Us5752305a selfpiercing riveting method and apparatus. Fastening with a selfpiercing rivet does not cause sparks, smoke or riveting swarf. Should the exact rivet for your application be missing, stanley engineered fastening will develop the right type for you. Self piercing rivets spr join two or more pieces of material using a rivet without a predrilled hole. Comparison of self pierce riveting, resistance spot welding and spot friction joining for aluminium automotive sheet article pdf available in sae technical papers 2034 april 2006 with 4,109 reads. Nelson stud welding is the leading manufacturer and distributor of weld stud fasteners and application equipment worldwide. By using this site, you agree to the use of cookies. It is a clean fastening technique friendly to working environment. Use selfpiercing rivets to join similar or dissimilar materials, such as steel, stainless steel, aluminum, brass and certain plastics and fibers. Standard coatings are used in the majority of applications to protect steel self pierce rivets when applied to steel, aluminium or other products. Henrobs self pierce riveting spr technology was invented in australia in the early 1980s as an improved. A selfpiercing rivet of a special rivet geometry is described, which in particular is suitable for joining high strength steel sheets, but can also be used for other metal sheets. Our system does error proofing using force feedback comb.
The technology has many advantages, such as no predrilled hole requirement, capability to join a wide range of similar or dissimilar materials and combinations of materials, no fume emissions etc. In addition, a self piercing rivet can also be used to connect two or more material layers, and, therefore, can easily join together painted or coated parts. Principle of self piercing riveting the self piercing riveting is a cold process for joining two or more sheets by directly piercing the sheets with a rivet. Self pierce riveting spr is a process of joining two or more materials using an engineered rivet. Selfpiercing riveting process modeling and structural analysis core.
The saftliner c2strength advantages of selfpiercing rivets join a range of materials such as steel, aluminum and plastics no hole required, no leak path dont damage zinc or painted coatings nearly flush with the surface for better aesthetics repeatable quality, visually checkable joint with oneshot operation. Since the self piercing riveting does not require a predrilled hole unlike the conventional riveting, the joining speed is the same level with that of the spot resistance welding. The second section called circled numbers are solid rivets is the solid rivets that can be used to replace sprs. Unlike solid, blind and semitubular rivets, self pierce rivets do not require a drilled or punched hole. The location of spr and adhesive shown below are based on the original production drawings and should only be used as a guideline. We make coatings that are qualified by our customers. In some cases, solid rivets may also be used as a replacement for sprs. Properties, processes and applications by andreas chrysanthou, university of hertfordshire, uk and xin sun, pacific northwest national laboratory, usa.
Self pierce riveting solutions for your prototype projects. Selfpiercing rivet an overview sciencedirect topics. Self piercing riveting spr has become a significant joining technique for the automotive and aerospace applications of aluminium sheets. Henrob spr systems and rivets can join a variety of materials, including thin sheet highstrength steel, aluminum, plastic and composites. They they simulated the forming process of 4 different ty pes of micro rivets, and based on the. Self piercing riveting spr is a way of joining sheet materials using a rivet that clinches the sheets as it is pressed into them. Selfpierce riveting spr is a new highspeed mechanical fastening technique which is suitable for point joining dissimilar sheet materials, as well as coated. Space under head height constriction headside workpiece curlside workpiece diameter curl diameter including the workpiece curl height including the workpiece eccentricity bucktail self piercing rivet.
We design, manufacture, and sell self pierce riveting systems and rivets for use in. Rivet installation criteria countersunk rivets and sealed self piercing rivets see page 22 are excluded. Typically, the first sheet is pierced when the rivet is inserted. The concluding chapters describe the quality control and nondestructive testing of self piercing riveted joints, optimization of the strength of self piercing rivets, and provides an overview of self piercing rivets in the automotive industry and the applications of self piercing riveting in automated vehicle construction. Spr characteristics curve and distribution of residual stress in. Most authors focus on the self piercing riveting process using steel rivets. In this paper, a thermally assisted self piercing riveting taspr process was proposed to improve riveting of the uhss, through locally preheating the uhss sheet using an induction coil prior to. Together with associated equipment improvements, increased suitability of the self piercing riveting process has been demonstrated for the volume production of automotive components and body assembly. Frivtasfastriv selfpierce flese creip t evirrivet fg. Self pierce riveting spr is a method of joining two or more pieces of material using a rivet without the need for a predrilled hole. Ford f150 collision repair instruction sheets part numbers.
