Hydraulic Oil For General Gear Oil
Designated for the lubrication of various gear transmission apparatuses, gear oil comprises a blend of either petroleum lubricant base oil or synthetic lubricant, further augmented by specialized additives, particularly extreme pressure anti-wear agents and oil-wetting agents, aimed at optimizing its effectiveness in ensuring smooth and durable operation of gears.
Product Details：Hydraulic Oil For General Gear Oil
Gear oil, an exemplary lubricant, is primarily employed for lubricating gear transmission systems including transmissions and rear axles. Its multifaceted functionality encompasses lubricating gears and bearings to prevent wear and corrosion, facilitating heat dissipation from gears, mitigating tooth impacts and noise, and executing a cleansing action that eradicates contaminants and solid particles adhering to gear surfaces.
PARAMETER：
Sports Event | Quality Indicators | Test Methods | ||||||
Viscosity grade | 100 | 150 | 220 | 320 | 460 | 680 | ||
Kinematic viscosity (40°C) mm²/s) |
90-110 |
135-165 |
198-242 |
288-352 |
414-506 |
612-748 |
GB/T265 | |
Viscosity index | not less than |
90 |
90 |
90 |
90 |
85 |
85 | GB/T1995 |
Open flash point,℃ | not less than | 200 | 200 | 200 | 200 | 200 | 200 | GB/T3536 |
Pour point,°C | not exceeding |
-12 |
-9 |
-9 | -9 | -9 |
-5 | GB/T3535 |
Steel sheet corrosion(100°C,)(3 hours)/grade | not greater than |
1 |
GB/T5096 | |||||
Corrosion test(distilled water) | rust-free | GB/T11143 | ||||||
Foaminess (Foam propensity/foam stability) mL/mL 24°C 93.5°C Post 24°C |
not greater than not greater than not greater than |
50/0 50/0 50/0 |
GB/T12579 | |||||
Tim ken test(OK load) /N(Lb) | not less than |
267(60) |
GB/T11144 | |||||
Anti-emulsification (82℃)Water in oil /%(mass fraction), emulsion layer /ml,total separated water/ml |
not greater than |
2.0 1.0 80.0 |
GB/T8022 | |||||
Four-ball test Load wear index/ N Sintering load(P value)/N | not less than not less than |
441(45) 2450(250) |
GB/T3142 | |||||
CL-100 Gear Test (A/8.3/90) | not less than |
12 |
>12 |
>12 |
>12 |
>12 |
>12 | SH/T0305 |
1. Advantages
(1) Good oxidation resistance: With special oxidation stability improvement, the gear oil is able to maintain a long service life under high temperature environment. This helps to avoid the formation of gummy substances in the gears due to oil oxidation, thus keeping the transmission system clean and efficient.
(2) By reducing tooth wear and transmission losses, gear oils help to improve the overall power transfer efficiency of machinery, reducing energy consumption and operating costs. Gear oils are also characterized by good low-temperature fluidity, compatibility with sealing materials, and storage stability.
(3) The comprehensive performance advantages of gear oils can significantly extend the service life of gear drives, reduce the frequency of repair and replacement, and lower maintenance costs. Gear oil in the lubrication performance, anti-wear performance, cooling performance, oxidation resistance performance are excellent, is an important gear transmission device indispensable lubricants.
2. Utilization Scenarios
(1) Closed Gear Oil finds its niche in fully enclosed gearbox applications, where it excels in fulfilling the rigorous standards of extreme pressure wear resistance and oxidation resistance. It offers a versatile range tailored to varying load and temperature profiles, including CKB designed for oxidation and corrosion protection, CKC suited for mid-range industrial demands, and CKD geared towards the most demanding heavy-duty industrial environments.
(2) Open Gear Oil, on the other hand, is a specialist lubricant for low-speed, high-torque gear assemblies operating either without a gearbox or in semi-enclosed configurations. Its primary focus lies in ensuring robust adhesion and cohesion to promote effective lubrication and gear safeguarding under exposed conditions. Similarly, a range of open gear oils is available, differentiated by their load-bearing capabilities and temperature resilience, exemplified by CKH for general purposes, CKJ engineered for extreme pressures, and CKM tailored for the toughest heavy-duty tasks.
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