Troubleshooting Guide
How to Replace an Obsolete Servo Motor
Guide to replacing an obsolete servo motor with a compatible model. Includes what to measure, check, and send a supplier for a quote.
Knowledge Center
Selection Guides for Automation Parts
Seven guides covering the decisions that go wrong most often: replacing a discontinued axis, sizing a suction cup, wiring a sensor to the right input card and choosing a controller that still fits next year.
Buying Guide
How to Choose a PLC for a Small Machine
Guide to selecting a PLC for small and mid-size machines: I/O count, output type, input wiring, analogue channels, communication ports, and HMI compatibility. Single-unit orders accepted.
Design Guide
Sizing Vacuum Suction Cups for Pick and Place
Guide to selecting vacuum suction cups for pick and place: match cup size, shape, and compound to workpiece and motion profile. Includes safety factor, surface condition, and measurement steps.
Troubleshooting Guide
NPN vs PNP Sensor Wiring Explained
Learn how to correctly wire NPN and PNP sensors to match PLC input types. Avoid common mistakes that cause false readings or no response. Covers PNP, NPN, M8, M12, two-wire, three-wire, and safety wiring.
Comparison Article
Torque Motor vs Servo Motor With a Gearbox
Compare direct drive torque motors and servo motors with gearboxes for rotary axes. Learn when each wins based on accuracy, cost, maintenance, and mechanical requirements.
Buying Guide
What to Send When Asking for an Automation Parts Quote
Send the model code, nameplate photo, quantity, and destination to get a fast, accurate quote for automation parts from China. Includes details on cables, sensors, motors, and documentation.
Design Guide
Robot End of Arm Tooling Holder Selection
Guide to selecting robot end of arm tooling holders. Covers payload, balance, bar size, clamps, spring holders, hose routing, and quick-change plates. Single units and mixed orders accepted.
FAQ
About These Guides
Who writes these guides?
They are written around the parts on this site, for the engineer or buyer who has to specify one. Each guide links to the components it discusses.
Do the guides cover a specific brand?
No. They cover the selection questions that apply whatever brand you end up buying: interface dimensions, output types, encoder types, cup materials and payload.
Can I ask a question that is not covered?
Yes. Send it over WhatsApp or email with a photo of the part and it is answered directly.
Still Not Sure Which Part You Need
Send a photo of what you are replacing. Identification comes before the quotation.