Rotary Bearing Fits and Tolerancing

Rotary bearings are machine elements that support rotating shafts accurately while providing low friction conditions. In order to maintain a stable bearing performance over a prolonged duration, appropriate bearing fit design considerations are required to avoid any negative effects ([Chart 1]) ...

Timing Belt Maintenance and Belt Failure

There are many advantages to a timing belt: positioning accuracy, speed, low maintenance, and high efficiency. In order to keep your belts in good working order there are some basic maintenance and installation procedures that should be followed. If your ...

5 Ways to Build a Culture of Safety

Everyone agrees that the safety of workers must be a top priority within industrial manufacturing environments, but the exact methods that should be employed are more often the subject of debate. There are dozens of ways that a culture of ...

Linear Guide Tips & Tricks: Removing a block from a rail

Linear guides are a staple component in machine design where linear motion and load transfer is a requirement. The typical structure of a linear guide consists of a rail and a block with recirculating balls inside. The balls are retained ...

Understanding Gear Profile and Gear Module

The geometry of a simple spur gear tooth is complex. Numerous dimensional parameters define the shape of the tooth profile, determine how the gears fit together, and identify locations where forces act at the gear teeth.  Two of the most ...

Part I: Comparing Rolled Ball Screws and Ground Ball Screws

At a high level, ground and rolled ball screws appear to function nearly identically within a wide range of mechanical applications.  However, the raceway surfaces, which are very similar to traditional machine screw threads found in a typical screw/nut system, ...

Video: IN MOTION – Cleaning A Part

When a production line includes machining to shape or finish a part, dust and chip removal is usually required before moving on down the line. This can prove difficult to complete without containing the part, dust, and surrounding area, however ...

Mastering Linear Bushings

Linear motion products are the most commonly used motion elements in the automation of transfer, locating, and assembly machinery. Here, three types of linear guides, Linear Bushing, Slide Guide, and Oil Free Bushing will be compared and explained as we ...

The Lowdown on Locating Pins

Locating pins are utilized in manufacturing setups to precisely position workpieces in various orientations to make it possible to execute a wide range of manufacturing operations or dimensional inspections.  Within this broad definition, the design of locating pins can be ...

Strengths & Limitations: Belt Drive vs. Ball Screw Actuators

The challenge for mechanical automation systems in the past has been the successful conversion of rotational motion from electric or mechanical motors into useful forms of linear motion.  A breakthrough in this regard, the conveyor belt system represented one of ...