Worm Reducer-Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer-with Torque Arm Double/Triple Reduction 872
Product Introduction
The Worm Reducer - Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer - with Torque Arm Double/Triple Reduction 872 is a high-powered gear unit designed for efficient and energy-saving right-angle drive applications. It offers multiple installation options and can accept standard IEC motors without the need for modifications. With modern design technology and high-quality components, the C series helical worm gear reducer surpasses any other gearbox in terms of cost efficiency per Nm. The C series right-angle gearboxes provide a highly compact solution that meets most requirements. Our company offers a replacement for the Fenner brand helical worm gearbox, which is of superior quality and available at a competitive price. It is important to note that our products are replacement parts, not original equipment. For the purchase of original equipment, please contact the original manufacturer.

Product Features
- Transmission ratio ranging from 8:1 to 16,000:1, with a maximum torque of 10,000Nm.
- Available in 8 specifications with bore sizes ranging from 20mm to 90mm.
- Highly efficient and energy-saving right-angle drive unit with cost-effective gear transmission.
- Interchangeable in size with products from other manufacturers.
- Innovative motor adapter utilizing standard IEC interface.
- Oil-sealed reducer prevents oil leakage during motor disassembly.
- Multiple installation options including base, flange, or shaft mounting.

Product Structure
The Worm Reducer - Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer - with Torque Arm Double/Triple Reduction 872 consists of the following components:
- Worm gear unit
- Worm shaft
- Worm wheel
- Housing
- Output shaft

Applications
The Worm Reducer - Replacement of Fenner Series C Helical Worm Gearbox Shaft Mounted Reducer - with Torque Arm Double/Triple Reduction 872 is suitable for various applications, including:
- Conveyor systems
- Mixers and agitators
- Packaging equipment
- Material handling systems
- Food processing machinery
- Industrial automation
- Mining and mineral processing
- Power generation

Installation
The performance of the worm reducer depends on proper installation, lubrication, and maintenance. Please follow the guidelines below for different mounting methods:
Shaft Mounting
Ensure that the shaft and gear unit bore for the mounting of the gear unit are clean and free of burrs. Apply a sufficient amount of lubricating oil on the shaft and bore to facilitate assembly and prevent friction corrosion. Slide the device onto the driven shaft and secure it with a key.
Foot Mounting
Mount the equipment securely on a sturdy structure. Install the output extended shaft if required. The connection between the shafts should use an elastic coupling, and ensure that the shaft deviation is within the allowable range of the coupling. When installing pulleys or sprockets on both shafts, place them as close to the gearbox as possible. Do not strike the shafts when installing or removing drive components to avoid damaging the bearings.
Lubrication and Maintenance
Proper lubrication and maintenance are crucial for the performance of the worm reducer. Follow the guidelines below:
Oil Change
The size 870 and 871 gearboxes are lubricated for life, except for cases where they operate in explosive environments. All other sizes of gearboxes require oil change based on the operating temperature of the equipment. Half of the oil should be replaced after 1000 hours of operation, one year, or the specified service life for new gearboxes.

Potential Issues and Solutions
| Issue | Cause | Solution |
|---|---|---|
| 1 | Excessive noise during operation | Check for loose fasteners and worn gears. Tighten or replace as needed. |
| 2 | Overheating | Check for improper lubrication or excessive load. Adjust the lubrication or reduce the load accordingly. |
| 3 | Leakage of lubricating oil | Inspect seals and gaskets for damage. Replace if necessary. |
| 4 | Abnormal vibration | Check for misalignment or damaged bearings. Correct alignment or replace bearings as required. |
| 5 | Reduced efficiency | Inspect for worn gears or improper lubrication. Replace gears or adjust lubrication as needed. |
| 6 | Failure to engage or disengage | Check for mechanical obstructions or damaged engagement components. Clear obstructions or replace damaged parts. |
| 7 | Excessive backlash | Inspect gears for wear or misalignment. Replace gears or realign as necessary. |
| 8 | Insufficient lubrication | Check oil level and flow. Adjust or replace lubrication system components. |
| 9 | Shaft misalignment | Inspect couplings and connections. Correct misalignment or replace damaged components. |
| 10 | Excessive wear | Check for contamination or insufficient lubrication. Clean or adjust lubrication as required. |
Fenner Helical Worm Gearbox Replacement
Our company specializes in providing replacements for Fenner brand helical worm gearboxes. The advantages of our replacement products are as follows:
- Superior quality
- Competitive price
- Direct replacement parts, not original equipment
- Customization available upon request
Additional information
| Edited by | Zqq |
|---|
Product Quick Detail:
- Standard and non-standard available
- With high quality and competitive price
- Prompt delivery
- Packing as per customer’s demand.
We promise will offer the best price by the high quality in china! We also accept special order about the products. If you are interested in our products. Please do not hesitate to let us know.We are pleased to give you the detailed information.We promise that our products would be safety and were in high quality and reasonable price. If you are interested in our products, please contact us asap.We are sincerely looking for your cooperation.
Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

Materials Available
1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
Surface Treatment
Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.
Processing Method
CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
QC & Certificate
Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009
Package & Lead Time
Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port





