Click Done. When placed together, the boards lock tightly to one another. Regardless of the rifle type and dovetail width, this unique design is notched onto the rifle's receiver, barrel or slide. Influence of Grooved Base Plate on Microstructure and Mechanical Strength of Aluminum–Stainless Steel Explosive Cladding. Machining an o-ring dovetail face groove is an expensive operation, primarily due to the very small diameter dovetail milling cutter that must be used for the undercut. Parker O-Ring Vacuum Sealing Guide is a comprehensive pdf document that provides technical information and best practices for designing and selecting o-ring seals for vacuum applications. Clamping freedom that goes beyond the edge; The Match Fit Dovetail Clamps profile fits a 3/8" deep groove made using 1/2" diameter, 14° dovetail router bit. In radial grooving, the groove is cut perpendicular to the axis of the workpiece, effectively radiating out from the center of a cylindrical part. 형성된다. Chuo Precision Industrial. 4. 4c, dovetail grooves with one side cut off were located at positions 9 mm left and right from the center of the contact surface. O-Ring Size Charts O-ring, x-ring and square ring size charts. O bag Groove Design Creole. Get the Katz-Moses Magnetic Dovetail Jig here: week’s woodworking joint of the week is the Half Blind Dovetail. This type of wood joint is assembled by sliding. The insert design is optimized for strength by utilizing a left/OD and right/ID insert pair to generate. The wall inclination creates a groove with a. It starts with the head that fits in standard dovetail grooves without the need for a track. The rugged polyurethane encapsulated switch features an innovative design that incorporates a hard nylon shell. The Picatinny design consists of a strip undercut to form a hexagonal cross-section with crosswise. 30°, 60° and 45° angles. Made of solid carbide, they are harder, stronger, and more wear resistant than high-speed steel and cobalt steel for the longest life and best finish on hard material. • Encourages the shielding perfor-mance illustrated in the ShieldingTry to keep the depth of the dovetail groove between 1/3 and 1/2 the thickness of the part. Anywhere a maker can mill this groove, a clamp can be added and used. Instead of box-shaped projections, its profile has more of a wedge shape resembling a dove’s tail. Adjust the router-table fence so it stops the workpiece to help you cut the groove the desired distance from the end of the workpiece. 'Dove Tail' styled O-ring grooves are commonly used to hold an O-ring in place during assembly and maintenance. EPDM O-Rings. 4-10 Parker Hannifi n Corporation • O-Ring Division 2360 Palumbo Drive, Lexington, KY 40509 Phone: (859) 269-2351 † Fax: (859) 335-5128 Static O-Ring Sealing Parker O. For designing systems which contain internal pressure, like the example below, the groove's outside diameter (OD) is primary, and the groove's width then determines the inside diameter. Parker Hannifin2360 Palumbo DriveLexington, KY 40509Ph: 859-269-2351Fax: 859-335-5128 oesmailbox@parker. Once you find the right o-ring groove design you can easily order online from the world's largest. Click Create. We have included Static, dynamic, and pneumatic applications. The extra void space in the design allows the O-ring to swell slightly due to thermal expansion or. A sliding dovetail joint is a variation of the traditional dovetail joint, characterized by a single, elongated dovetail-shaped groove that slides into a corresponding slot, fitting snugly together. wide with saddles to 36 in. Re: Dovetail Grooves with Part Design Workbench. The shape of the O-ring groove depends on the application for the O-ring and can range from triangular to rectangular to dovetail. Reasonable design of the cavity shape of the damping hole effectively reduces the leakage rate of the hole-pattern damping seal (HPDS). Fax: 859-335-5128. 00. Surface Finish X groove top and bottom : for liquids X = 32 micro inches (0. Especially if the oring groove does not allow for the oring to extrude itself into the corners (assuming dovetail or flat bottom groove) On a 3/32 (0. Dovetail Cutters-Long Reach. This groove can either be extruded, or machined using a special dovetail cutter which is available from Spira. 100, . Design Chart 4-4: Dovetail Grooves. G Static O-Ring Sealing. The dovetail groove has inclined sidewalls, making it look like a dovetail, hence the name. 103″. 