With self-piercing and flow-form rivets, along with the more complicated and costly tooling, becoming the norm in collision repair, there is much discussion around one standard question: Do I really need to use the OEM fastener? The answer is yes. Trying to reengineer the repair by using alternative fasteners is a recipe for disaster. Squeeze the rivet gun to pull the rivet mandrel. Some mandrels, like on a blind pop rivet, also retain a portion of the mandrel within the rivet body, providing a higher strength connection. Anyone in the auto body collision repair industry has heard about the CO2 emission standard updates and CAF (Corporate Average Fuel Economy) guidelines. shops that specialize in rivet bonding so they can steer policy holders to the There are many benefits to using rivets.
T-Rivets:T-Rivets are a type of peel split rivet. Once in place, slide a rivet gun with the proper sized adapter over the rivet mandrel until the adapter is flush against the rivet body surface. Hi Michael.
The tech was welding in the quarter panel instead of using glue and rivets. You can repair them with a patch panel kit, rivets and adhesive. This created the need for a cold bonding method to be introduced. Second, a state violation could be imposed for not following OEM repair procedures (Fine, loss of license, and court litigation.). Closed End Rivets have a cup-shaped end that forms a tight seal against the bonded materials and captures the end of the mandrel within the rivet body for added strength.
The constant fluctuation of equipment, fasteners, adhesives and procedures can be challenging, and sometimes frustrating, but this is the norm now. steel rivet, and then cause corrosion when exposed to electrolytes like road Next, he tool clamps the panels together. in question may be forced to do the work all over again. The rivet pierces the top sheet and the die shape causes the rivet to flare within the lower sheet to form a mechanical interlock. As the name suggests, pre-drilled holes are not required, allowing the joint to be made rapidly in one operation. When youre satisfied with the fit, take the patch off and clean the entire flanged area with thinner and wipes. repair procedures, resulting in fines, loss of license, and even court Second is vehicle safety. Lets take a look at why adhesives and rivets are being used more frequently today and in the future.
Many modern day collision shops and vehicle manufacturers have converted to a new system that uses more versatile fasteners and adhesives. Approved vs. Recommended which is it? Collision repair shops listed on Carwise are I-CAR and ASE to this site, and use it for non-commercial use subject to our terms of use.
an accident. The number one source for proper repair information is the OEM. As a result, The rivet is driven into the materials to be joined between apunch and die in a press tool. Its important that vehicle owners choose the right shop for the job when it comes to auto body collision and repair. Search your zip code now for a customer-reviewed auto body or glass repair shop nearby:www.carwise.com. Recently, I was conducting the I-CAR Steel welding certification test at a collision repair center when I saw a 2014 BMW 3 Series having a quarter panel being installed. Rivet diameter:Blind rivets are available in diameters from 3/32 to in 1/32 increments. Adhesives can be engineered to bond with multiple materials, which allows designers the flexibility to use the best,
To stop this, all rivet sites must be sealed. by otua | Jan 29, 2016 | Uncategorized | 0 comments, Proper Joining Methods: Adhesives and Rivets. And, sometimes those requirements include rivet bonding. closures, side and back panels, and headliners. Honda has been using high-strength and ultra-high-strength steel formulations
We must remain agile as we adapt to new methods, equipment and consumables. Phone: 727-559-7000 It is important to make sure that if a collision repair shop chooses to use adhesives, that they are using the correct one and correct application, including drying time. Humidity, temperature, corrosion and even ultraviolet (UV) light can all change an adhesives strength or bond strength. The die shape also causes a button to form on the underside of the lower sheet.
When these panels are later exposed to elements which cause a reaction between acid and liquid, the rivets cause the panels to corrode.
