Cutting Steel with the Dewalt DWS779: A Comprehensive Guide

When it comes to power tools, few are as revered as the Dewalt DWS779, a sliding compound miter saw that has gained traction among professionals and DIY enthusiasts alike. While primarily designed for woodworking, many seek to explore the possibilities of using this powerful saw to cut steel. In this article, we will delve into whether it’s feasible to cut steel with the Dewalt DWS779, the implications of doing so, and best practices for metal cutting.

The Dewalt DWS779 Miter Saw: An Overview

Before we dive into the specifics of cutting steel, let’s take a closer look at what the Dewalt DWS779 is all about. Known for its versatility and robust construction, the DWS779 is equipped with a large 12-inch blade that allows for a wide range of cutting angles and depths.

Key Specifications

  • Blade Diameter: 12 inches
  • Motor Power: 15 Amp motor
  • RPM: 3,800 RPM
  • Cutting Capacity: Cross cut up to 2×16 at 90 degrees
  • Weight: Approximately 56 pounds

These specifications contribute to the overall capability of the saw, especially in making precise cuts in wood. However, the question remains: can this powerful tool effectively slice through steel?

Can You Cut Steel with the Dewalt DWS779?

The straightforward answer is yes, you can cut steel with the Dewalt DWS779, but there are crucial caveats to consider. The saw is not optimized for cutting metals, and if users do not adhere to specific guidelines, it may lead to unsafe operation or damage to the equipment.

Understanding the Risks

Cutting steel involves several risks:
Blade Wear and Tear: Metal cutting blades are designed to withstand the stress and heat generated by cutting through steel. Using a standard woodcutting blade on steel can lead to rapid dulling.
Kickback: If not handled properly, the risk of kickback can substantially increase, posing a safety risk to the user.
Heat Build-up: Cutting metal generates heat, which can warp the blade and affect precision cuts.

The Right Blade for the Job

If you decide to proceed with cutting steel using the Dewalt DWS779, the choice of blade plays a pivotal role. To achieve a successful cut while minimizing risks, consider investing in a carbide-tipped blade specifically designed for metal cutting.

Recommended Blade Types

  1. Carbide-Tipped Metal Cutting Blade: This type of blade can handle the high temperatures and resist wear associated with cutting steel.
  2. HSS (High-Speed Steel) Blade: An HSS blade has the capacity to withstand intense heat and can be used for lighter steel cutting operations.

Using the correct blade not only ensures efficiency but also prolongs the life of your Dewalt DWS779.

Materials You Can Cut Using the Dewalt DWS779

While the Dewalt DWS779 is primarily designed for cutting wood and composites, users may wonder what types of metal can be cut with the saw.

Types of Steel Suitable for the DWS779

  • Mild Steel: Generally easier to cut due to its lower hardness level, making it a suitable choice for beginners.
  • Aluminum: This non-ferrous metal is often used for various projects and can be easily cut with the DWS779 with the right blade.

Types of Steel to Avoid

Conversely, some materials may be excessively hard or require specialized equipment to cut, including:

  • Stainless Steel: The high alloy content makes it significantly harder than mild steel, which may lead to excessive wear on the blade.
  • High-Carbon Steel: This type is known for its hardness, and unless you have a specialized blade, cutting this metal can be challenging and risky.

Steps for Cutting Steel with the Dewalt DWS779

If you’ve made the decision to cut steel using the Dewalt DWS779, follow these steps to ensure a productive and safe experience:

Preparation

  1. Choose the Right Blade: Install a carbide-tipped metal cutting blade for optimal performance.
  2. Safety Gear: Always wear personal protective equipment (PPE) such as safety glasses, gloves, and hearing protection.
  3. Work Area: Ensure your work area is clear, and the material is secured properly to avoid movement during cutting.

Cutting Process

  1. Measure and Mark: Determine the cutting line on your steel. Use a marker or a scribe to ensure visibility.
  2. Set the Right Angles: Adjust the miter saw for the desired angle; however, non-standard angles may not produce accurate cuts in steel.
  3. Begin the Cut: Power on the saw and allow the blade to reach full speed. Steadily push the material through the blade without forcing it.
  4. Monitor the Process: Keep an eye on the blade’s temperature and ensure that it does not overheat, which can lead to warping or dulling.

After Cutting

  1. Inspect the Cut: Check for burrs or sharp edges on the finished cut. If necessary, use a deburring tool.
  2. Blade Maintenance: Clean the blade after use and store it appropriately to increase its longevity.

Final Thoughts on Cutting Steel with the Dewalt DWS779

In summary, while it is possible to cut steel using the Dewalt DWS779, it is essential to approach the task with caution and preparedness. Choose the right equipment, prioritize safety, and adhere to best practices to ensure both effective cuts and equipment longevity.