2016. Please contact Greene Tweed engineering for help or advice if required as some applications are difficult to optimize both at ambient and operating temperatures. Try for free View pricing. For a bore (piston) seal:O-Ring Min Groove Diameter. The Katz-Moses Magnetic Dovetail Jig* ( 1:6 or 1:8 models): This simple tool dramatically cuts down the learning curve of dovetails to instantly increase your accuracy — and yes, they still count as hand cut. AIR1108. These charts give dimensional information relating to standard and o-ring and dovetail o-ring grooves. This is SolidWorks video tutorial about 3D Dovetail slide block model design for beginners, showing SolidWorks Swept cut feature application. † This groove width does not permit the use of Parbak rings. Here is a dovetail joint in action with the Impossible Dovetail Box from Thingiverse. A wider dovetail offers more support. Tongue and groove joinery can also be used to form square joints. Here is how you can add dovetail joints to SolidWorks models really easily. A dovetail face seal is a special static gland designed to retain the o-ring in the groove. See the Dovetail Groove Cutter data sheet for more information (page 36). However, installing an O-ring into these grooves can be tricky without proper technique. I have tried normal push/pull and a simple follow me but to no avail. These charts give dimensional information relating to standard and o-ring and dovetail o-ring grooves. The dovetail groove construction is only recommended for O-rings with cross sections of . 5 mm). Dovetail groove cutters are the tool needed to cut a dovetailed groove, recommended for many of Spira’s groove mounted gaskets. 일반 O-RING에 비해 마찰계수가 낮고 압축율 (Squeeze)이 적어. In the Groove Selection section, you are asked to select the face where the groove will be cut into and the edge on which to cut the material out of relative to the selected face. Dovetail Joint. Dynamic sealing applications use this groove, such as in pneumatic systems. It also provides detailed tables and charts for various O-Ring sizes, materials, and standards. Five degree sloping sides are easier to machine and are suitable for lower pressures. Because of the difficulty in creating the groove and tight tolerances required, this type of seal application should only be used when necessary. 50 – $ 110. • The first is overfill from high volume caused by a very small gland. Harvey Tool's fully stocked selection of O-Ring Slotting End Mills are optimized for machining O-Ring grooves, and feature a stub flute length for improved strength. O-rings in vacuum sealing. As discussed in more detail below, a. 412 . 200 info free groove volume at inst (%) radius (mm) Max. 이웃추가. The method used to produce the finish is important. The groove design allows the O-ring to be retained in the axial/face seal during assembly and maintenance. The KLICK connector serves as a non-visible, snap-in connector for components with small dimensions, such as Moulding and trims. According to the company, the insert design is optimized for strength by using a left/OD and right/ID insert pair to generate the. The oil grooves will be in the short element - the. 188”. For bolted flanges or open & close lids. 12 C. O-ring calculator with complete design analysis. [Features] · An HSS cutter that corresponds to the O-ring with groove specification. In addition, this PIP seal minimizes seal wear on groove corners and removes the parting line from. The groove design allows the O-ring to be retained in the face seal during assembly and maintenance. 5 kgF at 120°C and 260°C test temperatures and was selected as the anchoring design for optimization. The result will be that the ring will extrude itself under that temperature cycle. However, this is an expensive groove to machine, and thus should be used only when absolutely necessary. Download the pdf to. This groove is not common because it is more expensive to machine, but this dovetail groove can avoid seal extrusion out. For exact details, refer to manufacturer catalogs . The four-lobed design produces a more secure seal to counteract spiral twisting. . VMQ Silicone O-Rings Material. How To Layout A Dovetail Box. Features long reach and reduced neck styles for deep pocket machining, as well as corner radius geometries for strength. . . Dovetail seal Also here there is a metal to metal con-tact as long as the construction will not deform under system pressure. 625”. The most important variable for installing an O-ring into a dovetail gland is making sure the seal is sized properly. Download it for free and enhance your knowledge of sealing technology. However, this is an expensive groove to machine, and thus should be used only when. e. Tongue and groove joints allow two flat pieces to be joined strongly together to make a single flat surface. 1. , Japanese JIS, British BS and Common Metric o-ring size charts. Designed to the Standards Suggested by the O-Ring Division of Parker Hannifin Corporation (ORD 5700/USA, ORD 5700) Designed for Milling Full Dovetail Grooves with Drop Hole Allowance. Reset Custom Tolerance. a lid which opens regularly. A viewer shot in a request on how to make an o-ring groove in Alibre. • Attaching turbine blades to jet engine. Based in Victoria BC, Platinum Floral Designs offers high end, affordable, custom floral design services with an emphasis on seasonal, sustainable, local flowers. Metalworking’s leading information resource. . The dovetail groove construction is only recommended for O-rings with bigger cross sections, . In addition, the present invention provides a closed. Simply route a groove anywhere you need using a 1/2”–14º dovetail router bit. Learn More > Contact. 