Chain Saw Sharpener Tool Tested (Pro Tips For Woodcutters)

Chain Saw Sharpener Tool Tested (Pro Tips for Woodcutters)

Let’s dive into the world of chainsaw sharpening, a skill as crucial for woodcutters as a steady hand and a sharp eye. I’ve spent years in the wood processing industry, from the frosty forests of Scandinavia to the humid woodlands of the American South, and I can tell you firsthand that a dull chainsaw is more than just a nuisance – it’s a safety hazard, a time waster, and a fuel guzzler. In this guide, I will share my experiences and insights, focusing on chainsaw sharpener tools and offering pro tips that can elevate your woodcutting game, no matter where you are in the world.

A Global Perspective on Wood Processing

Before we get into the nitty-gritty of sharpening, let’s take a moment to appreciate the global context of our craft. The wood processing industry, including logging and firewood production, is a significant economic driver worldwide. According to recent statistics from the Food and Agriculture Organization of the United Nations (FAO), the global production of industrial roundwood reached approximately 2 billion cubic meters in 2022. Firewood accounts for a significant portion of global wood consumption, particularly in developing nations where it remains a primary energy source.

In North America, the firewood market is substantial, with estimates suggesting an annual value of several billion dollars. The demand for firewood is driven by both residential heating and recreational uses like camping. Europe, particularly Scandinavia and Eastern European countries, has a long tradition of wood heating, with many homes relying on wood stoves and fireplaces. These regions have developed advanced technologies for efficient wood burning and sustainable forestry practices.

Asia, particularly China and India, faces unique challenges due to rapid urbanization and increasing energy demands. While coal remains a dominant energy source, there is growing interest in sustainable wood energy solutions, especially in rural areas. Africa, with its vast forests and woodlands, relies heavily on firewood for cooking and heating, but faces deforestation challenges due to unsustainable harvesting practices.

The global trends in wood processing include a growing emphasis on sustainable forestry, efficient wood utilization, and the development of innovative wood products. Technology plays a crucial role in these trends, with advancements in logging equipment, wood processing machinery, and digital platforms for managing forest resources.

My Wood Processing Journey

My journey into wood processing started in my grandfather’s workshop nestled in the Appalachian Mountains. He was a master craftsman, turning rough-hewn logs into stunning furniture. I spent countless hours watching him work, learning the art of selecting the right wood, understanding grain patterns, and mastering the tools of the trade. One of the most important lessons he taught me was the importance of keeping tools sharp. “A dull tool,” he’d say, “is more dangerous than a loaded gun.”

I remember one winter when we were preparing firewood for the community. We had a massive pile of oak and maple to split, and our axes were getting dull. My grandfather showed me how to sharpen them using a file and a sharpening stone. It was a tedious process, but the difference in performance was remarkable. A freshly sharpened axe sliced through the wood with ease, making the job much faster and safer.

That experience sparked my interest in sharpening tools, and I’ve been honing my skills ever since. Over the years, I’ve experimented with various sharpening methods, from manual files to electric grinders, and I’ve learned the pros and cons of each. Today, I want to share what I’ve learned about chainsaw sharpeners, specifically, so you can keep your saw running smoothly and safely.

Understanding the Importance of a Sharp Chain

A sharp chainsaw chain is essential for several reasons:

Safety: A dull chain requires more force to cut, increasing the risk of kickback, a dangerous situation where the saw suddenly jumps back towards the operator.
Efficiency: A sharp chain cuts faster and more efficiently, reducing the amount of time and effort required to complete a task.
Fuel Economy: A sharp chain requires less power from the engine, resulting in better fuel economy.
Saw Longevity: A dull chain puts more strain on the saw’s engine and components, potentially leading to premature wear and tear.
Cut Quality: A sharp chain produces cleaner, more precise cuts, which is important for woodworking and other applications where aesthetics matter.

Recognizing a Dull Chain

Before you start sharpening, it’s crucial to know when your chain needs attention. Here are some telltale signs:

Sawdust Production: A sharp chain produces long, stringy chips. A dull chain produces fine sawdust.
Cutting Speed: A sharp chain cuts quickly and effortlessly. A dull chain requires more force and takes longer to cut.
Smoke Production: A dull chain generates excessive friction, leading to smoke production even when the chain is properly lubricated.
Bouncing or Jerking: A dull chain may bounce or jerk as it cuts, making it difficult to maintain a smooth, consistent cut.
Uneven Cutting: A dull chain may cut unevenly, producing angled or wavy cuts.

