6DOF motion platform is a mechanical system that can move freely in three planes and rotate about three axes. The following are some common parameter indicators of the 6DOF motion platform:

1. Translation Range: Describes the maximum displacement range of the platform on the three coordinate axes, usually in millimeters.

2. Rotation Range: Describes the maximum rotation angle of the platform around the three rotation axes, usually in degrees.

3. Payload Capacity: Indicates the maximum load weight that the platform can bear, usually in kilograms.

4. Yaw: Yaw describes the rotation of an object around a vertical axis. In the context of an aircraft, the vertical axis is usually perpendicular to the fuselage, while yaw motion is a rotation about the vertical axis of the aircraft. For a six-degree-of-freedom platform, yaw motion will cause the entire platform to rotate about the vertical axis.

5. Roll: Roll describes the movement of an object rotating around a horizontal axis. In the context of an aircraft, the lateral axis is usually the axis horizontally across the aircraft, and the roll motion is the rotation about this axis. For a six-degree-of-freedom platform, the rolling motion will cause the entire platform to rotate around the horizontal transverse axis.

6. Pitch: Pitch describes the rotation of an object around its longitudinal axis. In the context of an aircraft, the longitudinal axis is usually the fore and aft axis of the aircraft, and pitch motion is rotation about this axis. For a six-degree-of-freedom platform, pitching motion will cause the entire platform to rotate around the front and rear axes.

7. Accuracy: Describes the positioning and control accuracy of the platform when executing movements. This usually depends on the accuracy of the sensor and the performance of the control system.

8. Speed: Describes the maximum speed of the platform when performing motion, usually in millimeters/second or meters/second.

9. Acceleration (Acceleration): Describes the maximum acceleration of the platform when starting, stopping or changing direction, usually in millimeters/second² or meters/second².

Types of transmission screw

1. Ball Screw: The ball screw is an efficient transmission device with the characteristics of low friction, high efficiency and high precision. It is composed of a screw, a nut and a ball. The rolling of the ball realizes the conversion from rotational motion to linear motion.

2. Guide screw (Lead Screw): The guide screw is similar to the ball screw, but its nut does not have balls, but achieves linear motion through direct contact with the screw. Guide screws are generally less expensive than ball screws, but less accurate and efficient.

3. Slide Screw: The slide screw is a simple transmission device, consisting of a screw and a nut. The rotation of the screw drives the nut to achieve linear motion. It is suitable for some applications that do not require particularly high accuracy.

4. Linear Motor: A linear motor is a device that directly converts electrical energy into linear motion, omitting traditional mechanical transmission components. It can provide high-precision, high-speed linear motion but is generally more expensive than traditional screw drive systems.

These parameters can vary based on the needs of the specific application, and different manufacturers and designs may provide different specifications. When selecting a 6dof motion platform, these parameters need to be comprehensively considered based on specific application scenarios and requirements.