Disposable collection bags can serve as a pre-filter, but buying bags is pricey and inconvenient. More than eliminating the hassle of shaking out the filter when you empty the can, the cyclone keeps the filter clean so that the vacuum continually works at peak performance. Add a HEPA filter. HEPA-rated filters are available for all vac models old and new. They pop in easily and capture the finest dust.
The clogging problem. All shop-vac filters clog, but HEPA-rated filters clog even more quickly. Dust deputy keeps filters clean. It will collect almost all of the dust and chips in its big pail, keeping the filter clean and suction at the max. Add a remote trigger. Connect to everything. Inexpensive aftermarket hoses and fittings can connect any vac to almost any tool.
I built a dust box on my router-table fence to accept the hose. The vac-assist on my mitersaw grabs three-quarters of the mess, which I consider a victory with this notorious chip sprayer. Premium models like these offer features like auto-start outlets and filter cleaners. For most folks, a single-stage dust collector is the practical choice. Like everything related to wood dust, full-sized collectors have gotten better, thanks to new filter technology.
Old dust bags only grabbed particles bigger than 30 microns, blasting out the finest, most dangerous dust at head height. Next-generation dust bags boast 5-micron filtration, which helps keep shops cleaner, but still leaves fine dust in the air. A pleated cartridge filter is a smart investment for single-stage collectors. The increased surface area allows very fine filtration without choking airflow.
If you are in the market for a new dust collector, get one with a pleated filter, sometimes called a cartridge or canister filter. If you already own a collector with one of those dusty old bags, a canister is a simple upgrade. Although most employ internal flappers, which rattle the pleats to shake out caked dust, the flappers can abrade the paper and wear out your filter. To protect your investment, blast it out with compressed air once a week, or after heavy use.
Unclog it regularly. Blowing out the filter with compressed air eliminates the wear and tear that happens from using the internal flappers. Stay 6" away to avoid perforating the paper. Add blast gates. A simple two-gate system lets me keep a short hose permanently connected to the table saw and offers a second hose for other machines.
Another awesome remote. Just plug your dust collector into this controlled outlet, turn it on, and use your remote control to switch the collector on and off. This unit keeps the collector running for a bit after you switch it off to clear the machine and line. Permanent connection.
Dedicate a standard hose to the machine that gets used most, like your table saw. Stretch hose goes everywhere else. This expandable hose reaches about 15 feet though you should keep hose lengths shorter than that , letting me keep my big dust collector in one spot. Tapered hose-end fittings allow me to simply plug the hose into the ports on my newer machines.
Single-stage models are still the best deal in dust collection. Quick View. Add to Cart. View Details. Powermatic - TurboCone Dust Collector, 1. Rikon - Portable Dust Extractor. Laguna - C Flux 1. You must be logged in to write a comment.
Log In. Find a Store. My Account. My Cart. Go to Home Page. Mobile Navigation. Same Day Shipping Find a Store. Search Go. Topics Cabinetry. Choosing Hardware. But usually there's still an invisible culprit lurking in the shop: the wood powder with particles so small that it can pass right through the filters on some vacuums and the bag fabric used for inexpensive chip collectors. Like demon seeds ready to unleash contagion, these diminutive dust particles are so light that they can travel around on the air itself, held aloft by static electricity and circulating air currents.
You can barely see the largest particles under ordinary lighting, but they're there, remaining airborne for hours after the last board has been sanded. How small are the fine dust particles that can harm us? Minute wood-powder particles-particularly those between 0. Really tiny particles under 0. The phenomenon is known as he Tyndall effect; you've seen it in the movie theater when dust or smoke passes in front of the projection beam. Because we breathe in a certain amount of dust in our everyday lives, our bodies have built-in protection mechanisms, as depicted in the drawing above.
These respiratory defenses include: nasal hairs, which snag large particles as you inhale; mucus, a sticky blanket that lines your respiratory tract and acts like flypaper to capture errant dust particles; and cilia, which are tiny hairs that line your respiratory tract.
