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Calcimator

Robot Payload Calculator

Calculate effective payload capacity after end-of-arm tooling weight and verify moment limits for safe robot operation.

Inputs

lb
lb
lb
lb
mm
N·m

Results

Effective Payload

7 kg

≈ 4 bags of sugar

Total Tooling Weight3 kg
Calculated Moment11.77 N·m
Weight Margin2 kg
Moment Margin60.8%
Payload Utilization80%
How to Use This Calculator
  1. Enter the robot's rated maximum payload (kg) from the manufacturer's datasheet.
  2. Set the end-of-arm tool weight (kg) and bracket/adapter weight (kg).
  3. Enter the part weight (kg) and CG distance from the robot flange (mm).
  4. Review effective payload remaining, total tooling weight, and calculated wrist moment (N·m).
  5. Ensure both weight margin and moment margin are positive — if not, select a higher payload robot.

How the result changes with Robot Max Payload

Robot Max PayloadEffective Payload
200197 kg
700697 kg
1,3001,297 kg
1,8001,797 kg

What each input means

Robot Max Payload
Maximum payload rating of the robot at the wrist flange.
End-of-Arm Tool Weight
Weight of the gripper, sensor, or other EOAT.
Bracket/Adapter Weight
Weight of mounting brackets and adapters.
Part Weight
Weight of the part being handled.
CG Distance from Flange
Distance from the wrist flange to the center of gravity of the load.
Wrist Moment Limit
Maximum allowable moment at the wrist flange from robot specs.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Robot Max Payload = 10, End-of-Arm Tool Weight = 2.5, Bracket/Adapter Weight = 0.5, Part Weight = 5 = 6 input(s) provided
  2. Calculate Effective Payload
    Effective Payload
    7 = 7
  3. Calculate Total Tooling Weight
    Total Tooling Weight
    3 = 3
  4. Calculate Calculated Moment
    Calculated Moment
    11.77 = 11.77

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