Oring groove design mechanical engineering general. Cadtek systems solidworks elite training and support 9,484 views. Parker oring handbook goes digital oring ehandbook. With a face seal, simply match the id of the oring to the od of the oring groove. Oring compression this says how much interference this is before compressing the oring. The design of the groove where the o ring sits plays a major role in how the o ring performs its sealing role.
If the design passes, continue undoing deletions onebyone until you find the lines that are causing the issue. From the chart below, identify your nominal oring desired size, then your oring gland depth requirements. From the chart below, identify your nominal o ring desired size, then your o ring gland depth requirements. Determine the maximum clearance present in your application. Convert is an easy to use unit conversion software program that will convert. The o ring calculator calculates the most relevant size o ring for any given groove. The oring groove calculator enables engineers to specify an oring groove for any given oring or vice versa calculates the best suitable size oring for any given groove. Choose a standard size as568 oring using this oring size chart. Both are interlinked, thus ensuring the best possible combination of the. Browse the function and availability of each groove design. The original formats of the printed catalog and searchable pdf will still remain available via parkers catalog services and the oring division website.
Also, the groove width is generally less, as ptfe orings are much less likely to roll in reciprocating applications than their elastomeric counterparts. Ive used the parker oring handbook successfully for other lower pressure approx 3,600psi designs. 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. Therefore orings are subject to friction against the gland. Our userfriendly and easy to use o ring calculator is now available. The recommended inner diameter is found by stretching the o ring circumference by 2% over the minimum groove diameter, the suggested groove width follows from, more information is provided on the design guideline page.
How to design and calculating the proper groove dimensions for the installation of orings. In order to seal properly, the oring has to deform in the application by being compressed and stretched in any number of ways. Oring seals for static and nonrotary dynamic applications. Select an oring crosssection size from the available standard sizes. In 2015, parker hannifin corporation launched an interactive digital reference guide to enhance and broaden the customer reach of the existing parker oring handbook, the parker oring ehandbook. We fabricate over a dozen materials in hundreds of different material styles. 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. This metric o ring groove design reference guide will help you find the right radius, backup, pressure and other o ring dimensions for basic applications. O ring groove design contact us for assistance or samples designing the parts of an application where o rings will be applied is broadly termed o ring groove design. The groove must be designed to accommodate not just the oring size, but also its intended usage. Design and dimension the groove that your oring will go into by researching our oring groove design guide. Reference charts for designing the right oring groove dimensions for optimal oring performance, then order orings online from the worlds largest oring inventory network. First, in dynamic sealing applications there is relative motion between the parts of the gland.
We have a part that uses a triangular o ring groove similar to what is shown in parker o ring handbook design chart 46 on page 421. Once you find the right oring groove design you can easily order online from the worlds largest. 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. Choose menu edit undo to add one line back to the drawing. An oring is a simple and versatile ring shaped packing or sealing device. Select a quadring brand crosssection size from the available standard sizes. To complete the o ring design process, the o ring material needs to be specified based on the seals anticipated environment. Otherwise contact us and we can custom mold any size or shape oring you need. Metric o ring groove designs vary greatly and choosing the right one for your application is important for maximum o ring performance. The apple rubber seal design guide was first published in.
Gap mm info sealing gap mm calculated values at excentrical position of rod. Metric oring groove design contact us for assistance or samples click here and contact us today to receive a free quote or if you have any questions regarding sizing. Browse design considerations and recommendations for static face seals, metric o rings, static dovetail o rings, static rodpiston o rings and dynamic rodpiston o rings. Ficient design static oring groove design mechanical. For more than 50 years, the parker oring handbook has been an engineering staple of the sealing industry. This metric oring groove design reference guide will help you find the right radius, backup, pressure and other oring dimensions for basic applications. Delete each line one at a time, and repeat for each view. For static application, i recommend 3040% compression, so lets say 35%. An undercut or dovetail groove has proven beneficial in many applications to keep the oring in place.
After you have verified your nominal oring size functionality within your assembly, specify design your oring groovegland. Oring installation design and specification for dynamic. Great design variety special shapes, x and drings are also on offer. Oring groove design plays an important part in how an oring seals. A is the internal diameter of the bore, c is the external diameter of the piston, f is the diameter of the groove, d is the clearance between the piston and the bore necessary for both installation and to prevent the oring from too much compression, p is the depth of the groove, g is the groove width and r is the radius of the groove edges. With the o ring calculator, engineers can specify the groove dimensions for a specific o ring or a specific groove. O ring groove design guide for static id od rod piston glands. Quadring brand seals for static and nonrotary dynamic applications.
As568b cs depth inches % liquids gases radius004 to050. Choose menu job priceanalyze and see if the design passes. As important as the oring seal itself is the groove that the oring seats into. Designing the parts of an application where o rings will be applied is broadly termed o ring groove design. Grooves for ptfe orings are similar to those for rubber orings, except that less squeeze is applied, due to the relative stiffness of the material.
An o ring is a simple and versatile ring shaped packing or sealing device. For existing applications, there is no need to change the design or procedures. Browse design considerations and recommendations for static face seals, metric orings, static dovetail orings, static rodpiston orings and dynamic rodpiston orings. The whole assembly is secured with a single bolt that passes through a tab on the outlet pipe into a threaded boss on the turbo compressor housing. Available now our user friendly and easy to use the o ring groove calculator. After selecting a material that fits your sealing application, you can continue by having the size selector calculate the oring dimensions and tolerances. This movement creates design challenges different from those of static.
