Cutting unit service

REEL GRINDING SERVICE

Spin grinding, relief grinding and bedknife work on golf course and turf cutting units across Southwest Florida. A reel that is sharp and true is the cheapest agronomy on the property, because everything downstream of a clean cut gets easier.

Book reel grindING
 
What we do

A sharp reel is not the same as a true one

Grinding restores two things at once, an edge that cuts cleanly and a cylinder that is round and parallel across its whole width. Backlapping can help with the first. Only a grind fixes the second, and the second is what most quality of cut complaints turn out to be.

 

Reels And Bedknives Ground As One Job

Spin grinding, relief grinding, bedknife top and front angle grinding, cone and taper correction, land width, reel to bedknife contact, height of cut reset and the after cut appearance that all of it produces.

Grinding the reel and leaving the bedknife is half the work, because the two only cut against each other. A worn bedknife has lost its front angle and gained thickness, which changes the effective height of cut and the attitude of the cut long before anyone blames the reel. Both come back to specification together or neither of them is fixed.

 Spin grinding
 Relief grinding
 Bedknives
 

Tell us what the cut looks like and we will tell you what it needs

Send the make and model of the cutting units, the height of cut you are running, the hours since the last grind and what the surface is doing. You will hear back from an equipment manager, not from a service desk.

 
Who we grind for

Anyone judged on the surface behind the machine

 
 Golf coursesGreens, tees, approaches and fairway units on a grinding rotation, where sand topdressing takes an edge off faster than the hour meter suggests
 
 Equipment managersShops without a grinder of their own, or with one that cannot relief grind, needing the geometry corrected rather than the edge touched up again
 
 Public groundsParks, schools and sports field crews running reel mowers on a budget, where a proper grind buys years out of a cutting unit
 
 Contractors and sodCommercial operations cutting to a client expectation, where a torn leaf tip on a finished job is the thing that gets noticed and remembered
 
What sets SWFL apart

Ground by the person who has to answer for the cut

Over 25 years as a golf course equipment manager, Toro University certifications, time served as an assistant superintendent and a commercial ornamental and turf applicator license. Grinding is a workshop job judged out on the grass, which is the part that gets skipped.

 Judged on the surface not the specMore
Judged on the surface not the spec

A reel can measure correctly and still cut badly once contact, bedknife attitude and height of cut are wrong. We finish the job at the setting stage rather than at the grinder, because that is where the cut is actually decided.

 We grind the bedknife tooMore
We grind the bedknife too

A new edge on the reel working against a thickened bedknife with a lost front angle gives you a cut that disappoints within a week. The pair is the cutting tool, so the pair gets brought back to specification.

 We will tell you when not to grindMore
We will tell you when not to grind

Some reels are down to the last of their usable diameter and grinding again buys very little. We would rather tell you the unit is near the end than take material off it and hand you the same problem next season.

 
Three different jobs

Backlapping spin grinding and relief grinding

These get treated as three strengths of the same thing and they are not. Each corrects something the one before it cannot, and using the first where you needed the third is the most expensive habit in a reel shop.

  1.  BacklappingLapping compound run between reel and bedknife to clean up an edge that has just started to dull. It is quick, it happens in your own shop and it has a real place between grinds. What it cannot do is make a coned reel round again, narrow a land that has worn wide or restore a bedknife angle, and used as a substitute for grinding it eventually rolls the edge instead of sharpening it.
  2.  Spin grindingThe reel is spun against a traversing wheel so every blade is cut to the same diameter across the full width. This is what takes cone and taper out and gives you a cylinder that cuts the same at both ends, which is the fix for a unit that has been leaving a band down one side. It sharpens and it trues, and for most maintenance intervals it is the whole answer.
  3.  Relief grindingEach blade is ground individually to put relief behind the cutting edge and bring the land back to a narrow, consistent width. Less metal touching the bedknife means less friction, less heat and an edge that lasts, and the unit will hold a clean cut on much lighter contact. This is the one that gets skipped by a shop without the right grinder, and it is why some reels never seem to stay sharp.
Cutting units we grind

The units a course shop actually runs

Blade count, reel diameter, bedknife profile and the recommended front and top angles differ by maker and by unit, and so does the setting procedure afterwards. These are the makes we see most across Southwest Florida.

  • ToroGreensmaster and Reelmaster cutting units, DPA and fixed head reels, bedknife and setting procedure. Toro University certified
  • John DeereGreens and fairway cutting units, reel and bedknife service and the contact setting that follows the grind
  • JacobsenGreens King and Eclipse reels, heavy duty rough units, bedknife profiles and reel geometry
  • CushmanCutting units and attachments running on utility and turf transport platforms
  • KubotaReel and rotary units on diesel mowers, plus the drive and setup behind them
  • SteinerReel and finishing attachments that run on articulating tractors
  • TurfcoReel and verticut units, and the blade and depth settings that go with them
  • SmithcoTurf equipment cutting components and the rolling and finishing kit around them
  • DakotaTurf maintenance equipment servicing alongside the cutting unit program
  • Another makeTell us the unit and the blade count and you will get a straight answer on whether it is something we can take on
 
Owner operatedHow the work runs

Four steps and the cut proved before it leaves

A grind that ends at the grinder is not finished. The last step is the one that decides whether the surface actually changes, so it is part of the job rather than something handed back to your crew.