The entire approval testing process will generally take upwards of a year to complete, as some tests are lengthier. The rivet may be set flush with the top sheet when using a countersunk rivet head. No comments have been added yet. It goes on to state Never do MAG-MIG welding on 1,500 MPa steel. The repair industry is being asked by the OEMs to invest in new equipment and training to repair their vehicles properly to OEM pre loss specifications. and type, body shop managers and technicians have-to constantly stay updated on auto body and glass repair shops nearby by using the nationwide Carwise Lets look at the various types of rivets. Structural pull rivets are far from new in collision repair they have been used in recalls and service repairs on many vehicles because they require a much-reduced technical capability, as opposed to welding, to achieve a consistent and robust repair, while also requiring simple tools. Selecting the right blind rivet for your application requires understanding the rivet diameter, grip range, head style, flange size and corrosion resistance. If the shop cant Different vehicle manufacturers have standards by which repair shops must work. I spoke with the person in charge and explained that there was a problem with the repairs that were being performed.
In the repair process, it is necessary to have access to the back side of the material. Scratch and Dent is a straightforward, no hidden agenda shop.
Keep in mind that the service publications are live and updated constantly, so information saved from the last repair might have changed. Factory Collision & Restoration1163 Washington StEast Weymouth, MA 02189Phone: (781) 331-0113Mon-Thus 8:00AM 5:00PMFriday 8:00AM 4:00PMClosed Weekends, Choosing the Best Shop for your Auto Restoration, A Guide to the Four Levels of Classic Car Restoration, Dos and Donts of Restoring a Classic Car, Understanding Automotive Repair Shop Costs and Fees.
These rivets are commonly used to fasten soft or brittle material to a rigid backing surface. The vehicle engineers will determine everything needed for their particular repair operation, but you need to know the proper shank size to drill or punch the hole in the material. If youre looking for a closed end rivet that will grip up to 1/4, then check out our part number WF53314. on How is Rivet Bonding Being Used to Repair Newer Cars. With stronger and lighter materials being used in todays vehicles, we are seeing a combination of several different types of steels, together with aluminum, magnesium, plastics and carbon fiber. Large Flange Rivets are also low profile but provide twice the under-head bearing surface as a dome head rivet.
With these standards and materials in place, auto body collision repair shops are taking it upon themselves to train employees on all new procedures. forced to come up with innovative engineering designs without compromising vehicle 
This process is often called spec testing and follows a specific OEM standard, or standards, so it is repeatable and comparable data can be collected. The introduction of newer materials means less welding repairs, which were once used to bond heavy steel together. The answer is simple. For more information on Scratch and Dent and our current policies on rivet bonding, contact us today. Fig 8h taken from www.bolt products.com/images shows the definition and term when discussing rivets. Autobody News is a publication of Adamantine Media, LLC Copyrights.
While rivets are a tried and true method for joining auto parts, adhesives are often more versatile. Starting in 2015, trucks and automobiles are classified together. It also saves you money in the future should parts begin to erode due to a failure to properly seal rivet sites. as they provide rivet-bonding education through their website and other training
The measurement should be from the outside of the flange.
However, a structural adhesive in a crash critical area, like a rail or pillar, will always be highly tested before being referenced in a repair procedure and never just recommended without testing and data. He can be reached at, Written by Dave Gruskos from Reliable Automotive Equipment furnished me a diagram on the installation of a SPR. The two most important items in Fig 8h are the material thickness (also material type) and the shank size. As the collision repair industry increasingly embraces original equipment manufacturer (OEM) repair procedures as the proper way to fix vehicles, many are asking why why are things done a particular way and why are specific products and fasteners used? With a marketplace full of options for adhesives, rivets and even tooling to install the fasteners, its not uncommon to get overwhelmed. Required fields are marked *, 800.239.8149Connect With Us facebook pinterest youtube. Like many newer inventions, adhesives do not always last as long as more traditional methods. https://www.facebook.com/AutoBodyRepairNetwork/, https://www.instagram.com/ptenmagazine/?hl=en, https://www.linkedin.com/company/40735491/, https://www.youtube.com/channel/UCxBEkpoYgmG0r34_B3mOr4Q.
equipment. Why you should refrain from driving your car on empty. Technicians They are also a good option when securing two finished materials such as painted surfaces.
