FAQs
Hunter Grinders design and manufacture precision cylinder grinding machines that deliver fast, accurate and repeatable sharpening of mowing units. Our focus is on helping turf professionals achieve consistently high cut quality while extending cylinder life.
What is a cylinder grinder and how does it work?
A cylinder grinder (also known as a cylinder grinding machine or reel mower grinder) is used to sharpen the cutting cylinder on a mower. It works by rotating the cylinder against a grinding wheel to restore a precise cutting edge, ensuring clean and consistent turf cutting performance.
What is the difference between a cylinder grinder and a relief grinder?
A cylinder grinder performs spin grinding to sharpen the cutting edge, while a relief grinder removes material behind the blade. Relief grinding reduces friction, heat, and wear, improving efficiency and extending the life of the cutting unit.
How does a reel/cassette mower grinder improve turf cut quality?
A reel mower grinder ensures a sharp, even cutting edge across the cylinder, delivering a clean scissor-like cut. This significantly improves turf health and is essential for achieving high-quality finishes on golf greens and sports turf. Additionally, as the grass is cleanly sheared rather than torn, the turf is less susceptible to disease.
Why should I use a bottom blade grinder or bedknife grinder?
A bottom blade grinder (or bedknife grinder) ensures the bedknife is perfectly flat and sharp. This is critical for maintaining the correct contact between the cylinder and bedknife, which directly impacts cutting performance and turf quality.
How often should you grind a mower cylinder?
If you're wondering how often to grind a mower cylinder, it depends on usage, but regular spin grinding combined with periodic relief grinding is recommended to maintain optimal performance and prevent excessive wear. Additionally, blades/cylinders can be sharpened and back in operation in under an hour, reducing equipment downtime.
What are the signs your cassette mower cylinder needs grinding?
Common signs your cassette mower needs grinding include:
• Poor or uneven cut quality
• Tearing rather than cutting grass
• Increased noise or vibration
• Difficulty achieving correct cylinder-to-bedknife contact
Is grinding better than backlapping?
Yes—precision grinding restores the true cutting geometry of the cylinder, whereas backlapping is only a temporary maintenance solution and does not correct blade shape.
How do Hunter Grinders support golf course and sports turf maintenance?
Hunter Grinder machines are widely used across the sports turf and groundscare industry, and are particularly useful as part of a comprehensive golf course groundscare set-up. They are designed to deliver fast, accurate, and repeatable sharpening for professional environments, ensuring mower and blade longevity and exceptional turf quality.
How can a cylinder grinder extend cutting unit lifespan?
If you're looking at how to extend cutting unit lifespan, regular grinding is essential. It reduces wear, maintains proper geometry, and prevents costly damage to cylinders.
What industries use professional turf grinding machines?
Professional turf grinder machines are used across:
• Golf courses
• Football, Cricket, Hockey & Rugby pitches
• Ornamental Lawns & Educational settings
• Local Authority & Groundscare Contractors
