Specsheet
Bit life logging is a practical way to monitor cutter health and prevent unexpected tool failures in the workshop. It delivers hard evidence for safer, more reliable machining shifts.
By Mr Thabo Mokoena, MD, Equipment
Every time a router, mill, or engraver bit runs, it wears down. This wear is not always obvious, especially when you are busy or running different materials in the same shift. If you do not track when a cutter was used, how long it has cut, or why it was changed, you are guessing when it is safe to run the next job.
Unlogged bit changes mean you risk a blunt or damaged tool cutting a job that counts. The result is poor surface finish, out-of-tolerance parts, or worst-case, a snapped cutter damaging the machine or workpiece. These problems are avoidable if you log cutter life simply and share it with the team.
You do not need a complicated system or special software. A simple four-line log on a clipboard, whiteboard, or tool crib sheet works well in most small or medium workshops. The goal is to make sure every operator and technician knows the history of each cutter, especially shared tools.
Keep your log where it is visible and part of the normal workflow, so it gets used every time a tool is swapped or checked.
If you are not sure how often to change a certain type of bit, or if your cutters seem to dull or break much faster than expected, let us know. Different materials and feeds can shorten or extend bit life, and we can advise what to expect on your machine.
Ask us about setting up a spindle kit with labelled trays or matching cutter IDs to your log system. We can also show you practical checks for tool wear and best ways to store used, new and damaged bits to avoid mix-ups.
We often see shops running cutters until they snap, rather than logging when performance drops. This usually leads to rough edges, repeat jobs, or more expensive machine repairs. Another mistake is swapping collets or cutters without logging it, so the next person does not know what is safe to use.
Some teams rely only on memory or WhatsApp groups, which does not work long-term, especially when people move between shifts or bays. Make the log part of your routine, not an afterthought.
Continue with equipment, bays, or use our contact form.
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