Types of Chain Saw Sharpener Tools

There are several types of chainsaw sharpeners available, each with its own advantages and disadvantages. Here’s a breakdown:

Hand Files:
- Description: These are the most basic and affordable type of sharpener. They consist of a round file for sharpening the cutting teeth and a flat file for adjusting the depth gauges (rakers).
- Pros: Inexpensive, portable, and easy to use in the field.
- Cons: Requires more skill and effort to achieve consistent results. Can be time-consuming for sharpening an entire chain.
- Best For: Occasional users, field sharpening, and those who prefer a manual approach.
- Cost: \$10 – \$30
Filing Guides:
- Description: These are jigs that hold the file at the correct angle and depth, making it easier to sharpen the chain consistently.
- Pros: Improves accuracy and consistency compared to freehand filing. Relatively inexpensive and portable.
- Cons: Still requires manual effort. May not fit all chain types.
- Best For: Users who want more precision than freehand filing but don’t want to invest in a powered sharpener.
- Cost: \$20 – \$50
Electric Chain Saw Sharpeners (Bench Mounted):
- Description: These are powered sharpeners that use a grinding wheel to sharpen the chain. They are typically mounted on a bench or workbench.
- Pros: Fast, efficient, and produces consistent results. Can sharpen an entire chain in a matter of minutes.
- Cons: More expensive than manual sharpeners. Requires a power source. Less portable.
- Best For: Frequent users, professional woodcutters, and those who value speed and precision.
- Cost: \$50 – \$300
Electric Chain Saw Sharpeners (Handheld):
- Description: These are portable, handheld sharpeners that use a small grinding wheel to sharpen the chain while it’s still on the saw.
- Pros: Convenient for on-the-spot sharpening in the field. Relatively inexpensive.
- Cons: Can be less precise than bench-mounted sharpeners. May require more practice to achieve consistent results.
- Best For: Users who need to sharpen their chain while working in the woods.
- Cost: \$30 – \$100
Chain Saw Sharpening Attachments for Power Drills:
- Description: These attachments connect to a power drill and use a small grinding stone to sharpen the chain.
- Pros: Inexpensive and versatile, as they can be used with any power drill.
- Cons: Can be difficult to control and may produce inconsistent results.
- Best For: Budget-conscious users who already own a power drill.
- Cost: \$15 – \$40
Automatic Chain Saw Sharpeners:
- Description: These are advanced sharpeners that automatically index the chain and sharpen each tooth with precision.
- Pros: Extremely accurate and consistent. Requires minimal user input.
- Cons: Very expensive. Typically used in professional saw shops.
- Best For: High-volume sharpening in commercial settings.
- Cost: \$500+

Selecting the Right Sharpener for Your Needs

Choosing the right chainsaw sharpener depends on several factors, including:

Frequency of Use: If you use your chainsaw frequently, an electric sharpener is a worthwhile investment. If you only use it occasionally, a hand file or filing guide may suffice.
Budget: Chain saw sharpeners range in price from under \$10 to over \$500. Determine how much you’re willing to spend.
Skill Level: If you’re new to chainsaw sharpening, a filing guide or electric sharpener will be easier to use than a hand file.
Portability: If you need to sharpen your chain in the field, a handheld electric sharpener or hand file is the best option.
Chain Type: Some sharpeners are designed for specific chain types. Make sure the sharpener you choose is compatible with your chain.

My Recommendation

For most users, I recommend an electric bench-mounted sharpener. While it’s more expensive than a manual sharpener, the speed, precision, and ease of use make it a worthwhile investment. I personally use a Oregon 511AX bench grinder, which I’ve found to be reliable and accurate. The upfront cost pays off in the long run, saving time and ensuring consistent performance.

Step-by-Step Guide to Sharpening Your Chain Saw with a Bench Grinder

Here’s a detailed guide to sharpening your chainsaw chain using an electric bench grinder:

Tools and Materials You’ll Need:

Electric bench grinder specifically designed for chainsaw chains
Appropriate grinding wheel for your chain type
Safety glasses
Gloves
Work light
Chain vise (optional, but recommended)
Depth gauge tool (for adjusting rakers)

Step 1: Safety First

Always wear safety glasses and gloves to protect yourself from flying debris and sharp edges.
Disconnect the chainsaw from the power source (or remove the battery).
Ensure the grinder is securely mounted on a stable surface.

Step 2: Prepare the Grinder

Install the correct grinding wheel for your chain type. The wheel should be clean and in good condition.
Adjust the grinding angle to match the angle of your chain’s cutting teeth. This information can usually be found in your chainsaw’s manual or on the chain itself. Most chains typically use a 25-35 degree top plate angle.
Adjust the depth stop to control how much material is removed from each tooth. Start with a shallow setting and gradually increase it as needed.
Set the chain holding assembly to the correct pitch and gauge of your chain.