12. See full list on globaloring. NX Shortcut Keys - View Full List and Create Custom Keys. A dining table commission came into the workshop recently that required an oak ( Quercus robur) base capable of holding a 100kg concrete top. Surface Finish X groove top and bottom : for liquids X = 32 micro inches (0. Dovetail Designs Ltd. Parker Hannifin Corp. Rifles are designed with. April 19th, 2023. . Putting the angled face to the outside renders it useless for retaining the o-ring because the o-rings is pulled towards the straight side by its tension. 20 - Standard Grooving Tools. Manufactured by Kaiser Tool Company, the Groove ‘N Turn line includes dovetail grooving inserts that machine O-ring dovetail grooves with 66-degree undercut angles. Retaining Ring Groove. But an insufficient radius will potentially cause damage to the O-ring during installation, while an excessive radius may result in extrusion failure. Racetrack Groove Calculation. -Material: Ductile iron . Groove widths less than . In the dovetail groove design, radius r1 never contacts the O-ring – so it does not affect the seal. (2) The interfaces between 5083 aluminum alloy and Q345 steel with dovetail grooves were. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. Learn More > Contact. 쿼드링은 사각에서 씰링 역할을 하므로 압력의 부하분포가 고르게. Center the jig appropriately and cut the tails, again following the instructions that accompany your dovetail jig). Dovetail Gland Dimensions: Table E, p. Press-In-Place Seal – one flat surface has a groove design cut into it to retain the O-ring in the gland; Piston Seal – split ring in a reciprocating engine to prevent fluid from. Because they can be expensive to machine, O-ring grooves should only be added when necessary or for metric O. Gland Design for a Static Application; for O-rings in Dovetail Grooves, INCHES. 5. Ph: 859-269-2351. • Improved connection and various drain/vent ports – minimizes exposure to contaminants and maintains high performance of the housing in high-pressure applications. The top is wide and the bottom is smaller, you can easily put the dumbbell back on the dumbbell base. When used as a face seal involving either internal or external pressure, the o-ring should. These O-rings have cross sections of 0. The modified dove tail groove geometry, using the Parker O-Ring Handbook as a guide, is provided in the attached sketch. A sliding dovetail joint consists of a long groove with angled sides to serve as the tail for the sliding dovetail joint, while a corresponding long pin is cut into the end of the adjoining board. If you’re printing FDM, I would use a soft sheet gasket clamped between flat flange surfaces instead of an o-ring, you’re more likely to get a good seal on the rough printed. It's the quickest sliding dovetail joint to make, and adds both visual interest and strength to projects such as display shelving. The mounting platform is a 1. Dovetail grooving inserts are used to machine O-ring dovetail grooves with 66-degree undercut angles. Take the dovetail guide and align it to the groove on the top of the base. O-Ring groove design +. Choose between more than 30 groove materials and 11 O-ring compounds! Benefit from a modern user friendly design and be guided from design rec-ommendations from info boxes. Create a "slave" part that has no cut dovetails (beige part). Catalogue. Parker O-Ring Handbook - ORD 5700 pdf. Advantages. Use this tool for analyzing your current gland and o-ring combination. Create a "master" part with the cut dovetails (brown part). Expressing these rules as formulas: y = b - D ( 1 + cot 1/2 α ) Home. An. 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. Gland Design for Static Application for O-rings with Radial Squeeze Industrial Radial Glands INCHES. Dovetail O-Ring Groove Design Learn More About Dovetail Groove Design for O-Rings . Gland Width (G) Gland Depth (L) RadiusWith a miter joint, each piece of wood is cut at a 45-degree angle. To help you maximize o-ring performance, this dovetail o-ring groove design guide provides default recommendations to find the perfect o-ring dimensions. The face seal design chart below explains the hardware dimensions to use for an O-ring seal when the groove is cut into a flat surface. . . Gadget. Specialty Profiles. Learn More. Used to prevent the O-Rings from falling out of the Glands. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent. LIKE | SHARE | SU. Groove width Design Guide 4-2: Guide for Design Table 4-2. 