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Nema 34 500W 48V 3000rpm Brushless DC Gear Motor For CNC Routers

CHANGZHOU JKONGMOTOR CO.,LTD

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Nema 34 500W 48V 3000rpm Brushless DC Gear Motor For CNC Routers

Country/Region china
City & Province changzhou jiangsu
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Product Details

 

NEMA34 Brushless Dc motor 48v 3000rpm 500W With Planetary Gearbox Ratio 4:1 - 100:1


 

1. Application

Our products are widely used in 3d printers, CNC routers, Engraving Machines, stage lighting control, security surveillance, video equipment, laserworkstation, carving machine, office automation, smart toy, digital controlled machinery and medical instrument and other automatic equipment.


 

2. Electrical Specification

 

86mm brushless dc motor:

  Model FL86BLS71-48V-30220B-3
SpecificationUnitJK86BLS58JK86BLS71JK86BLS84JK86BLS98JK86BLS125
Number Of PhasePhase3
Number Of PolesPoles8
Rated VoltageVDC48
Rated SpeedRpm3000
Rated TorqueN.m0.350.71.051.42.1
Rated CurrentAmps36.3911.518
Rated PowerW110220330440660
Peak TorqueN.m1.052.13.154.26.3
Peak CurrentAmps919273554
Back E.M.FV/Krpm13.71313.513.713.5
Torque ConstantN.m/A0.130.120.130.130.13
Rotor Inertiag.c400800120016002400
Body Lengthmm7184.598111.5138.5
WeightKg1.51.92.32.74
SensorHoneywell
Insulation ClassB
Degree of ProtectionIP30
Storage Temperature-25~+70℃
Operating Temperature-15~+50℃
Working Humidity≤85% RH
Working EnvironmentOutdoor (No Direct Sunlight), No Corrosive Gas, No Flammable Gas, No Oil Mist, No Dust
Altitude1000m or less

 

 

3. Gearbox Electrical Specification:

 

 Reduction ratio45101620254050100
 Number of geartrains13
 Transmission efficiency91%82%
 Rated torque50 N.m80 N.m
 Max rated torque100 N.m160 N.m
 L2 length(mm)7590

 

 

Advantages of BLDC Motors

  • A BLDC motor with three coils on the stator will have six electrical wires (two to each coil) extending from these coils. In most implementations three of these wires will be connected internally, with the three remaining wires extending from the motor body (in contrast to the two wires extending from the brushed motor described earlier). Wiring in the BLDC motor case is more complicated than simply connecting the power cell’s positive and negative terminals; we will look more closely at how these motors work in the second session of this series. Below, we conclude by looking at the advantages of by BLDC motors.
  • One big advantage is efficiency, as these motors can control continuously at maximum rotational force (torque). Brushed motors, in contrast, reach maximum torque at only certain points in the rotation. For a brushed motor to deliver the same torque as a brushless model, it would need to use larger magnets. This is why even small BLDC motors can deliver considerable power.
  • The second big advantage—related to the first—is controllability. BLDC motors can be controlled, using feedback mechanisms, to delivery precisely the desired torque and rotation speed. Precision control in turn reduces energy consumption and heat generation, and—in cases where motors are battery powered—lengthens the battery life.
  • BLDC motors also offer high durability and low electric noise generation, thanks to the lack of brushes. With brushed motors, the brushes and commutator wear down as a result of continuous moving contact, and also produce sparks where contact is made. Electrical noise, in particular, is the result of the strong sparks that tend to occur at the areas where the brushes pass over the gaps in the commutator. This is why BLDC motors are often considered preferable in applications where it is important to avoid electrical noise.

 

The main parameters to be referenced in the selection of brushless DC motor are as follows:

  • Maximum torque: this can be obtained by adding the load torque, moment of inertia and friction. In addition, additional factors such as air gap air resistance influence the maximum torque.
  • Square modulus torque: can be approximately considered as the continuous output torque required for practical application, determined by many factors: maximum torque, load torque, moment of inertia, acceleration, deceleration, and running time, etc.
  • Speed: this is the required speed, which can be determined according to the speed trapezoidal curve of the motor, usually 10% margin should be left in the calculation.

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