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Author Archives: Mike Stygles

  1. A Look at the Different Types of Blasting Machinery

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    A Look at the Different Types of Blasting Machinery

    Blasting machines are designed to propel abrasive media toward the surface of a workpiece at high speeds. This process can result in a smoother or more textured surface, which improves the workability of the workpiece in downstream processing operations and/or enhances the performance of the workpiece in its intended application.

    There are many types of blasting equipment available, each of which has distinct characteristics that make it suitable for different surface preparation or finishing projects. Below, we provide an overview of the different types to serves as a helpful guide for readers.

    Types of Blasting Machines

    Some of the most commonly used types of blasting machines are air blasting equipment, ice blasting equipment, shot blast equipment, slurry blasting equipment, and wheel blast equipment.

    Air Blasting Equipment

    Air blasting equipment uses compressed air to push abrasive media through the blasting nozzle toward the workpiece at high speeds. The result is forceful but controlled impact, which removes material from the surface and causes deformation on the surface, depending on the type of media used.

    The types of air blasting machines available include:

    • Air blast cabinets
    • Automated air blasting equipment
    • Blast rooms
    • Portable air blast equipment

    Ice Blasting Equipment

    Ice blasting equipment can be classified into two main categories: wet ice blasting machines and dry ice blasting machines. Wet ice blasting equipment uses compressed air to propel wet ice (i.e., regular ice), while dry ice blasting equipment uses compressed air to propel dry ice. Both are utilized to remove surface contaminants and/or excess material from the surface of a workpiece.

    Shot Blast Equipment

    Shot blasting equipment employs spherically shaped particles to remove dirt, rust, and other surface contaminants from a workpiece. It can also be used to prepare the surface of the workpiece for other operations, such as coating or painting.

    Slurry Blasting Equipment

    Slurry blasting equipment utilizes a mixture of abrasives and pressurized water. This combination is ideal for cleaning and preparing surfaces when dust must be contained or eliminated or other blast media would damage the surface.

    The types of slurry blasting machines available include:

    • Slurry blasting cabinets
    • Automated slurry blast systems
    • Portable slurry blasting equipment

    Wheel Blast Equipment

    Wheel blast equipment uses a rotating bladed wheel rather than compressed air to propel abrasive media onto the workpiece. The resulting surface finish depends on the size, shape, density, and velocity of the abrasive.

    The types of wheel blasting machines available include:

    • Tumble blasters
    • Table blasters
    • Wire mesh belt blasters
    • Spinner hangers
    • Pipe blast systems
    • Roller conveyor blast systems
    • Monorail wheel blast systems

    Wet Blasting vs. Dry Blasting Equipment

    As indicated in the ice blasting section, blasting operations can be categorized as wet or dry. Both types carry unique advantages and disadvantages that make them suitable for different projects.

    Advantages of wet blasting machines include:

    • They generate less dust than dry blasting machines.
    • They require less abrasive than dry blasting machines.
    • They strip and clean the surface at the same time.
    • They carry a lower risk of explosion.

    Disadvantages of wet blasting machines include:

    • They consume a significant amount of water.
    • They produce mist which can reduce visibility.
    • They come at higher price points and cost more to run.
    • They generate waste that is heavy and hard to remove.

    Advantages of dry blasting machines include:

    • They come at lower price points and cost less to run.
    • They accommodate a broader range of blast nozzle sizes.
    • They generate waste that is lighter and easier to remove.

    Disadvantages of dry blasting machines include:

    • They produce more dust than wet blasting machines.
    • They carry a higher risk of explosion.

    Understanding these advantages and disadvantages is critical to choosing the right blasting machine for your project.

    Blasting Machinery From Dawson-Macdonald Co., Inc.

    Want to learn more about the different types of blasting machinery? Ask the experts at Dawson-Macdonald Co., Inc. We are the oldest and largest distributor of surface preparation equipment, including blasting machines, in the northeast. Our team can answer or address any questions or concerns you may have about these products.

