirculating roller mechanism allows for smooth and continuous motion, supporting rotational speeds often exceeding 3,000 rpm and accelerations of up to 3g. Unlike ball screws, whose lead is constrained by ball diameter and recirculation geometry, the RSC series provides highly flexible lead design—allowing leads as fine as 0.5mm or smaller, as well as customized fractional or integer values. This enables precise motion control without the need for external reduction gearing, simplifying system design and improving dynamic response.
Stiffness and Strength
With numerous parallel contact lines between the rollers and the screw thread, the RSC series achieves outstanding axial and torsional stiffness. This multi-line engagement significantly enhances structural rigidity, reduces elastic deformation under load, and provides excellent resistance to shock and vibration.
Application
The RSC Series is widely used in demanding industries that require high load capacity, precision, and durability. Key applications include CNC machining centers, industrial robotics, aerospace actuators (flight control surfaces, landing gear systems), defense equipment (turret drives, missile launchers, naval steering systems), and heavy-duty automation. It is also employed in precision injection molding machines, servo presses, medical imaging devices, optical positioning systems, semiconductor manufacturing equipment, and electric servo cylinders where reliability, high stiffness, and long service life are critical.
Application
The RSC Series is widely used in demanding industries that require high load capacity, precision, and durability. Key applications include CNC machining centers, industrial robotics, aerospace actuators (flight control surfaces, landing gear systems), defense equipment (turret drives, missile launchers, naval steering systems), and heavy-duty automation. It is also employed in precision injection molding machines, servo presses, medical imaging devices, optical positioning systems, semiconductor manufacturing equipment, and electric servo cylinders where reliability, high stiffness, and long service life are critical.
Drawings & Dimensions
Detailed CAD drawings and dimensional diagrams are available for download here or upon inquiry.
Our engineering team can provide tailored designs to meet specific project requirements.
Our engineering team can provide tailored designs to meet specific project requirements.
Factory Detailed Processing Photos
Finished Product Photos
Company Profile
Shanghai KGG Robots Co., Ltd.
Shanghai KGG Robotos Co., Ltd. is a leading Chinese manufacturer of construction equipment with over 16 years of expertise. Certified with ISO 9001, ISO 14001, and IATF 16949, we export to 30+ countries, offering reliable machinery backed by R&D innovation and strict quality control.
Why Choose Us?
Our Main Products
Self-branded
OEM/ODM capabilities
High repeat buyers choice
Customization from designs
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
OEM/ODM capabilities
High repeat buyers choice
Customization from designs
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
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Certifications
FAQ
Q: Why choose KGG China?
A: Over the past 17 years, KGG has always insisted that "products and services" start from Japanese industry standards, taking Taiwan standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of "exceeding customer expectations", establish a "trusted" partnership.
Q: What is your main products?
A: We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand "KGG" stands for " Know-how," " Great Quality," and " Good value" and our factory is located in the most advanced city in China: Shanghai with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.
Q: How to Custom-made (OEM/ODM)?
A: If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
Q: When can I get the quotation?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
Q: How can I get a sample to check the quality?
A: After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.
Q: What's your payment terms?
A: Our payment terms is 30% deposit,balance 70% before shipment.
A: Over the past 17 years, KGG has always insisted that "products and services" start from Japanese industry standards, taking Taiwan standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of "exceeding customer expectations", establish a "trusted" partnership.
Q: What is your main products?
A: We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways. Our brand "KGG" stands for " Know-how," " Great Quality," and " Good value" and our factory is located in the most advanced city in China: Shanghai with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world.
Q: How to Custom-made (OEM/ODM)?
A: If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
Q: When can I get the quotation?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
Q: How can I get a sample to check the quality?
A: After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file.
Q: What's your payment terms?
A: Our payment terms is 30% deposit,balance 70% before shipment.
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