Feb 16, 2018 isfit solderless compliant pin terminal pressfit connector technology ipex. It is an important key success factor for the company. Press fit technology roadmap and control parameters for a high performance process jose becerra, dennis willie and murad kurwa flextronics milpitas, california. Double pressing with viega press technology 2 viega press technology is doubly secure, the reason for this being that viega press tools carry out two press ings simultaneously one in front of the crimp and one behind it. Likewise considerations apply if the jaws have a different structure for example with separating blades, or other. Press fit terminals are available at mouser electronics. Connectors t he combination of press fit pins and servoelectric presses provide a powerful technique for automating and verifying the integrity of boardtoboard connector installations. Erni offers a comprehensive press fit range for all connector types. What differentiates amphenol from our competition is our ability to evolve and innovate. Press fit connector market is classified on the basis of product type as brass connecter and stainless steel connecter. The press fit technology utilises press fit pins to establish the module contacts to the printed circuit board. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Connector tooling connector manufacturers design and provide pressing tools specifically for each of their connectors. Pressfit compliant pins are housed within connectors and used.
For immediate release online press release distribution. Solderless connection with the press fitting technology. Compliant tail pressfit contacts in mil circular connectors. How to reduce cycle time and optimize connector press process. Advantages of the pc104 varpol connector with pressfit pins both female connectors can be pressed in with ept tooling in a one step process. The harting catalogue offers a wide range of tools, press in tools and many more products for electronic devices. Backplane assembly and test challenges confidential. Press fit technology is a proven and widely used and accepted interconnection method for joining electronics assemblies. The pressfit connection is considered as one of the most reliable connection techniques. Different variants of this press fit connector, with slightly different.
Firstly there are two schools of thought regarding press fit connectors and conformal coating. Press in tools harting technology group eshop help. The focus of this project was to improve the efficiency of the amphenol tcs press fit machine. June 2010 by phil baynes, field applications engineer, and the technical staff, conesys, inc. Second, press fit technology reduces rework concerns because a damaged connector may be pressed out and replaced with a new one this process may be performed a maximum of two times in the same pcb. In surfacemount applications press fit connectors eliminate the expense of wave solder pallets and masking. Stackable, pressfit, compliant pinsocket full profile rc422, pressfit board mount connector, compliant pinsocket, full profile, 4 rows rc series. No rework on long pins which can occur with the solder process due to solder bridging. Compliant pin connector or pressfit connectors systems provide a method of attachment and electrical. The pressfit module is inserted in a printed circuit board by press in. Qualification of pressfit connector for spaceflight. Control of coating thickness and flow after application is the key.
The goal with this project was to understand and to document how rework affects press fit connection strength, hole wall deformation and gas tightness for the newer high speed press fit connectors. Soldering process improvement of critical smt connectors and for the retention of press fit sfp cages. Sometimes it is possible to populate smt components in the connector shadow on the other side of the board. When a compliant pin is inserted into a platedthroughhole pth of a pcb, it creates a reliable, gastight contact. Replace costly 2piece connector solutions applications automotive electronic systems for more than a decade, insulation displacement contacts idc and press fit or. This mounting method involves press fitting an elastic contact which deforms when force is applied, and becomes restored when the force is released called the compliant section or press fit section into a throughhole in the printed circuit board to. To ensure proper insertion, connectors must be centered.
It is available in a dimension range from 15 mm to 108 mm. Te application tooling pin insertion and press fit machines page 6 line of pin insertion machines p10 single pin repair station machine the p10 single pin repair station base unit consists of an arbor press with ratchet mechanism and insertion force monitoring. The referenced amphenol manual describes proper connector removal. Soldering process improvement of critical smt connectors. The pressfit technology is widely applied in multiple automotive applications.
