CAUTIONWARNINGEM-4020EM-4020AEM-4040EM-4040AOPERATION MANUALBrushless MotorThank you for purchasing the EM-4020EM-4020AEM-4040EM-4040ABrushless Motor. The CONTROLLER>, , and are required to drive this brushless motor.Readthese Operation Manual carefully before use. Also read ,,and Operation Manuals. Always keep this Operation Manual in a place where a user can referred to forreference at any time.1. CAUTIONS FOR HANDLING AND OPERATIONRead these warnings and cautions carefully and only use in the manner intended.These warnings and cautions are intended to avoid potential hazards that could result in personal injury to theoperator or damage to the device. These are classified as follows in accordance with the seriousness of the risk.ClassDegree of RiskWARNINGA safety hazard could result in bodily injury or damage to the device ifthe safety instructions are not properly followed.CAUTIONA hazard that could result in light or moderate bodily injury or damageto the device if the safety instructions are not followedThis brushless motor is not a hand tool. It is designed to be used on CNC machines or specialpurpose machines.Do not touch the cutting tool while it is running. It is very dangerous.Wear safety glasses, dust mask and use a protective cover around the spindle whenever thespindle is rotating.Never connect, disconnect or touch the Connector and Motor Cord Plug with wet hands. Thismay cause an electric shock.Never operate or handle the brushless motor until you have thoroughly read the OperationManuals and safe operation has been confirmed.1) To prevent injuries / damages, check the spindle and cutting tool for proper installation,before operating the brushless motor.2) Before disconnecting the brushless motor, always turn the control power off and turn thecompressed air supply to the CONTROLLER off. Then it is safe to remove the brushlessmotor.When installing a brushless motor to a fixed base, make sure the fixed base is grounded inorder to avoid the risk of an electric shock.Do not drop or hit this brushless motor, as shock can damage to the internal components.Select suitable products or tools for all applications. Do not exceed the capabilities of thespindle or tools.Carefully direct coolant spray to the tool. Do not spray directly on the brushless motor body.Stop working immediately when abnormal rotation or unusual vibration are observed.Afterwards, please check the content of section 7 "TROUBLESHOOTING".After installation, repair, initial operation, or long periods of non operation, please carry outbreak -in as follow. Start rotating slowly and over a short period of time, increase speedgradually until allowable maximum speed.Do not disassemble, modify or attempt to repair this brushless motor. Additional damagewill occur to the internal components. Service must be performed by NSK NAKANISHI or anauthorized service center.When using this brushless motor for mass production, please purchase the another brushlessmotor as a spare in case of an emergency.2. FEATURESThe Brushless Motor housing is made from precision ground, hardened, stainless steel (SUS) with an outsidediameter ofȭ40 mm.Excellent durability and high reliability are obtained by using a high-speed brushless motor, which eliminatesthe need for brush replacement and frequent maintenance.The maximum output is 1200W.A quick disconnect cord is available for easy brushless motor removal.Air-cooling system with a small volume of air (100/ min) is used to prevent heat buildup and allows longcontinuous operation.OM-K0644E3. SPECIFICATIONS AND DIMENSIONS3 - 1 SpecificationsStandard AccessoriesWrench (36mm)1pc.Operation Manual1set.3 - 2 Outside ViewFig. 13 - 3 Torque CharacteristicsModelEM-4020EM-4020AEM-4040EM-4040AMaximum Rotation Speed20,000min-140,000min-1Max. Output1,200WWeight1,300g1,800g1,300g1,800g*Note1 :Motor Cord is sold separately. Please select the suitable motor cord length for your application.Motor Cord*Note1EMCD-4000-M(Power Line)Cord Length : 2m, 4m, 6m, 8m(The Air Hose (ȭ6mm) of the same length is attached.)EMCD-4000S-M(Signal Line)Cord Length : 2m, 4m, 6m, 8m(The Air Hose (ȭ6mm) of the same length is attached.)These Motor Cords arenever to be usd for AngleType Brushless Motors .8 Meter Cords cannot be used on "A"Type (90-Degree) Motors.Fig. 2EM-4020EM-4040EM-4020AEM-4040AFig. 3Fig. 4EM-4020EM-4020AEM-4040EM-4040ACAUTIONȭ400-0.01300172.814.4ȭ400-0.012,00014.4195.20510152014001200100080060040020001009080706050403020100Continuous Duty AreaSpeed (103min-1)Output (W)Torque (cNm)OutputTorque051015202530354014001200100080060040020001009080706050403020100Speed (103min-1)Output (W)Torque (cNm)Continuous Duty AreaOutputTorqueAll manuals and user guides at all-guides.comall-guides.com