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custom fabrication and chambers - 14 Pages

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Catalogue excerpts

High Vacuum Products Custom Fabrication and Chambers A&N Corporation 707 SW 19th Ave. Williston, FL 32696 1(800) FLANGE1 FAX (352) 528-3441 www.ancorp.com All ® Registered Trademarks are the property of their respective companies. 1(800) FLANGE1 • www.ancorp.com

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Custom Fabrication and Chambers High Vacuum Products Custom Fabrication Overview A&N has been building high and ultrahigh vacuum chambers for over 30 years. Vacuum chambers are employed in a variety of industries and applications. Our range of projects extends from one-of-a-kind chambers for research applications through production quantity chambers for OEM’s. You will find A&N vacuum chambers in materials research labs (mass spectrometry, energy dispersive spectroscopy, Low Energy Electron Diffraction/Auger surface analysis), physics research labs (particle accelerators, condensed matter, nanotechnology),...

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How to Specify a Vacuum Chamber High Vacuum Products Overview of our capabilities: High and ultrahigh vacuum chambers are engineered products that require a specialized set of materials and fabrication processes. To help designers and practitioners better understand system specifications, a brief overview of A&N’s capabilities and practices follows: Materials Standard materials: Because of its high corrosion resistance, low outgassing rates, wide range of applicable temperatures, machinability, weldability, and relative cost, A&N’s standard material for tube sections, spheres and roll-ups is 304L...

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How to Specify a Vacuum Chamber High Vacuum Products Cleaning and Packaging Upon final machining, all components are washed in a heated ultrasonic detergent bath followed by multiple ultrasonic deionized water rinses to remove all residual machining lubricants. After final rinse, parts are blown dry with dry, heated, filtered air and packaged. After cleaning and testing, flanges and small components are hermetically sealed in vacuum board packaging and are ready for UHV installation. Larger flanges are covered with a layer of foil and protective plastic shields. Weldments and assemblies are then...

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How to Specify a Vacuum Chamber High Vacuum Products How to specify a custom chamber There are three basic steps to specifying a custom vacuum chamber: 1) Specify the main body style and dimensions; 2) Specify chamber ports (2a) and port mounting configurations (2b); and 3) Specify application specific design considerations. Spherical STEP 1 There are essentially three main body styles that are commonly used in vacuum applications today: 1. Spheres and hemispheres: Two hemispheres are welded together to form a spherical chamber body. A spherical configuration provides the highest surface area...

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How to Specify a Vacuum Chamber High Vacuum Products STEP 2a: Choose the appropriate three-dimensional coordinate system (spherical, modified cylindrical, or cartesian) and specify each port center in coordinates of the chosen system. A complete specification of a port center includes: 1) The center point of the port in the appropriate coordinate system, 2) The focal length, 3) The focal point. Examples of how these coordinate systems are applied to each of the typical main body styles are provided in Figures 4 through 6. A complete port specification example for a cylindrical chamber is provided...

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How to Specify a Vacuum Chamber High Vacuum Products STEP 2a: Choose the appropriate three-dimensional coordinate system (spherical, modified cylindrical, or cartesian) and specify each port center in coordinates of the chosen system. A complete specification of a port center includes: 1) The center point of the port in the appropriate coordinate system, 2) The focal length, 3) The focal point. Examples of how these coordinate systems are applied to each of the typical main body styles are provided in Figures 4 through 6. A complete port specification example for a cylindrical chamber is provided...

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How to Specify a Vacuum Chamber High Vacuum Products STEP 2a: Using the conventions provided in this section, steps 2a and 2b have been completed for the seven ports shown on the cylindrical chamber below (Figure 7). The data have been summarized in the table on pg. 1.10. Cylindrical Chamber focal points: (0,0,z) examples: Port labels 1-7 are references for the port specification table. This is step 2b. See pg. 1.10 - 1.11 All ® Registered Trademarks are the property of their respective companies. 1(800) FLANGE1 • www.ancorp.com

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How to Specify a Vacuum Chamber High Vacuum Products STEP 2b Once the port center coordinates are determined, fill out the following port matrix to complete the port specifications: port flange flange bolt hole mounting tube tube Focal Focal Azimuthal Polar number size 1 style 2 style 3 config. 4 o.d. (in) thickness 5 point length (in) angle angle 1 - Flange Size: Please refer to the catalog for all possible flange sizes. Representative examples are provided here: Small ISO: Large, Clamp or Bolted ISO: LF80, LFB100, etc. ConFlat ®: 2 - Flange Style (applicable to CF and ASA only): R – Rotatable...

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How to Specify a Vacuum Chamber High Vacuum Products Tubulated (Rotatable & Non-Rotatable) Internal weld Port Mounting Configurations (reference pg. 1.10, step 2b, note 4) Flush Mount 4 Port Configurations Zero Length Fixed or Rotatable Flush Mount Internal weld I.D. Zero Length (Fixed) Internal weld Zero Length (Rotatable) Machined Smaller flange detail machined into air-side of larger flange, including blind tapped holes All ® Registered Trademarks are the property of their respective companies. 1(800) FLANGE1 • www.ancorp.com

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How to Specify a Vacuum Chamber High Vacuum Products STEP 3 Specify application specific design considerations. A minimum set of criteria are provided here: a. Material: Specify if other than 304L stainless steel. b. Main body wall thickness: Specify if known or state “Standard” if A&N should select the thickness. c. Bolt hole orientation: Specify, as shown in Figure 7 below, if known or state “Standard” if A&N (for non-rotatable flanges). The orientation of leak check grooves on CF flanges should should select the bolt hole orientation be indicated if critical. Figure 7 Primary Axis d. Clamp...

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