Most homeowners nowadays appreciate the importance of owning solid power tools. An orbital sander is a power tool that is used to smooth out rough edges and uneven surfaces of wood, plastic or metal materials. Most of the orbital sander tools that are used on wood are electrically operated. Due to the advancement of technology, various types of sanders have been developed and are now available in your local hardware stores. But most of these sanders can only be used for a specific type of job. So, before purchasing a sander, you need to make sure that you are buying the right type that will best suit your needs.
Random orbit sanders are a type of power tool which contain pads that move in a circular manner with a random pattern. Being able to move in a random pattern can allow this tool to work on surfaces in any direction without the risk of scratching the surface of the material that you are working on. The random orbit sander is the easiest tool to use among the wide variety of sanders that are available. And since it can be used on multiple surfaces, this type of tool is an excellent choice for an ordinary home owner.
Random Sander
In purchasing sandpaper, you need to determine the right grade that you will need depending on what you are working on. The grade of the sandpaper is determined by the amount of sand granules available on every square inch of the sandpaper. A sandpaper with a lower grade means that it is courser, while the sandpaper that has a higher grade has finer sand granules. In order to save your time while working on your project, it is recommended that you start with courser sandpaper. As you complete the project, you can switch to a finer sandpaper to give your material a smooth finish. Sandpapers are not cheap, so it is better to ensure that you are working with the right type and grade in order to avoid wasting your money as well as your time.
Due to the vast types of sanders to choose from, it is wise to have your own research as to what type will best suit your needs before making the actual purchase. You can do this either by visiting your local hardware stores in order to have a look at the different sanders, or you can log on the internet and visit the different websites that offer reviews and comments from people who have experience in working with a sander. In one of the reviews available online, the ryobi orbital sander has been cited as one of the cost-friendly sanders that can be purchased, without risking the quality and amount of work that you can do.
In working with an orbital sander, it is important to practice precautions in order to maintain the cleanliness of your workplace and to ensure your safety as well as other people near you. In operating an orbital sander, it is recommended that you wear face masks and goggles to protect your face and eyes from the dust particles that will be produced from your sander. In addition, you should never force a sander. The sander's weight is enough to provide the necessary pressure on your material. Forcing a sander can cause overheating, kickback or burning of your work piece.
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Porter-Cable 390K 5-Inch Low Profile Random Orbit Sander Kit with Hook & Loop Pad and Dust Collection Feature
- 3.5 Amp EnduraTech Motor for increased performance and durability
- Electronic Load Control for 42% faster material removal
- EnduraTech Motor Technology has 71% fewer wear components for 5-10 times longer motor life
- Electronic motor brake reduces spin-down time by 73% for increased productivity; Mechanical pad brake reduces free-spin to virtually eliminate gouging
- Integrated dust port accepts 1- and 1-1/2-inch vacuum hoses; includes kit box
Porter-Cable 390K 5-Inch Low Profile Random Orbit Sander Kit with Hook & Loop Pad and Dust Collection Overview
Efficient, thorough, and easy to control, the Porter-Cable 390K Low-Profile Random-Orbit Sander has a low center of gravity for the close to the work feel of an air sander with the convenience of a standard electrical plug. Its 3-1/2 amp ENDURATECH brushless motor ensures robust, time-saving performance on a variety of materials, including red oak, pine, and poplar. The sander also features integrated dust collection that keeps your workspace cleaner and healthier.
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 Remove paint or sand wood to a fine finish with the orbit sander's variable speed range of 7,000 to 12,000 rpm. View larger. |
 Rubber grip and ergonomic features provide comfort during extended jobs. View larger. |
The 390K is a powerful, compact sander ready to take on a variety of heavy-duty jobs. It's ideal for aggressive sanding, coating removal, leveling seams, smoothing rough material, solid surface work, and boat-bottom cleanup.
ENDURATECH Motor for Improved Productivity and Durability
The 2008 winner of the WOOD Magazine Top Tool Award, the 390K boasts ENDURATECH brushless motor technology for 70 percent fewer wearable parts, which increases the motor life by up to 10 times when compared to traditional palm-grip sander motors. The result is greatly improved productivity, durability, and control.
Low-Profile Design for Optimum Control
The 390K sets a new standard for palm-grip sanders. Its low-profile design is 30 percent shorter than the competition. This means you'll get optimum control and finish, as well as comfortable handling on the job.
Variable Speed Range for Versatility and Precision
Versatile and powerful, this sander has a variable speed range of 7,000 to 12,000 rpm for optimal removal rate on a variety of materials. Electronic load-control monitors the rpm and maintains a constant operating speed for smooth sanding and over 40 percent faster material removal.
Innovative Brake Designs Save Time and Reduce Free-Spin
Also, the 390K saves you time with its innovative electronic motor brake, which reduces spin-down waiting from close to 10 seconds to approximately 3 seconds.A separate mechanical pad brake reduces free-spin--effectively putting an end to gouging, and a 3/32-inch orbit diameter means this sander can handle a range of materials with ease.
Compact, Ergonomic Design with Integrated Dust Port
The 390K measures 4 by 5 by 12 inches (W x H x D) and weighs just 2.1 pounds, so it's compact and easy to store. Its rubber grip and ergonomic features maintain user comfort, even during extended jobs.
For further convenience, an integrated dust port accepts 1-inch and 1-1/2-inch vacuum hoses for optimal dust collection. This makes your workspace cleaner and healthier and helps maintain good visibility of your workpiece.
Warranty Information
The 390K is backed by a three-year warranty.
What's in the Box
Random-orbit sander kit, 5-inch hook-and-loop pad with eight-hole pattern, rugged storage case, and user manual.
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