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Servo-Flex®

Guide · Updated June 10, 2026

How to increase usable robot payload

You may have more robot payload than you think — it is just being spent on the gripper. This guide shows how to recover usable payload without buying a bigger robot.

Before specifying a larger, more expensive robot, check where your payload is actually going. In many cells, the gripper — not the robot — is the real limit.

Quick context: payload is a budget

Payload is shared between the tool and the part. The gripper always spends first.

Heavy gripperLight gripper
Robot rated payload40 kg40 kg
Tooling weight12 kg4 kg
Usable for the part28 kg36 kg

Swapping a 12 kg gripper for a 4 kg one returns 8 kg to the part — often the difference between handling an application or not.

The steps

Work through the steps above. The biggest, fastest lever is almost always tooling weight: a lighter gripper recovers payload immediately, with no change to the robot.

Don't forget overhang

Payload ratings assume the load near the wrist. The further a part's mass sits from the flange, the larger the moment, and the lower the effective payload. Keep grips compact and close.

See your number

The ROI calculator shows recovered payload for your robot and gripper, and the cobot grippers page explains why this matters most on collaborative robots.

See Servo-Flex grip your parts.

Book a demonstration with our engineers — tell us your robot and your part range.