Delixi 28mm Spur Gear High Precision Planetary Gearbox for NEMA 11 Motor
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Product Highlights
- High Precision Performance: Backlash as low as 5 arc minutes for accurate positioning and control.
- High Efficiency Transmission: Single-stage efficiency reaches over 95% with up to 96% rated efficiency.
- Long Service Life: Average lifespan up to 20,000 hours with permanent lubrication.
- Compact and Lightweight Design: Small volume with body length from 33mm to 50mm and weight under 0.16kg.
- High Bearing Capacity: Radial load capacity up to 20,000N and max radial load of 100N.
- Low Noise Operation: Noise level maintained below 55dB for minimal vibration and quiet operation.
- Wide Speed Ratio Range: Single-stage ratios from 3-10, multi-stage combinations reach up to 200.
- IP54 Waterproof Protection: Dust and water resistant design suitable for marine and industrial environments.
Product Attributes
- Customization
- Available
- Application
- Motor, Machinery, Marine, Agricultural Machinery
- Function
- Change Drive Torque, Speed Changing, Speed Reduction, Agv, CNC Machine, Robot
- Model NO.
- HPR28-L1
- Layout
- Planetary Gear
- Hardness
- Hardened Tooth Surface
- Installation
- Vertical Type
- Step
- Single-Step
- Type
- Planetary Gear Box
- Nominal Input Speed
- 1000rpm
- Max Input Speed
- 2000rpm
- Reduction Ratio
- 04, 05, 07, 010
- Efficiency
- 96%
- Backlash Gap
- <=15 Arcmin
- Nominal Output Torque
- 2nm
- Gearbox Length
- 33mm
- Noise
- <=55dB
- Waterproof Rating
- IP54
- Lifetime
- 20000 Hours
- Ambient Temperature
- -20c...150c
- Installation Method
- Flange
- Transport Package
- Carton
- Specification
- 28mm
- Trademark
- DELIXI
- Origin
- China
- HS Code
- 8483402000
- Production Capacity
- 50000PCS/Month
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Delixi 28mm Spur Gear High Precision Planetary Gearbox for NEMA 11 Motor
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Product Description

A planetary gearbox is a gearbox with the same center of rotation for both input and output. This means that the center of the input gear rotates around the center of the output gear, and the input shaft and output shaft are aligned. The structure of the planetary gearbox reduces the transmission speed ratio while increasing the motor torque proportionally.
Planetary gearboxes are used in various occasions where efficiency and high reduction ratios are needed in a small space. With high precision and high torque volume ratio, they are very suitable for the following applications: increasing torque, reducing speed, accurately positioning and controlling reproducible machinery. In order to ensure that the selected planetary gearbox is most suitable for your application at hand, it is important to consider specifications including torque, backlash and ratio when selecting a planetary gearbox.
- High efficiency: The single-stage efficiency can reach over 95%
- High precision: generally less than 10 arc minutes, even up to 5 arc minutes
- Strong bearing capacity: radial load can reach over 20000N
- Compact structure and small volume: usually with an outer diameter size of tens to hundreds of millimeters
- Low noise and minimal vibration: The noise level during operation is usually below 65dB
- Wide speed ratio range: single-stage speed ratios range from 3-10, and multi-stage combinations can reach thousands
- High reliability and long lifespan: the service life can reach 20000 hours
| HPR28 Series High Precision Planetary Gearbox | ||||||||||||||||||||
| Stage | L1:1 | L2:2 | L3:3 | |||||||||||||||||
| Body Length | mm | 33 | 41.5 | 50 | ||||||||||||||||
| Ratio | / | 4 | 5 | 7 | 10 | 16 | 20 | 25 | 28 | 35 | 40 | 50 | 70 | 64 | 80 | 100 | 125 | 140 | 175 | 200 |
| Nominal Output Torque | Nm | 2 | 2 | 2 | 1 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Moment Permissible Torque | Nm | 2 times nominal output torque | ||||||||||||||||||
| Rated Input Speed | RPM | 1000 | ||||||||||||||||||
| Max Input Speed | RPM | 2000 | ||||||||||||||||||
| Max Radial Load | N | 100 | ||||||||||||||||||
| Max Axial Load | N | 50 | ||||||||||||||||||
| Efficiency | % | 96 | 94 | 90 | ||||||||||||||||
| Backlash | arcmin | ≤15 | ≤20 | ≤25 | ||||||||||||||||
| Protection Class | / | IP54 | ||||||||||||||||||
| Average Life Span | h | 20000 | ||||||||||||||||||
| Operating Temperature | °C | -20...+150 | ||||||||||||||||||
| Lubrication | / | Permanent lubrication | ||||||||||||||||||
| Noise | dB | ≤55 | ||||||||||||||||||
| Weight | kg | 0.096 | 0.13 | 0.16 | ||||||||||||||||









About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI243936". Items marked "" are certified.
Company Profile
DELIXI New Energy Technology is a company providing one-stop solutions and service for precision moulds and machine manufacturing. We focus on the field of precision manufacturing for more than 20 years, from mold development to finished product production, involving automotive, 3C sub, aviation, medical, new energy and other fields. For different industries in the equipment manufacturing enterprises, we provide high-precision mould, high-precision cutter, precision structural components, spare parts and other end-products and solutions. As an OEM&ODM high-precision manufacturer, we are equipped with advanced micron-level imported processing and testing equipment, including America Moore Coordinate Grinder, Germany Hammer five-axis machine, Zeiss spectrum, etc. We are ISO9001/ISO14001/TS16949 certified and we have an accurate quality control with advanced testing and inspection equipment at all stages from incoming material to process to shipment.
We have a sufficient productivity with more than 14000m² Of production space, several imported five-axis equipment and high-precision grinding machines. With a professional team, we are able to offer constructive suggestions for the projects of our customers. We also have a comprehensive service center in France, which can quickly respond to the needs of overseas customers, provide global customers with efficient and intelligent precision products and solutions.
Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Room 401-402, 4th Floor, Building 3, No. 8 Zhuantang Science and Technology Economic Block, Zhuantang Street, Xihu District, Hangzhou City, Zhejiang Province
-
Plant Area
- 180 square meters
-
Number of Employees
- 15
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Ningbo Port, Shanghai Port
-
Minimum Order Quantity
- 1 Set
-
Supply Chain Partners
- 50
Our Production Capability & Technical Expertise
-
Main Products
- Precision Molds & Parts, Auto Parts, Electronics Parts, Medical Parts, Structure Parts, New Energy Products
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2024-03-01
-
Export Year
- 1 Year
-
Main Markets
- North America, Asia
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 8
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the maximum input speed?
- The gearbox supports a maximum input speed of 2000 RPM.
- What is the efficiency of the gearbox?
- The single-stage efficiency can reach over 95%, with a rated efficiency of 96%.
- What is the backlash gap?
- The backlash gap is typically less than or equal to 15 arc minutes.
- What is the service life of the gearbox?
- The average life span is 20,000 hours with permanent lubrication.
- Is OEM and ODM service available?
- Yes, both OEM and ODM services are available with options for full and minor customization.
- What is the minimum order quantity?
- The minimum order quantity is 1 set.
- What are the available reduction ratios?
- Available ratios include 4, 5, 7, 10, 16, 20, 25, 28, 35, 40, 50, 70, 64, 80, 100, 125, 140, 175, and 200.
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