Pressfit connectors positronic the science of certainty. The pressfit pin insertion process is fast, cheap and reliable manufacturing process that allows a repair of the pressfit pin up to two times. Even though pcbs are expensive and being able to reuse them would create a cost savings, designers are reluctant to use press fit mezzanine connectors because they typically offer lower signal integrity than smt. Press fit assembly can be easily automated, whereas secondary soldering processes are often done manually and are slow, expensive and lacking in quality control. Rework of these pressfit connectors does not seem to affect the connection force significantly. The compliant pin enables designers to rework the board when necessary and maximize its use without having to sacrifice signal integrity. The press system joins with seamless copper water tube in residential and commercial potable, hot, chilled and process water applications for plumbing and hvac systems. The ground pins for this connector are much bigger than the signal pins and were not included in this evaluation. For starters, solder is now leadfree and must be reflowed at high temperatures, which can damage the connectors and board. Erni offers a comprehensive pressfit range for all connector types. By the press in process a plastic deformation of the pin results, ensuring a gastight contact with lowohmic resistance. Also included in the erni press fit range are the right angle press fit connectors for mounting on the plugin module pcbs see ernis plugin conntectors with right angled press in terminations catalog. Request pdf reliability of press fit contacts and adjoining smd components on printed circuit boards reliability studies of press fit contacts have been performed during environmental stress. Using a press fit connector usually wastes the space on the other side.
Molex s ddr4 dimm sockets feature high dimensional stability and excellent compatibility in leadfree and halogenfree technologies. Viega propress is the trusted copper press joining solution. The pressfit compliant pin is a proven inter connect technology to reliably provide electrical and mechanical connections from a printed circuit board to an electrical connector. The sleeve has an indented ring or bead midway, and copper tube is pushed in against this from both ends. New spring press fit isfit ipex connectors youtube.
As noted, this application required increased bandwidth for leading edge performance and scalability. Press fit connector market is classified on the basis of geography as north america, latin america, western europe, eastern europe, asia pacific, japan and middle east and africa. Stackable, pressfit, compliant pinsocket full profile. Jan 22, 2018 how to operate cablineca ii microcoaxial cable connector ipex connectors duration.
The full report from the insertion and retention tests is indicated in the references. Ive never dealt with such connectors before and to my knowledge they do not require any soldering. Another important aspect of pressfit technology is reliability. Press fit technology offers a solderless alternative, with springpin terminations that produce a reliable electrical termination with a gastight, mechanical fit to the platedthrough hole. Smt connectors on smt boards eliminte the need for additional operations, either press fit or wave. Press products is the general term for valves and fittings assembled by press fitting copper pipe into a sleeve. More and more people and thingsare using electronic devices to communicate. Less safety gear is required to operate a press tool compared to welding or soldering, which can provide additional cost savings. Since the pins diagonal is larger than the pcbs perforation, press fitting the pin defines the respective deformation. Our goal is to provide the optimal solution for the. Also included in the erni pressfit range are the right angle pressfit connectors for mounting on the plugin module pcbs see ernis plugin conntectors with right angled pressin terminations catalog. Press fit connectors, thus to create a film of liquid outside of the column that provide an immediate sealing. Pdf rework of new highspeed pressfit connectors researchgate. The challenge has been to press in the thin and weak needle eye pins correctly.
Neopress highspeed mezzanine system has been engineered to provide compliantpin termination while minimizing nearend and farend crosstalk to match the signal integrity of neoscale smt connector. A high density pressfit mounted connector using patented stacking contacts consisting of a femalecompliantmale configuration used in board to board stacking applications. Press fittings offer additional safety because there is no heat or flame required to make connections. Also, when an smt termination fails, attempting to rework it creates a short. The pcie riser card connector is a singlepiece 438pin vertical press fit connector with 0.
