Determine the maximum percent gland fill using equation 6. Otherwise many bad things will happen to your design. Parker recommends utilizing our inphorm design software. Oring installation design and specification for dynamic reciprocating applications. In fact, an oring that is not squeezed in its application is the wrong oring. Orings standard as568, iso 3601 apple rubber products. The groove must be designed to accommodate not just the oring size, but also its intended usage. For those who are unfamiliar with oring design, it is recommended to. Throughout this post, im going to refer to the apple rubber website, but i am not affiliated with them. Orings are typically called out by the inner diameter of the torus and the diameter of the round crosssection. If you are unsure what crosssection size to use, see here. The most common type of seal used for sealing vacuum systems is the oring. For vertical oring applications as a chamber, it is desirable to use an undercut groove similar to that shown in figure 1.
Ace seals engineering design guide provides insight into the appropriate measures for installing these products. Our primary products are o rings in over 30 different compounds. The design of the groove where the oring sits plays a major role in how the oring performs its sealing role. Oring calculator, unit converter, oring weight calculator, chemical resistance guide. Apple rubber offers the seal industrys largest inventory of orings, which includes every standard as568 and iso 3601 size, and the following. Largest oring inventory and custom sealing solutions. Rubber oring seals orings ppe manufactures and supplies fully molded and cnc machined elastomer orings from 1. An oring seal consists of an oring and a properly designed gland which applies a.
Over 25 years of experience and knowledge design engineering department. Just select the seal and application type, input your bore, piston, and groove diameters, and the orings inside diameter id and cross section. If there is still no match, then the only remaining options are to change the design of the bore or groove or both. Oring groove design considerations and engineering guides for static face seals, metric orings, static dovetail orings, static rodpiston orings and dynamic rodpiston orings. You will find indepth information on each of these rules and more in the new seal design guide published by apple rubber products. If you are using a backup ring in your application, increase the groove width by the maximum thickness of the backup ring. Gap mm info sealing gap mm calculated values at excentrical position of piston. Those who are already familiar with oring seal design may simply refer to the appropriate design tables for the information needed. To verify you have chosen the right oring for you application, use our new oring gland calculator. Apple o rings are available in a choice of six basic materials, each in a range of optional durometer shore a hardnesses. Make sure the squeeze % is sufficiently high enough to seal, but low enough to allow dynamic movements. Helpful resources what the robotics at marylands subteams use in their work.
Oring grooves are used to seal removable sections in a design which are at different pressures andor in contact with different fluids. Oring groove calculator precision polymer engineering. Solidworks 2016 sp05 to disable web help from within solidworks and use local help instead, click help use solidworks web help. Both are interlinked, thus ensuring the best possible combination of the calculated oring size and material choice. In order to seal properly the oring has to deform in the application by being compressed and stretched in any number of ways. Apple material designation durometers shore a temperature range dry heat only the most commonly used durometer is 70. Oring groove design guide for static id od rod piston glands. To report problems encountered with the web help interface and search, contact your local support representative. With one of the largest nonstandard size inventory.
Gland design the first thing you need to do is select a gland design. Find apple o ring related suppliers, manufacturers, products and specifications on globalspec a trusted source of apple o ring information. Through our extensive research we believe that these oring groove dimensions and fit details will provide the optimum oring compression squeeze for your seal to prevent oring leaks. When compressed between mating surfaces, an oring blocks the passage of liquids or gases. The eriks oring design calculator features the calculation of. Oringkits the handy carrying case with orings is ideally suited for repairs, assembly jobs and workshops, and finally puts an end to the search for the right oring. Orings are available in a wide range of standard and nonstandard sizes that are suitable for nearly all sealing applications. For more information on the oring groove calculator or other products please visit our contact page or. Parkerhannifin in my humble opinion, as stated, is the best. Design engineering apple rubber products apple rubber. Having a circular cross section that functions as a seal, in both static and dynamic applications, by being compressed between the mating surfaces comprising the walls of the gland, in which it is installed. Save time calculating and designing oring grooves and verify the oring sealing performance by checking parameters like oring compression, free groove volume, oring inner diameter stretch and much more.
