XYZ Closed Loop Linear Motion Stepper/Voice Coil Positioning Control Stage

Linear Motion Closed Loop Linear Stepper Gantry Robot

H2W’s latest offering for tablet/touch screen testing. This system is used to repetitively simulate a person’s finger across a touch screen.

Two individual closed looped, hybrid (2 Phase Brushless) linear motion motor stages are mounted on a base plate as an “H” gantry. A custom voice coil stage which acts as the Z stage is mounted onto the moving table of the Y axis. The voice coil stage can operate either under closed loop position control with force monitoring or closed loop force control with position monitoring. Force can be controlled in the range of 10 grams. Standard linear encoder resolutions of 1 micron were used however resolutions as low as 0.1 microns are possible. Other stroke length, forces, and configurations are available.

For additional information contact Mark Wilson at H2W Technologies, 26470 Ruether Avenue #102, Santa Clarita, CA 91350; Tel: 888-702-0540, Fax: 661-251-2067, E-Mail: or visit the website at

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