why hydraulic oil temperature raise up within too fast speed?

　　If there are some strange substances and impurities has block the oil return core or the oil return valve structure is abnormal, professional famous brands ESCO bucket tooth pin production and design manufacturer said the oil return resistance force of hydraulic oil return circuit would become larger under these special conditions, so professional famous brands ESCO bucket tooth pin production supplier said the actual hydraulic oil temperature would be enlarged within the strange and abnormal speed.

　　Professional famous brands ESCO bucket tooth pin production and design manufacturer said due to the hydraulic oil tank is lack of hydraulic oil, so the inner hydraulic oil level would become lower and lead to the faster hydraulic oil circulation speed, but also makes the higher hydraulic oil temperature.

　　Professional famous brands ESCO bucket tooth pin production and design supplier said the last reason is because of the inner leakage problem of main control valve but causes the higher hydraulic oil temperature.