Like the tentacles of a sea anemone, the cilia work to transport dust particles trapped in the mucus using a beating motion that takes place about 10 times each second and move them toward the back of your throat where they can be swallowed or coughed up. The cough reflex is a protective reaction that works to expel the mucus and dust that builds up in the respiratory system. Finally, deep in your lungs, alveolar macro phages clean out dust that gets into your alveolar sacs. Defenses against Dust Nasal Hairs: Coarse hairs that trap larger dust particles that are inhaled.
Cilia: Tiny, hair-like arms that work to sweep dust-laden mucus out of the lungs and air passages Mucus Blanket: A sticky coating that lines entire respiratory system; catches microscopic dust particles like flypaper, so they can be discarded by the cilia. Cough Reflex: A protective natural reflex that helps to expel dust and mucus from the respiratory tract. Alveolar Macrophages: Special cells that travel around the alveoli, serving to clean out dust that interferes with the alveoli's function of oxygenating the blood and expelling carbon dioxide.
Minute dust particles harm us by interfering with the lungs' functions in a variety of ways. As large quantities of dust particles become lodged in the lungs, they tend to foul the dust-ejection systems described in the previous paragraph. Copious amounts of dust clog the natural cleaning action of the lungs' cilia, which leads to irritation. As the cilia become more clogged, their effectiveness is reduced, so the lungs lose capacity to eject dust. Eventually, chronic exposure leads to permanent damage of the lungs' tissues, resulting in the buildup of scar tissue.
By restricting the absorption of oxygen into the blood, chronic exposure to fine dust can lead to shortness of breath and dizziness. The effects of dust can also weaken the body's natural defense mechanisms, making you more susceptible to bacterial or viral infection and illness.
Long periods of exposure to fine wood powder can lead to conditions similar to cold and flu symptoms, including coughing, sneezing, bronchial inflammation, shortness of breath, and a runny nose as a result of increases in discharge of saliva and phlegm from the respiratory passages.
The kind of lung problems that sometimes develop in woodworkers from chronic inhalation of wood dust are similar to those developed by longtime smokers: chronic bronchitis and emphysema. Worse, chronic exposure to wood dust may even cause cancer: The National Institute for Occupational Safety and Health NIOSH considers both hardwood and softwood dust to be potentially carcinogenic to humans. Three types of cancers associated with wood-dust exposure are nasal and sinus cancer, Hodgkin's disease, and lung and other cancers.
Woodworkers are about 1, times more likely to develop nose cancer than non-woodworkers although only one out of every 1, active woodworkers will ever have to deal with this horror. As with the respiratory problems described in the previous paragraph, nasal cancer tends to develop over many years, sometimes with decades between initial exposure and the outbreak of symptoms. In addition to the harmful effects of the dust particles themselves, wood workers may also be negatively affected by soluble chemical components carried in or along with wood dust.
These chemicals include a whole gamut of resins and extractives, commonly found in but not limited to exotic species of hardwoods. Extractives serve a living tree by repelling insect attacks and retarding the decay of the tree's nonliving heartwood. Wood dust carrying extractives can exacerbate the effects of the fine dust particles themselves or cause allergic reactions in woodworkers who are sensitive to the extractives' chemical makeup sometimes after only limited contact.
These chemicals include natural classes of compounds with strange-sounding names, such as alkaloids, glycosides, saponins, and quinones. Wood species with extractives that are more prone to cause allergic reactions include redwood, mahogany, boxwood, western red cedar, yew, satinwood, teak, ebony, and wenge see the chart above. Western red cedar is one of the most infamous of these species because it contains an allergen called plicatic acid that causes a condition commonly know as red-cedar asthma.
Another possible source of allergic reactions from wood dust are the spores of fungi that can be contained in the dust. Certain fungi cause decorative staining in woods, known as spalting see the photo on the facing page. Dust from spalted wood has been suspected of causing idiopathic pulmonary fibrosis, a horrific disease that's treatable only by lung transplant and can result in death. Even a fungus occurring in the bark of a tree can cause allergic reactions or worse. A condition known as maple bark disease is ostensibly caused by the fungal spores found in maple bark, which are released when the wood is cut or when maple burls are turned on the lathe.
