THK Introduces Type KR-RL LM Guide Actuator with ball screw
New from THK, the Type KR-RL LM Guide Actuator features a driving element that uses right/left threads and enables symmetrical movements...
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pgstechnologies
Jul 10, 20222 min
When do you need a left-handed screw?
Just like people, ball and lead screws can be either right-handed or left-handed. But in screw terminology, handedness indicates the...
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pgstechnologies
Jul 2, 20221 min
"DN value" of the THK Ball screw
The DN value is a value to determine whether the parts which compose the ball circulating component can be used without damage. DN value...
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pgstechnologies
Jan 14, 20222 min
How Contact angle affects linear bearing performance?
In profiled rail linear guides that use balls or rollers, the geometry and arrangement of the bearing raceways play a significant role in...
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pgstechnologies
Jul 19, 20203 min
What makes a linear guide suitable for high temperature use?
For most recirculating ball and roller linear guides, the allowable operating temperature range is -10° to 80° C, with some...
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pgstechnologies
Jul 19, 20202 min
THK adds high-speed SDA-V/SDAN-V caged ball screws
THK’s new Type SDA-V/SDAN-V caged ball screw is engineered to enable the development of high-speed machine designs. Featuring newly...
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pgstechnologies
Feb 22, 20203 min
What you need to know about corrosion-resistant linear guides
Recirculating ball and roller guides are the backbone of many automation processes and machines, thanks to their high running accuracy,...
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pgstechnologies
Jan 9, 20203 min
Types of Linear Bearings
Linear ball and roller bearings can be broadly divided into two categories—recirculating and non-recirculating—depending on whether or...
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pgstechnologies
Dec 29, 20193 min
Common ball screw terms explained
When discussing ball screw assemblies, there is often confusion surrounding common nomenclature used to describe their structure and...
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pgstechnologies
Dec 28, 20193 min
Ground vs. Rolled Ball Screws: Does manufacturing method matter?
There’s much debate among manufacturers, and sometimes among users, regarding the superiority (or lack thereof) of ball screws with...
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pgstechnologies
Dec 27, 20193 min
Why are cages used in crossed roller guides?
Crossed roller guides are non-recirculating linear bearings whose rollers are oriented in a “crisscross” pattern (each roller is turned...
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pgstechnologies
Dec 27, 20192 min
What is Torque?
we answer the common question “what is torque?” Although torque refers to rotational motion, it is a fundamental concept in linear motion...
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pgstechnologies
Dec 12, 20194 min
Ball screw standards: What you need to know about DIN, ISO, and JIS
If you’re involved in ball screw sizing or selection, you’ve probably noticed that there are several different standards that govern...
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pgstechnologies
Dec 2, 20193 min
Basics of cam followers
Cam followers are power-transmission devices with a rotary bearing core that bears load while serving as the interface between...
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pgstechnologies
Nov 30, 20191 min
Planetary-roller-screws
Screw drives are some of the most common methods of mechanical linear actuation. And planetary roller screws are one of several screw...
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