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Low Vacuum High flow

By Daniel Pascoe Most vacuum pick-and-place applications require a moderate vacuum level of about 20+”Hg. For example, a 40-mm diameter cup has a theoretical lifting force at this vacuum level of about 17 lbs. This is of course affected by numerous conditions such as inertia and surface type. There are many options the user may […]

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Vacuum Pick and Place: High-Speed Cycle Time Reduction

By Dane Spivak, and illustrations by Daniel Pascoe, Davasol Inc. In the world of high-speed factory automation, speed is everything. Manufacturing processes require fast cycle rates to increase output and overall production efficiency. This article discusses strategies to implement in vacuum pick and place applications to minimize production cycle times. There are many contributing factors with […]

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Vacuum Measurement

By Dan Pascoe Often missing from a vacuum system is something to measure the vacuum level such as a vacuum switch or a vacuum gauge such as shown in Fig. 1. A vacuum gauge is a low-cost option for troubleshooting and production efficiency. Vacuum pumps are selected based on two fundamental criteria: flow rate and […]

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Basic Vacuum Cup Selection

By Daniel Pascoe There are many types of vacuum cups available for use in vacuum pick-and-place systems. Some are designed with a particular application purpose while others are simply designed to offer a range of similar style models to the vacuum user: single bellows models from 5 mm through to 50 mm diameter, for example. […]

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Designing a Reliable and Efficient Vacuum System

By Mike Tuohey, Sales & Marketing Communications Manager, Piab USA Inc. A vacuum system is made up of more than a pump, and its design is dependent on the application. However, all applications need reliable and efficient designs, so to illustrate how to achieve that, we will focus on two types of applications and systems. […]

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Hold It Down – Vacuum Clamping

By Daniel Pascoe President of Davasol,  Inc. Most of the articles I have authored for Fluid Power Journal have been about vacuum pick and place, which is the most common application in fluid power circles for vacuum components. However, a relatively common application for the same components is the opposite of pick and place:  material […]

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Basic Vacuum Conveying

There exist many different methods of conveying product with vacuum. Some are very elaborate, and indeed, some are very expensive. The conveyance of material in a production environment is very common and widespread in industries such as food, pharmaceuticals, and plastics. This article focuses on point-of-use conveyors that are very common in basic conveyance of […]

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Pressure & Vacuum in Print

In the printing industry, vacuum and low-pressure air is used extensively in the sheet feeding heads of web offset printing presses (Fig. 1). These presses utilize vacuum throughout the machine to transfer sheets of plain paper from one end to the finished printed paper at the other. Common printing projects are large quantity runs of […]

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Vacuum Basics

By Richard Throop, CFPS Vacuum often seems like a mystery or “black art,” but vacuum is actually quite simple. When we talk about vacuum, we are talking about operating in the pressure region below atmospheric pressure (14.7 psi absolute at sea level) instead of above atmospheric pressure. The same principles and laws that work within pneumatics, […]

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Basic Vacuum Pump Choice

The consideration of which vacuum pump to select is based on many factors. This article explains the fundamental differences between three very common vacuum pump technologies and offers the user a better understanding of what their selection differences are. More often than not, a vacuum user will replace an existing vacuum pump with the exact […]

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