Tyrolit - Product range of diamond tools Page 338
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SAFETY 336 Trouble-shooting Diamond saw blade 1. Excessive wear 3. The blade does not cut – The saw blade is not suitable for the material being cut. Use a harder specification. – The saw blade is too hard for the material being cut. Check if the specification is appropriate. A glazed blade can be sharpened by cutting into soft, abrasive material. – Insufficient water supply. Adjust the water supply and / or check the water lines. – The blade is pounding, which accelerates the wearing. The reasons could be poor bearings, a worn spindle shaft or the use of a too hard specification for the material being cut. Check the state of the machine or use a softer specification. – The operating speed (RPM) is too low. Use the correct RPM for the diameter of the blade (see RPM recommendations). 2. Undercutting Undercutting is a condition in which the steel center wears faster than the diamond segment, especially in the areas where the segment and core are joined. This is caused by highly abrasive material grinding against the blade during the sawing operation. Finally this can lead to segment loss. – Be sure to have sufficient water supply. Only with sufficient water the abrasive grinding slurry will be transported out of the contact zone and will thus reduce the undercutting effect. – Do not cut into the sub base of the pavement (lose gravel or sand). The loose material scrubs strongly on the body and tips it below the segments. Caution! For safety reasons, do not use the saw blade any longer! – The output power of the machine is insufficient to permit the blade to cut properly. Make sure that the specification is appropriate for the machine power and the material being cut. Repeatedly check the tension of the V-belt in order to guarantee an optimal transmission of power. – The operating speed (RPM) is too high. Use the correct RPM. If the speed can‘t be changed, perform the cut in several passes. – The blade is not mounted correctly. Ensure that the running direction of the saw is correct (direction of rotation arrow). 4. Overheating Overheating may lead to several problems like loss of core tension, cracks in the steel core and segment loss (in case of brazed segments). Overheating can be identified by a discoloration (blue and / or black oxidation) of the blade or the segments. – Make sure that wet-cutting saws have a sufficient water supply. Check the water lines and make sure flow is adequate on both sides of blade. – An excessive cutting pressure leads to overheating of dry-cutting tools. Use several passes of 2 to 5 cm deep for cutting solid materials. On a regular basis, release the pressure on the diamond blade and allow it to rotate freely for cooling in the air. Do not use excessive pressure – the weight of the machine is sufficient. 5. Loss of blade segment – The machine was not held firmly or the material was not fixed, which caused the blade to twist or jam in the cut. Secure the material firmly while cutting and and maintain a firm grip on the machine. – The blade is too hard for the material being cut which causes the blade to chatter. Use a softer specification. – The blade has been undercut. Make sure that there is sufficient water supply and do not cut into the base layer of the pavement (gravel). – In case of brazed segments, a short interruption of the cooling can lead to overheating and thus to a destruction of the soldered joint. – The saw has not been mounted correctly and starts to chatter. Caution! For safety reasons, do not use the saw blade any longer!
348 Pages | Valid until 06/2026 | Previous page | Next page
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