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Application notes

Which architecture fits which motion problem

The single most useful question in a servo drive conversation is whether the machine touches something. If it does, force control is on the table; if it does not, you should judge the drive on positioning behaviour instead. This page maps common machine types to the motion pattern each one needs.

Semiconductor die attach

XActant UF-48Vxx 48 V DC servo drive shown with EtherCAT, CANopen, Modbus and pulse-direction interface boards

Picking a die off the wafer, placing it onto the substrate, and pressing it down without cracking it.

Pick-and-place with soft landing

XActant UF-48Vxx EtherCAT variant 48 V DC servo drive, front and rear view of the board

Z-axis approach control when the part must touch the target rather than stop above it.

IVD and laboratory pipetting

XActant UF-48VxxAPDN 48 V DC servo drive dimensions, 55 by 43 by 22.5 millimetres and 50.7 grams

Liquid handling where the tip must touch the well and the system must not over-press.

Optical focus and alignment

XActant UF-48Vxx pulse and direction variant 48 V DC servo drive, front and rear view of the board

Lens or sensor stages that need to detect contact and stop at a defined force.

Electric grippers and end-effectors

XActant UF-48Vxx CANopen variant 48 V DC servo drive, front and rear view of the board

Parallel and angular grippers that need to hold a part with a known force.

Linear XY stages and gantries

XActant UF-48Vxx 48 V DC servo drive shown with EtherCAT, CANopen, Modbus and pulse-direction interface boards

Planar stages where positioning accuracy and settling time drive throughput.

Panel and container handling

XActant UF-48Vxx Modbus variant 48 V DC servo drive, front and rear view of the board

Moving flat panels, trays or containers through a process line.

A note on robots. Robot joint modules are one application for this technology, but they are not the strongest one. They depend on the DR ring product rather than the general-purpose range, and in a robot joint the priority is usually torque density and backdrivability rather than contact-force resolution. If your machine is a robot, say so — the selection logic changes.