Since new designs should also try to incorporate these sizes, we offer groove design tools for static and. Our goal is to maximize our ability to provide quality products and services that meet or exceed our customers requirements. Apple rubber products is a learning company that has embraced the challenge to explore and develop a variety of manufacturing methods. Standards as568, metrics iso 3601, and unusual sizes. Oring seals for static and nonrotary dynamic applications. Select the type of oring groove piston, rod, face seal or trapped seal. Great design variety special shapes, x and drings are also on offer. Oring groove design guides for face seal flange, dovetail flange, static cylinder and piston, and dynamic cylinder and piston designs.
As important as the oring seal itself is the groove that the oring seats into. Here you find all eriks interactive technical tools for orings. Browse the function and availability of each groove design. Total indicator reading between groove and adjacent bearing surface. Oring design procedure using mobile inphorm parker recommends utilizing our design tools mobile inphorm and the oring selectordesign software to guide the user through the design and selection of an oring and corresponding seal gland. For standard sizes, aerospace standard as568 and iso 3601 for metric sizes are used to give the dimension and tolerance. Parker recommends utilizing our design tools mobile inphorm and the oring selector design software to guide the user through the design and selection of an oring and corresponding seal gland. This interactive guide helps you determine the chemical properties, temperature ranges and key uses of chemicals in oring and seal. The clearances must be held to an absolute minimum consistent with design requirements for temperature variations and should not exceed the values shown. International and apple are alternatives in sourcing the design handbooks in elastomer application.
Designing the parts of an application where orings will be applied is broadly termed oring groove design. Choose between over 30 construction part materials and 11 oring compounds. Oring calculator helps you to select the recommended oring sizes based on the groove or any size given. Discussion in calculations started by bert, apr 6, 20. Gland depth x groove width area of the gland must be larger than the cross section area of the oring pi x r2. Apple rubber stocks the largest inventory of orings in the industry. If the clearance is unacceptable, component tolerance will have to be. As well as the chemical volume swell or shrinkage of the oring. Oring seals from freudenberg sealing technologies can be adapted across all industries and market segments to technically demanding installation and operating conditions on a customerspecific basis. Now that you have selected a gland design and oring size. The parker one is decent but their inphorm software isnt worth the electrons its written on. Here you will find an oring groove design guide to help you with your oring gland dimensions.
Apple rubber products, inc oring, orings, oring, o. Oring groove design, oring groove dimensions mykin inc. Apple rubber engineers have a broad range of experience and knowledge in seal design aquired over more than 25 years of solving problems for countless industries. Choose whether you are working with existing hardware or designing new hardware. Since 2007 we have been making getting orings easy by continuing to improve our people, product and process. Thus, for an as568010 size 70 shore a, nitrile would be. Dovetail groove engineering design guide custom oring. Orings and load them also into your created design. Apple rubber oring seal design guide is a good start in learning about several types of oring seals and general procedures oring groove design. Oring is forced to flow within the groove toward the. To complete the oring design process, the oring material needs to be specified based on the seals anticipated environment. We serve customers around the world from our oring warehouse in clarkston, washington. Standard measured dovetail grooves are accessory products that are used to hold an oring in place during the installation or maintenance of a piece of equipment. Reference charts for designing the right oring groove dimensions for optimal oring performance, then order orings online from the worlds largest oring inventory network.
An oring is a simple and versatile ring shaped packing or sealing device. Operating temperature, the desired polymer group or seal hardness. Squeeze inches oring cross section diameter in inches gland depth. Parker oring handbook 5700 handbook introduction 12 seals build with the best. Parker hannifin corporation oring division 2360 palumbo drive, lexington, ky 40509 phone. Oring installation design and specification for dynamic. These are the sizes that are most readily available. Butyl rubber has been tested in face type oring seals using grooves that provided 15%, 30% and 50% compression. Minnesota rubber and plastics standardline products are made from materials having a hardness of 70 shore a. An oring is a solidrubber seal shaped like a dough nut or torus. Select an oring crosssection size from the available standard sizes.
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