5 Bar (1500 psi), consult Design Chart 5-2 for groove widths where Parbak rings must be used. From the Charpy test, it was observed that the toughness of the T-groove and the dovetail sample is 100% more than the sandwich composite without grooves. The contact surface between the wear-resistant ceramic sheet and the vulcanized rubber in the rubber coating of the ceramic drum adopts a good "dovetail groove" design, which makes the contact. , (800). Cut along each of the lines and chisel out the waste between the pins. 20 - Metric Grooving Tools. It’s like an infinite supply of T-track without the cost of T-track. For example, if the gable of a chest of drawers is 3/4″ thick, machine the dovetail groove between 1/4″ and 3/8″ deep. Example: Based on your groove dimension in a static application, you are looking for an O-ring with 308 mm inner diameter and 5 mm cord thickness. This joint is best achieved in a hand-cut. 11:29. The dovetail groove construction is only recommended for O-rings with bigger cross sections, . Try not to get any glue on the edges of the top, as it should float freely in its groove. g. This design allows the interlocking strength of a dovetail. Standard dovetail-slide sets range from a couple inches to 20 in. Once your design is complete, easily order o-rings online from the world’s largest o-ring inventory network. How to Unlock macOS Watch Series 4. You can also visit our Mobile inPHorm which is an engineering resource for material selection and gland design for O-ring applications. Triangular Crush Groove Design. Standard dovetail-slide sets range from a couple inches to 20 in. An undercut or dovetail groove has proven beneficial in many applications to keep the o-ring in place. Create Device Mockups in Browser with DeviceMock. and O. CNC, Swiss, Conventional and Round toolholders of various sizes and orientations available. Select a size to buy standard and custom o-rings from the world's largest inventory network or custom orders can be made within a few weeks, typically without tooling fees. These dovetail inserts can be used on conventional, Swiss-type and CNC machines. The angle of orientation usually lies between 60° and 90°. groove shape Ball shaped High stiffness Small deformation capabilities Avoid metal to metal contact (Particle generation) Big influence of geometric tolerances Dovetail shaped Low stiffness Large deformation capabilities Metal to metal contact possible (design measures)Installers can drill, tap, or machine the sets to accommodate specific mounting requirements. Good Design Principles. This groove design is rela-tively uncommon as it is expensive to machine and should not be used unless absolutely required. As shown in above figure, an O-ring also gets compressed axially in a dovetail groove. “D” Multi-Seal is a groove-mounted gasket with a bulbous silicone elastomer for an excellent environmental seal. Calculated Results. From the Charpy test, it was observed that the toughness of the T-groove and the dovetail sample is 100% more than the sandwich composite without. Need space in groove to allow for volume swell, thermal expansion, and increasing width due to squeeze. The top is wide and the bottom is smaller, you can easily put the dumbbell back on the dumbbell base. Besides the base and saddle, most dovetail slides have four other parts. Dovetail interlock design Technical Bulletin Dovetail interlock design Large sealing areas used in transmission and. This dovetail o-ring groove design guide will help you find the right dovetail o. This is beneficial for special applications where the O-ring has to be fixed by the groove e. 090, . An undercut or dovetail groove has proven beneficial in many applications to keep the o-ring in place. O-Ring Groove Design Engineering Guide. You just position it according to where the groove should be and revolve around decired axis. The dovetail groove described in Design Charts 4-4 and 4-5 will serve this function. Circumferential blade root fixings have been used extensivelyThe actual turning method may vary based on the specific groove design, workpiece material, and lathe capabilities. 030, . O-ring design guides include o-ring sizing charts, o-ring groove design references, o-ring chemical compatibility guides, o-ring tolerances and failure analysis guides, and o-ring material selection. 53mm) and bigger. Their extreme hardness means they are brittle, so a highly rigid setup, such as a CNC machine, is necessary to prevent. O-ring Groove Design in 3 easy steps: Step 1. Boss seal The groove dimensions are incorporated in the standard dimensions. An undercut or dovetail groove has proven beneficial in many applications to keep the o-ring in place. This groove design is relatively uncommon as it is expensive to machine and should not be used unless absolutely required. The cross. The O-ring must have room to expand laterally in the groove due to axial compression. If the O-ring size required is known, simply select the AS, BS or ISO standard (such as AS568) and enter the dash size reference. Download PDF . An undercut or dovetail groove has proven beneficial in many applications to keep the o-ring in place. The dovetail groove holds the seal in place so it cannot fall out while allowing area in the Dovetail grooves are a great mechanism for holding O-rings in place. The MATCHFIT dovetail track system allows you to create your own tracks with just a router bit. Ted . Once the sight correctly starts into the groove, use a sight adjustment tool to push the sight into its final centered position. 