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Analysis of the safe range and abnormal causes of temperature rise in reducers.
When we discussing temperature rise, it's crucial to distinguish between two key concepts: temperature and temperature rise.Absolute temperature is the actual measured temperature of the reducer's housing or oil sump.while temperature rise is the dif...
Jan. 05. 2026 -
Thinking about installing a worm gearbox?
Based on what our team at Zhejiang Wuma Drive has learned on the job, here’s how to tackle it step by step. Before installation, please note the following: First, quickly inspect the packaging—make sure it has not been damaged during tran...
Jan. 04. 2026 -
Daily Inspection Process for the maintenance of gearboxes
1.Ocular Inspection Before any inspection, we need to conduct an external visual inspection of the reducer, which can help us quickly identify any problems with the reducer.(1)Check if there are any dents or cracks on the surface of gearboxes. (...
Jan. 04. 2026 -
Why is blackening treatment necessary for steel?
Steel rusting is a common phenomenon. While phosphating treatment is a widely used solution for rust prevention, there is actually a more convenient alternative: blackening treatment. Blackening treatment is the process of forming a dense oxide film ...
Jan. 04. 2026 -
What are the methods for gear lubrication?
Hi everyone, I’m Jenny from WUMA Drive.Gear lubrication is crucial for ensuring the reliable operation of reducer transmission systems. It reduces friction and wear, controls temperature rise, minimizes vibration and noise, extends service...
Jan. 04. 2026 -
Interpretation of motor nameplate parameters
Hello everyone, It's Bella again~ , ZHEJIANG WUMA DRIVE CO.,LTD.'s 30th Anniversary Tweets! This time, I'm bringing you an interpretation of motor nameplates. As we all know, gearboxes are most commonly connected to motors, so to properly match this ...
Jan. 04. 2026 -
Analysis of the causes of gearbox oil leakage and how to fix gearbox oil leakage
1. Causes of oil leakage in the speed reducer 1.1Pressure difference is generated inside and outside the reducer During the operation of the speed reducer, the friction of the moving parts generates heat and is affected by the ambient temperature, ca...
Jan. 03. 2026 -
Which chamfering method is most commonly used?
After investigation and research, the technical staff of Zhejiang Wuma Drive Co., Ltd. have identified the following three most commonly used chamfering methods: Chamfering is an essential process for ensuring gear quality. Depending on the gear's po...
Dec. 30. 2025 -
Five forms of mechanical transmission
Hello everyone, this is Bella from ZHEJIANG WUMA DRIVE CO.,LTD. This year marks WUMA's 30th anniversary, and we've launched a series of articles to share with you. Today, we'll be introducing mechanical transmission forms. 1.Gear TransmissionGear tr...
Dec. 30. 2025 -
Analysis of Gear Meshing Stiffness
Hello, I'm Jenny from WUMA in Zhejiang. Today, I'll talk about an important gear property: meshing stiffness.The gear shaft height (also known as the contact height or working height) is the radial distance between the edges of the two teeth of the g...
Dec. 27. 2025 -
How to design noise reduction for gear transmissions
Gear Types and Materials 1. Gear types From the perspective of smooth transmission and low noise, helical cylindrical gears have more teeth in contact simultaneously, resulting in a more stable change in overall meshing stiffness. Therefor...
Dec. 25. 2025 -
What causes gear overheating and wear in a gearbox?
After investigating this issue, the technicians at ZHEJIANG WUMA DRIVE CO.,LTD found four common causes: 1. Poor tooth surface roughness. Poor tooth surface roughness causes direct contact or collision between the high points of the gear teeth ...
Dec. 22. 2025