Look at Fig 7 taken from the web site http://www.adhesive test.com. Measure the cut section very carefully and transfer the measurements to a piece of cardboard. If they dont, the resulting
The type of material(s) that you are working on will help determine the type of rivet material that you choose. Your email address will not be published. All rights reserved. Automotive rivets are offered in several types of materials and material combinations.
A 1/2 grip range is usually the maximum length attained by standard mandrels.
Sometimes youll find two diameters listed, one for the hole size and one for the head size.
Why? Individual I have to make a hard 45 into electrical panel. Comparison Chart for Screw Size, Inch Fractions, Decimals and Millimeters, The Primary Types of Heat Shrink Tubing Explained, How to Replace the Door Hinge Pins & Bushings On a 1988-2000 Chevrolet or GMC Truck/SUV. chassis components that require rivet-bonding in-lieu-of welding whenever structural If any adhesive squeezes out, sand it off later. T-rivets have a hardened steel mandrel that splits the rivet body into a trifurcated (three-forked) shape. All rights reserved. many body shops have been forced to embrace newer repair techniques like rivet
To install, place the rivet body into a hole in the materials to be joined until the rivet body lip is flush against the material surface. so I looking for closed-end rivets, for my aluminum boat. With the increased use of aluminum, and the great difficulty of actually resistance welding aluminum, we have seen a surge in automotive rivet applications at the original equipment (OE) part level and in field repairs. Closed end rivets are stronger than open end rivets. Like I stated previously, welding will be used less and less and the alternative is adhesive. This is one of the more confusing topics for body shops. Each has its own benefits and downfalls. safety and performance. But those lighter materials cannot be heat-welded like steel. For many years now, rivets have been commonly used in other applications (construction, aerospace, over the road trailers, etc.
As chemical compounds that are relatively new, adhesives may not always be as environmentally friendly. Unfortunately, some materials will distort with heat, making welding and rivets less versatile.
The three-forked shape provides a high clamping strength. View our Privacy Policy here.
In many cases, adhesives are simply less expensive and can be more easily used they require minimal training and equipment.
With lighter weight materials, comes the risk of a faster melting temperature. The basics can make the difference between a quality repair and a failed repair, Ford launches new certified glass network for replacing glass components, 3M acquires LeanTec technology, advances inventory management and digital solutions for auto body shops, The human key to static ADAS calibration accuracy. They also allow for different types of materials, such as steel and aluminum, to be easily attached to each other.
Often, after installing rivets, the two pieces are welded together to strengthen the bond. These new vehicle regulations have made engineers and manufacturers look at new ways to design and build cars and trucks. are not done properly, it can not only invalidate a factory warranty, the shop Based on the make of vehicle, all Substituting aluminum for steel, Ford was able to achieve a 700 lb weight reduction in its F150 Truck. Those structural changes include replacing heavier
repairs are needed.
In the past, Cars and trucks were separate, but now they are combined.
With the increased use of aluminum, and the great difficulty of actually resistance welding aluminum, we have seen a surge in automotive rivet applications at the original equipment (OE) part level and in field repairs.
Now, cut the patch panel to the size and shape you need, and adjust it where necessary by trimming it so its flush all round the flange area. Rivet bonding application on ATS/CTS using Fusor 2098 Structural Adhesives.
rivet bonding during production instead of spot-welding for front hood There are also downsides to using adhesives. I asked the tech if he had the OEM replacement procedures, which he produced from his tool box.
When its just right, start to drill the rivet holes.
rivet-bonding repair processes and specifications.
The two most common styles are Metal Blind Pop Rivets and Nylon Blind Pop Rivets. However, rivets are usually stronger with welding, which requires the application of heat. The spacing of the rivets should be about inch apart. Weve already touched on head style and corrosion resistance, so lets look at rivet diameter, grip range and flange size. Always follow the OEM repair procedures while using the specified fasteners and tooling even using a similar rivet could become a problem. Remove all the paint in an area between one to two inches around the panel damage. So, lets first try to understand some of the whys.. That means investing in Cut it to size and use it as a template for your patch panel; this needs to be the same gauge metal as the panel. Once installed, a rivet can usually be hidden easily.