Step 3: Secure the Chain

Place the chain in the grinder’s chain holder, ensuring it’s properly aligned.
Use the chain vise (if available) to secure the chain in place. This will prevent it from moving during sharpening.

Step 4: Sharpen the Cutting Teeth

Starting with the shortest tooth on the chain, use it as the reference point.
Gently lower the grinding wheel onto the cutting tooth, applying light pressure.
Grind each tooth for a consistent amount of time (usually 1-2 seconds).
Use smooth, controlled movements to avoid overheating the tooth.
Sharpen all the teeth on one side of the chain, then flip the chain over and sharpen the teeth on the other side.

Step 5: Check for Consistency

After sharpening all the teeth, carefully inspect them to ensure they are all the same length and shape.
Use a caliper or ruler to measure the length of each tooth. Any significant variations should be corrected.

Step 6: Adjust the Depth Gauges (Rakers)

The depth gauges (rakers) control how much the cutting teeth bite into the wood. If they are too high, the chain will be dull and slow to cut. If they are too low, the chain will be aggressive and prone to kickback.
Use a depth gauge tool to check the height of the rakers. The recommended height varies depending on the chain type and cutting conditions. Consult your chainsaw’s manual for specific recommendations.
If the rakers are too high, use a flat file to carefully lower them to the correct height.
Round off the front edge of the rakers to prevent them from digging into the wood.

Step 7: Test the Chain

After sharpening and adjusting the rakers, reinstall the chain on your chainsaw.
Test the chain by making a few cuts in a piece of wood. The chain should cut smoothly and efficiently, producing long, stringy chips.
If the chain is still dull or cutting unevenly, repeat the sharpening process, paying close attention to the grinding angle and depth stop settings.

Pro Tips for Using a Bench Grinder

Start with the shortest tooth: As I mentioned earlier, use the shortest tooth as your reference point. This will ensure that you don’t remove too much material from the other teeth.
Use light pressure: Applying too much pressure can overheat the tooth and damage the grinding wheel.
Keep the wheel clean: A dirty grinding wheel will produce uneven results. Use a dressing stone to clean the wheel regularly.
Don’t overheat the teeth: Overheating can weaken the steel and cause the teeth to lose their edge quickly.
Maintain the correct grinding angle: The grinding angle is crucial for achieving optimal cutting performance. Consult your chainsaw’s manual or the chain manufacturer’s recommendations.
Check the depth gauges regularly: The depth gauges should be adjusted whenever you sharpen the chain.
Practice makes perfect: Sharpening a chainsaw chain with a bench grinder takes practice. Don’t be discouraged if you don’t get it right the first time. Keep practicing, and you’ll eventually master the technique.

Step-by-Step Guide to Sharpening Your Chain Saw with a Hand File

While bench grinders are fantastic for precision, sometimes you need a quick touch-up in the field. That’s where a hand file comes in handy. Here’s how to do it right:

Tools and Materials You’ll Need:

Round file (correct size for your chain)
Flat file
Filing guide (optional but recommended)
Depth gauge tool
Gloves
Safety glasses
Stump or log to stabilize the saw

Step 1: Secure the Saw

Find a stable stump or log to rest the chainsaw on.
Engage the chain brake to prevent the chain from moving.

Step 2: Prepare the File

Select the correct size round file for your chain. The file size is usually stamped on the chain or listed in the chainsaw’s manual.
Inspect the file to ensure it’s clean and free of rust.

Step 3: Position the File

If using a filing guide, attach it to the chain according to the manufacturer’s instructions.
If filing freehand, position the file at the correct angle (usually 25-35 degrees) relative to the cutting tooth.
The file should be angled slightly downward, following the contour of the tooth.

Step 4: Sharpen the Cutting Teeth

Using smooth, even strokes, file the cutting tooth from the inside out.
Apply light pressure and follow the original angle of the tooth.
Count the number of strokes you use on each tooth to ensure consistency.
Sharpen all the teeth on one side of the chain, then rotate the saw and sharpen the teeth on the other side.

Step 5: Check for Consistency

After sharpening all the teeth, inspect them to ensure they are all the same length and shape.
Use a caliper or ruler to measure the length of each tooth. Any significant variations should be corrected.

Step 6: Adjust the Depth Gauges (Rakers)

Use a depth gauge tool to check the height of the rakers.
If the rakers are too high, use a flat file to carefully lower them to the correct height.
Round off the front edge of the rakers to prevent them from digging into the wood.

