Charnwood M2022 Bowl Gouge - 1/2''
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Product Information
Full details
The Charnwood M2022 1/2'' Bowl Gouge is designed for woodturners shaping curved forms, offering superior edge retention and ease of sharpening thanks to its cryo-hardened M2 HSS steel. While its advanced material means less time at the grinder, users should be aware that extreme hardness can sometimes require specific sharpening techniques. This tool excels at rough shaping, hollowing, and refining bowl interiors and exteriors.
All features
| Model Part Number | M2022 |
|---|---|
| Brand | Charnwood |
Extended Product Information
FAQs
What does 'cryo hardened' mean for this gouge?
Cryo hardening involves immersing the steel in a cryogenic medium (like liquid nitrogen at -195°C) after heat treatment. This process transforms retained austenite into martensite, resulting in a harder, more stable, and more wear-resistant steel with improved edge retention.
How often will I need to sharpen this gouge compared to a standard one?
The M2 HSS steel, especially with cryo hardening, can stay sharp up to 5 times longer than standard HSS. This significantly reduces the frequency of sharpening, meaning less downtime during turning sessions.
Can I use this gouge for spindle turning?
While primarily designed for bowl turning (shaping curved forms), a 1/2'' bowl gouge can be used for some spindle work, particularly for creating coves or certain profiles. However, dedicated spindle gouges offer finer control for straight sections.
What is the handle made of and why is it important?
The handle is made from Ash, a strong and durable hardwood. The contoured shape and the robust stainless steel ferrule ensure a comfortable, secure grip and a reliable connection to the blade, which is crucial for safety and control during turning.
Is the gouge truly ready to use out of the box?
Yes, the Charnwood M2022 Bowl Gouge is sharpened, polished, and ready for immediate use upon arrival. You can start turning as soon as you've set it up on your lathe.
What is the advantage of the deep flute grind?
The deep flute grind is designed to efficiently remove wood material, which is essential for the rough shaping and hollowing of bowls and other curved forms. It helps in controlling the cut and moving material away from the workpiece.
How should I store this tool to maintain its sharpness and condition?
It's recommended to store the gouge in its provided transparent hanging tube. This protects the sharp edge from damage and prevents accidental contact. Always ensure the tool is clean and dry before storage.
Troubleshooting
Gouge not cutting cleanly
The blade may be dull. Inspect the edge and resharpen using appropriate sharpening media and technique. Ensure the tool rest is set correctly and the gouge is presented at the proper angle.
Excessive vibration or chatter
Check that the tool rest is securely in place and at the correct height. Ensure the lathe is running smoothly. The cutting edge might be damaged or improperly ground; inspect and re-sharpen.
Difficulty sharpening the edge
Ensure you are using a sharpening medium suitable for HSS steel (e.g., diamond, CBN). Verify you are maintaining the correct bevel angle and not overheating the edge during grinding. The cryo-hardened steel is tough, but resharpening is still straightforward with the right tools.
Rust spots on the blade
Although M2 HSS offers good corrosion resistance, prolonged exposure to moisture can cause rust. Clean affected areas with a fine abrasive pad or metal polish and thoroughly dry. Apply a light coat of paste wax or appropriate oil for protection during storage.
Pros and Cons
Pros
- Exceptional edge retention due to cryo hardening.
- Significantly reduced need for frequent sharpening.
- Maintains sharpness for longer periods, improving workflow.
- Blades are relatively easy to sharpen for their hardness.
- Ergonomic handles for comfortable long-term use.
- High-quality materials (M2 HSS, Ash, Stainless Steel).
Cons
- Requires careful handling due to extreme hardness.
- May require specific sharpening media or techniques for optimal results.
- Initial cost might be higher than standard HSS gouges.
- The advanced material might not be necessary for very light or infrequent use.
Setup, Compatibility & Care
Setup: The Charnwood M2022 Bowl Gouge is supplied sharpened and ready for immediate use. Ensure the gouge is securely fitted into your lathe's tool rest. Adjust the tool rest height and position to match the bevel of the gouge for optimal cutting action.
Compatibility: This bowl gouge is compatible with all standard woodturning lathes and tool rests. The 1/2'' size is a versatile choice for a wide range of bowl turning projects.
Care:
- Sharpening: While the cryo-hardened blade stays sharp longer, regular inspection for dullness is recommended. Use appropriate sharpening stones or grinding wheels (diamond, CBN, or aluminum oxide) suitable for HSS steel. Follow standard sharpening procedures for bowl gouges, maintaining the correct bevel angle. Clean the blade after use.
- Storage: Store the gouge in its supplied transparent hanging tube to protect the edge and prevent accidental damage. Keep in a dry environment to prevent rust, though the high-quality steel offers good resistance.
- Cleaning: Wipe the blade clean with a soft, dry cloth after each use. For stubborn residue, a slightly damp cloth can be used, followed by immediate drying. Avoid abrasive cleaners.