johnson electric - johnson electric

johnson electric - johnson electric

Johnson Electric is the leader in motion subsystems. Our technology leadership, application expertise and global footprint make Johnson Electric the ideal partner for custom product development projects. Johnson Electric is committed to making our customers successful by providing product differentiation and supply chain excellence. For designers who demand performance leadership and assurance of supply, Johnson Electric is the safe choice. We serve many industries including Automotive, Building Automation, Home Technologies, Medical Devices, Power Tools and Lawn & Garden.

asbestos brake linings, gaskets & pads | asbestos products

asbestos brake linings, gaskets & pads | asbestos products

Until as late as the 1990s, asbestos was used in automotive brake linings and disc pads. Many brake shoe linings contained up to 70% asbestos. Asbestos helped withstand the heat of the friction created when, through the hydraulic pressure of the braking mechanism, brake shoes were pressed against the interior of the wheel drums to stop the wheels from turning.

Mechanics performing brake inspections and replacements can be exposed to asbestos in several ways. First, it has been common practice for brake mechanics to clean the braking mechanism, backing plate and the interior of the drums using compressed air.

Unfortunately, asbestos dust collects in the brake drum and on the brake assemblies as the brake linings wear down from friction. The use of compressed air releases this dust and exposes the mechanic to substantial levels of asbestos dust. Although the heat of the friction in braking converts most of the asbestos to fosterite, a relatively harmless particle, millions of fibers of asbestos will remain. Exposure to these fibers puts mechanics at increased risk for asbestos diseases such as mesothelioma, lung cancer, and asbestosis.

Mechanics were exposed to asbestos from brake shoe linings when they sanded, ground or abraded the linings before installation. Many mechanics would rough or scuff the surface of the linings with sandpaper before installing them to remove grease and glaze. Some mechanics would also bevel the edges of the linings with a file or electric grinder, which was thought to ensure that the brakes operated smoothly from the start.

It was also common to turn brake drums on a lathe when the interior surface became scored or uneven, to smooth out the metal interior of the drum. This resulted in the drum having a larger arc than new brake linings that were to be installed. In order to make the linings fit snugly in the drum, the mechanic would arc the asbestos lining of the brake shoe on an electric grinding machine. All of these operations exposed mechanics to substantial amounts of asbestos dust, again increasing the risk of diseases like mesothelioma.

Manufacturers of brake pads and shoe linings, such as Bendix, Raybestos, American Brakeblok (Abex),Wagner, EIS, Gatke, Maremont (Grizzly brakes), Johns Manville, Fomoco, Delco and Mopar, all used asbestos in almost all of their brakes. Since the 1930's, Johns Manville and Raybestos Manhattan had been members of the Asbestos Textile Institute, an industry group that had commissioned studies that implicated asbestos as a carcinogen as early as the 1940's. They, along with virtually all of the other brake manufacturers, were members of the Friction Materials Standards Institute, which was an industry group that met and discussed, among other things, the hazards of asbestos.

In 1973, Dr. I.M. Weaver of Raybestos Manhattan addressed the group, and informed them that the kind of asbestos found in brakes caused mesothelioma and other cancers at low exposure levels. He stated the group had a moral imperative to warn customers of the mesothelioma hazard. Yet the FMSI, as it was known, lobbied government agencies to try to stem the tide of regulations concerning asbestos, and later issued only inconspicuous and weakly worded caution labels advising mechanics to avoid creating dust, without explaining the gravity of the harm involved.

In 1986, the EPA published its Guidance for Preventing Disease Among Auto Mechanics, which it hoped would get the word out about the mesothelioma hazard from brake work. The book explained the ways mechanics were exposed to asbestos when performing brake work, and discussed ways mechanics could prevent asbestos exposures, thereby lowering their mesothelioma risk.

If you or someone you know has been exposed to asbestos as a result of handling or being involved with Asbestos Brake Linings, Gaskets & Pads, and if you think such exposure may have caused you or your loved one to become ill with mesothelioma or any other form of asbestos related disease, please contact the lawyers at Clapper, Patti Schweizer & Mason for more information.

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used tool grinder - cnc tool grinding machine

used tool grinder - cnc tool grinding machine

Any machine tool is only as good as its tool. If the drills, lathe tools and milling heads wear out, regrinding is a must! Tool grinding machines keep the tool sharp and bring it back into shape. Tool grinding machines can also be used for tool production. To be able to machine any complex tool geometry, a conventional or CNC tool grinding machine usually has 5 axes. At Surplex you will find used tool grinding machines from the best manufacturers. Other grinding machines, grinding wheels and other accessories are also available - all used, but of high quality!

A tool grinder sometimes referred to as a tool and cutter grinder is a machine that is used to manufacture, sharpen and repair tool bits and milling cutters, as well as a range of other cutting tools. This versatile item of metalworking machinery can perform several grinding processes.

The tools and cutters used by various items of machinery need to be sharp and of the very highest quality at all times otherwise they can create substandard products. Planers, drills, milling cutters and various other machinery tools are subjected to huge forces of stress and friction during their use. These tools are required to perform functions of the utmost accuracy, which means they must be protected from wear and tear by a tool grinding machine.

The latest metalworking and woodworking machines are fitted with cooling lubricant dispensers, but even these arent enough to stop tools from becoming worn and damaged over time. This is why production plants of all types and sizes rely on the tool grinding machine. Not only does it improve and maintain accuracy, it reduces maintenance and repair costs.

