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Alignment platform

UVM alignment platform

3F series UVW alignment platform mainly uses precision guide rails and ball screws to achieve high-speed and high-precision position control.

Widely used in handling, assembly, printing, lamination, testing, etc. in various factory automation, machinery manufacturing, electronics, semiconductor, home appliances and other related industries.

It plays a very important role in stabilizing product quality and improving labor productivity.

Introduction

Specification Table

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The UVW alignment platform, also known as the XXY platform or XYR alignment platform, is a high-precision mobile platform designed specifically for high-precision alignment equipment. This platform belongs to a three-axis parallel motion mechanism. By controlling the parallel motion of three linear moving axes, it can achieve rotational motion around any point on the plane and translation in any direction. This design makes the UVW platform a core technology in industrial automation, particularly suitable for application scenarios that require high-precision alignment functionality.


1、 Main features

High precision: The UVW platform is integrated with the visual CCD correction system to quickly complete high-precision correction work, and its repeated positioning accuracy can generally reach ± 1 μ m.

Flexibility: UVW platforms can rotate around any point on a plane, while traditional XY θ platforms typically can only rotate around a fixed point on the platform and must move along with the platform during rotation.

Compact structure: The UVW platform adopts a parallel design, placing three drive axes in the same plane, reducing the thickness and center of gravity of the platform, improving the load-bearing capacity, and suitable for applications with compact installation space requirements.


2、 Application scenarios

The UVW platform is mainly used in PCB and semiconductor industries such as exposure machines, screen printing machines, and laminating machines. In these applications, the UVW platform achieves high-precision alignment function by cooperating with machine vision systems, thereby improving production efficiency and product quality. For example, in the production of high-precision products such as mobile phone cover printing positioning, PCB printing positioning, and touch screen bonding, the UVW platform plays an important role.


3、 Control algorithm

The motion control algorithm of UVW platform usually adopts models such as FRAME33, FRAME34, FRAME37, which correspond to different mechanical structures and coordinate system directions. Taking the FRAME33 model as an example, it is suitable for UVW platforms with PRP structures and achieves positioning requirements through the movement of three drive axes installed on the same plane. In the control process, it is necessary to first fill in the mechanical structure parameters into the TABLE array, establish the connection of the robotic arm, and then use the inverse solution algorithm to map the UVW joint axis to the X, Y, and θ z axes to achieve complex motion control.


4、 Technological development

With the continuous development of industrial automation technology, the UVW platform is also constantly evolving. For example, the application of advanced control technologies such as EtherCAT motion controllers has further improved the control accuracy and stability of the UVW platform. Meanwhile, with the continuous development of machine vision technology, the integration of UVW platforms and vision systems is becoming increasingly close, bringing more possibilities to the field of industrial automation.


In summary, the UVW alignment platform has become an indispensable part of modern industrial automation due to its high precision, high flexibility, and wide range of application fields. With the continuous advancement of technology and the expansion of application fields, the UVW platform will continue to play an important role in promoting the development of industrial automation to a higher level.





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