Overview of the major categories of slide rules, and descriptions of common scale labels and meanings. The sterling slide rule has standard a, b, c, c, d, and k scales. For ring gasket ring groove dimensions see page 25 to 29 of our oilfield catalogue. Next, find the smaller number on the d scale and slide the c scale so the 1 on the far left lines up with the smaller number. The number and diameter mm of the bolt holes for the example below of 300nb is. Api flange slide rules custom slide rule calculators. Slide rule universe take the learn to use and clean them link. Nate, the mathematics guy shows you the basics of a slide rule. Lokring fittings grange pipe connectors victaulic pipe joining systems.
How to build yourself a slide rule math wonderhowto. He explains what a slide rule is and how you can build one of your very own. I rarely use sheet metal commands but need to learn more about them. It is unfortunate that, for some reasons not easy to see, the slide rule is sometimes regarded as a difficult instrument with which to. There is no way of indicating the position of the d. An easy introduction to the slide rule asimov, isaac. Download our free api 6a flange sizing and measurement conversion app. Tape overlapping cursor ends on back simple paper slide rule by.
Meeting service and quality demands since 1986 texas flange provides the following series of individual pages in html and pdf format that contain flange dimensions of the standard flanges we provide. Background on logarithms, history of the slide rule, and how it all works. Flange slide rule program flange dimensions and methods of identification segmented dual completion flange dimensions. Erics where to buy slide rules page erics slide rule site.
This manual is intended to help you successfully design. There is also a version as a word document which is smaller 2040 kb. Tests have proved that quality duct fabrication fitted with efficient flanging system preempts those nagging leakages. The slide rule and other instruments which give the same facilities for rapid calculations, are covered by the term mechanical calculation. Description download cameron flange slide rule free in pdf format. A flange is an external or internal ridge, or rim lip, for strength, as the flange of an iron beam such as an ibeam or a tbeam. Npr ed before the smartphone, the laptop and the pocket calculator, there was a powerful mechanical computer. Youll find more information about their current circular slide rule offerings at their website. How to get two base flanges to merge solidworks forums. To build the slide rule, you will need to download and print the following image at 300 dpi.
Angle divisions were originally in minutes, but decimal divisions gradually became predominant, in decitrig slide rules. I typed and scanned this in from one of the manuals that came with my n4es slide rule. This slide rule is the preferred reference tool in the field for its fast, accurate answers to sizing questions. Additionally, the slide rule does not tell you where the decimal point is located in the answer. All other scales on a slide rule are referenced to the c and d scales. A comprehensive tour of snappyhexmesh openfoamwiki. A105a105m a181a181m a182a182m a350a350m a694a694m a707a707m a988a988m a989a989m a522a522m flange dimensions are determined by pipe size and pressure class required for the application. Normally i would simply use extrusions but i would like to get a flat pattern out of this. A duplex slide rule had scales on both sides, the usual case for engineering slide rules. A book from the same era as my recently acquired slide rule was the best introduction i could have asked for. The a, d, and k scales are on the body, the b, and c scales on the slide. All the relevant measurements and dimensional data for the api 6a flange. The slide rule the book, written by florian cajori, is the standard work on the early history of the slide rule. Another example of a simple slide rule would be the e6b flight computer.
This slide rule is the preferred reference tool in the field for its fast, accurate answers to sizing. You can enter and read a number typically to two or three decimal digits only. Simpson departmentof physical sciences and engineering princegeorges communitycollege november 29, 2010 1 introduction before electronic calculators became widely available ar ound 1975, students, engineers, and scientistsperformed mathematical calculations using an instrument called a sliderule. Youre just using the slide rule to mimic its own behavior. There are 257 suppliers who sells slide on flange on, mainly located in asia. All of the authors were listed as associate or assistant professors of mathematics at the us naval academy. Flange weld neck dimensions flange weights, api spec 6a flanges flange weights, api spec 17d flanges. Api6a oilfield flange slide rule bolt stud circles ring gasket size std size api6b api6bx 2000 3000 5000 0psi. To do a calculation with a slide rule you reduce all numbers to scientific notation with 24 digits then use the slide rule to perform the basic operations. Here are a few instruction manuals for aw faber faber castell slide rules that i have acquired, most came with slide rules as indicated. Flanged joint, for thin or long, unsupported walls. Our customer service team is available and we are shipping orders. The smooth transition from flange thickness to pipe or fitting wall thickness. The slide rule also does not tell you the sign of your result.
