While there's a lot of focus on electronic controllers that can handle nano-level positioning or multi-axis synchronization, Rexroth explains how choices machine designers make in mechanical linear … [Read more...] about Learn how mechanical linear motion hardware affects precision motion control
Motion Control
4-point bearings do triple duty while saving space
A four-point contact ball bearing is ideal for oscillating movement at slow to moderate speeds, and can replace two angular contact bearings. A white paper from Kaydon Bearings, an SKF Group brand, … [Read more...] about 4-point bearings do triple duty while saving space
Application Note: Servo PID Tuning
Let’s take a look at a practical tuning exercise and take a closer look at the real effect of the various gains. Digital servo drive and motor with encoder feedback will be used to illustrate the … [Read more...] about Application Note: Servo PID Tuning
Important Factors to Consider when Choosing a Rotary Indexer
When it comes to the manufacturing of indexers, there are many ways to achieve movement of mass. Whether extremely light inertia loads or loads in the hundreds of thousands of kgm2. Whether it is … [Read more...] about Important Factors to Consider when Choosing a Rotary Indexer
Linear Guides For The Next Generation Of Medical Machines
Not too long ago, the motion systems used in medical and lab automation equipment had technical requirements that were easy to satisfy. These lightly loaded applications generally required simple … [Read more...] about Linear Guides For The Next Generation Of Medical Machines
Case Study: High precision XY gantry with self-correcting XY orthogonality system
Primatics was contracted to design and build a 5-axis, high precision sorter system. Two of the axes were to be in a gantry form of a 500 mm travel Y, Y’ with a 1300 mm travel X cross axis supported … [Read more...] about Case Study: High precision XY gantry with self-correcting XY orthogonality system
Lead Screws 101 – A Basic Guide to Implementing a Lead Screw Assembly for Any Design
In many devices lead screw assemblies are used to convert motion from rotary to linear and vice versa. Historically these assemblies have had poor efficiencies and relied on grease for improved … [Read more...] about Lead Screws 101 – A Basic Guide to Implementing a Lead Screw Assembly for Any Design
Pressure Velocity and Leadscrew Assemblies
Pressure velocity (PV) is a fundamental property of all plastics, and is specific to the composition of the plastic. PV for a lead screw application is a calculated value based on load and surface … [Read more...] about Pressure Velocity and Leadscrew Assemblies
Stepper Motor Linear Actuators 101
With trends towards miniaturization, precision, computer control and cost reduction, hybrid and can-stack style integrated stepper motor actuators are being used in an ever increasing range of … [Read more...] about Stepper Motor Linear Actuators 101
Understanding How Feedback Encoder Devices Operate
Feedback is used in closed loop systems in applications across all markets to control speed and/or position, and it has an important role in keeping equipment operating smoothly and accurately. This … [Read more...] about Understanding How Feedback Encoder Devices Operate