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, 2022
- 1 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, 2022
- 2 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, 2020
- 3 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, 2020
- 2 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, 2020
- 3 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, 2020
- 3 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, 2019
- 3 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, 2019
- 3 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, 2019
- 3 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, 2019
- 2 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, 2019
- 4 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, 2019
- 3 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, 2019
- 1 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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