A dull blade does not clip — it pulls the coat

Why tools wear out faster in a grooming salon than in a hair salon

A dog does not arrive clean. The coat carries sand, road dust, dried-in dirt and, on coastal clients, sea salt — all of it passing through the teeth of the blade set. It is not cutting soft material but dragging abrasive grit across a cutting edge, hour after hour. A matted coat adds mechanical load: the cutter forces through a compacted layer, slows and heats up. A blade set therefore wears out far faster here than in a hair salon: the nature of the work, not a fault in the blade.

What the wear looks like

The first sign is the animal’s reaction: a dull blade pulls the coat before it cuts, and the dog flinches, turns its head or backs away. The second is heat: a blade that cuts warms moderately, a dull one soon runs too hot for thin skin. The third is on the coat: the blade skips, leaving steps to correct by hand, stretching the appointment. On shears wear shows as crushed tips rather than a clean cut, on thinning shears as uneven removal, because the flat blade no longer sits against the toothed one. A broken or bent tooth takes a blade out of use at once: it tears the coat and grazes the skin.

Snap-on blade sets: cutter, comb and seating on the clipper

A clipper blade set is not one blade but a pair that must work together. Cutter and comb are sharpened in the same cycle: sharpen only one and the faces will not match, so the blade will not cut, however keen both parts are. On reassembly the cutter must stay back from the comb tips, never past them, or it scrapes the skin. The spring and guide are checked, since they set the pressure between the faces, as is the rear section that snaps onto the clipper: bent or worn, it stops the blade seating firmly, so it vibrates, heats up and wears unevenly — which no sharpening corrects.

Worth saying plainly: sharpening removes material from the faces, so a blade may cut marginally closer afterwards — normal, and the reason every blade has a finite number of sharpenings in it.

What correct sharpening restores

The work runs in stages, from coarse to fine grit, at a controlled angle and with cooling. That is no detail: steel that overheats loses its hardness for good and never holds an edge again; no later sharpening repairs it. Only as much material is removed as the edge demands. The burr is taken off and the edge polished, because a smooth bevel tears less; the set is then reassembled and checked for fit. Shears are stripped, cleaned, sharpened on both blades and re-tensioned so they cut without force, the ride line left untouched — it can only be ground once, and irreversibly.

How often, and how many blades to keep in circulation

The question is less how often to sharpen than how many blades to keep in circulation, so you never work with a dull one. Keep two sets of the lengths you use most and one always at the workshop, so a changeover never lands on a full day. The rest is decided by your clients: long-coated breeds with an undercoat, and dogs that walk on sand and salt, wear a blade faster than short-coated ones.

Before you drop the tools off or post them

Take the blades off the clipper, brush out the hair under the cutter, wipe everything dry and remove blade-wash residue — damp in a parcel means rust. Wrap every blade and pair of shears individually, protecting the teeth or the cutting edge; padded envelopes are not suitable, because a blade cuts straight through them. Send shears assembled and closed with their original screw. Mark the pieces and enclose a list with your salon name, contact and what you want done to each. If a blade pulls or overheats, say so: that points to fit and spring, not only sharpness. Arrange drop-off at Ferrarska ulica 14 in Koper in advance via +386 51 659 600 · igor.komadina@t-2.net; post goes to the same address.