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An Overview of Options and their Application

The doctor blade appears to be a simple component of the flexographic printing process but, as often is the case, appearances can be deceiving. The casual user might wonder what is there to think about, a blade is only a piece of steel or plastic. To better understand the need for all of the doctor blade options, consider the role of the doctor blade.
Flexographic printing requires the Dr blade to provide a constant wipe throughout the pressrun, so that the ink volume carried by the anilox roll to the plate is determined only by the anilox volume. If the doctor blade is not working correctly, the ink volume carried to the plate will include the anilox roll volume, plus some amount of surface ink Any sur-face ink remaining on the anilox roll will be variable and lead to variation in the printed product. To achieve constant wipe, different materials and edge profiles are available so that you can better match a doctor blade to the application.

tips for better finishing with steel brushes

Steel wire brushes are a common and essential tool in any metal fabrication shop. These brushes can be used for a variety of applications, including weld cleaning, deburring, rust and oxide removal, surface preparation, and surface finishing.

One reason wire brushes are so widely used is that, unlike solid abrasive wheels, steel filaments will not remove base material or change part dimensions. Wire brushes clean surfaces in the same manner as sandblasting, except that rather than particles of sand colliding with the work surface, wire tips make contact with the workpiece. The combination of good-quality, hardened steel wire tips with the energy of high surface speeds enables the brushes to separate surface contaminants from base material.

Steel brush also is versatile, with many different configurations available to meet the requirements of each application. For example, brushes with long filaments are conformable and able to follow contoured surfaces, and short trim brushes are fast-acting and suited for severe applications. Another variable is the fill density: Low-density brushes offer good flexibility for surface cleaning operations on irregular surfaces, and high-density brushes produce a fast brushing action and long brush life.

In addition, steel brushes are nonloading. In other words, they do not become clogged with particles and debris when used to remove paint and similar coatings.

Perhaps because wire brushes are such a familiar item, they are easy to overlook and often receive insufficient attention. However, five tips can help you improve the performance and life span of your wire brushes.

1. Use the Highest Safe Speed

Safety Considerations for Robotic Cleaning Machines

This year, facilities are using automatic floor scrubbers 24% more than they were last year1 to meet a higher demand for cleaning. As facilities continue to invest in robotic cleaning machine, and more new technology arrives on the market, safety is top of mind. It will continue to be important to maintain the strictest safety measures in the way buildings are cleaned as well as how autonomous cleaning machines are programmed, operated and maintained. This toolkit will address safety issues introduced by the adoption of robotic cleaning machines and some of the standard operating procedures, protocol and features that can help improve safety.

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