LEECO

ENGINEERING GUIDE

HONGJIN
  • How to Calculate Torque for Friction Hinge: What the Datasheets Don't Tell You

    How to Calculate Torque for Friction Hinge: What the Datasheets Don't Tell You

    I've watched an engineer spend three days debugging a drooping lid — the kind that slowly sinks shut over 20 minutes, never slams, never ful
  • How Does a Constant Torque Hinge Work? The Engineer's Complete Guide to Friction Hinges

    How Does a Constant Torque Hinge Work? The Engineer's Complete Guide to Friction Hinges

    What Is a Constant Torque Hinge — and What It Isn't
  • How to Select a Friction Hinge for Medical Equipment: What the Spec Sheets Won't Tell You

    How to Select a Friction Hinge for Medical Equipment: What the Spec Sheets Won't Tell You

    Every engineer who comes to us with a medical hinge requirement has specified friction hinges before. Usually in consumer electronics, industrial enclosures, or automotive. They know the basics. What catches people off guard — and what I've seen derail programs that had the torque calculation exactly right — is the torque engine selection problem.
  • Friction Hinge vs. Torque Hinge: A Force Analysis (With Real Calculations)

    Friction Hinge vs. Torque Hinge: A Force Analysis (With Real Calculations)

    Friction Hinge vs. Torque Hinge: A Force Analysis (With Real Calculations)
  • How Swivel Torque Hinges Hold Position: 360° Rotation, Specifications, and Selection Guide

    How Swivel Torque Hinges Hold Position: 360° Rotation, Specifications, and Selection Guide

    Learn how Swivel Torque Hinges use friction torque to hold panels and displays in position. Compare rotation range, torque, cycle life, mounting dimensions, applications, and custom hinge options from LEECO.
  • How Counterbalance Hinges Work: Selection Tips for Heavy Lids

    How Counterbalance Hinges Work: Selection Tips for Heavy Lids

    Learn how counterbalance hinges support heavy lids and reduce opening force. Compare torque, lid weight, center of gravity, opening angle, applications, and custom hinge options.