    Need a blasting machine for your facility? We’ve got you covered. Request a quote to discuss your equipment needs with one of our representatives.

  2. A Brief Intro to Steel Abrasives

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    A Brief Intro to Steel Abrasives

    Steel abrasives are a type of media used in blasting equipment. They are available in two forms: shot and grit. Steel shot consists of spherically shaped particles, while sheet grit consists of irregularly shaped particles. They can be used to remove unwanted materials (e.g., rust, paint, and scale) from the surface of a workpiece, to produce a certain texture on the surface of a workpiece, and/or work harden the surface of the workpiece.

    Below, we highlight the advantages of using steel abrasives and the typical applications in which they are used.

    Advantages of Steel Abrasives

    There are many advantages to using steel abrasives for surface preparation. For example:

    Steel-Shot

    • It is inexpensive. Abrasive media is available at a relatively low price point, which makes abrasive blasting a cost-effective surface preparation method.
    • It is eco-friendly. Abrasive media can be reused over and over, making abrasive blasting more eco-friendly compared to other surface preparation methods.
    • It is efficient. Abrasive blasting removes unwanted materials from surfaces at faster speeds than traditional methods.

    Steel shot abrasives are often used due to its:

    • Effectiveness at removing surface contamination, which produces a completely smooth and clean surface
    • Durability and recyclability, which allows it to be used and reused across multiple operations
    • Versatility, which enables it to be utilized by wheel blast systems and air-powered blasting machines

    Common Applications of Steel Abrasives

    Many industrial operations rely on steel abrasives, such as:

    • Surface preparation. Steel abrasives are used to prepare materials for subsequent operations, such as painting or coating.
    • Cleaning. Steel shot and grit are used to remove unwanted materials, such as rust and paint, from metal surfaces. Typical components that undergo this process include cylinder heads, motor blocks, and railways coaches.
    • Stone cutting. Steel grit abrasive is integrated into multi-blade frames to cut large blocks of hard stone materials into smaller pieces.
    • Shot peening. Steel shot is used to repeatedly strike the surface of the workpiece. The impact of the shot against the workpiece causes deformation and improves the durability of the surface.

    Some of the industries that regularly perform these operations include:

    • Aerospace
    • Agriculture
    • Automotive
    • Construction
    • Foundry
    • Mining
    • Office Machines
    • Petrochemical
    • Shipyards

    Surface Preparation Solutions From Dawson-Macdonald Co., Inc.

    Steel abrasives play a vital role in a wide range of industries, from aerospace and automotive to mining and marine. They are used in a variety of manufacturing operations, including surface preparation, surface cleaning, stone cutting, and shot peening, to improve the quality of parts and products to ensure they are ready for the next manufacturing step or use.

    To learn more about these materials, ask the experts at Dawson-Macdonald. As the oldest and largest surface preparation equipment distributor in the northeast, we have the knowledge to answer virtually any question you may have about blasting media and machines.

    Additionally, if you’re looking for a reliable supplier of steel grit and shot, we’ve got you covered. We offer a broad selection of abrasives to suit different customer needs. Request a quote for specific product and pricing details.

  3. Applications for Industrial Vacuum Systems

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    Applications for Industrial Vacuum Systems

    hurricane vacuum“Industrial vacuum” is a blanket term that refers to different systems that use pressure and vacuum to transport material away from work areas to a repository where it can be eliminated. Industrial vacuum systems come in a variety of configurations and can be customized to meet the needs of various industries and applications.

    Uses and Industries

    Industrial vacuum systems are used across a wide variety of industries and applications, including:

    Sandblasting and Painting

    Industrial vacuum systems are used to remove dust, sand, and other abrasive materials generated by sandblasting and painting operations. By removing these unwanted and potentially hazardous materials, vacuum blasting systems ensure worker safety, environmental safety, and high-quality finished products.

    Large Chips / Debris

    Heavy-duty industrial vacuums are used on construction sites to remove chunks, large chips, and other sizable debris following the demolition of a structure.

