Mechanical Components

The Basics Of Pressure Regulators

Pressure regulators are found in many common home and industrial applications. For example, pressure regulators are used in gas grills to regulate propane pressure, in home furnaces to regulate natural gas, in medical/dental equipment regulate oxygen and anesthesia gases, in pneumatic automation systems to regulate compressed air, in engines to regulate fuel pressure, and in fuel cells to regulate hydrogen. Although the applications vary considerably, the pressure regulators provide the same function. Pressure regulators reduce a supply pressure to a lower outlet pressure and they maintain this outlet pressure regardless of inlet pressure fluctuations. This reduction in pressure is the key characteristic of pressure regulators; outlet pressure is always at a pressure below the inlet pressure.

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Advanced Symbolic and Numeric Techniques for Machine Vibration Analysis

The operational reliability of a rotary equipment train is dependent on the vibration of its components. Often, the only evidence of this vibration is gear noise or coupling wear. However, these early indicators might eventually develop into high-amplitude vibration, resulting in gear wear, gear tooth failures, or broken shafts. The torsional response characteristics of rotating and reciprocating equipment should therefore be analyzed and evaluated to ensure system reliability.

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Unique Method for Orifice Production

To produce accurate, repeatable orifices, all the variables that might influence the Cd Value (Coefficient of Discharge) must be controlled during production. This includes the orifice hole length, edges, surface finishes, roundness and the elimination of all tool marks, burrs, ragged edges and irregularities. If any one of these areas is not perfectly managed, the orifice flow rates will vary from piece to piece thereby making it impossible to predict flow with any accuracy.

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How to Optimize Performance and Minimize Size in High Speed Applications

Electric motors are continuously evolving with the constant release of new material in the market. Today, NeoFe magnets are reaching 50 MGoe and new lamination materials offering limited losses, allow the use of electric motors at very high speed. For each application it’s crucial to understand in detail the specifications in order to offer the optimum design, Portescap has developed few motor technologies in order to be address each application with an optimal solution.

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Spherical Plain Bearing

AST Bearings’ website features a variety of white papers covering a range of spherical plain bearings, free of charge. These white papers include spherical plain bearings requiring lubrication (steel-on-steel) and maintenance-free spherical plain bearings, which are broken down into categories according to the sliding contact surfaces: steel-on-PTFE composite material, steel-on- PTFE fabric and steel-on-copper alloy. The white papers offer valuable and detailed information, such as design characteristics, materials, applications, temperatures and more for every product.

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White Papers

Avoid the High Cost of Quality Failure
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PICO xMOD Data Sheet
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Smoothing the Transition from Design to Manufacture: Best Practices
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An Introduction to LED Capabilities
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High-Speed A/Ds for Real-Time Systems
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Why bigger isn’t always better: the case for thin section bearings
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