Press fit technology shall not be specified for flight applications without prior nasa approval. Compliant pin the pressfit compliant pin is a proven inter connect technology to reliably provide electrical and mechanical connections from a printed circuit board to an electrical connector. Because the compliant pins absorb any deformation during insertion, the plated throughhole remains completely intact allowing the individual pin or header to be removed and replaced to facilitate device rework. This application claims the benefit of united kingdom patent application no. Press fit connectors have begun to dominate highend connector applications for telecommunications and computer printed circuit boards pcbs. Pressfit technology, a solderless method for mounting power modules. Method for reworking a pressfit connector international.
Press fit technology roadmap and control parameters for a. Any weakness in these areas could lead to field failures. Pds228 microd innovations amphenol micro connectors provide small interconnect solutions which will exceed the requirements of the us military standard m835. A photo of the bottom side of the package showing the compliant press fit pins is given. To complement the established products and using common tooling, fittings and tube for various specific applications, across a broad spectrum of installations have now been introduced.
This connector system presents the j3 connector in accordance with the pc104 plus spec in a 2mm grid. Press fit fitting systems and stainless steel although for metallic materials there are several types of mechanical connections, e. Backplanes have large quantity of press fit connectors. Im looking a particular type of connectors and they are all press fit style. Press fit technology allows manufacturers to avoid soldering when assembling pcb electronics. Second, pressfit technology reduces rework concerns because a damaged connector may be pressed out and replaced with a new one this. The project was successful in evaluating five different high speed connector types. With pressfit connectors, you can eliminate a number of negative aspects that come along with soldering.
Pressfit technology offers many other advantages over pinthroughpaste and selective soldering. Dennis willie press fit for electrical and mechanical interconnection board connector to press fit interface then to other board backplanes, midplanes and daughter card connectors to avoid challenges associated with soldering, rework. Viega is the only company with smart connect, a patented technology that helps installers easily identify an unpressed fitting, providing them with added confidence in their connections. Mmt machrone launches new press fit pc104 connectors mmt machrone now offers pc104 female connector in press fit design.
Backplane assembly and test challenges confidential dennis willie. The arbor press contains a retainer for the product. Press fitting, on the other hand, creates a solder less mechanicalelectrical connection. Press fit connectors are also easily repaired, more environmentally friendly, and cost effective. In many cases the combination of surfacemount and press fit connectors can obviate the wave solder process entirely.
Oct 08, 20 signal integrity can be excellent for both smt connectors and press fit connectors using very small plated through holes. Compliant tail pressfit contacts in mil circular connectors date. It has excellent characteristics by comparison with traditional connecting solutions and technologies such as wiring harness or soldering technologies. The presstoconnect method is quick and reliable, assuring a clean, permanent, watertight seal. A connector s multiple press fit pins are inserted into the metallized perforations of a printed circuit board. One theory says coat the complete assembly and then insert the connector throughout the coating, i personally think that this is the best option for complete protection. The basic principle is the bigger latitude of the press in zone than of the pcb hole. Reliability of a pressfit connectors rests in not damaging hole plating when. These presses also incorporate statistical process control spc and documenta tion traceable to individual connectors for quali ty assurance. Solderless press fit interconnections are used in racks, especially where connectors must be fixed on the solder side of the pc board andor component side. Since its introduction in 1999, it has reduced overall job costs, saved time and increased reliability on jobsites across the globe.
Pressfit connectors attach without solder 20150504. The eon was designed to meet the requirements for press fit. During qualification of connector rework we evaluated several methods to assess the quality and reliability of this interconnect solution. The use of less moisturesensitive, hightemperature housing material minimizes the incidence of blistering on the connector housing and enables the sockets to withstand high ir or reflow processing temperatures. In these applications, the holes for action pin contact connectors are covered during the soldering process and press fitting is performed after soldering. Electrical connectors are then interconnected together providing board to board electrical and mechanical connection. Adaption to integrated connector package modules icpm will. Design toolsprocess to press multiple connectors with single tool and stroke. The solderless connection is a method of mounting a connector onto a circuit board. First, using a press fit connection eliminates the need for soldering processes. Press fit technology roadmap and control parameters for a high performance process.