    Vac System Applications
    Learn More

    Foundries

    Foundries produce metal castings, and it is crucial to control resting or floating particulate matter within these facilities. Crystalline silica is a byproduct of the metal casting process and poses a serious health risk to foundry workers. Industrial vacuum systems mitigate this risk by removing hazardous particles from surfaces and the air.

    Factories

    An industrial vacuum collection system is a critical part of any manufacturing operation. It’s used to clean up waste and byproducts or to help collect and reconstitute useable product spillage.

    Blast Recovery

    Industrial vacuum blasters are often used to remove potentially hazardous dust, rubble, and debris during the aftermath of an explosion.

    Mining

    Dust control is a constant issue for the mining industry. Mining operations such as blasting, draglining, bulldozing, shoveling, and other actions kick up dust creating hazardous air conditions. Industrial vacuum dust collectors help keep the air clean for laborers on the job site.

    Aerospace

    Instrumentation and interior components of aerospace equipment require a high degree of precision to operate. Dust and sediments can disrupt equipment leading to dangerous and critical malfunctions. Vacuum collection systems mitigate the dangers of dust in sensitive aerospace equipment.

    Food Grains and Ingredients

    The production of food grains and other fine ingredients results in high amounts of floating and resting dust. These materials are often combustible and must be removed by industrial vacuum systems to prevent fires and explosions. Vacuum systems also prevent cross-contamination between food products.

    Wastewater Treatment

    Surface runoff and domestic, commercial, industrial, and agricultural processes generate wastewater. To prevent environmental contamination, industrial wet vacs are used to quickly and safely remove and transport wastewater to treatment or containment tanks.

    Medical

    In a hospital setting, dust and biological matter can become airborne. If it is allowed to settle in areas such as the operating room, it can be extremely hazardous to patients and staff. Vacuum collection systems outfitted with HEPA filters are crucial to proper ventilation in a hospital environment.

    Cleanrooms

    Many industries that work with sensitive materials, such as semiconductors, medical devices, or chemical manufacturing employ cleanrooms to prevent dangerous contamination. Industrial vacuums equipped with extra filtration play a critical role in maintaining contaminant-free atmospheres and ensuring product quality.

    Ship Cleaning

    Freighters and tankers are responsible for transporting all manner of dry and wet goods including hazardous chemicals and oil. To ensure environmental safety, industrial vacuum systems are essential for keeping the deck and cargo area clean of potentially damaging materials.

    In-Plant Maintenance / Housekeeping

    Industrial vacuum collection systems aren’t just for taking care of emergencies. Factories and plants also employ industrial vacuums to keep the premises free of production buildup.

    Dust: Concrete Dust, Abrasive Dust, Wood Dust, Plastic Dust, Fine/Dry dust, Combustible Dust

    Many industries from woodworking to food processing create hazardous dust particles that can be combustible or unsafe to inhale. Heavy-duty industrial vacuums help to ensure safe breathing conditions while protecting against contamination, fires, and explosions.

    Ruwac Vacuums

    Industrial Vacuum Systems from Dawson-Macdonald

    Various types of industrial dust collection systems are used across several industries to create clean, safe working environments. Dawson-MacDonald specializes in industrial vacuum cleaners designed to tackle every possible application. Contact us for more information, or request a quote to get started on your industrial vacuum solution.

  4. The Need for Dust Collection in the Medical Equipment Industry

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    The Need for Dust Collection in the Medical Equipment Industry

    Medical Dust Collection Needs

    Many industrial manufacturing processes produce waste and byproducts. Dust particles and other particulates present an unseen hazard that goes unaddressed in many workplaces, resulting in negative impacts on employee health. Best practices and regulations across industries such as pharmaceuticals, mining, woodworking, and metalworking dictate that businesses must implement proper steps to protect workers from dust and particulates.

