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No matter whether you're swapping out a bit of trim around the fireplace, or constructing your whole house from the ground up it's not a good idea to take short cuts when shopping for your tools.

Types Of Metal Fabrication -- Bar Milling, Press Brake Forming, And Sheet Metal Fabrication

Experts in metal production use a number of varying techniques to manufacture custom fittings, parts, and other commercial and industrial solutions. Every technique can produce a totally different product with unique characteristics. Regardless of whether it's press brake forming, bar milling, or sheet metal fabrication, each of these techniques has its own advantages. This article looks at these three main types of metal production.

Bar Milling

By reforming an existing metal bar into a certain length, shape, or form, bar milling can help fit metal to specific jobs just like when you use a router on wood in furniture making. It can take traditional square or round bars and turn them into angled or hexagonal bars. Bar milling also allows for adding grooves and other features. This process can be used with several materials, including stainless steel and brass. To make each shape, an expert designs a series of cutters that might include slots, roundovers, bevels, or other shapes. Then, the piece is milled down until achieving the proper dimensions and a smooth feel.

Press Brake Forming

With a computer operated machine that is capable of high pressures of up to 350 tons, press brake forming squeezes metal into the shape you want. Some machines can even work with material up to 3/8" thick and approximately 12' in length. The press brake forming process works with a number of materials that include carbon steel, stainless steel, brass, and aluminum.

Press brake forming has many uses. It can make metal framing, brackets for equipment and machines, metal housing for a specific part, or even decorative metal touches for sprucing up anything. It is a great solution for people who need prototypes for equipment and machinery, large numbers of brackets, fastening solutions, or replacement parts.

Sheet Metal Fabrication

Perfect for precision cutting and detailing, sheet metal fabrication allows experts to use welding, press brake forming, laser cutting, shearing, and punching to create just about anything from this thin and versatile metal. It is used for products from hopper bottoms and cultivator shovels in the agricultural industry to decorative pieces, guards, frames, conveyor parts, and more for a number of other industries.

Sheet metal fabrication is used to form many types of frames and covers. It can also work as a cover for a column or in ventilation. Fasteners and other types of components are often made with sheet metal fabrication, including parts in the conveying, transportation, and refrigeration industries. Even recreational activities like amusement park rides are enhanced through sheet metal fabrication.

Depending on the type of project, any one or all three of these types of metal fabrication techniques can be used. Once the metal is fabricated, welding connects everything to provide a finished project. Upon completion, a quality provider usually checks the project for accuracy, quality, and durability before giving the okay. Whether press brake forming, bar milling, or sheet metal fabrication, there is a metal production technology out there that can produce exactly what you need.


Glass Grinder Bits

There are many tools that are essential to complete a handyman's arsenal, and a glass grinder is one of the tools that are less frequently used but still important. A grinder bit s used to cut pieces of glass, and it is a specialized tool that is only used for glass. Know what grinder bits do and how to use them is an important part of finding and purchasing one.

Glass grinder bits are actually separate bits that do not come with a set of Dremel tool bits, but you can easily find your own grinder bits. They are shaped similar to the other bits for the Dremel tool, but you can tell them apart by the fact that the edge of the grinder bit is sparkly. This is because low grade diamonds are used to cut glass.

Using glass grinder bits is actually fairly easy, and you can cut easily using the following steps:

Step 1: Outline on the piece of glass the design or shape that you want to grind into the glass. Usually you will need to draw the desired design for your piece of glass, as it is difficult to keep the Dremel tool to a particular path if it is not clearly laid out. You can use a marker, although many cutters use a grease pencil to make the markings on it.

Step 2: Grinding the design into the glass begins by selecting the right grinder bit for the job. Glass grinder bits come in all different sizes, and you need to select the right size bit for the grinding that you will be doing.

Step 3: Attach the grinder bit to the Dremel tool according to the instructions. Be sure to tighten the Dremel tool properly to ensure that the grinder bit doesn't spin out as you are using it. Glass grinder bits can be dangerous if they spin off a Dremel tool, so it is vital that you secure it properly.

Step 4: Begin at the outer edge of the piece of glass, and begin grinding in towards the center.
Follow the pattern that you have outlined in it, and make sure to do the outer designs of the glass before getting to the middle portion of the glass. Doing the outer areas first ensures that the glass dust doesn't build up and obscure your view of your grinding. You will often need to brush away the dust as you work, as the dust will build up as you use the glass grinder bits.

