While everyone generally agrees that pneumatic (air driven) energy is cost efficient and generates much less waste than many alternatives, at the same time they are not particularly known for being very quiet. Indeed, anyone that has ever visited their local mechanic's shop knows that pneumatic tools - and the air compressors that run them - are usually very loud. This is even worse in a lot of factories, where multiple pneumatic machines are being run constantly. The noise in factories is frequently so loud that workers are required to wearing hearing protection.
Nevertheless, as pneumatic energy becomes more popular outside of heavy industry and machine shops - where noise is not as much of an issue - there has developed a very specific market for silent air compressors. A prime example might be a dentist's office, where many of the tools and suction devices are pneumatically powered, but where the loud noise associated with your mechanic's shop would be most inappropriate. Other examples of places where people want less noisy compressors include small workshops, shared spaces, and private homes. As a consequence, a specialized industry has developed that focuses specifically on creating silent compressors that are still strong enough to satisfy the user's requirements.
Dewalt Reciprocating Saw
The actual ways and means of making silent air compressors is largely proprietary knowledge, so the manufacturers do not usually advertise precisely how the noise reduction is accomplished in order to discourage copycats. Nevertheless, there are basic techniques that are common to almost all silent air compressors. These are things that can help steer buyers in the right direction if they know what to look for. For example, virtually all silent air compressors are designed primarily as stationary machines and almost all use electrical motors; so one can automatically exclude most air compressors fueled in other ways.
Similarly, almost all silent air compressors are reciprocating, or piston driven, as opposed to using other means of compression simply because piston compressors tend to make less noise without oil. Since many, if not most, indoor applications require oil free compressors; it only makes sense to use piston technology. Rotary vane compressors make less noise than reciprocal ones, but they tend to be much larger, making them inappropriate for small office spaces. There are also scroll compressors, which represent an excellent technology at low levels, but these are newer and less common. In fact the "secret" of some silent compressors is simply that they are scroll compressors, but these may not be powerful enough to meet all the user's requirements.
Other methods used in the construction of silent air compressors involve using added insulation, anti-vibration technology, and special materials. These are the elements that the companies tend to be vaguer about when it comes to the specifics. Special dampeners, padding, insulation, and suspension have resulted in silent compressors that are truly silent today. Similarly, as industrial materials continue to be developed, all sort of new synthetic or treated materials are being used in the construction of silent compressors.
It is safe to say that at least one of the many silent air compressors on the market will probably meet your requirements, but it is also safe to say that you will probably be expected to pay more for it.
Special Price!!! DEWALT DW304PK 10 Amp Reciprocating Saw
Nov 08, 2011 13:06:13
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DEWALT DW304PK 10 Amp Reciprocating Saw Feature
- 4-position blade clamp allows for flush cutting and increased versatility
- Powerful 10.0 Amp motor designed for heavy-duty applications
- Keyless lever-action blade clamp for quick and easy blade changes
- 0-2,800 strokes per minute and 1-1/8-inch stroke length deliver fast cutting
- variable speed trigger allows user to instantly control speed from 0 to dialed setting;
DEWALT DW304PK 10 Amp Reciprocating Saw Overview
The DEWALT 10 Amp Reciprocating Saw will help you make quick work of demolition tasks involved in renovations and remodels. Featuring variable-speed control for job-specific performance and lightweight design built for easy handling. In addition, a long, 1-1/8-inch stroke length makes fast work of a wide variety of construction materials.
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 Simplify framing projects with the four-position blade clamp and make flush cuts with ease. View larger. |
 A heavy-duty 10 amp motor and industrial-strength blade makes fast work of rebar. View larger. |
A reciprocation saw mimics the back-and-forth motion of a handsaw that lets you quickly cut through wood framing, shingles, PVC pipes, and more. Plus a reciprocating saw fits into places where other saws can't go, making it a truly versatile addition to your professional tool kit.
This DEWALT reciprocating saw features a heavy-duty 10 amp motor and big 1-1/8-inch stroke length. This saw offers variable-speed control for application-specific performance, and it is capable of operating at speeds ranging from 0 to 2,800 spm.
Versatile, Convenient Blade Clamp Design
For versatility, the saw's four-position blade clamp allows you to choose the configuration that best matches your application. This unique feature gives you the ability to make flush cuts and put the blade in one of four different directions.
Fast, Keyless Blade Changes
When it comes time to switch to a different type of blade or replace a blade with a fresh one, the keyless lever-action blade clamp design allows for fast, easy blade changes--no special tools required.
Comfort Grip and No-Hassle Corded Power
Since comfortable handling contributes to better control and accurate cuts, this saw weighs an easy-to-maneuver 7 pounds and features a textured, anti-slip grip. The trigger provides easy access to variable-speed control.
A tool's only useful if it runs long enough to get the job done. This corded DEWALT tool eliminates the need to worry about recharging batteries or expensive replacement batteries.
This 10 amp reciprocating saw also comes with a DEWALT warranty package that includes a three-year limited warranty, a one-year free service contract, and a 90-day money back guarantee.
What's in the Box
DW304PK DEWALT 10 Amp Reciprocating Saw and contractor bag.
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| The DW304PK 10-amp reciprocating saw comes with a durable contractor bag for convenient storage and transport (click to enlarge). | |||
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