METAL FABRICATION Turret Presses and Lasers Turret punching and/or is the first step in the fabrication process. The speed and accuracy of EVS Metal’s turret presses and lasers helps us maintain a competitive edge on part cost and result in consistent quality. The ability to run unattended and the large capacity provided by our sixteen fabricators allows us to meet our customers’ ever-increasing demands. A comprehensive, on-site training program guarantees the exceptional skill level of EVS operators. Forming Our forming and bending department is equipped with the latest technology. We utilize European-style press brake tooling for greater accuracy, longer tool life, flexibility and faster set-up time.
EVS Metal’s twenty seven press brakes are networked to accurately store programs and speed set-up of repeat jobs. EVS utilizes Amada’s Bendcad software to program our brakes offline, further minimizing set-up and lead times. Hardware Insertion Our hardware insertion capabilities feature massive capacity, including 33 Haeger insertion presses, most of which are equipped with automated feeds to increase efficiency. MACHINING Our -certified CNC machining facilities in Texas (ITAR-registered) and New Jersey are equipped with state-of-the-art technology. Our staff of engineers imports 3D files (.sldprt,.prt, stp, iges, xt) using the most recent version of SolidWorks, allowing our experienced craftsmen to use these 3D models to program the equipment using MasterCam X. EVS is able to perform secondary operations to more efficiently, as well as full-blown turnkey machining to serve our customers various needs.
Overview of EVS Metal’s CNC Machining capabilities:. Climate-controlled environment. Work envelope 50x20x20. Precision tolerances of +/.001 inch. Run quantities from 5 to 2500 pcs. High speed 12,000 RPM.
Renishaw probes for accurate tool placement. Oldest machine 2009. Newest machine 2014. Materials machined include ferrous, non-ferrous and plastics.
5 CNC vertical mills and 1 CNC Lathe w Live and 90 degree tooling. Romer Arm CMM. WELDING From spot welding to arc welding, our team of experts utilizes state-of-the-art equipment to create precision solutions for even the most complex requirements. Discover the difference that can be made when receiving assistance from the industry’s finest welders.
Overview of EVS Metal’s Welding Capabilities:. in all material, gauges and sizes. All welders are certified to meet at minimum the requirements of the AWS D9.1M/D9.1:2006 Sheet Metal Welding Code. Welders are currently certified to other AWS codes such as D1.2 and B2.1. If we do not have a welder certified to a specific code, our welders can quickly certify to that code in order to handle any project.
In-house precision fixture design and fabrication. Experts in large precision frame and enclosure welding. Robotic welding in steel, stainless steel and aluminum. Gantry-style spot welding equipment provides the ability to work with heavier and larger parts.
Platen-style spot welding equipment provides efficient spot welding of larger parts as well as the ability to provide highly-cosmetic spot welds. Spot welding in most material and gauges. FINISHING Unlike most sheet metal fabricators, EVS Metal has the ability to handle paint and powder coat finishing requirements in house. ASSEMBLY / INTEGRATION EVS Metal may be best known as a top fabricator of custom sheet metal, but as a vertically-integrated manufacturer, we also provide a number of other services, including many different types of assembly and integration:. Mechanical Assembly: Assembling custom-fabricated parts into subassemblies and chassis by mechanical means such as fasteners or rivets, or welded means such as spot welding or arc welding.
Assembly and Integration of UL-Certified Products: EVS currently builds many products that have been previously UL Certified by our customers in their own shops. Our engineers and production supervisors work with UL to ensure our New Jersey remains certified to build and label all products as our customers would do in their own facilities, including. Active Electronics and Software Installation: Adds active circuit boards, hardware and software to the electromechanical assembly. Full functionality, performance and diagnostic testing can be completed.
EVS can also perform all electrical safety testing including: AC/DC hipot, insulation resistance, ground continuity and leakage testing. Electromechanical Assembly: Joining of electrical components into the mechanical assembly, including the installation of fans, cables, wire harnesses and power supplies. Box Build and Logistics: Complete build-to-order assembly and/or integration with test processes that build a finished product for an OEM customer or end user.
All logistical support and services are provided including direct shipment to the end customer.
Introduction Improving the appearance of a finished product for purely aesthetic reasons can be important because it often increases the salability of the product. The increased product performance and safety provided by proper edge and surface finishing is also important. The removal of burrs and sharp edges improves safety for both the worker and product user by eliminating the possibility of cuts and making parts easier to handle. For critical components, the surface condition and edge geometry can be a major influence on component performance and durability. From strictly an engineering point-of-view, surface finishing is primarily good for one thing: preventing corrosion. Historically, man has employed three different mechanisms to stop corrosion: (1) barrier coatings, (2) inhibitive primers and (3) the use of zinc anodes.
Barrier coatings are simply paints applied to the surface of metal to create a 'Barrier' or 'Wall' between the metal and the corrosion-initiating exterior atmosphere. To protect yourself on a rainy day, you put on a raincoat to keep you dry. The paint of a barrier coating acts as a raincoat for the steel. This method is only partially effective since barrier coats are not completely impermeable to moisture and will eventually breakdown, allowing the corrosion process to begin, and will only protect as long as the coating is intact. If a barrier coating is scratched or damaged in some way exposing the underlying metal, corrosion begins. Corrosion-inhibitive primers employ special pigments which provide corrosion protection through their ability to release inhibitive ions which are carried to the metal surface as water penetrates the coating.
At the metal surface, these ions modify anode and/or cathode reactions, and force the steel's potential to corrode into a passive mode. These coatings are somewhat effective but give limited service life and will allow corrosion to occur at damaged areas, like barrier coatings. Back in the 1700's a man named Luigi Galvani discovered that if you place two dissimilar metals in direct, electrical contact with each other and subject them to an electrolytic solution, ions from the least noble metal go into solution, liberating electrons and causing a current flow into the more noble metal preventing it's ions from going into solution. The process described, which became known as 'Galvanizing' (aptly named for Mr. Galvani), employs the use of zinc as the anode, or least noble metal. The zinc slowly releases it's ions causing the current to flow into the metal it's applied to.
The 'hot-dip' galvanizing process, where iron or steel is dipped into molten zinc at 850 degrees F, was born by a French chemist named Melovin in 1742. Since then, hot-dip galvanizing has been considered by many to be the epitome of corrosion protection. Surface Finishing.
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Please to view the rest of this entry. METAL FINISHING QUENCHANTS 10706 METAL FINISHING QUENCHANTS Since the beginning of Bronze Age, nearly five thousand years ago, metallurgists have used heat treatment to control the final properties of metal objects.
Heat treatment operation is done after machining or other metalworking operations. Before heat treatment, the metal is relatively soft and easy to machine. After heat treatment, the metal becomes hard. For this reason heat treatment is done after machining or other metalworking operations.
Heat treatment is the process of heating the metal to a certain temperature and then quenching to obtain th.
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