Step 5: Once you have finished grinding the glass, turn off the Dremel tool and set it aside carefully. To finish off the grinding, you can use a sanding bit for the Dremel tool, and use it at a medium setting to give your outline a good rub down. This will create a frosted, even, and smooth appearance that makes glass look elegant.

As you can see, using glass grinder bits is fairly easy, and you can easily buy your own set of glass grinder bits to allow you to etch fancy patterns and designs. You can even create your own stained windows if you get good at using the grinder bit.


Using Hardwood Floor Sanders

Refinishing your hardwood floors yourself can be time consuming and a bit scary at first but well worth it in the long run. It can cost a bundle to hire a professional to refinish your floors for you, but if you have the time, you can do it yourself. The most difficult part is learning to run the sander. Many people are afraid of ruining their floors, and you can really damage a floor if you do not take care in the sanding.

Sanding is fairly easy if you pay attention and the finish does not take as long to dry as you might have been led to believe. You can rent a sander from your local Home Depot or hardware supply store. Youll need a drum sander, a belt sander or both. They will explain to you how to use the machine and tell you what kind of sand paper to purchase. They will also tell you what kind of stain and finish to get. Make sure you also pick up some dust masks because you will have saw dust everywhere.

The key to a good floor finish is the surface, so the most important thing when learning how to run the sander is getting a feel for the equipment. Sanders are not as hard to use as you think. They are loud and messy, but fairly easy to operate. Just keep the sander in motion at all times. Moving the sander in a constant motion will reduce the risk of damaging your floor. Equate it to using an iron on your clothes if you stop in 1 spot too long youll burn a hole. The sander is similar since it creates a lot of heat, keeping it in 1 spot can burn or dent your floor.

The sander is a self propelling machine so it is easy to move, but you do need to keep in control of it at all times. Retain a firm grip on it when you power it up and you will get the hang of it after a few passes. You might even think its fun!

Once you have removed to old finish by sanding, of course, you will need to apply the new finish. First you will apply a stain (if you want a stain some folks like to leave their floors natural) and then the finish to protect the floor. There are basically two types of floor finishes: one is oil-based and the other is water-based polyurethane. Furthermore, oil is broken down into a semi-gloss, gloss or satin.

Satin is a good choice for a hardwood floor because it hides small flaws and lets the natural beauty of the wood show without a bright shine. An oil based finish will give your floor a warm amber glow. A water based finish will dry quicker and keep from yellowing.

Make sure you let each coat thoroughly dry before applying the next. Follow the manufacturers instructions on the finish before you occupy the room again. Usually you can move your furniture back in after about 24 hours.

Dont be overwhelmed. Just take it one step at a time and youll soon have a beautiful new hardwood floor.


On The Precision Use Of A Grinder Saw

One of the most important parts of an Angle grinder is grinder saw or the disc which helps in removing excess material or simply cut in to pieces. The various kinds of discs which help in achieving this are abrasive grinding discs, cut-off discs (diamond blade), grinding stones, wire brush wheels, sanding discs and polishing pads.

The grinder saw and the motor determine the overall output of the work. To get the maximum output, grinding discs which have appropriate backing, coat, and abrasive material should be carefully chosen.

For paint removal and fiberglass grinding, an open coat with durable fiber backing saw is used. Closed coat saw are made of aluminum oxide and fiber-backed, typically used for fiberglass, wood, and metal sanding. Fiber Discs are alumina zirconium mineral-based. Sharp, strong, and versatile, offer supreme debarring, weld grinding and blending, and metal removal.

The disc size is directly proportional to the power. Most common disc sizes are: 4, 4.5, 5, 6, 7, 9 and 12 inches.

Geometric setting is done to the grinder parts so that instrument functions best. The circular grinder saw must be tensioned to properly operate because when the saw comes to speed, the rim stretches due to centrifugal force. If they are not properly inserted, the saw will not move perfectly. They may move like a sauce pan ride. A saw that is to be run at higher speed will have to have more tension than one operated at slower speed. Hence while hammering the saw, the RPM to which it is going to be used and the power of the grinder should be well informed.

The grinder parts include inserted tooth blades which allow easy repair as they eliminate the need to regrind the gullets and swage the teeth. Also inserted tooth saw doesn't reduce in size as time goes by.

Sharpening of these saw is usually done periodically to have a precise cutting edge. It could be done manually like filing by hand or using some specific gadgets. Manual or machinery methods depend on the amount of sharpness required and material they are used with. Cutting is done by the teeth on the edge of the thin blade.