A tool grinding machine is usually not mounted on a table. It works through the insertion of a tool, and requires a high level of skill from the operator. As well as a knowledge of the relationship between the metal workpiece and the grinding wheel, the operator must also understand the basics of tool geometry. The grinding process can take place both automatically or manually, but almost constant supervision of most tool grinders is necessary.

Large businesses tend to rely on a CNC tool grinding machine. This is because the grinding or cutting process is managed directly by a central computer. As the adjustments needed often involve very tiny and precise movements and measurements, there is significant scope for error. A CNC tool grinder manages the process in its entirety, reducing the chances of human error.

While computerised tool grinding machines are more expensive than older versions, companies have an opportunity to save money by purchasing used tool and cutter grinders. A used tool grinder may need maintenance and servicing, but it has a track record of performance behind it, which is something that can never be said about a new machine.

The average tool grinding machine consists of 5 axes, which repair and maintain step tools, drills, endmills and a wide selection of different machinery used in metalworking and woodworking facilities. The latest models from manufacturers such as DECKEL, SCHUETTE, WENDT and JUNGER often feature automatic tool loading mechanisms and the ability to host several grinding wheels. Modern tool grinders can also measure tools automatically and make adjustments to the grinding process, which allows for unmanned production and processing.

Lasers are used to measure tools with exceptional levels of accuracy. The smallest of imperfections can be identified and corrected automatically by a modern tool grinding machine, keeping production moving and as accurate as possible. In the past, a radius grinder and a D-bit grinder may have been needed for different tools. However, a universal tool grinding machine with CNC control can manufacture or repair all of the most common metalworking and woodworking tools in operation today.

If youre searching for a used CNC tool and cutter grinder, theres a good chance that Surplex.com has exactly what youre looking for. As well as tool grinding machines, we feature a wide selection of machinery used in metalworking and woodworking facilities. We sell used machinery at industrial auctions or directly from our site on a regular basis. However, if we dont have exactly what youre looking for today, keep checking the site for news of our latest sale events. Alternatively, sign up to the Surplex newsletter in order to learn about upcoming sales and auctions as quickly as possible.

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jones & shipman | hardinge

jones & shipman | hardinge

Hardinge has become a leader in grinding solutions with product lines like Kellenberger, Voumard, Hauser USACH and more. With offerings across the capability spectrum, let Hardinge be your partner for all your grinding needs.

By the use of most modern manufacturing means next generation technology is being created, which can meet the customers technical and economical requirements today and tomorrow. Wherever highly accurate grinding is required, Kellenberger precision grinding machines are in use

Voumard has been a leader in innovative ID/OD machines that can support small batch and production environments. Its product offerings represent multi-purpose, flexible and universal solutions for your ID/OD grinding requirements.

Hauser multi-axis jig grinding machines are specially developed for applications requiring complex double curvature profiles where very high standards of surface finish and accuracy are essential. Hauser machines are ideal for super-finished applications where accuracy must not be compromised.

Our focus is to address the demands of companies looking for a partner to help them find solutions to todays challenging, high precision grinding applications and automation projects. When a custom grinding solution is what you require, Usach can be your partner.

For over 100 years, Hardinge lathes have been and will continue to be a standard for quality, longevity and capability. Whether it is high volume production or holding tight tolerances, Hardinge can provide you with the right CNC lathe solution every time.

Our Gang Plate/Gang Turret line of CNC lathes gives you not only the productivity you demand for lean manufacturing but also the Hardinge-exclusive patented interchangeable tool top plate to dramatically reduce setup and cycle times.

Through our Bridgeport brand of vertical machining centers, Hardinge continues to set the milling standard around the globe. Our milling machines are designed to achieve maximum capacity and performance in a variety of industries and manufacturing environments.

The Bridgeport Series 1 Standard Mill the original, all-purpose mill has been the real thing in milling, drilling, and boring for metalworking shops throughout the world. Today, the Series I Standard continues to fulfill the industrys need for an accurate, reliable, and versatile mill.

We have various product offerings of 3 Axis capable CNC mills that can fit a variety of manufacturing requirements. We have a product portfolio that satisfies versatility, performance, or production needs.

An investment in Bridgeports latest generation of 5-Axis vertical machining centers will bring instant and positive results. Our unrivalled technology coupled with an unswerving commitment to improving our customers productivity and business performance have contributed to a large, and loyal, customer base.

Hardinge and its reputable portfolio of products, resources, knowledge and experience are ready to tackle your next machining challenge. As the only machine tool OEM provider offering turning, milling, grinding, workholding and custom manufacturing solutions, Hardinge is ideally positioned to provide you with an innovative, cost-effective custom solutions that meets your needs.

The diverse products we offer enable us to support a variety of market applications in industries including aerospace, agricultural, automotive, construction, consumer products, defense, energy, medical, technology, transportation and more.

Hardinge Inc. is a leading international provider of advanced metal-cutting solutions. We provide a full spectrum of highly reliable CNC turning, milling, and grinding machines as well as technologically advanced workholding and machine tool accessories.

An award-winning Machine Tool Manufacturer, founded in Leicester, England in 1899, Jones & Shipman has a wealth of experience and a Worldwide reputation for high quality and high precision Grinding Machines. Now as an integral product brand of Hardinge Inc. Jones & Shipman still serves the global market. Today we continue to service our Jones & Shipman legacy products worldwide. Hardinge Inc. is a leading international provider of advanced metal-cutting solutions. We provide a full spectrum of highly reliable CNC turning, milling, and grinding machines as well as technologically advanced workholding accessories.

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