    Dust collection regulations vary from state to state, but in general, these regulations are intended to protect the workforce and the community at large from poor air quality and emissions. The medical industry is no exception, as dust collection is essential for protecting the sanitary integrity of medical equipment and the health of those who manufacture it.

    Why Do Medical Manufacturers Need Dust Collection Equipment?

    Medical equipment is subject to very stringent regulations in all phases of development, manufacturing, and use. In terms of dust collection, medical and pharmaceutical manufacturers are subject to regulations from the U.S. Environmental Protection Agency (EPA), the National Fire Protection Association (NFPA), and the Occupational Safety and Health Administration (OSHA), among others. These organizations stringently regulate operational safety and manufacturing practices to ensure that workers are properly protected, and that goods produced are safe for use in sterile medical applications.

    Need for Dust Collection in Hospitals

    In addition to dust control, medical device manufacturers must also control mist. Mist is another industrial manufacturing byproduct produced by many machining processes and is equally as hazardous as floating dust particles. Mist consists of moisture particles containing oil, coolant, or other chemicals given off by machines during the course of normal operation. When left unaddressed, mist can coat surfaces and make them slippery, chemicals may be inhaled and pose a health risk to workers, and oils and other chemicals may contaminate manufactured medical devices. Mist filtration systems purify the air in the production area, making employees and their environment safer.

    The exposure risk from dust, mist, and particulate byproducts is two-fold. Manufacturing workers bear the greatest risk, as they are prone to breathing in harmful materials but there’s also the integrity of the equipment to consider—especially in the medical device industry. Medical equipment must be as sterile as possible, especially for implantable devices and surgical equipment. Harmful dust and mist is tiny, often measuring just a few microns in size. This harmful material can easily permeate crevices, compromising the integrity and sterility of the equipment.

    The advantages of installing a dust collection system are therefore numerous.

    • Promotes employee health
    • Improves workplace safety
    • Ensures the quality of your products
    • Increases employee retention
    • Maintains regulatory compliance
    • Enhances process efficiency
    • Elevates bottom line

    Critical ApplicationsMedical Equipment for Dust Collection

    Many common manufacturing processes produce mist and dust particles. The implementation of dust collection solutions is essential for controlling unwanted dust in applications such as:

    • Grinding and deburring. Grinding and deburring are post-production processes meant to clean and smooth rough-hewn edges after principal machining is complete. Whether the substrate material is wood, plastic, metal, ceramic, or something else, grinding causes a large amount of dust byproduct.
    • Sanding and polishing. Sanding and polishing are used to create a smooth surface finish, but they often generate a great deal of ultra-fine dust in the process. Whereas grinding addresses the material’s edge only, manufacturers perform sanding across the entire surface.
    • Routing and cutting. Any form of blade- or tool-based cutting naturally produces dust particles. Dust collection equipment is often used in conjunction with cutting and routing equipment to address the resulting particles.
    • Mixing and weighing. Pharmaceutical manufacturing and plastic-based manufacturing processes often require mixing granular powders together. Dust particles are stirred up in the process, creating the potential for cross-contamination.
    • Blow offs. Once other post-production processes are complete, manufacturers often use equipment to blow excess dust off the surface of the finished product. This process cleans dust from the equipment surface, but often sends it into the air where it may be inhaled or settle in unwanted places.
    • 3D printing. The plastic or metal material used by 3D printers initially comes in a resin or powdered form, which in some cases may be agitated into the air. Industrial dust collection equipment is essential to prevent your employees from breathing in harmful plastic or metallic particles.

    Medical Dust Collection Solutions From Dawson-Macdonald

    Dust collection equipment is an essential component of any manufacturing process. It helps to promote a safe work environment, keep employees healthy, and maintain compliance with governmental standards.

    Industrial filtration equipment from Dawson-Macdonald can help protect your business from harmful dust, mist, and fumes. Our solutions use cartridge and bag collectors that are self-cleaning and are available with HEPA filtration. We offer machine mounted, stationary, and portable solutions to address a wide range of working conditions.

    For more information, please contact us or request a quote today.