The grinder saw shows some marvelous characteristics such as straight and accurate cuts. Though there could be some blurs left on the cutting surface by the saw, mostly they have a good surface finish.


Learn What Makes Abrasive Waterjet Cutting Superior to Other Cutting Techniques

Waterjet cutting is a water-based cutting tool that is capable of cutting, slicing or carving several different types of materials in the industrial and commercial arena. A pressurized jet of water is forced through a small orifice to enhance its cutting capabilities. Materials up to 12" thickness can typically be cut using this method.

While some applications make use of pure water, there are some others where abrasive materials are mixed with water for better cutting capabilities. When the water-abrasive mixture is used for cutting, it is referred to as an abrasivejet. Abrasivejets are used primarily for cutting hard materials such as stone, metals or alloys. Other softer materials such as food, cloth, rubber, and paper can be easily cut using pure jets of water. In certain high-pressure water jet cutting applications, the water pressure could be higher than 60,000 PSI.

The advantages of Abrasive waterjet cutting technology

While it is true that this cutting method is simple in its properties, it is also true that it is the method needs to be handled only by professionals experienced in this technique. So, it wouldn't be wrong to say that this technology is advantageous only when it is in the right hands.

Here are some major advantages of cutting using water jets:

It is a cold cutting process, which means it doesn't need to make use of lasers or flames for cutting. This also means that there are no heat affected zones when you employ jets of water for cutting various materials.

With cutting methods such as stamping, laser cutting or sawing, the material being cut might get stressed, deformed or crushed. But water jets are so efficient and simple that they have no such drawbacks.

The finish rendered by this cutting method is so good that often there is no need for after-cut machining or finishing operations. This not only saves costs, but also saves a considerable amount of time.

Factors impacting the environment such as dust, fumes, and gas are a non-issue when you choose jets of water as a cutting medium. These jets are considered to be environmentally safe and sustainable cutting methods.

Most of the abrasive waterjet cutting systems available today can be easily integrated into existing production systems. So you don't have to worry about compatibility and upgrades to a new technology.

The accuracy, repeatability and precision of this cutting technique are among the best in the industry today. It can cut in multiple axes at very high speeds.

There are a myriad of materials that can be cut using a waterjet. These include stone, metals, glass, composites, fiberglass, plastic, wood, textiles, foam, meat, fruits and vegetables, and so on. Given all these apparent advantages, it comes as no surprise that more and more enterprises are increasingly switching over to this cutting technique.


Why Dust Control in Abrasive Blasting is Essential

Dust is not only something that the housewife wages war on; it is an unfortunate side-effect of many manufacturing and other processes and depending on what it emanates from can cause extensive irritation or even be toxic. For instance, the dust or smoke from welding stainless steel contains hex chrome which is toxic. Abrasive blasting of metal objects to prepare them for further finishes releases fine metal grit into the atmosphere that should not be inhaled -and those are just two examples.

Even mining and road works are known to produce dust from the dry soil that is moved around, while anyone involved in harvesting or storing grain of any kind - or processing it - will certainly know that it produces a great deal of dust. It is essential to minimize the dust in some way to prevent health problems.

To this end when such processes are in force it is essential for the company to implement measures that will take the dust particles out of the air so that the workers can remain healthy rather than developing a terminal illness, or even just suffering from unpleasant side effects such as skin and eye irritation, asthma or hay fever. Dust in the atmosphere can also cause accidents if it is heavy enough to reduce visibility in the worksite.

Since it is up to the company to provide a safe workplace, they can end up on the wrong end of litigation if they don't do something about the dust. Happily, there are many different kinds of dust collectors, from small extractors that can be attached to a single machine such as a woodworking lathe or thicknesser through to immense systems that facilitate dust extraction from a manufacturing plant. What is used for any application will depend on the amount of dust there is and what is causing it.

Smoke is also dust, only it is very fine dust that comes from something that causes heat such as welding or laser and plasma cutting processes. Dust can even be caused by moisture particles in the air from spray painting and chemical processes.

All these hazards must be dealt with if those employed in doing that kind of work are to survive and stay healthy. It is important that the right kind of dust collector be used; one that does the job efficiently; is made for the kind of dust that is present and is big enough - or indeed, small enough - for that particular job. Once the dust is dealt with business owners can have peace of mind that their company will not go under due to litigation.


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