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99 Compared with the Electric Energy Consumption and the Oil Temperature Change by the existing hydraulic unit(variable displacement pump) which is installed with the accumulator and invertor control type hydraulic unit.Panoramic View of Large Scale NC LatheDynaclean (for sealing up the hydraulic tank)AccumulatorInvertor Control Hydraulic UnitHydraulic Unit with AccumulatorAccumulator TypeThe Annual Electric Energy Consumption191.1kWh1,649.1kWhThe Annual CO2 Exhaust Amount106.0kg-CO2915.3kg-CO2Invertor Control TypeEnergy Saving TypeON-OFF Control (Intermittent Control)Controls the rotational speedThe Annual Electric ExpenseJPY 3,060 -JPY 26,390-*Calculated by 10 hours, 250 days operation, 1kWh = JPY16, 0.555kg-CO2/kWh.The Annual CO2 Reduction Amount is 809.3kg-CO2!The Hydraulic unit you are using: ・Isn't the oil tank heated? ・Don't you waste the hydraulic energy during standby of the unit, do you?Remodeling Example: NC Lathe73% Reduced for the Electric Energy Consumption of Hydraulic Unit!Remodeling Example: Large Scale NC Lathe61% Reduced for the Electric Energy Consumption of Hydraulic Unit!Hydraulic Unit with AccumulatorHydraulic Unit with AccumulatorLarge Scale NC Lathe Remodeling Example for Energy Saving1. NACOL remodeled the hydraulic unit of Machine Tool (Large Scale NC Lathe) in the factory.2. Comparison DataEnergy Saving of Hydraulic Unit in the factory by the Accumulator!!

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