The sawdust created when cutting man-made sheet goods-such as particleboard, plywood, and melamine-coated particleboard right -includes not only wood particles but also glue and other potentially harmful substances. In addition to the potentially harmful effects from the natural compounds found in wood, there's also the danger of dust from the adhesives used in woodworking.
These include glues used to manufacture wood-based materials, such as particleboard and plywood, and glues used to assemble projects. One of these adhesives-polyurethane glue-contains isocyanates, which cause severe reactions in some people. Working with recycled wood from old houses and barns can also present health problems.
This wood may be coated with lead-based paints or treated with wood preservatives containing toxic substances, such as pentachlorophenol and copper naphthenate known commercially as copper green. Pressure treated lumber is also impregnated with these kinds of preservatives, including chromate copper arsenate CCA.
When you cut, plane, shape, or sand such wood, you create dust that can carry these substances into your lungs, where they are subsequently absorbed into your bloodstream. Severe symptoms from exposure to both natural and manufactured chemicals in wood dust may include skin rashes, headaches, facial swelling, wheezing and coughing, and conjunctivitis irritation of the eyes.
Ingestion can also be a factor because particles trapped in the mouth and nose usually end up getting swallowed, where toxins are absorbed by the digestive tract. Just as with the respiratory problems from fine dust particles themselves, what makes the breathing of other chemicals carried by wood dust such an insidious problem is that symptoms don't always manifest themselves quickly.
Unless you exhibit an allergic reaction that suddenly alerts you to a wood dust-related health problem, symptoms might take years or even decades-to appear. I read one story about a longtime woodworker who was commissioned to build a couple of dozen redwood cabinets. One afternoon, he was having difficulty breathing his bronchial tubes became inflamed by the volatile oils in redwood dust, causing constriction in his air passageways. By the time he got home, his breathing was so labored that he had to go to the local emergency room, where a doctor diagnosed a condition known as occupational asthma.
Treatment required him to take a bronchial-dilation medication, and because his air passageways were sensitized and prone to overreact to any kind of dust, he had to stay away from dusty environments including his own woodshop and continue taking medication for several years. As with most serious health problems, it's always more difficult to overcome a problem once the body has experienced chronic damage. This is yet another good reason to evaluate your dust-control needs carefully so that you're not trading your future good health for the enjoyment and income, if woodworking is your vocation you get from your pastime-or your profession-of woodworking.
How much wood dust can you breathe and still be safe? To protect people who work in the wood-products industry as well as in dozens of other industries , the Occupational Safety and Health Administration OSHA has developed a set of guidelines for wood-dust and worker-respiratory safety. While the regulations imposed by OSHA are designed for woodworking businesses with one or more employees, the guidelines also provide hobbyists and weekend woodworkers with a good understanding of how little fine dust it takes over time to cause respiratory problems.
This is referred to as a time-weighted average or TWA. While this standard applies to most common hardwoods and softwoods, dust from "allergy-prone woods, such as western red cedar, must be kept down below half that amount: a TWA of 2.
While these amounts are averages over time, OSHA also specifies a ceiling for dust concentration for exposures longer than 15 min. While OSHA dust standards are highly regarded, they are not the strictest. While these amounts may sound minuscule, daily exposure over many years clearly has no small impact on respiratory health.
This means that in a single work day, the average amount of fine dust in a cubic foot of space should equal only a little more than one tenth of a milligram about the weight of a flea! How can you tell if your shop has too much fine dust floating around in it? Unfortunately, you probably can't. To quantify accurately how much airborne fine dust there is in your shop requires a direct-sampling measurement. This is done by taking a sample of dusty shop air and then processing a predetermined volume through a special device that measures the amount of dust in it.
You can hire an industrial-ventilation specialist to come to your shop, evaluate your dust problems, and recommend remedies for them. However, hiring a specialist is an expensive proposition, usually necessary only for professional businesses and one that most hobbyist and part-time woodworkers don't really need to undertake.