Start in one corner, with holders to keep the panel firm. The rounded end of the mandrel pulls in on the rivet body causing it to expand to the size of the hole that it is placed in, while also forming a tightly clinched load-bearing area on the rear side of the material. OEM1STOP.com is the best starting point as its a simple launch pad to all OEM service information websites. Open End Rivets are designed for a wide range of applications and are the most commonly used type of rivet.
So, how is river bonding being used to repair newer cars with these changes in place? through I-CAR (www.i-car.com), Deburr all the holes once youve finished making them.
The rivet will prevent the panels from shearing apart. rivet-adhesive bonding, some shops are offering the repairs only for certain vehicle proceedings. Weld bonding, the process of combining adhesives and welding, has been a long-time repair solution for about 20 years now. Honda states in the repair statement (https://techinfo.honda.com), Parts made of Ultra-High-Strength Steel (UHSS/1,500MPa/USIBOR) must be installed as a complete part. rivets to hold body panels together. Adhesive has excellent tensile strength and extremely strong when conducting a peel test, but is weak when conducting a shear test. 
Dome Head Rivets are low profile and the most commonly used type of rivet. Failure to use the proper equipment or follow the proper procedures can result in an unsafe repair..
Certain materials are not allowed to be used on certain models of cars. All Rights Reserved. Now, rivet bonding is used to attach back panels, front hood closures, and more.
First, the corrosion protection warranty could be voided by the factory. Copyright 2022 Henry's Automotive Warehouse. Many of these questions can only be answered by the OEM and are based on firsthand experience and past research. These special standards call for special training which costs money to auto body collision repair shops. on Honda vehicles including the Accord and their electric models. Like with welding and riveting, adhesives are not always easy to take apart once the pieces are fastened together. Take your pneumatic nibbler and cut on the scribed lines. Be aware, however, that this isnt a job for a novice. that can interact with one another, for example an aluminum body panel and We put our customers first and strive to ensure that every service you receive is of the highest quality. Part 2 of this article will run in the November issues of Autobody News.
As a result, when a technician is doing rivet bonding, professionals can readily access the information. Ultra HighStrength Steel requires special welding equipment, procedures, and settings. Insurance Claims Welcome, Copyright 2016 Strategic Media inc. | All Rights Reserved. rust formation on the vehicle. Our field requires continuous learning and training. Grip range: A rivets grip range is how wide the rivets body (the area shown as B, the body) will expand to when placed in the hole and then squeezed. Rivets provide an effective way to fasten two materials together without welding, adhesives, or any specialty tools or skills.
perform the service on another type of vehicle, they will usually refer the Taking the time to know what each manufacturer expects of us, along with the state regulations, keeps our shops and our clients safe and roadworthy. referral network. The major reasons for rivet-adhesive bonding are two fold. fiber. All rights reserved. Once dry, sand, prime and paint the auto body repair panels.
Use the holders to test fit the patch to make sure its flush with the surround and shaped properly. Automobiles are made from many separate parts, and they are made to fit together and be fastened in place.
A countersunk drill bit must be used to provide the proper hole when installing a countersunk rivet.
(blind, self-piercing and solid). This site requires you to register or login to post a comment. The process starts by clamping the sheets of materials between the die and the blank holder. The legs clamp the material tightly and spread the load over a wide area.
Finally, the high joint strength is achieved by the interlock between rivet and material. automakers have specific original equipment manufacturer (OEM) specifications that body shops are expected to follow when repairing structural components after right place for the job. If repairs Diameter selection is based on space, strength, and material thickness.
Use edge clamps to secure the patch panel in place on the auto body repair panels. DOWNLOAD THE PDF TO VIEW FIGURES AND DIAGRAMS. Self-Piercing:Self-piercing rivets utilize a high-speed mechanical fastening process for point joining sheet material such as steel and aluminium.
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