The design of the groove where the oring sits plays a major role in how the oring performs its sealing. Oring stretch does not apply to face seal applications. Worldwide unique online calculation tool taking into consideration of the thermal expansion of. When designing an oring gland also commonly called the oring groove there are two application types to consider. Once you find the right o ring groove design you can easily order online from the worlds largest. O ring cross section and o ring groove design data from row, inc. We have been using this particular design for over 5 years without problems. Jun 16, 2016 design analysis via mobile inphorm parkers oring calculator the oring ehandbook is expected to bridge the generation gap, filling the need for all learning and reference styles.
Also, the groove width is generally less, as ptfe o rings are much less likely to roll in reciprocating applications than their elastomeric counterparts. Oring groove design guides for face seal flange, dovetail flange, static cylinder and piston, and dynamic cylinder and piston designs. Dovetail oring groove design dovetail grooves are used to hold the oring inplace on a face seal groove during during assembly and maintenance of equipment. Available now our user friendly and easy to use the oring groove calculator. O ring size gland depth f groove width g piston groove b. Designing the parts of an application where orings will be applied is broadly termed oring groove design. The design of the groove where the oring sits plays a major role in how the oring performs its sealing role. Evaluation of both, any combination of oring and groove. O ring groove design is a key consideration in the o ring selection process. Determine the maximum percent gland fill using equation 6.
We have a part that uses a triangular oring groove similar to what is shown in parker oring handbook design chart 46 on page 421. Here you will find an oring groove design guide to help you with your oring gland dimensions. Refer to the table above to determine the groove width for the quadring brand crosssection size you have selected. In order to seal properly the oring has to deform in the application by being compressed and stretched in any number of ways. This is the most straightforward of groove designs. If you are using a backup ring in your application, increase the groove width by the maximum thickness of the backup ring. Groove design o ring seals for static and nonrotary dynamic applications.
The o ring groove flange principle is significantly different to other flanges. Parker recommends utilizing our design tools mobile inphorm and the o ring selector design software to guide the user through the design and selection of an o ring and corresponding seal gland. Oring groove design is a key consideration in the oring selection process. What command do i use to place an oring groove on a shaft as shown in the attachment. O ring selection and groove design assistance the bore is 48mm, and the stock output pipe has an o ring on the end that fits into the bore.
Oring calculator helps you to select the recommended oring sizes based on the groove or any size given. Locked into the dimensions for the existing regulator valve groove, we determined the best option was not a standard oring but a custom molded rubber part with an oval crosssection. These oring groove design guides offer default dimensional guidance for basic oring groove design applications. After you have verified your nominal o ring size functionality within your assembly, specify design your o ring groove gland. Im constantly amazed and honored at how often i run. Jul 10, 2009 solidworks 2010 design library hints and tips duration. Oring cross section and oring groove design data from row, inc. The oring selector covers both imperial and metric standards. Oring groove design guide for static id od rod piston glands.
Depending upon the design method used the interface pressure may be considerably higher than the. Oring groove design, oring groove dimensions mykin inc. 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 you are unsure what crosssection size to use, see here. Triangular oring grooves mechanical seal engineering eng. Solidworks 2010 design library hints and tips duration.
Groove design for oring installation oring groove dimensions may be calculated as follows. Displays the diameter of the selected cylindrical face, or no selected diameter mate diameter. Both are interlinked, thus ensuring the best possible combination of the calculated oring size and material choice. Square rings fit in oring grooves and are interchangeable size for size. Grooves for ptfe o rings are similar to those for rubber o rings, except that less squeeze is applied, due to the relative stiffness of the material. Oring handbook parker hannifin oring division europe. Flanges using flat gaskets or metal rings must apply considerable loads to the gasketring to provide a sealing interface pressure. Methods of installation designing the parts of an application where orings will be applied is broadly termed oring groove design. The o ring groove calculator enables engineers to specify an o ring groove for any given o ring or vice versa calculates the best suitable size o ring for any given groove.
Technical data static oring axial face seal glands. Metric oring groove designs vary greatly and choosing the right one for your application is important for maximum oring performance. O ring groove design israelkk aerospace 24 mar 17 15. O ring calculator helps you to select the recommended o ring sizes based on the groove or any size given. Parkers calculators not only address standard oring sizes, but allow users to custom design oring glands and seals specifically for their application. Oring design, oring design guide, oring seal design. Select an oring crosssection size from the available standard. Squeeze is the diametrical compression of the o ring between the bottom surface of the groove and the surface of the other mating part in the gland assembly. If there is still no match, then the only remaining options are to change the design of the bore or groove or both. The primary reason for using a square ring in a sealing application is that they perform the sealing function in a superior manner and at a cost lower than any other comparable sealing device. To complete the oring design process, the oring material needs to be specified based on the seals anticipated environment. We have been using this particular design for over 5. Orings that are allowed to sit in grooves freely or. In order to seal properly the o ring has to deform in the application by being compressed and stretched in any number of ways.
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