Step 7: Test the Chain

Release the chain brake and start the chainsaw.
Test the chain by making a few cuts in a piece of wood. The chain should cut smoothly and efficiently, producing long, stringy chips.
If the chain is still dull or cutting unevenly, repeat the sharpening process.

Pro Tips for Using a Hand File

Use a filing guide: A filing guide will help you maintain the correct angle and depth, resulting in more consistent sharpening.
File in one direction: Filing in both directions can dull the file and produce uneven results.
Keep the file clean: Clean the file regularly with a wire brush to remove debris.
Don’t apply too much pressure: Applying too much pressure can damage the file and the cutting tooth.
Rotate the file: Rotate the file periodically to distribute wear evenly.
Practice makes perfect: Sharpening a chainsaw chain with a hand file takes practice. Don’t be discouraged if you don’t get it right the first time.

Common Pitfalls to Avoid

Using the wrong file size: Using a file that is too large or too small can damage the chain.
Filing at the wrong angle: Filing at the wrong angle can result in a dull or aggressive chain.
Applying too much pressure: Applying too much pressure can overheat the tooth and damage the grinding wheel or file.
Ignoring the depth gauges: Neglecting to adjust the depth gauges can result in a dull or aggressive chain.
Sharpening a damaged chain: If the chain is severely damaged (e.g., broken teeth, bent links), it should be replaced rather than sharpened.
Neglecting safety precautions: Always wear safety glasses and gloves when sharpening a chainsaw chain.

Cost Considerations

Hand Files: \$10 – \$30 (plus the cost of a filing guide and depth gauge tool)
Electric Sharpeners: \$50 – \$300
Replacement Grinding Wheels: \$10 – \$30 each
Professional Sharpening: \$10 – \$20 per chain

While professional sharpening can be convenient, it can also be expensive in the long run. Investing in your own sharpening tools will save you money and allow you to keep your chain in top condition at all times.

Maintenance and Care of Sharpening Tools

Hand Files: Clean the file regularly with a wire brush. Store the file in a dry place to prevent rust.
Electric Sharpeners: Keep the grinder clean and free of debris. Replace the grinding wheel when it becomes worn or damaged.
Depth Gauge Tools: Keep the tool clean and store it in a safe place to prevent damage.

Case Study: Firewood Production Efficiency

I once worked with a small firewood producer in Vermont who was struggling to meet demand. His biggest problem was the time it took to process the wood. He was using a dull chainsaw and an inefficient splitting maul, which resulted in long hours and a lot of wasted effort.

I suggested he invest in a new, high-quality chainsaw and a hydraulic log splitter. I also showed him how to properly sharpen his chain and maintain his equipment. The results were dramatic. He was able to cut and split twice as much wood in the same amount of time. His fuel consumption decreased, and his overall efficiency improved significantly. He was able to meet the demand for firewood and increase his profits.

This case study illustrates the importance of using the right tools and techniques for wood processing. Investing in quality equipment and learning how to maintain it properly can make a huge difference in productivity and profitability.

Next Steps and Additional Resources

Now that you have a solid understanding of chainsaw sharpening, it’s time to put your knowledge into practice. Start by selecting the right sharpener for your needs and practicing the sharpening techniques outlined in this guide. Don’t be afraid to experiment and find what works best for you.

Here are some additional resources that you may find helpful:

Chainsaw Manufacturers’ Websites: Most chainsaw manufacturers have websites with detailed information on chain sharpening and maintenance.
Forestry Associations: Forestry associations often offer workshops and training programs on wood processing and chainsaw safety.
Online Forums and Communities: Online forums and communities dedicated to wood processing and chainsaw use can be a great source of information and support.
Local Hardware Stores and Tool Suppliers: Local hardware stores and tool suppliers can provide expert advice and assistance in selecting the right sharpening tools for your needs.

Suppliers of Logging Tools and Drying Equipment

Baileys: A leading supplier of logging tools, chainsaw parts, and safety equipment.
Northern Tool + Equipment: A wide selection of tools and equipment for woodworking, logging, and firewood production.
Arborwear: High-quality workwear for arborists and loggers.
Wood-Mizer: Manufacturers of portable sawmills and wood processing equipment.
Nyle Corporation: Leading manufacturer of dehumidification lumber drying systems.
Kiln-direct: Offers a range of lumber drying kilns for small and large-scale operations.

Conclusion

Sharpening your chainsaw chain is a skill that every woodcutter should master. It’s essential for safety, efficiency, and the longevity of your equipment. By following the tips and techniques outlined in this guide, you can keep your chain in top condition and tackle any wood processing task with confidence. Remember, a sharp chain is a safe chain, and a safe woodcutter is a successful woodcutter. So, get out there, sharpen your saw, and make some sawdust!