Self piercing rivets are the connecting element for joining aluminium parts, mixed connections and combined joining and gluing without emissions. Related content numerical simulation and experimental validation of self piercing riveting spr of. Self piercing rivets and systems to support your production of vehicle body parts and accessories using mixed materials. Introduction self piercing riveting is used for high speed mechanical fastening of sheet material components. Sprs are cold forged to a semitubular shape and contain a partial hole to the opposite end of the head. Finite element simulation of the selfpiercing riveting. A pressure gauge on the unit illustrates current pressure amount for controlled operation. The automotive industry has been using self piercing rivets since the early 1990s. Assessing the suitability of materials for selfpiercing. The selfpiercing rivet is in particular characterized by a special underhead geometry as well as a special geometry of the rivet foot cutting region. Standard coatings are used in the majority of applications to protect steel self pierce rivets when applied to. Ford f150 collision repair instruction sheets part numbers posted on 04 december 2014. Otllhoff rivset portable small and handy universally applicable and small selfpiercing rivet hand device properties processing tapecollated rivset selfpierce rivets optimal accessibility to joint through small setting head choice of mains or battery operation wearing parts simple and fast to change easy handling adjustable setting.
Replacement selfpiercing rivets sprs are the preferred replacement during repair for original spr locations, where feasible. Quality control in this locale has progressed at an altogether more leisurely rate than other areas of mechanical joining e. Our self piercing rivets are remarkably strong and can be used to fasten both similar or dissimilar materials, such as aluminum, stainless steel, and steel as well as a number of plastics and fibers. The rivets have an equivalent column strength to conventional self piercing rivets, but the ability to flare significantly more during riveting than currently used rivets.
Let our experts provide recommendations for your project or application. A self piercing rivet of a special rivet geometry is described, which in particular is suitable for joining high strength steel sheets, but can also be used for other metal sheets. The arms and adapters quickly connect, to efficiently change operations. Example applications storage sheds selfpiercing rivets are used to assemble storage sheds which must withstand harsh weather conditions for long periods of time.
This is a selfpiercing riveting simulation carried out with lsdyna using axisymmetric finite elements with a remeshing strategy. Autoriv cp clinching, selfpiercing and riveting fasteners. The limit loadbased strength estimator is used to estimate the static strength of an spr under a cross tension loading configuration. Although the self piercing riveting process is a young joining technology, it has become more and more popular during the last decades. W7087s900 self piercing rivet spr code as 74 w708717s900 self piercing rivet spr code aw 15.
National rivets exceptionally strong selfpiercing rivets surprise some people with their capabilities to fasten parts without the need for preformed holes. A case study of the spr of two sheets of the aluminium alloy using a steel rivet was investigated. Comparison of selfpierce riveting, resistance spot welding and spot friction joining for aluminium automotive sheet. Self pierce riveting spr is a process used to join two or more layers of material without a predrilled or punched hole. Paper open access related content tensile and fatigue. Dent fixs self piercing riveter is a reliable tool for riveting aluminum panels up to 6. Performance optimization of selfpiercing rivets through analytical. The fastriv selfpiercing system is a simple, clean and efficient method of joining sheet metal components without the need for prepunched or predrilled holes. Home collision repair news ford f150 collision repair instruction sheets part numbers. Doc final report on self piercing rivets rohit raman. The application of selfpiercing riveting in the automotive sector came to prominence in the 1990s when it became one of the joining techniques for aluminium vehicle bodies. In one step the semitubular rivet pierces through the upper layers of the workpiece and forms the locking head in the lower layer. Smart features include a stopandgo trigger for accuracy.
Self piercing riveting spr is a key production process used to join aluminium sheet body structures in the automotive industry. Self piercing rivets spr includes a process of joining two or more pieces of similar or dissimilar material by driving a rivet piercing the top sheet and then fortifying it within the bottom sheet without piercing it thereby forming a mechanical interlock. Fseries body installation crew cab door opening panel service kit instructions kit part number description quantity fl3416211a10ak crew cab front door opening rh 1 skfl3416211a10ab instruction sheet 1. This chapter discusses strength optimization and failure mode prediction of self piercing rivets sprs for automotive applications. The availability of the products described on this site, and the product descriptions, may vary from country to country.
Self piercing riveting spr is a cold mechanical joining process used to join two or more sheets of materials by driving a rivet piercing through the top sheet or the top and middle sheets and. The fastriv selfpiercing system is a simple, clean and effi cient method of joining sheet metal components without the need for prepunched or predrilled holes. Fseries body installation crew cab door opening panel service kit instructions kit part number description quantity. Blind rivets are the next preferred replacement for original sprs. A study of quality parameters and behaviour of selfpiercing. Pdf comparison of selfpierce riveting, resistance spot. The self piercing rivet is in particular characterized by a special underhead geometry as well as a special geometry of the rivet foot cutting region.