  
  1.   
    Send the units or the machine

    Tell us the make and model, the number of units, the height of cut you run and roughly how long since the last grind. Whether it suits you better to drop cutting units or bring the whole machine, say so when you get in touch and we will confirm what works for your schedule.

  2.   
    Inspect and measure first

    Reel diameter against the usable minimum, cone and taper across the width, land width, bearing and shaft condition, bedknife thickness and angle, and whether the backing and the frame are still true. This is where a unit that is not worth grinding gets identified, before anyone spends money on it.

  3.   
    Grind the reel and the bedknife

    Spin ground to true the cylinder, relief ground where the land has worn wide and the unit needs to hold an edge, and the bedknife brought back to its front and top angles rather than simply faced off. Both parts finished to the unit specification, because they only work as a pair.

  4.   
    Set the contact and prove the cut

    Contact set light and even across the width, height of cut reset because the bedknife thickness has changed, and the cut proved rather than assumed. A unit that leaves here should be ready to work, not ready to be adjusted on the first green on a Monday morning.

 
Common questions

Reel grinding and bedknife service

What is reel grinding and why does it matter?

Grinding restores the cutting geometry of a reel mower. It sharpens the blades, brings the reel back to a true cylinder across its full width, and takes the reel and bedknife back to the angles they were designed to cut at. It matters because a sharp reel severs the leaf cleanly while a dull one tears and bruises it, and torn tissue loses moisture, grays off and gives disease an easy way in. The cut quality you see is the visible half of an agronomic problem.

What is the difference between spin grinding and relief grinding?

Spin grinding turns the reel against a traversing wheel so every blade is cut to the same diameter, which sharpens the edges and trues the cylinder. Relief grinding treats each blade individually, putting relief behind the cutting edge so the land is narrow and consistent. Spinning fixes shape and sharpness. Relieving reduces friction and heat so the edge lasts and the unit cuts on lighter contact. Most units want both over their life, and a reel that never seems to stay sharp is usually one that has only ever been spun.

How often should reels be ground?

Interval follows wear rather than the calendar. Hours matter, but so does what the reel is cutting through, and heavy sand topdressing is abrasive enough to take an edge off far faster than the hour meter suggests. Greens units on a sand program need attention more often than fairway units on the same number of hours. The practical answer is to set the interval from your own after cut appearance and land width rather than from a number somebody quoted for a different course.

Is backlapping enough or do I need a grind?

Backlapping has a real place between grinds and it will bring back an edge that has only just started to dull. What it cannot do is correct shape. A coned or tapered reel, a land that has worn wide, or a bedknife that has lost its front angle will all survive backlapping untouched, and lapping a badly worn edge eventually rolls it rather than sharpening it. If the cut goes off again quickly after a lap, that is the signal that the geometry needs grinding rather than the edge needing another pass.

Do you grind bedknives as well as reels?

Yes, and we would not do one without looking at the other. The reel and the bedknife are a single cutting tool, and a fresh reel edge working against a thickened bedknife with a lost front angle will disappoint within days. Bedknives get ground back to their front and top angles rather than simply faced off flat, because those angles are what let the pair shear the leaf instead of trapping it.

Do I send the whole machine or just the cutting units?

Either works, and it usually comes down to what keeps your fleet cutting. Sending units alone means the machine stays available, and it suits a course rotating through a set over several weeks. Sending the machine makes sense when you want the contact, the height of cut and the way the units carry on that specific mower all checked together. Tell us which suits your schedule and we will confirm the arrangement before anything moves.

How do I know my reels need grinding?

The surface tells you first. A grayish or brown cast across the turf a day after mowing is torn leaf tips rather than a fertility problem. Stragglers left standing, a banded strip down one side of a unit, a cut that goes off within a few days of a backlap, or reels that need heavier and heavier contact to cut at all are all pointing the same way. On the bench, a wide shiny land on the blade faces and a bedknife that has visibly thickened confirm it.

Which cutting units do you grind?

Greens, tee, approach, fairway, trim and rough reel units from the makes that run here, most often Toro, John Deere, Jacobsen, Cushman, Kubota, Steiner, Turfco, Smithco and Dakota. Blade count, reel diameter, bedknife profile and the recommended angles differ by unit, so tell us the make, the model and the blade count and you will get a straight answer.

Will grinding change my height of cut?

Yes, and this is the step that gets missed. Grinding removes material from the reel and from the bedknife, and a thinner bedknife sitting differently in its holder changes the effective height of cut even though nobody moved an adjuster. Height of cut is reset and checked after the grind as part of the job, which is also why a unit that comes back from a grind and then mows lower than expected has usually not had that last step done.