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