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Many blade problems begin with a mismatch between the material, blade and machine. Use this checklist during selection and setup rather than relying on a generic speed or lifespan recommendation.
Avoid (1) assuming all diamond blades cut all materials, (2) choosing by diameter without checking the bore, (3) ignoring the marked speed limit, (4) using damaged mounting components, and (5) treating a cutting-only blade as a grinding disc. Verify each point against the supplied instructions.
Avoid (6) forcing or twisting the blade, (7) ignoring approved cooling and dust control, (8) continuing after unusual vibration, (9) using cracked or distorted blades, and (10) comparing wear results from different test conditions as if they were equivalent.
Record the blade reference, material, machine, method and observed problem. This gives the supplier useful evidence for a replacement specification and helps avoid ordering the same unsuitable blade again.
Use the checklist before a sample trial or new job. A failed or unanswered check should be resolved before proceeding.
| Checks | Evidence to review |
|---|---|
| 1–3: material, bore and speed | Application marking, machine requirements and blade identification |
| 4–5: mounting and permitted operation | Condition of mounting components and approved tool function |
| 6–7: feed, cooling and dust control | The actual machine and blade instructions |
| 8–9: vibration and damage | Inspection findings and any reason to stop |
| 10: fair comparison | A shared test record for material, depth, method and accepted finish |
Keep purchasing errors and operating issues separate in the record. A different disc specification cannot by itself resolve an unidentified machine or setup problem.
Sample trial worksheet · How to Choose a Diamond Blade: A Buyer’s Guide · How to Evaluate Diamond Blade Cutting Performance
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