What kind of hydraulic oil to use in summer: hot topics and purchasing guide on the Internet
With the arrival of hot weather in summer, the stable operation of hydraulic systems has become the focus of many industries. Hydraulic oil is the "blood" of the hydraulic system, and its performance is directly affected by temperature. This article will combine hot discussions and industry data across the Internet in the past 10 days to analyze the key points for selecting hydraulic oil in summer and provide structured data reference.
1. Core indicators for selecting hydraulic oil in summer
In high-temperature environments, hydraulic oil needs to focus on the following properties:
| indicator | summer requirements | Test standards |
|---|---|---|
| Viscosity index | >100 | ASTM D2270 |
| flash point | >200℃ | ASTM D92 |
| Oxidation stability | >1000 hours | ASTM D943 |
| Anti-foaming property | Foaming tendency ≤50ml | ASTM D892 |
2. Recommendations for popular hydraulic oil models in the summer of 2023
According to data from e-commerce platforms and industry forums, the recent search volume of the following models has increased by more than 40% month-on-month:
| brand | Model | Applicable temperature range | price range |
|---|---|---|---|
| Shell | Tellus S4 MX 46 | -15℃~80℃ | ¥120-150/L |
| Mobil | DTE 10 Excel 46 | -20℃~85℃ | ¥130-160/L |
| Great Wall | L-HM 46 | -10℃~75℃ | ¥80-100/L |
| Kunlun | Tianhong HM 68 | -15℃~90℃ | ¥90-110/L |
3. Three major issues that are hotly discussed on the Internet
1.Viscosity selection controversy: In the battle between No. 46 and No. 68 oil, search volume for No. 68 oil increased by 35% year-on-year.
2.Synthetic oil popularity trend: Discussion volume on synthetic hydraulic oil accounts for 42% of the total topics
3.Shortened oil change intervals: High temperatures lead to an increase in the frequency of oil changes, and related questions and answers increased by 55%
4. Precautions for using hydraulic oil in summer
1.Regular testing: It is recommended to check the acid value and moisture content every 250 working hours
2.Fuel tank cleaning: Microorganisms breed quickly in summer, so maintenance of the filtration system needs to be strengthened.
3.Temperature difference control: Avoid long-term exposure of the equipment to the sun. It is recommended to keep the oil temperature at 40-60℃
4.Mixing taboos: Mixing different brands of hydraulic oil is easy to produce sedimentation, and the failure rate increases by 70%.
5. Suggestions from industry experts
The latest data from the China Hydraulic and Pneumatic Seals Industry Association show:
• Using summer special hydraulic oil can reduce the failure rate by 28%
• Correct oil selection can extend pump and valve life by more than 40%
• For every 10°C increase in oil temperature, the oil oxidation rate doubles
6. User feedback on real cases
| Device type | Original oil | Use oil instead | temperature drop |
|---|---|---|---|
| Injection molding machine | Ordinary HM46 | Synthetic HV46 | 8-12℃ |
| excavator | Mineral oil 68# | Semi-synthetic 68# | 5-7℃ |
| Die casting machine | HM46 | High temperature resistant HM46 | 10-15℃ |
7. Purchase decision flow chart
1. Determine the equipment manufacturer’s recommended viscosity grade
2. Query the local average ambient temperature in summer
3. Evaluate equipment working intensity (continuous/intermittent)
4. Select the corresponding high viscosity index oil
5. Prioritize synthetic/semi-synthetic formulas
Conclusion: The selection of hydraulic oil in summer requires comprehensive consideration of three major factors: ambient temperature, equipment operating conditions and oil performance. Through the structured data and hot topic analysis provided in this article, we hope to help you choose the most suitable "blood" for your equipment in the hot summer and ensure the stable and efficient operation of the production system.
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