Engineering blog
Technical articles for shrink disc selection, shaft fit review, tightening sequence and maintenance planning.
2026-08-31
A no-fluff checklist for buying Ringfeder couplings and related power transmission parts, written by an admin buyer who has learned to check the part number, legal entity, roller chain spec, and VFD application before submitting the PO.
Read note2026-08-28
What VFD stands for, why a VFD doesn't replace a rotary torque sensor, and how it applies to Ringfeder couplings and power transmission systems.
Read note2026-08-28
A procurement manager answers 7 common questions about Ringfeder couplings, locking assemblies, and torque management—including what they don't make: roller bearings, ball screws, and gear drives.
Read note2026-08-27
A six-step procurement checklist for Ringfeder power transmission components, covering the ringfeder torque chart, VFD-driven applications, and the bearing details buyers often miss.
Read note2026-08-27
A quality manager's practical comparison of Ringfeder coupling and locking assemblies against keyed shaft connections in linear actuators. Includes angular contact ball bearing preload, linear actuator controller diagnostics, and the real failure sequence.
Read note2026-08-26
Practical answers about Ringfeder, including Ringfeder Power Transmission USA Corporation vs GmbH, spur gear mounting, rotary torque sensors, and what VFD stands for.
Read note2026-08-26
A practical procurement checklist for buying Ringfeder couplings and locking assemblies. Covers AC servo motors, VFD basics, shaft dimensions, and vendor verification.
Read note2026-08-25
After $11,000 in specification mistakes, a maintenance engineer explains why most drivetrain failures start with component selection — from stepper motor speed limits and coupling torque charts to pillow block bearings and timing belts. Includes lessons about ringfeder coupling specs and ringfeder power transmission s.r.o.'s engineering support.
Read note2026-08-25
A maintenance engineer shares hard-earned lessons from 41 documented power transmission mistakes—RINGFEDER locking assembly installation, gear reducer service factors, "what's a ball bearing" basics, and an SG90 servo motor torque story. Includes the checklist he built.
Read note2026-08-24
A procurement manager shares a 7-step checklist for buying couplings, v-belts, motors, and bearings—covering ringfeder torque specs, total cost of ownership, and hidden costs that never make it into the quote.
Read note