Welcome to Gear News

Standards in Terminology for Gearing

Knowing the Proper Terminology is Key for Understanding Gear Design

Parallelism, Perpendicularity, and Misalignment

The Proper Alignment of Gears in Mesh is Critical for their Proper Operation

Heat Treating Gears Improves Surface Durability

Flame hardening, induction hardening, carburizing and laser hardening are among the common, effective methods.

When Someone Gives You the Shaft

Many Methods Exist for Securing Gears to a Shaft...

The Key to a Proper Fit for Keyways

Selecting the proper size keyway is determined by the shaft size. Sometimes you can put a square peg in a round hole.

Bore Tolerances for Gears

Selecting the proper tolerance for the bore and keyway can eliminate assembly headaches.

The Benefits of Converting from Spur Gearing to Helical Gearing

The introduction of a helix angle can change the performance of a spur gear.

A Primer on Backlash and its Purpose in Gear Designs

Minimizing backlash can create issues with lubrication and encourage excessive tooth mesh, which can then cause premature failure.

Converting Rotary to Linear Motion using Rack & Pinion

How module, circular pitch, rotary motion, and linear travel are related.