Sandblasting technology offers diverse methods for cleaning, stripping, or smoothing the surfaces of various materials. Despite the ancient sandblasting methods being banned due to the risk of silicosis, there are still numerous safer substances available to help create impeccable finishes – whether it's refurbishing structural components or simply reviving smaller items.
Exploring the Significance of Blasting Steel Grit and Steel Shot Media
In the realm of sandblasting, two primary types of abrasives stand out: blasting steel grit and steel shot media. Both employ different materials but are generally regarded as integral parts of sandblasting, contributing to the overall effectiveness of the process.
Unraveling the Characteristics of Blasting Steel Grit
In Roster steel grit manufacturer, Steel grit comes in various shapes and sizes, facilitating a range of blasting profiles to achieve different outcomes. This type of abrasive is inherently angular, just as it's crafted to be. It excels at removing contaminants from various product surfaces and aids in forming final contours for new coatings. Steel grit finds common applications in removing mill scale, existing coatings on product surfaces, with typical grit sizes ranging between G25 – G80. The larger the grit number, the smaller the actual particle size of the blasting media.
These smaller particles result in finer blasting profiles on products. Conversely, larger particles (lower G values) yield deeper blasting profiles. Apart from profile depth, larger particles exhibit more effective paint removal, while smaller quantities of particles are best suited for removing lighter contaminants from surfaces. With a larger quantity (e.g., G80 grit), smaller particles leave profiles of 1 to 2 mils, while larger particles like G25 leave deeper profiles of 4 to 6 mils, all else being constant in terms of other blasting equipment settings.
Another advantage of blasting steel grit is its reusability. It can be used multiple times before requiring replacement. Mechanical abrasive media recovery equipment can be employed if you wish to recycle and reuse the media. This allows the media to be used approximately 150 to 200 times before necessitating a switch to fresh blasting media.
Delving into the Attributes of Steel Shot Media
Available in various sizes, steel shot media is always designed to be spherical. It's a hard abrasive with a Mohs hardness of approximately 8.0, similar to that of sand particles. This type of shot finds multiple applications, with its primary use being shot peening. Shot peening involves strengthening the surface of shot-blasted products by repeatedly impacting them with steel shot media. These repeated impacts compress the metal, thereby enhancing its strength. Some common applications of this effect, known as shot peening, include manufacturing gear components, springs, turbine blades, and camshafts. Besides shot peening, other applications involving this shot entail the need for maximum energy transfer to effectively create good surface profiles. This includes applications like concrete surface preparation, rubber buildup removal, epoxy resin and adhesive removal, among others.
Like grit, these shots have multiple uses before needing replacement, allowing approximately 150 to 200 cycles, depending on the applications of these shot-blasting techniques, assuming ideal abrasive media recovery equipment usage by skilled professionals. Steel shot sizes come in a range from s 110 – s 330. As compared to grit, the larger the shot number, the larger the size of the steel shot media, meaning shot size s 330 will be larger than s 110. Larger shots are used for removing thicker coatings and heavier blasting steel grit.
In conclusion, understanding your products planned for blasting and the desired final outcome post-blasting process is crucial when selecting blasting media. Based on these factors, decide on the choice of abrasive media and blasting equipment to achieve project execution excellence. If you find yourself perplexed in selecting ideal industrial sand blasting machine or media, Quality Spare Centre (a leading trader and exporter of metal shots and related machinery and equipment) would be delighted to assist you, as they have been developing expertise in the field since 1990. Additionally, their efficiency has been a key reason for successfully providing competitive services and machinery, which instills greater confidence in their commitment.
As a professional steel grit manufacturer, Roster offers a wide range of top-quality surface treatment equipment for various applications. Popular products provided by Roster are as follows:
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