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How to choose servo motor for CNC machine tool?

SummarySetting conditions: moving part weight =G, friction coefficient =K(line rail is generally 0.001, hard rail is generally about 0.01), screw pitch =P, maximum moving speed =S, motor speed =V, motor torque =F
First, calculate the motor speed,V=S/P, which is very simple
Next, calculate the torque,F1=(G*K*P)/(2*Pai*N)+F2
N: Screw transmission efficiency, generally greater than 0.9, see what screw you are
F2: lead screw drive friction
Formula 1 is the torque required when unloaded
You then choose the appropriate acceleration, the cutting force of the turning, you can get
F=F1+GA+F3
F1: It's just been calculated,
A: The maximum acceleration the machine can obtain
F3: Cutting Force (estimated)
Motor power =F*V/9.55, generally not needed, when buying the motor said torque and maximum speed





 

How to choose servo motor for CNC machine tool?

SummarySetting conditions: moving part weight =G, friction coefficient =K(line rail is generally 0.001, hard rail is generally about 0.01), screw pitch =P, maximum moving speed =S, motor speed =V, motor torque =F
First, calculate the motor speed,V=S/P, which is very simple
Next, calculate the torque,F1=(G*K*P)/(2*Pai*N)+F2
N: Screw transmission efficiency, generally greater than 0.9, see what screw you are
F2: lead screw drive friction
Formula 1 is the torque required when unloaded
You then choose the appropriate acceleration, the cutting force of the turning, you can get
F=F1+GA+F3
F1: It's just been calculated,
A: The maximum acceleration the machine can obtain
F3: Cutting Force (estimated)
Motor power =F*V/9.55, generally not needed, when buying the motor said torque and maximum speed





 

Setting conditions: moving part weight =G, friction coefficient =K(line rail is generally 0.001, hard rail is generally about 0.01), screw pitch =P, maximum moving speed =S, motor speed =V, motor torque =F
First, calculate the motor speed,V=S/P, which is very simple
Next, calculate the torque,F1=(G*K*P)/(2*Pai*N)+F2
N: Screw transmission efficiency, generally greater than 0.9, see what screw you are
F2: lead screw drive friction
Formula 1 is the torque required when unloaded
You then choose the appropriate acceleration, the cutting force of the turning, you can get
F=F1+GA+F3
F1: It's just been calculated,
A: The maximum acceleration the machine can obtain
F3: Cutting Force (estimated)
Motor power =F*V/9.55, generally not needed, when buying the motor said torque and maximum speed

 

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