2/20/2023 0 Comments Self piercing rivet gunThe micro-controller control is very simple to use. The progress of compression can be displayed on the screen that shows pressure measurement, operation time, program number, battery power, and riveting force. The HMI control has an integrated intelligent electronic module with a large LCD display and additional LED indicators that provide rapid user information and status of the machine. The handset also has a fastening clip and integrated magnetic support to be used when in stand-by. The ergonomic remote actuator control integrates the ON, Forward, and Reverse buttons and is additionally equipped with a LED light that provides real-time status diagnoses while the riveter machine is operating. The 5-foot (1.5 m) hose is connected to the pump via a leak-free quick-release hydraulic coupling in conformity with the CEJN S115 standard. The hydraulic hose package is connected to the electro-hydraulic pump via a high-pressure hose. The system has extremely rapid advancement thanks to a special double piston technology, characterized by a low-pressure advancement and a slow high-pressure advancement, The conversion from low to high pressure takes place automatically at approximately 90bar (9 MPa) and the unit has great reverse capacity for more rapid working cycles. when the equipment’s preset final pressure is reached, the pump stops automatically and keeps this pressure constant. This means that the hydraulic maximum output pressure is 700bar (70 MPa). The electro-hydraulic pump is pneumatically driven with a pressure ratio of 1:100. The technology in this riveter unit enables the adaption of various attachments for different applications. For strength and durability, the CMO engineers chose to make the casing entirely of insulating, shock-resistant polyamide material, that has also been reinforced with an additional layer of fiberglass. It will operate and perform in all work environments with temperatures between -4° F (-20° C) to 122° F (50° C). This riveter tool has been designed to be light, compact, and have a robust structure. The body of the pump and all components are made of tested high resistance materials. The l-pump device is equipped with a USB port for downloading recorded riveting data with firmware upgrades. The system has a light regulatory system and diagnoses when there is a fault with the machine and/or service is required. The instant onscreen graph is able to report whether the rivet has achieved the required pressure during installation. On the graphical display, it is possible to review real-time information of the pump, set-up and actual installation force, select pressure, and store custom riveting programs. The failsafe feature prevents the operator from riveting if there is not enough power in the battery, meaning the unit cannot complete the riveting cycle. The micro-control system built into the l-pump has the capability to record and download riveting data, create specific programs and generate riveting job reports. The pressure and speed controls increase accuracy and enables the rivets to be inserted without panel distortion. The RV700 is a battery-operated, hydraulic riveting system that allows the operator to select or adjust the force (kN level) used to insert the fastener based on the type of rivet and OEM recommendations. Additionally, with the optional kits to be included, it is possible to install different types of fasteners like blind rivets and rive-nuts, and hole punching. The CMO SPR is a reliable tool for riveting aluminum panels together with high dynamic strength. The cold-forming technique requires no heat and no pre-drilled holes. The higher hardness of aluminum and formation of solid-state bonding enhanced the F-SPR joint stiffness under lap-shear loading, which contributed to the higher quasi-static lap-shear strength and longer fatigue life compared to those of the SPR joints.The RV700 Self-Piercing Riveter (SPR) is part of most OEM recommended methods for joining aluminum panels together and/or removing rivets. The decrease in the switch depth of the F-SPR resulted in more hardening of the aluminum alloy surrounding the rivet. For the same rivet flaring, the F-SPR process required 63% less tooling force than the SPR process because of the softening effect of frictional heat and the lower rivet hardness of F-SPR. The results indicate that the F-SPR process formed both rivet–sheet interlocking and sheet–sheet solid-state bonding, whereas the SPR process only contained rivet–sheet interlocking. Parallel studies were carried out to compare the two processes in terms of joint macrogeometry, tooling force, microhardness, quasi-static mechanical performance, and fatigue behavior. In this paper, self-piercing riveting (SPR) and friction self-piercing riveting (F-SPR) processes were employed to join aluminum alloy AA5182-O sheets.
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