Metal-based diamond grinding wheel and manufacturing method thereof
A manufacturing method and diamond technology, applied in the direction of manufacturing tools, metal processing equipment, abrasives, etc., can solve the problems of small chip space, high operating temperature, chip adhesion and blockage, etc., and achieve a large space for metal chips and abrasives. The effect of increasing grinding speed and reducing power loss
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[0039] Example 1
[0040] A metal-based diamond grinding wheel includes a steel core and an abrasive ring. The steel core and the abrasive ring are combined by a resin adhesive. The abrasive ring is prepared by mass percentage of the following components: diamond abrasive: 35%, metal Bonding agent: 55%, auxiliary bonding agent: 10%, the sum of the mass percentages of diamond abrasive, metal bonding agent and auxiliary bonding agent is 100%; the mass percentage of the components contained in the metal bonding agent is: Cu powder: 60 %, Sn powder: 30%, Ti powder: 10%; Cu powder, the sum of Sn powder and Ti powder mass percentage is 100%; the porosity of the abrasive ring is 30%; the diamond abrasive, Cu powder, Sn powder and The particle size of Ti powder is 40 μm; the auxiliary binder is acrylic emulsion.
[0041] The specific dimensions of the grinding wheel are 80 mm in inner diameter, 100 mm in outer diameter, and 10 mm in thickness. Macro hardness is 80HRB, impact toughness is...
Example Embodiment
[0053] Example 2
[0054] A metal-based diamond grinding wheel includes a steel core and an abrasive ring. The steel core and abrasive ring are combined by a resin adhesive. The abrasive ring is prepared by mass percentage of the following components: diamond abrasive: 45%, metal Bonding agent: 40%, auxiliary bonding agent: 15%, the sum of the mass percentages of diamond abrasive, metal bonding agent and auxiliary bonding agent is 100%; the mass percentage of the components contained in the metal bonding agent is: Cu powder: 50 %, Sn powder: 45%, Ti powder: 5%; Cu powder, the sum of Sn powder and Ti powder mass percentage is 100%; the porosity of the abrasive ring is 40%; the diamond abrasive, Cu powder, Sn powder and The particle size of Ti powder is 60 μm; the auxiliary binder is acrylic emulsion.
[0055] The specific dimensions of the grinding wheel are 80 mm in inner diameter, 100 mm in outer diameter, and 10 mm in thickness. Macro hardness is 90HRB, impact toughness is 0.11...
Example Embodiment
[0066] Example 3
[0067] A metal-based diamond grinding wheel, comprising a steel core abrasive ring, the steel core and the abrasive ring are bonded by a resin adhesive, wherein the abrasive ring is prepared by mass percentage from the following components: diamond abrasive: 47%, metal bonded Agent: 48%, auxiliary binder: 5%, the sum of the mass percentages of diamond abrasive, metal bond and auxiliary bond is 100%; the mass percentage of the components contained in the metal bond is: Cu powder: 47% , Sn powder: 43%, Ti powder: 10%; Cu powder, the sum of the mass percentages of Sn powder and Ti powder is 100%; the porosity of the abrasive ring is 25%; the diamond abrasive, Cu powder, Sn powder and Ti The particle size of the powder is 75 μm; the auxiliary binder is acrylic emulsion.
[0068] The specific dimensions of the grinding wheel are 80 mm in inner diameter, 100 mm in outer diameter, and 10 mm in thickness. Macro hardness is 100HRB, impact toughness is 0.12J / cm 2 , When ...
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