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Cutting it Close? Know When to Change Your Collet for Safe, Sharp Results
Cutting it Close? Know When to Change Your Collet for Safe, Sharp Results
PUBLISHED by EYE ON DESIGNYour CNC collet does more than just hold the tool—it’s the backbone of precision and safety in every cut. But a worn-out collet can quickly turn into a costly or dangerous problem. Knowing when to change your collet keeps your cuts cleaner, extends tool life, and ensures you’re operating at peak efficiency.
Here’s how to spot the signs when it’s time to swap out an old collet for a new one.
1. Spot the Damage
Inspect your collet. Any cracks, scratches, or dents? Damage like this means it’s no longer gripping right, and that’s a red flag for both accuracy and operator safety. Damaged collets can lead to erratic cuts, tool slippage, or even machine failure.
2. Feel the Tension – Or Lack of It
Your collet’s main job is to keep a tight grip on the tool shank. Over time, that tension wears out, and when that happens, it’s a safety risk. Tools that slip during operation can ruin the finish, damage your machine, or worse. If you notice your tool wobbling or moving, the collet needs replacing—no question.
3. Track Collet Lifespan
Even if it looks fine, a collet can still be worn out. Typically, collets need replacing every 400-600 hours of use or every 3-6 months, depending on your production volume. High workloads, tough materials, or dusty environments can wear them down faster, so track it and change as needed.
4. Keep It Clean, Or Change It
A clogged, dusty collet won’t grip as it should. Make a habit of cleaning your collets with a brush or air compressor. If it’s caked with grime or still shows wear after cleaning, it’s time for a new one. Clean collets mean safer, smoother cuts and a longer tool life.
Why Replacing Your Collet Matters
An old collet compromises cutting quality, shortens tool life, and risks safety hazards like tool breakage. Keep your CNC router at its best by staying on top of collet replacement.
Ready to Upgrade? Keep Your Machine Running Smooth
Regular collet changes are a small investment that makes a huge difference. Better cuts, longer tool life, and safer operation all start here. Head over to our Collets Collection page to find the right collets for your Tekcel CNC router and keep your machine performing like new: https://completecnc.co.uk/products/router-accessories/collets/
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