Concrete cutting laser welded diamond saw blade

Diamond Saw Blades cutting stone in the process will be subject to alternating load of centrifugal force, cutting force, cutting heat and the like. Due to the force and temperature effects caused by diamond saw blade worn donate damage.
force effect: during sawing, the blade is subject to axial force and tangential force. Because of the force acting radially and in the circumferential direction, in the axial direction so that wavy blade, dish-shaped in the radial direction. Both can cause deformation of the rock section is not flat, stone waste more time sawing noise, vibration intensified, causing lumps early diamond breakage, reduce blade life.
temperature effect: Traditional theory: the influence of temperature on the saw blade process is mainly manifested in two aspects: First, the cause agglomeration of diamond graphitization; the second is caused by hot carcass diamond Wilson force which led to the diamond particles premature shedding. New research shows that: the heat generated during the cutting of the main incoming caking. Arc temperature is not high, generally between 40 ~ 120 ℃. The abrasive grinding point has a higher temperature, generally between 250 ~ 700 ℃. The average temperature of the coolant only reduce arc zone, the temperature of the abrasive grains was less affected. This temperature does not result in graphite charring, but cause friction properties between the grains and the workpiece changes, and thermal stress occurs between the diamond and additives, resulting in a fundamental failure mechanisms diamond of bending. Studies have shown that the temperature effect is to make the damaged blade biggest factors.
grinding damage: due to the force and effect of temperature than should, after a period of use the blade tends to produce grinding damaged. Grinding damaged form are the following: abrasive wear, local crushing, a large area of broken off, binders direction along the cutting speed of mechanical abrasions.
Abrasive: the diamond particles in the formula constant friction member, a planar edge passivation, losing cutting, increasing the friction. Sawing heat causes the surface graphitization of diamond particles TLC, greatly reduce the hardness, increased wear: Heat stress generated from the surface of diamond particles alternating, but also withstand the stress of alternating cutting, fatigue crack occurs locally broken, revealing a sharp new edge, is an ideal wear form; large broken: the diamond particles to withstand impact loads when the Leads, the more prominent of grains and grain prematurely consumed;
off: alternating cutting force so that the diamond particles in the binding agent is constantly shaking and rattling. At the same time, thermal wear and sawing sawing process of binding agent per se to soften the bonding agent. This makes the binder holding force drops when the cutting force is greater than the holding force on the particles, the diamond particles will fall off. No matter what kind of wear and tear are closely related to the diamond particles bear the load and temperature. Both of which depend on the process and Cheng cut cooling and lubrication conditions.