Blogs



By
Airpot
22 April 21
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Using liquids in Airpot Air Dashpots

Occasionally we get asked if liquids can be used in place of air in our dashpots. Let’s talk about some of the issues. Because liquids are essentially incompressible, a liquid-filled dashpot wouldn’t suffer from the “air spring” effect that all air-filled dashpots have. This “air spring” is usually undesirable as it reduces the damping at [...]



By
Airpot
16 March 21
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Using Airpot’s Piston-Cylinders as Sliding Linear Bearings?

We use our graphite pistons and glass cylinders as the core technology to make our air dashpots and low friction air cylinders. Some customers go in a different direction and use the piston-cylinders to make sliding linear bearings. Let’s talk about some of the issues involved with this. A rod in a precision V-block is […]



By
Airpot
09 February 21
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How Airpot Measures Friction in their Airpel Plus Air Cylinders

We at Airpot make three different low friction air cylinder lines under the Airpel name. Many customers have asked us how we measure the friction in these cylinders. Today, we’re going to explain how friction is measured in our Airpel Plus air cylinders. The Airpel (or standard Airpel) is a low friction air cylinder available […]



By
Airpot
05 February 21
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Piston Leak and Dimensional Stability

One of the ways our air cylinders have such low friction is that the Airpot (and Airpel) pistons are fit to the cylinder with clearance and therefore, there are no true seals. However, this means that whenever there is a pressure difference that there will be a non-zero flow of the fluid from the high […]



By
Airpot
12 January 21
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By
Airpot
18 January 19
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By
Airpot
03 January 19
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By
Airpot
08 June 18
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By
Airpot
08 June 18
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By
Airpot
08 June 18
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