2" Dovetail Deck 3. This o-ring gland design guide is intended for use in specifying o-ring and gland dimensions for static applications Dichtomatik North America. A recommended solution for retaining the o-ring is a dovetail gland. 005" or . use a ruler to measure the edge of the sight base to the edge of the dovetail groove. The breakthrough dovetail clamps are design gives you the freedom to create your own tracks grooves using a dovetail router bit to clamp virtually anywhere. Available in 2” and 3. Face seal o-rings pop out easily, yeah. Calculate the O-Ring groove dimensions. Groove. In radial seal applications. Also known as a wood center mount drawer slide, these sliding dovetails can be made using just your table saw and doesn’t require any sort of #tablesawjig th. Typically, the completed tail piece then serves as a template for marking and cutting the pins in the pin piece. But an insufficient radius will potentially cause damage to the O-ring during installation, while an excessive radius may result in extrusion failure. Select a body or component on which to create the lip. , have a linear orientation from the trailing face 158 to the leading face 160, and the dovetail groove 162 may be linearly oriented as well. O-Ring Compatibility O-ring compatibility information for. 6 μm Ra) O-ring Groove Design in 3 easy steps: Step 1. The dovetail groove has a trapezoidal or dovetail-shaped cross-section. 2. In the Grooves dialog box: To create an O-ring groove, click the O-Ring Grooves tab. Design Charts II & III (see pp 7-8) provide dimensional recommendations for full and half-dovetail vacuum seal O-ring grooves. Do this by taking a chisel and placing it at one end of the base, along the groove, and sliding the guide up to it, then doing the same thing at the opposite end. The Apple Rubber Seal Design Guide makes “Seal Thinking™” even more accessible. 12. Also called a “tip off” mount, the dovetail rail allows the shooter to easily remove and replace mounted optics. Squeeze (%) Help. Modifications to. Formed in this manner, the rotor blades 126 may be axially inserted into the dovetail grooves 162 a linear fashion. O-Ring groove 자료를 찾아보면 Depth, Width 부분에 있어 약간씩 차이가 있고흔히 clearance/gap 이라고 하는 부분은 지정해주는 카탈로그도 있고 하기의 "F" 값만 주고 clearance/gap 은 명기하지 않는 경우가 대부분임설계자가. Dovetail is a unique design which allows installation of mounts on various rifles. This can make them challenging designs when it comes to overfill. Select the type of O-ring groove - piston, rod, face seal or trapped seal. (I used a 14°, 1/2″ wide bit, the standard for half-blind dovetail jigs. Spira offers both standard and custom-sized. Choose whether you are working with existing hardware or designing new hardware. Manual Z-Axis Stages - V-Groove Cross Roller and Dovetail, Rack & Pinion, Long Travel, 40X50. Compare x-ring material compounds and easily order online from the world's largest x-ring inventory network. Refer to the O-Ring Handbook or consult a Parker applications engineer for assistance in sizing O-rings to dovetail glands. O-Ring Groove design plays an important part in how an o-ring seals. EDM Grinding Laser & Waterjet. The spiral is tin plated for superior conductivity and shielding properties. Our custom KLICK Dovetail Router Bit is specifically designed to route the groove for the KLICK and sKLICK. The dovetail groove construction is only recommended for O-rings with bigger cross sections, . like a circular machine slide type groove then I would say the market is very small. The retention feature makes having an upside-down or vertical face seal groove much. . Let's assume a knee type milling machine with dovetail ways for all three axes. · TiAlN coating is adopted for heat resistance and wear resistance. To add more grooves, select a new position on the model and repeat steps 4 and 5. Continue to 9 of. A half-blind dovetail jig makes it easy. For dovetail grooves, match the centerline of the groove with the centerline of the O-ring. † 309 . Quad Ring benefits include: Less wear due to low friction, thus providing a longer service life. The most important consideration for gland design is that it allows for proper and complete compression between the groove and the surface mating to it. 