Diamond Blades, Grinding Wheel & Cutting Wheel for Foundry

Diamond Blades

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Mounting Instructions
The hole size of diamond blade must correspond to the diameter of machine in use.
Arrow on the blade shows direction of rotation. The blade always has to be mounted on a flange, but never on a thread. The flanges have to be free of scratches and ridges, and also clean (no rust or dirt).
Peripheral Speed (m/s)
Peripheral speed has to be chosen in accordance with hardness and abrasiveness of materials to be cut. At too high speed, the blade gets blunted. At too low speed, the blade gets glazed over.
There are the following peripheral speeds for:
20 – 25 m/s for homogeneous and hard material; such as: flintstone, Al oxide,
porcelain, glass 25 – 40 m/s for medium hard and porous material; such as: sandstone, clay-slate, marble, concrete, artificial stone
When dry cutting, maximum peripheral speed of 80 m/s should never be exceeded.
The instructions of machine manufacturer are to be followed when wet cutting.
Cooling
When dry cutting, diamond blade has to be cooled down for 10 seconds after 20 seconds of cutting.
When wet cutting, appropriate quantity of coolant is necessary. Abrasive mud must be washed out of the cut. The holes for coolant have to be placed the way that the blade directs coolant straight to the cut. Sharpening
Cut into silicon dresser twice or three-times to sharpen the blade. For sharpening, soft brick or sandstone could also be used. Warning
1. Diamond blades can be used for straight cuts only. Cutting of curves could cause cracks on segments. The segments could be broken off and could cause injuries.
2. Damaged blades shouldn't be used.
3. Damaged, improper mounted or incorrectly used blades could hurt the user and damage the material or machine.
4. Goggles have to be used, and protection mask is highly recommended.
5. When cutting flintstones dust extraction is recommended.
6. Before use, check safety devices of the machine.

Remember the Do's and Don'ts of diamond saw blades!

- Do follow manufacturer's recommendation concerning specification for material to be cut and suitability for dry cutting applications.
- Do inspect the diamond saw blade for damage during shipment or previous use.
- Do inspect diamond saw blade for core flatness, fatigue cracks, segment damage, undercutting and arbor hole damage.
- Do check mounting flanges to ensure that they are of equal and correct diameter, that they do not exhibit excessive wear, and that they are relieved and not distorted (flat).
-- Do ensure that the diamond blade is mounted on a correct diameter shaft between proper blade flanges and is securely hand tightened.
- Do check for proper saw machine condition. Spindle bearings should be free of end and radial play. Consult the operating manual from the saw manufacturer for proper machine maintenance conditions.
- Do follow the manufacturer's recommendation for operating speeds for specific blade diameters.
- Do maintain a firm grip on hand held saws during cutting operations.
- Do wear proper safety equipment. Always wear safety glasses,wear safety footwear, snug-fitting clothing, hearing and head and respiratory equipment where required.
- Do ensure that all safety guards on the blades and belts are in place.
- Do allow the blade to cool, when dry cutting, by frequently removing it from the cut.		 - Don't cut dry except with a blade specifically designed for dry cutting by the manufacturer.
- Don't force blade onto machine shaft, alter the size of the mounting hole, or tighten mounting nut excessively. Use of bushings to reduce the arbor hoe size is not recommended for diamond blades used on high-speed saws.
- Don't exceed the maximum operating speed established for the diamond blade.
- Don't operate a saw without proper safety guards in place. Never operate any saw, wet or dry, without a blade guard.
- Don't stand in direct line with blade during operation.
- Don't cut or grind with the sides of a diamond blade.
- Don't force the blades into material; allow the blade to cut at its own speed.
Forcing the blade may cause overheating and blade damage.
- Don't make long continuous cuts with a dry diamond blade. Allow blade to cool by turning in air every few minutes. The harder the material being cut, the more
often the blade should be allowed to cool.
- Don't use the blade to cut material other than that recommended by the manufacturer for that specific blade type.
- Don't use the blade on a type of saw other than that specified by the manufacturer.
- Don't use blades dry on concrete saws over 11ph.
- Don't make cuts deeper than one inch per pass when dry cutting with a concrete saw.
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