Using fastriv selfpiercing rivets for the assembly of sheet metal components, joints can be made reliably with high dynamic and static strength characteristics. This introductory chapter describes the selfpiercing riveting process and discusses some. The riveting analysis has been performed for joined sheets using. Optimization of the strength of selfpiercing rivets sprs. Replacement self piercing rivets sprs are the preferred replacement during repair for original spr locations, where feasible. Selfpiercing riveting spr is used for high speed mechanical fastening of sheet material components. Pr5 multifunction riveting system the pr5 multifunction riveting system combines multiple rivet applications in one versatile unit. The technique itself has been the subject of several studies within industry, academia and research organisations, while about papers have been published in the open literature. We can help you out with that because we recently ordered some for ourselves. Selfpiercing riveting spr in the automotive industry. The self piercing riveting using aluminium rivets is indeed a.
As it is being pushed, the volume of the rivet displaces the parent materials. Selfpierce riveting tools for processing beltmagazine rivset selfpierce rivets in industrial series production for manual operation. Development of lightweight selfpiercing riveting equipment. Tensile and fatigue behaviour of self piercing rivets of cfrp to aluminium for automotive application to cite this article. The pressure and speed controls increases accuracy and enable the rivets to be inserted without panel distortion. Pneumatic rivet squeezers for solid rivets, tubular rivets and pressin captive hardware.
A compact rivet guide and setting head for optimum access to the joint. Nuts, screws, rivets, parts with special functions as riveting, self piercing, and clinching fasteners. Pdf parametric study of selfpiercing riveting for cfrp. Selfpiercing rivets spr stanley engineered fastening. Self piercing riveting is a cold process for joining two or more sheets by directly piercing the sheets with a tubular rivet without a predrilled hole, as shown in fig. The rivet is fed into the nose of the gun, a punch is displaced and the rivet is pushed into the stackup. Use selfpiercing rivets to join similar or dissimilar materials, such as steel, stainless steel. This paper presents the authors work on strength optimization and failure mode prediction of selfpiercing rivets sprs for automotive applications. Many of you have been wondering how you will obtain the elusive blind rivets, solid rivets, and self piercing rivets sprs that you will need when you get one of those new aluminum 2015 ford f150s in your repair facility.
Basically, the self piercing rivet is installed using a rivet setter. The technology has many advantages, such as no predrilled hole requirement, capability to join a wide range of similar or dissimilar materials and combinations of. Pdf thermally assisted selfpiercing riveting of aa6061. Standard coatings are used in the majority of applications to protect steel selfpierce rivets when. Fseries body installation for all cabs roof panel service kit instructions figure 1 rivet locations refer to figure 1 for location for adhesive material. Automatic selfpiercing rivets market size, share and. The flash is the result of redrawing joint forming and is achieved for the following joints. Rivet coating is a fundamental part of the riveting process and needs careful consideration before a selection is made. The selfpiercing rivet fastens materials without heating and repainting after fastening is not required. Stanley engineered fastenings handy value analysis calculator allows you to quickly determine a number of crucial value amounts, including labor cost per hour. Optional operation of the component or the setting tool.
When it comes to applications that require an adhesive joining method, self pierce riveting adds the benefit of ensuring a secure joint while giving the adhesive time to cure to form a tight bond. With self pierce riveting from atlas copco, you always know that your rivets are inserted correctly. Self piercing riveting is a forming process for joining sheets. This invention relates to self piercing riveting and more particularly to a method of and apparatus for riveting of the kind in which a self piercing rivet is inserted into sheet material without full penetration, such that the deformed end of the rivet remains encapsulated by an upset annulus of the sheet material.
Pdf selfpiercing riveting spr is a cold mechanical joining process used to join two or more sheets of materials by driving a rivet piercing. Joint quality management and control in selfpierce riveting. Thus the selfpiercing rivet has an underhead chamfer which. Self piercing rivets are designed to pierce sheet metal or aluminum without prepunching holes. Self piercing rivets with improved mechanical properties have been manufactured with slight modifications to standard processing methods. They eliminate the need for predrilled holes in the workpieces and provide an excellent seal after fastening. Unlike conventional riveting, no hole is required, making it a rapid singlestep process. The figures will explicitly call out which rivets are possible. Quality control and nondestructive testing of selfpiercing. Selfpiercing riveting spr is a cold forming joining tech nique used to fasten sheet material by mechanical inter lock. We have various riveting tools and machines available for rent on a monthly basis. Precision self piercing rivets used to join two or more layers of material without the need for a predrilled hole.
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