쿼드링. For vertical O-ring applications (as a chamber), it is desirable to use an undercut groove similar to that shown in Figure 1. Coefficient of thermal expansion (1. Everything To Know About OnePlus. Covering 1 groove and other applications of groovesMaterial covered:Dovetail grooveCurvatures and groovesPinning groovesFasteners with groovesToy design groo. The tongue is a piece of the wood board that sticks out, and the groove is the space it fits into on the adjacent board. Certain authors have suggested the use of additional means of secondary retention in class III preparations of primary anterior teeth. Static applications: stretch the diameter by up to 5% and compress by up to 3%. • Upgraded o-ring groove design – half dove tail o-ring groove design protects the o-ring from being separated from the housing during filter changeout. Dovetail Groove-2%: 5%: Dovetail Groove – Sidewall Height. . Design points of this design: The design point is the overall shape of the product. A second flat face then seals against the. Dynamic Vacuum Sealing There is very little data available on dynamic vacuum seals, but reasonably low leak rates have been reported using two O-rings seals Dovetail grooves are used to hold the O-ring in-place on a face seal groove during during assembly and maintenance of equipment. The MATCHFIT Dovetail Clamp profile fits a 3/8” deep groove made using a 1/2” diameter, 14º dovetail router bit. This paper proposes four. The online O-Ring Calculator offers engineers and professionals a quick and easy way to calculate O-Ring dimensions and the appropriate housing layout in accordance with the international O-Ring standard ISO 3601. With a 10x20 cm cross-section that seems like it might be more doable if I'm understanding the. Thus 9. In this case, the groove is cut into the surface of the board and the tongue is milled on the edge. The groove dimensions must be entered in the program. O-Ring Groove. Rework can also be reduced, as the seal cannot be installed incorrectly or inadvertentlyDovetail grooves are used to hold the O-ring in place during installation or maintenance. For male gland seals, an o-ring is installed in a groove that is machined into the OD of the “piston. We have been very fortunate in the many opportunities we have had to work with dedicated and gifted engineers. There is a weight visualization hole next to the weight adjustment dial, you can quickly see the change of dumbbell weight, which is intuitive and so convenient. Radius r2 is a critical parameter for improving sealing performance. Dovetail Groove Design Charts Cross Sectional Dimensions AS568A Series O-Ring Cross Section Gland Width Squeeze Gland Depth Gland Corner Radii Actual. For technical assistance with any of. . Dovetail groove cutters are the tool needed to cut a dovetailed groove, recommended for many of Spira’s groove mounted gaskets. The weight of the top coupled with the client’s design meant some sturdy joinery was required for the legs and rails. Route a groove with a ½” 14-degree dovetail router bit. D. --. Finden Sie die korrekten Abmessungen und Toleranzen für O-Ring und Hardware. a lid which opens regularly. Sa a se yon Groove chè nan machin, sepandan, e konsa yo ta dwe itilize sèlman. Markez® O-Rings FFKM. 200 info free groove volume at inst (%) radius (mm) Max. products. Dovetail seal Also here there is a metal to metal con-tact as long as the construction will not deform under system pressure. Static Gland SealHalf Dovetail Groove. Mills Both Top and Bottom Radii. 4 Common Mistakes in Designing for an O-Ring Axial Face Seal | Hot Topics #37. O-Ring groove 자료를 찾아보면 Depth, Width 부분에 있어 약간씩 차이가 있고흔히 clearance/gap 이라고 하는 부분은 지정해주는 카탈로그도 있고 하기의 "F" 값만 주고 clearance/gap 은 명기하지 않는 경우가 대부분임설계자가. Dovetail grooves are used to hold the O-ring in-place on a face seal groove during during assembly and maintenance of equipment. Compared to traditional O-rings, the Dovetail Seal offers better seal integrity, reducing the potential for process / contamination and allowing for more than twice the sealing force. It's what you don't see that makes it a. The retention feature makes having an upside-down or vertical face seal groove much easier. A hard thing to fix with dovetail grooves is the expansion issue. The dovetail groove samples show a 11% decrease in flexural strength compared to the ones without grooves, this is due to the uneven distribution of resin through the grooves. An undercut or dovetail groove has proven benefi cial in many applications to keep the O-ring in place. . So my issue is that, someone gave the major diameter of the dovetail a positional tolerance and made it a datum feature. The MATCHFIT Dovetail Router Bit is designed especially for the MATCHFIT Dovetail Clamps and dovetail hardware. Design Groove; Design O-Ring; Input O-Ring & Groove; Application info temperature (ºC) info pressure. In the dovetail groove design, radius r1 never contacts the O-ring – so it does not affect the seal. Common examples for where a drop-hole would not be allowed include: In high pressure applications. This section of Seal Design determines if any standard o-rings are available for an existing groove. fax: website: employees: ~ 3 employees work at this location. John R. Doing one in a groove that is less than 1/32" wide is extremely challenging. wide with saddles to 36 in.