Aligned field connector contact configurations for improved signal integrity are also available. Solid and compliant pins the first pressfit contact was simply a pin with a rectangular, solid cross section. Pressfit can be performed using a simply toggle lever press or a machine. Pressfit can be performed using a simply toggle lever press or a. For immediate release online press release distribution service. May 04, 2015 by using pressfit instead of solder, manufacturers eliminate thermal stress on the board, heat development on sensitive components, cold solder joints and shorts caused by solder bridging. Tool for reworking a pressfit connector international.
Xpress the pressfit jointing system 03 presenting the xpress range the xpress concept has been developed and extended to become a truly versatile package. Tb2327 paladin daughtercard and direct ortho module removal and. Adapting pressfit connection technology for electronic. The press fit connection is formed when a pin is pressed into a fitted, platedthrough hole in a pcb. The connectors come with the plastic guide to hold the contacts in position and also protect the long contacts from damages. This limited us to new surface mount technology as opposed to throughhole soldered or press fit connector. Pin insertion and pressfit machines te connectivity. Reliability of press fit contacts and adjoining smd. Delphis compliant pin technology will interface with the following.
I have a questions about them though here is an example of the type of connector i am looking at. Compliant pin connectors and modules, press fit on pcbs, provide reliable electrical performance. With a pneumatic press, the height has to be adjusted or compensated mechanically which could be complex. One or tworow smt connectors are normally quite productionfriendly, with the solder tails exposed for easy soldering and inspection.
Connectors validating pressfit connector installation. Various customers are using pressfit technology in a great variety of convenient, assistance and safety applications demonstrating the high acceptance of tes pressfit products and the pressfit termination technology itself. A servo press can be programmed, depending the connector height. After then, you can simply run a blank cycle of the system to clean all the gc system, columns etc. Tb2326 paladin daughtercard connectors pressfit installation process. Assembly instructions for the easypressfit modules 3 the press in process this section deals with the necessary press in forces and tools for the modules. It is defined for applications where a riser card of.
Subsequently, many electronic products, in particular mobile base stations and core network nodes, need to handle enormous amounts of data per second. When you have a mix of connector types with different heights, a servo press is a must. Guadalajara, jalisco abstract press fit technology is a proven and widely used and accepted interconnection method for joining electronics assemblies. Connector pressfit technology for spaceflight applications escies. The fact that the coating covers the contact between the press fit connector and the hole wall is of no consequence unless rework is required, in which case coating removal becomes necessary. To investigate if rework of the highspeed pressfit connectors caused cracks or other damages in the hole plating, gas tightness. The other theory says completely avoid any coating near to the press fit connector. Shown here are new microd solutions beyond the choices offered in our current online catalog.
Semiautomatic machines and presses for pressfit connectors. The commercial world has long utilized compliant pin technologies to insert connectors on to printed circuit boards. Well suited and proven for press fit technology relatively inexpensive disadvantages fewer heat cycles possible than i ag due to im growth grows intermetallic 0. The close pin geometries and thermal mass make reliable soldering extremely difficult. Te application tooling pin insertion and pressfit machines page 3 te connectivity te insertion machine platforms combined with performance enhancing accessories provide the flexibility to meet a wide range of customer requirements in the manufacturing of printed circuit boards. The present invention relates to a tool for reworking a press fit connector. These connector are available in j1 and j2 positions with 2x20 40 pins and 2x3264 pins. High speed press fit connector b has small signal pins made for 0. Stackable, pressfit, compliant pinsocket a high density pressfit mounted connector using patented stacking contacts consisting of a femalecompliantmale configuration used in board to board stacking applications. The expenses for the difficult hand soldering process are eliminated.
75 1262 996 689 38 414 965 819 814 905 1078 839 724 585 213 1592 1510 600 104 177 1532 660 954 1066 292 560 1332 1270 23 118 481 1477 455 432 1421 647 347 368 405 300 863 727 708 477