Obviously most of us arent going to use a slide rule for day to day math in jobs or school, but sometimes its interesting to see how these old tools work. Extra heavy wall thicknesses are identical to stainless steel schedule 80s in sizes through 8 other types, sizes, and thicknesses of flanges can be provided to meet application. Additional slide rule material can be accessed using the links in the left bar under slide rule content pages. My slide rules this gallery is in the process of some updating, as many of the scans are from the 1990s, when my way of taking pictures was to put the slide rule on a flatbed scanner and hope it came out reasonably clearly. Cameron flange slide rule nut hardware screw scribd. Mar 29, 2019 to use a slide rule to multiply 2 numbers together, move the decimal points for each number you are multiplying so they fall between the values of 1 and 10. Iwa 1076, germany, vickers limited, hydraulics division, racine vsg, unit conversion rule. This page gives my own templates see below for constructing a circular slide rule, with scales c, ci, d, a, and k. Texas flange and continue reading flange dimensions weights. The information in these pages was compiled from industry sources which texas flange and fitting supply believe to be reliable. All about api flanges, hubs and clamps, slide rules. To view relative measurement values, select flange size, inches or millimeters, and maximum service pressure rating, psi or bar, then click on the button and view the resulting table for the required information. There are a number of sources of manuals for slide rules, they were usually supplied with slide rules when purchased although over the years they have become detached from the slide rule and are now lost.
In a separate calculation you find the order of magnitude by combining the powers of 10. In addition are a few manuals i have written for my own jugglers and radix series slide rules. This application gives you access to all the relevant measurements and dimensional data for the api 6a. Mar 15, 20 i rarely use sheet metal commands but need to learn more about them. This web site tool gives you a convenient and useful way to view figure number hammer union dimensions.
Slide on flange line the slide on flange sof machine produces slide on flange for duct transverse joints. Ron manleys slide rule site take the instructions link. The first circular slide rule on this link uses a cd case as the basis for the slide rule. Stocked and manufactured in carbon steel, stainless steel, and variety of other metals and alloy. It has a patent number in the well, dr patent 173660. There is no general rule how a lap joint flange must be hold on its place, and. Select the link below for figure number unions with removable or nonremovable nuts. The cursor travels the full length of the body, and the hairline crosses these scales for direct comparison.
Ansi asme class steel valve stockist ball valve, check valve, gate valve, plug valve class 150, class 300, class 600 class 900 and ansi a105 flanges. Valveworks usa presents the virtual flange slide rule. Api6a api6b api6x flange slide rule global supply line. Api flange slide rules custom slide rule calculators datalizer. Identify flange dimensions by selecting the nominal flange size. A perfect combination of cms duct and excel flanging system can alone provide an answer to that eternal malaise. Compared to a calculator, a slide rule is severely limited in its accuracy. Flange management presentation linkedin slideshare. You can also check out my circular and combination slide rules page for some examples. A wide variety of slide on flange options are available to you, such as linear.
The slotted hole and sliding attachment at one end of the plastic cover in the lower. The only maker that still produces classic slide rules is the japanese maker concise. It is unfortunate that, for some reasons not easy to see, the slide rule is sometimes regarded as a difficult instrument with which to become proficient. Reading the slide rule scales ia the decimal point d. All about api flanges, hubs and clamps, slide rules, oilfield. Npr ed before the smartphone, the laptop and the pocket calculator, there was a. Flanged gate valve slide rule program flange makeup, standoff and drift pressure cut well head flange. For ring gasket number and pcd of ring groove see below. Most of these dimensions have been standardized and published as asme, mss, api or other standardization. Slide charts electronics rude star identifier with hydrographic office modifications an type 1, hydrographic office no.
This machine requires minimal operator involvement. Updated november 3, 2001 types of slide rules and their scales. In 1950, post brought out an american version of the bamboo slide rule manufactured by hemmi of japan, the versalog. Api6a 6b flanges threaded flange weld neck flange blind flange for ring gasket number and pcd of ring groove see below. To use a slide rule to multiply 2 numbers together, move the decimal points for each number you are multiplying so they fall between the values of 1 and 10. Another identical rule can, however be seen on the international slide rule museum website originating from a.
Virtual flange slide rule for android apk download. By lap joint flanges that is not possible, because these slide back over the pipe, while. Simple paper slide rule michael gasperi 2012 fold fold cut cut cut 1. I am trying to build a part by creating two base flanges and merging together.
Any slide rule with cd, l, and a cursor will do it. An easy introduction to the slide rule internet archive. Ron manley, on his website presents an identical slide rule along with a convincing argument that this rule is an early nestler. On the reverse side of the slide, the s, l, and t scales appear, and the slide may be re.
A plate or ring to form a rim at the end of a pipe when fastened to the pipe. Cameron flange slide rule free download as excel spreadsheet. The menace of air leakage can have many contributing factors e e. Purchase top brand slide flange kits at top rated retailer active pool supply, where you will find the lowest prices and best service covid19 notice. Api flange slide rules custom produced to your specs first name.
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