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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 -
WKM Hypoid Gear Reducer-Upgraded Version of the RV Series Worm Gear Reducer
Now the WKM series hypoid gear reducer—they call it an upgraded version of the RV, and honestly, it’s carved out a niche in the industrial world with its efficient, compact design. But what makes it an upgrade, exactly? Let’s break ...
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 -
Causes of Gearbox Noise and Suggested Solutions
Traditionally, the three main factors for evaluating gear reducer performance are load capacity, fatigue life, and operational accuracy, often neglecting transmission noise. With the successive promulgation of ISO 14000 and ISO 18000 standards, the i...
Dec. 27. 2025 -
How to Paint a gearbox
Does your reducer look worn and discolored? If the appearance of the reducer is left to deteriorate, over time, rust, dust and dirt will accumulate more and more. In this guide, we will step by step show you how to correctly paint the reducer to keep...
Dec. 27. 2025