On a practical level, if you're power sanding without some form of collection and are spewing out great clouds of visible dust, you can bet that you're churning out unhealthy levels of invisible, respirable dust as well. Regardless of what tools you use, if you find yourself picking gobs of dust out of your nose at the end of an average day of woodworking, you've almost certainly been exposed to too much dust.
For most of us, the best way to ensure that the air quality in our shops is not deleterious to our health is to act preemptively: Control fine dust before its adverse effects become a problem. The means to put the kibosh on dust involves implementing control measures such as collecting at the source, using air-filtration devices, and wearing personal-protection devices such as respirators, all of which are discussed extensively in later sections of this guide.
Controlling fine dust is especially important if you power-sand often and with gusto because no other kind of fine-dust production equals the output of a power sander. Fire and Explosion Hazards Beyond the risks of long-term exposure to wood dust, the greatest immediate hazard of having wood chips and dust around the shop is the risk of fire: Just think of what you typically use to touch off a blaze in your fireplace or barbecue-it's probably wood kindling.
Any wood debris, from shavings to chips and powder, can be ignited with remarkably little effort. Smoking in the shop is clearly a grave hazard; I heard one story which fortunately didn't end tragically of a boss who had his workers frantically shovel a mountain of planer shavings into the street after he'd accidentally dropped the glowing end of his cigar into the pile. Similarly, tossing an oil finish-impregnated or solvent-soaked rag on a sawdust-strewn floor or chip-filled waste is asking for trouble.
Even if your shop is usually clean and tidy, it can't hurt to keep a fire extinguisher on hand to prevent a small fire from becoming an all-consuming blaze. Although it might not seem obvious, fine wood dust can also pose as high a fire risk as chips and shavings as well as an explosion hazard, as discussed later in the section. There are many documented cases of shop fires caused by a layer of fine dust atop overhead light fixtures, ignited by the heat of the lamps.
With fluorescent lights, the heat of the ballast may be enough to cause a fire. Believe it or not, chips and shavings from working unseasoned wood, such as from turning green wood, can also pose a fire hazard. Damp shavings left in a pile produce organic heat, like a compost pile, and can even generate enough heat to combust spontaneously. Just to be safe, remove damp shavings from the work area or keep them in a fire-safe container.
Cleanliness is the best way to prevent a fire in a workshop. Make sure to get out the shop vacuum every once in a while and clean off all light fixtures, electrical outlets, and piles of chips that have accumulated around benches and machine tools. Even well-designed central collection systems aren't percent efficient; some chips end up around the bases of the machines. To ensure fire safety prior to disposal, store dust and chips in metal or fire-resistant containers.
A regular galvanized-metal trash can with a tight-fitting lid works just fine. It's ironic, but the same dust-collection system that helps keep sawdust off the floor to reduce the possibility of fire can be responsible for a rare yet devastating kind of danger: an explosion caused by the ignition of fine wood dust by a static-electric charge. When certain concentrations of fine wood dust are mixed with air the lower explosive limits are to g of dust per cubic meter of air , an errant spark can cause an explosion with tremendous force see the photo at right.
In a woodshop, the most common place where dust concentration can reach explosion potential is in the collection system itself: inside the ductwork, the blower, or, most often, the dust-filter bag or canister. If a spark from a static-electric charge ignites a cloud of fine dust, it can cause an explosion strong enough to blow the dust collector apart. But what's worse is that the burning dust and gases that are expelled by the shock wave can produce an additional source of combustion especially if the shop is dusty , creating a chain of explosions that can level a large shop.
Although such woods hop explosions are rare, I've read a few grisly accounts about woodworkers who were thrown through walls and were badly burned-enough to make it clear that it's worth taking every reasonable precaution to prevent explosions. The best way to prevent a fine-dust explosion is to keep your shop clean, eliminate any open flames such as from a furnace, water heater, or cigarette , choose a central collector with a non-sparking fan wheel, and make sure your dust system is properly grounded.
Grounding allows most static charges to dissipate harmlessly, rather than building up and releasing in a sudden burst, which can trigger combustion. Although it's probably not a big issue in most shops, be aware that working with aluminum can present a very serious danger, even if your wood-dust system is perfectly safe. Any reactive metal dust, such as from grinding or sanding aluminum, is much more susceptible to fire and explosion than regular wood dust.
