Description
One Machine for Chipper, Jointer & Planer Knife Sharpening
The AV-54 Automatic Knife Grinder is a versatile, high-performance knife sharpening machine designed to handle both woodchipper knives and jointer/planer knives in one compact system.
This makes it an ideal solution for operations that require efficient sharpening across multiple tool types, including:
- Professional sharpening businesses
- Logging and forestry operations
- Sawmills and wood processing facilities
- Tree service companies
- Woodworking and millwork shops
- Industrial maintenance departments
Precision Grinding for Professional Results
Thorvie knife grinders are engineered for exceptional accuracy:
- Straightness & flatness within .0005″ per inch
- Consistent edge geometry across the full knife length
- Improved cutting performance and finish quality
Whether you’re sharpening chipper knives or planer blades, the AV-54 delivers repeatable, professional-grade results.
Automatic Operation = Increased Productivity
The AV-54 features a fully automatic travel system, allowing you to sharpen knives without constant supervision.
- Set your knife and begin grinding
- Let the machine run automatically
- Work on other tools while sharpening
This significantly improves workflow efficiency and reduces labor time in busy shops.
Designed for Chipper Knife Sharpening
Unlike standard knife grinders, this version of the AV-54 is specifically designed to handle woodchipper knives, which require:
- Straight (flat) grinding for durability
- Consistent edge geometry for heavy-duty cutting
- Accurate material removal for balanced performance
The AV-54 allows you to:
- Flat grind chipper knives
- Hollow grind HSS jointer and planer knives
- Sharpen carbide jointer and planer knives with precision
Variable Speed Control for Optimal Performance
The AV-54 includes a newly redesigned variable-speed U.S. D/C travel motor, allowing you to:
- Adjust grinding speed based on knife type
- Optimize results for carbide vs. steel
- Improve finish quality and consistency
Flexible Knife Sharpening Capacity
The AV-54 can accommodate:
- Individual knives up to 24″ long
- Multiple knives with a combined length of up to 24″
- Knife sizes ranging from 3″ to 24″
This flexibility makes it ideal for both small shops and large-scale operations.
Hollow or Flat Grinding: Simple Adjustment
Switching between grinding styles is quick and easy:
- Hollow grind for jointer and planer knives
- Flat grind for chipper knives and carbide tooling
Just loosen a 3/8″ bolt and adjust the knife holder assembly, no complicated setup required.
Compact Design with Big Capabilities
Despite its industrial capabilities, the AV-54 features a compact footprint, making it easy to integrate into:
- Sharpening businesses
- Mobile or limited-space setups
- Shops and maintenance areas
What’s Included with the AV-54 Chipper Knife Grinder
This automatic sharpening machine package includes:
- AV-54 Automatic Knife Grinder
- Upgraded 110V, 1/2 HP TEFC Motor
(220V 50Hz upgrade available for international users) - 6″ WRA 46 Grit Aluminum Oxide Straight Cup Grinding Wheel
- Machine Light
- Angle Finder
- Instruction Manual & Training Video
- Customer Support (7 days a week)
Optional Upgrades for Enhanced Precision & Performance
Adjustable Motor Dial Indicator
- Measure indexing in thousandths
- Improve sharpening precision and repeatability
- Ideal for high-accuracy applications
Cup Wheel – White 5″ (60 Grit)
- Great for sharpening jointer planer knives and chisels
- Reliable general-purpose grinding
CBN Cup Grinding Wheel (11V9, 100 Grit)
- Ideal for high-volume chipper knife sharpening
- Cooler grinding with extended wheel life
Diamond Cup Grinding Wheel (12A2)
- Perfect for carbide knives and multi-purpose sharpening
- Also supports side grinding saw blades
Ideal for High-Demand Applications
- Industrial sharpening businesses
- Logging and forestry professionals
- Tree service and land clearing operations
- Sawmills and wood processing plants
- Maintenance and repair facilities
Why Choose the AV-54 Chipper Knife Grinder?
- Designed for chipper, jointer, and planer knives
- Automatic travel for hands-free operation
- Precision grinding within .0005″ per inch
- Variable speed control for optimal results
- Hollow and flat grinding capabilities
- Compact, efficient design
- Built in the USA
- Backed by expert support
Increase Efficiency & Sharpen More Tools: Handle High-Volume Knife Sharpening with Ease
The AV-54 allows you to sharpen more knives in less time, without sacrificing accuracy.
- Automate your sharpening process
- Improve consistency across every knife
- Reduce downtime and labor costs
READY TO UPGRADE YOUR KNIFE SHARPENING PROCESS?
Add to Cart or Call 866-497-0572 to speak with an expert
Watch the AV-54 in Action: https://www.youtube.com/watch?v=0WtNoklx75Q
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