By following the guidelines outlined in this article, you can safely utilize the Dewalt DWS779 to tackle your metal-cutting projects. Always remember to evaluate the types of materials you are working with and modify your approach accordingly. With the right preparation and care, the Dewalt DWS779 can prove to be a versatile tool in your workshop arsenal.

What types of steel can I cut with the Dewalt DWS779?

The Dewalt DWS779 is designed to cut a variety of steel types, including mild steel and some stainless steel. Its powerful motor and sharp blade make it capable of handling both thick and thin steel sections, enabling users to work on a wide range of projects. When choosing the type of steel to cut, it’s essential to consider the thickness, as not all blades are designed for heavy-duty cutting.

To enhance performance and prolong the lifespan of the blade, it’s advisable to use the appropriate cutting blade designed specifically for metal. Blades made of carbide-tipped materials are particularly effective for cutting through tougher steel types. Always consult the manufacturer’s guidelines for recommended blade specifications to ensure optimal results with your Dewalt DWS779.

What safety precautions should I take when using the Dewalt DWS779?

Safety is paramount when using power tools like the Dewalt DWS779. Always wear appropriate personal protective equipment (PPE) which includes safety goggles, gloves, and ear protection. The operation of cutting steel can generate sparks and metal shavings, which can be hazardous, so ensure your work area is clear of flammable materials and clutter. Additionally, secure the workpiece properly before beginning to cut to prevent movement and possible accidents.

Before using the saw, make sure to familiarize yourself with its features and controls. Inspect the tool thoroughly for any wear or damage, and ensure that the blade is sharp and correctly installed. Using a dull blade can lead to increased strain on the motor and may cause the saw to overheat. Regular maintenance and following the operating manual can significantly reduce the likelihood of accidents while maximizing performance.

Can I make bevel cuts with the Dewalt DWS779?

Yes, the Dewalt DWS779 allows for bevel cuts, which adds versatility to your cutting capabilities. The saw features a precise bevel adjustment system that enables users to set the blade angle for various cutting positions. This feature is particularly beneficial for making angled cuts in steel, which can be essential for certain projects, such as framing or custom metalwork.

To achieve accurate bevel cuts, ensure that the saw’s bevel angle is properly calibrated before starting your cut. A clean cutting surface and a well-secured workpiece will also contribute to better accuracy and finish. Practicing with scrap materials can help you refine your technique and ensure you are comfortable with adjusting the settings for intricate projects.

How do I maintain the Dewalt DWS779 for optimal performance?

Maintaining your Dewalt DWS779 is crucial for ensuring it remains in peak working condition. Regularly check the blade for any signs of wear or damage, as a dull or damaged blade can compromise cutting efficiency and safety. It’s a good practice to clean the blade after each use to remove any metal shavings or debris that may accumulate, which can affect performance and the quality of your cuts.

In addition to blade maintenance, keep the saw’s motor and components clean and free of dust and grime. Periodically lubricate movable parts as recommended in the user manual to ensure smooth operation. Additionally, inspect and tighten any loose screws or bolts and replace worn-out parts promptly. Following these maintenance tips will not only extend the life of your saw but also improve overall cutting performance.

What is the maximum cutting capacity of the Dewalt DWS779?

The Dewalt DWS779 has impressive cutting capacities, particularly for a sliding compound miter saw. It offers a maximum crosscut capacity of 2×14 lumber at 90 degrees and 2×10 lumber at 45 degrees, which translates well into cutting thicker steel materials as well. This capacity allows users to handle a wide array of jobs, ranging from basic hobbyist projects to more demanding professional tasks.

When cutting steel, however, pay close attention to the thickness limitations of the blade you are using. Although the saw can handle a variety of cuts with ease, exceeding the recommended cutting capacities can lead to decreased performance and increased wear on the tool and blade. Always refer to the specifications provided by Dewalt to ensure you’re operating within the safe limits of your equipment.

Is the Dewalt DWS779 suitable for beginners?

Yes, the Dewalt DWS779 is a friendly option for beginners looking to start cutting steel. Its user-friendly design includes features like a clear bevel scale and easy adjustments for miter cuts, making it accessible for novice users. The saw’s straightforward controls allow for a smooth learning curve, enabling beginners to become proficient with minimal instruction.

Although it is suitable for beginners, users should still take the time to read the user manual and familiarize themselves with the tool’s operation before diving into projects. Starting with simpler cuts and gradually moving on to more complex tasks can help build confidence. Additionally, practicing with scrap materials can provide hands-on experience while ensuring safety measures are understood and followed.

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