Please don't try this at home! Keep Shop Lights Fire Safe: YOU can help to prevent fires in a shop that has overhead lights by getting up on a ladder once every few months and vacuuming off the top surfaces of hanging fluorescent fixtures or the reflectors on incandescent lights. The wand or brush attachments that comes with most shop vacuums are great tools for this job. A custom furniture maker in New York, used to say that he gauged the success of his woodworking business by the size of the pile of chips and shavings that accumulated behind his shop he called it "Mt.
Before going into a lot of detail in subsequent sections about the various methods of collecting dust and chips, a word is in order about what to do with these generally unwanted woodshop by-products. Large cabinet- and furniture-manufacturing plants deal with the mountains of sawdust they generate by installing special equipment to turn their wood waste into a source of energy.
These include furnaces that burn sawdust and chips directly, producing energy for powering plant equipment or for space heating. Another device called a "bricketer" compresses collected dust and fuses chips and shavings into little round briquettes that will be burned in a furnace. Unfortunately, such machines are big and expensive, making them highly impractical for all but the largest woodshops. If you have a small shop in an urban area and don't produce much more than a bag or two of sawdust a week, you can probably get away with disposing of sawdust with your regular household garbage.
Many municipalities require you to put the sawdust in sealed bags before placing it in refuse cans. This practice keeps clouds of dust from rising when cans are emptied into collection trucks.
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|Pinnacle sports betting articles on euthanasia||You can compost sawdust from just about any kind of wood species, although you might want to limit the quantity of dust from extractive-laden exotic species rosewood, teak, etc. One afternoon, he was having difficulty breathing his bronchial tubes became inflamed by the volatile oils in redwood dust, causing constriction in his air passageways. My point being, some airborne dust saw or otherwisein a hobby environment would be rusting my saw tops and rarely used equipment to no end if it were the case. Different types of operations create different-size chips, from large shavings to fine dust. To reduce the fire hazard, keep sawdust awaiting a trip to the dump in metal containers stored away from buildings. Google for some images of wood "bucks" used in sheetmetal,car body restoration work.|
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|Betfair in game betting football||As a by-product of the woodworking process, sawdust occurs at practically every phase of a project: when dressing lumber with hand-planes or thickness betting machines for fine wood dust and jointerswhen cutting out and shaping parts with power saws and handsaws, routers, shapers, and drillsand when smoothing parts with stationary sanders, power finis sanders, irish 2000 guineas 2021 betting tips hand-sanding blocks. Because we breathe in a certain amount of dust in our everyday lives, our bodies have built-in protection mechanisms, as depicted in the drawing above. You must be logged in to write a comment. In addition to the potentially harmful effects from the natural compounds found in wood, there's also the danger of dust from the adhesives used in woodworking. I completely agree that the tolerances in metal working are much greater than wood but I also spent much of my youth nagging the daylights out of an amazing old retired machinist in my neighborhood who basically had a full fledged shop in his large basement.|
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You can choose anyone on the base of your cheaper energy resource. Besides, you can also take wood crusher into consideration according to your raw material. If your materials are wood logs, you need to use wood chipper for preprocessing prior to a wood crusher or wood hammer mill. Electricity-saving: the smallest wood hammer power is only 2. Safe to operate, low noise, stable working.
Low malfunction rate, easy to operate and low maintenance cost. Could process raw material in different or irregular size into even wood particle size. Raw material: Electric wood hammer mill is suitable for processing relatively soft raw materials such as wood branch, wheat straw, corn stalk, cotton stalk, etc. Electric wood hammer mill can be used in wood pellets production , biomass briquettes production, animal feed pellets production or papermaking industry.
Your Name required. Your Email required. Your Message. Designed to fit all of our vacuums with room for up to 8 attachments. HEPA filters are That means cleaner air and a cleaner workplace. The Overhead Toolkit is our most popular accessory to help keeps walls and floors clear of dust and debris. They are our only ATEX Certified and Anti-Static electricity vacuums to minimize the dangers of explosion in the presence of flammable material.
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