hydraulic-calculator v1.1.0

Hydraulic Calculator

This library performs basic hydraulic (fluid power) calculations.

Installation

npm install hydraulic-calculator

Usage

const hydcalc = require('hydraulic-calculator')

Pump Flow

Calculate the output flow for a pump. Answer in lpm or gpm

hydcalc.pumpFlow(options);

options

• displacement: Displacement of pump in cc/rev or in3/rev
• speed: Speed of pump in RPM
• unitType: Metric or imperial
• round: Round answer to nearest decimal default 2

• efficiency: Efficiency of pump default 1

  Example:

  hydcalc.pumpFlow({
        displacement: 20,
        speed: 1500,
        unitType: "metric",
        round: 1,
        efficiency: .95
  })
  // Will return
  Object {
    result: "28.5"
  }

Pump Displacement

Calculate the displacement of a pump

hydcalc.pumpDisplacement(options);

options

• flow: Flow in lpm or gpm
• speed: Speed of pump in RPM
• unitType: Metric or imperial
• round: Round answer to nearest decimal default 2

• efficiency: Efficiency of pump default 1

  Example:

  hydcalc.pumpDisplacement({
        flow: 40,
        speed: 1500,
        unitType: "metric",
        round: 3
  })
  // Will return
  Object {
    result: "26.667"
  }

Pump Pressure

Calculate the output pressure of a pump

hydcalc.pumpPressure(options);

options

• flow: Flow in lpm or gpm
• power: Power of prime mover in kW or hp
• unitType: Metric or imperial
• round: Round answer to nearest decimal default 2

• efficiency: Efficiency of pump default 1

  Example:

  hydcalc.pumpPressure({
        flow: 25,
        power: 10,
        unitType: "metric",
        round: 2,
        efficiency: .85
  })
  // Will return
  Object {
    result: "204.00"
  }

Input Power

Calculate the input power for a pump. Answer in kW or hp

hydcalc.inputPower(options);

options

• flow: Flow in lpm or gpm
• pressure: Pressure in bar or psi
• unitType: Metric or imperial
• round: Round answer to nearest decimal default 2

• efficiency: Efficiency of pump default 1

  Example:

  hydcalc.inputPower({
        flow: 20,
        pressure: 185,
        unitType: "metric",
        round: 1
  })
  // Will return
  Object {
    result: "6.2"
  }

Motor Torque

Calculate the shaft torque of a hydraulic motor. Answer in Nm or lb-in

hydcalc.motorTorque(options);

options

• displacement: Displacement of motor
• pressure: Pressure in bar or psi
• unitType: Metric or imperial
• round: Round answer to nearest decimal default 2

• efficiency: Efficiency of motor default 1

  Example:

  hydcalc.motorTorque({
        displacement: 180,
        pressure: 185,
        unitType: "metric",
        round: 1
  })
  // Will return
  Object {
    result: "530.3"
  }

Motor Speed

Calculate the shaft speed of a hydraulic motor. Answer in RPM

hydcalc.motorSpeed(options);

options

• flow: Flow in lpm or gpm
• displacement: Displacement of motor
• unitType: Metric or imperial
• round: Round answer to nearest decimal default 2

• efficiency: Efficiency of motor default 1

  Example:

  hydcalc.motorSpeed({
        flow: 45,
        displacement: 185,
        unitType: "metric",
        round: 1
  })
  // Will return
  Object {
    result: "243.2"
  }

Motor Displacement

Calculate the displacement of a hydraulic motor. Answer in cc/rev or in3/rev

hydcalc.motorDisplacement(options);

options

• flow: Flow in lpm or gpm
• speed: Speed in RPM
• unitType: Metric or imperial
• round: Round answer to nearest decimal default 2

• efficiency: Efficiency of motor default 1

  Example:

  hydcalc.motorDisplacement({
        flow: 15,
        speed: 200,
        unitType: "metric"
  })
  // Will return
  Object {
    result: "75.00"
  }

Motor Power

Calculate the output power of a hydraulic motor. Answer in kW or hp

hydcalc.motorPower(options);

options

• torque: Torque of hydraulic motor in Nm or lb-in
• speed: Speed of hydraulic motor in RPM
• unitType: Metric or imperial
• round: Round answer to nearest decimal default 2

• efficiency: Efficiency of motor default 1

  Example:

  hydcalc.motorPower({
        torque: 200,
        speed: 200,
        unitType: "metric"
  })
  // Will return
  Object {
    result: "4.19"
  }

Cylinder Extend Speed

Calculate speed of an extending cylinder. Answer in mm/sec or in/sec

hydcalc.cylExtendSpeed(options);

options

• flow: Flow in lpm or gpm
• bore: Diameter of bore in mm or in
• unitType: Metric or imperial

• round: Round answer to nearest decimal default 2

  Example:

  hydcalc.cylExtendSpeed({
        flow: 10,
        bore: 5,
        unitType: "imperial"
  })
  // Will return
  Object {
    result: "1.96"
  }

Cylinder Retract Speed

Calculate speed of a retracting cylinder. Answer in mm/sec or in/sec

hydcalc.cylRetractSpeed(options);

options

• flow: Flow in lpm or gpm
• bore: Diameter of bore in mm or in
• rod: Diameter of rod in mm or in
• unitType: Metric or imperial

• round: Round answer to nearest decimal default 2

  Example:

  hydcalc.cylRetractSpeed({
        flow: 10,
        bore: 5,
        rod: 1,
        unitType: "metric"
  })
  // Will return
  Object {
    result: "8841.95"
  }

Cylinder Extend Force

Calculate the force of an extending cylinder. Answer in N or lbf

hydcalc.cylExtendForce(options);

options

• pressure: Pressure in bar or psi
• bore: Diameter of bore in mm or in
• unitType: Metric or imperial

• round: Round answer to nearest decimal default 2

  Example:

  hydcalc.cylExtendForce({
        pressure: 10,
        bore: 50,
        unitType: "metric"
  })
  // Will return
  Object {
    result: "1963.49"
  }

Cylinder Retract Force

Calculate the force of a retracting cylinder. Answer in N or lbf

hydcalc.cylRetractForce(options);

options

• pressure: Pressure in bar or psi
• bore: Diameter of bore in mm or in
• rod: Diameter of rod in mm or in
• unitType: Metric or imperial

• round: Round answer to nearest decimal default 2

  Example:

  hydcalc.cylRetractForce({
        pressure: 1000,
        bore: 5,
        rod: 1,
        unitType: "imperial"
  })
  // Will return
  Object {
    result: "18849.50"
  }