Diamond Blades Trouble Shooting
The majority of issues with diamond tools arise due to one of the following reasons:
The tool wasn’t matched to the job, the tool wasn’t used correctly or the machine is faulty
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E: sales@syntecsolution.com
T: (866) 360-3607 or (760) 737-7407
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If the blade doesn’t run smoothly, pay attention to the following:
– Tune the engine.
– Replace the bearings or lubricate the machine.
– Ensure the condition of the spindle.
– Re-bore the blade if it is still in good condition.
– Replace the arbour bush or shaft.
– Choose a blade with a softer or harder bond.
– Tighten, clean or replace the flange.
– Ensure the shaft has the correct diameter and the pinhole slides over the drive pin.
If your blade has turned black or blueish, this is an indication that it has overheated. Burning is one of the most common issues and can lead to several others, such as loss of tension or cracks in the core.
– Increase water flow, check the direction of the water stream and make sure there are no blockages.
– Allow the blade to cool by running at full speed outside the cut.
– Reduce the pressure on the blade and avoid cutting too deep.
Cracks in the blade appear when the tool is under extreme pressure creating metal fatigue. The extreme pressure can potentially generate the core to bend, flex, and eventually crack.
Warning:
Never use a cracked blade.
– Choose a blade with a softer bond.
– Apply steady, even pressure without twisting the blade during the cut.
– Increase the water supply.
– Allow the blade to cool down in between cuts and ensure adequate airflow.
– Check shaft and bearings and replace if needed.
– Replace blade, tighten shaft nut, check the operating speed as well as the drive pin.
Segments in tools such as saw blades can develop cracks due to various reasons, including overheating, improper use, incorrect bond/material hardness, and incorrect installation.
WARNING:
Replace the blade when a segment is cracked or broken.
– Test the material hardness and choose a blade with a softer or harder bond. Some cases the bond does not match the material hardness.
– Reduce the cutting speed and increase water pressure.
– Ensure no rebar is in the material, or a blade’s life expectancy reduces significantly.
Purchasing the wrong blade can result in the diamonds becoming over-exposed. Excessive wear occurs when the bond does not match the application, leading to excessive wear and impacting the blade’s lifespan.
– Choose a harder bond.
– Check that the water supply is adequate.
– Tension the belt or replace it if it is worn.
– Check the bearings and spindles and replace them if they are worn.
– Reduce the cutting speed.
– Check the alignment of the blade and machine.
– Ensure the drive spindle is rotating at the right speed.
Over time, a blade’s bond wears away, exposing diamonds to continue cutting.
If, however, the bond doesn’t wear away as intended, diamonds no longer get exposed, resulting in the blade slowing down until it eventually stops cutting. This smoothing of the blade’s cutting edge is called glazing.
– Choose a blade with a softer bond.
– Dress or sharpen the blade with a soft concrete block or abrasive wheel to expose diamonds. If reoccurring, switch to a blade with a softer bond.
– Reduce the amount of coolant.
– Reduce operating speed.
– Switch to a machine with higher horsepower and check and tighten belts.
– Check the tension on the drive belt.
– Check the direction of the arrow on the blade. If the arrow is no longer visible, check which way the bond tail behind a diamond is facing.
– Mount so that the diamond sits ahead of the bond tail when turning.
When a blade loses its tension, it will appear to wobble as the machine spins it. Ensure the blade runs steadily and is used correctly for a clean cut. Issues like improper speed, mismatched arbour holes, shaft size, or a bent blade from dropping or twisting can affect the cut quality.
– Align saw correctly and ensure the shaft diameter and the bore is correct, clean and flat.
– Choose a softer bond to reduce stress, or switch to a new blade.
– The material must be held in place firmly.
– Check the intended RPM and whether the spindle is rotating accordingly.
– Tighten the blade shaft nut, check drive pin is working correctly and ensure adequate water supply.
– Choose a blade with more side clearance or better suited to the material.
Not mounting the blade correctly on the saw/equipment can lead to several issues when using it.
– Tighten or replace the flanges.
Over time, a blade’s bond wears away, exposing diamonds to continue cutting. If the bond wears away too quickly, the diamonds within the bond aren’t supported anymore and fall out before the diamond is fractured or dull.
– Choose a blade with a harder bond.
– Test the material hardness to ensure it doesn’t need a specialised bond.
In the unlikely event of segments falling off a blade, these can be
the causes:
WARNING:
Replace the blade when a segment is cracked or broken.
– Ensure not to apply too much pressure, check the bond and the material hardness, and ensure there is no rebar in the cut.
– Check the blade’s alignment.
– Increase the water supply and let the blade run for a few minutes before continuing.
– Replace the blade if the material is very abrasive; you may need a specialised bond.
– Replace the blade as well as the bearing, realign the shaft or replace the blade mounting arbour.
– Use a blade with the correct specifications for the application.
– Ensure blades are handled carefully.
– Use a blade with undercut protection, supply adequate water to the core and avoid cutting into the sub-base. Flush out the cut to remove debris and slurry.
Several factors can shorten the life of a blade considering the following steps can ensure a longer tool life.
– Select the right blade for your application, i.e., one with a softer/harder bond. Test the material to ensure the hardness matches the tool.
– Cut with the addition of water and ensure sufficient amounts are reaching the cutting area on both sides of the blade.
– Keep an eye on the cutting depth and avoid cutting into the sub-base.
– Keep the machine steady and allow the blade to do the cutting.
– Check the blade’s ideal RPM.
If the segments wear only on one side, it impacts the blade’s side clearance.
– Check that the water is distributed evenly.
– Replace the bearings, worn arbour shaft or misaligned spindle.
– Check the wheels and their alignment on floor saws. Check the carriage alignment on masonry bench saws.
– Choose a blade with a softer/harder bond.
Could not find the support you need? Please contact our head office.
E: sales@syntecsolution.com
T: (866) 360-3607 or (760) 737-7407
F: (760) 737-6718
Our guide provides information that is for reference only. It is not a substitute for professional advice, and we cannot guarantee its accuracy. We recommend that users exercise discretion and seek guidance from qualified professionals. We are not liable for any loss or damage from using this guide. All descriptions, specifications, illustrations, drawings, data, dimensions and weights in this publication and all technical literature and websites containing information from Syntec Diamond Tools are approximations only. Syntec intends them to be a general description for information and identification purposes and does not create a sale by description. Syntec reserves the right at any time to:
a) Supply goods with such minor modifications from its drawings and specifications as it sees fit; and
b) Alter specifications shown in its literature to reflect changes made after the date of such publication.
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We offer a wide range of diamond blades for use on a variety of materials and applications from concrete to asphalt, masonry to construction. Our diamond segments are made from high quality, durable materials that provide effective and precise cutting.