Diamond grinding wheel and method for manufacturing tool bit thereof
A technology of diamond grinding wheel and manufacturing method, which is applied in the direction of manufacturing tools, metal processing equipment, abrasives, etc., to achieve the effects of improving self-sharpening ability, expanding chip space, and improving performance
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Example Embodiment
[0019] Example 1
[0020] Manufacturing method of diamond grinding wheel
[0021] (1) Preparation of the mixture: the following components are made into powder according to the volume percentage: the volume percentage is 25% phenolic resin, 25% diamond, 15% Fe 2 O 3 , 15% CeO 2 , 10% AL 2 O 3 , 10% Cu powder. The particle size of diamond is 8000# (diameter between 0.1-0.3 microns). The particle size of Cu powder is 400# (diameter between 40-50 microns).
[0022] Then add a pore-forming agent of 20% of the powder mass to the powder. The mass percentage composition of the pore former is: 70% NaHCO 3 , The rest are (NH 4 ) 2 CO 3 .
[0023] (2) See figure 2 , Put the mixture into the cavity reserved by the mold 1.
[0024] (3) Heat and press the mixture through the pressing ring 4 fixed on the heating plate 3 to make the mixture 2 (see figure 2 ) Is pressed to the required size; when the mixture is heated and pressurized, the pressure will change from 0.1t / CM within 6min 2 Graduall...
Example Embodiment
[0027] Example 2-5
[0028] The added amount of the pore-forming agent in Example 1 was changed to 30%, 40%, and 50% of the powder mass, and the others were the same as in Example 1, to obtain Examples 2-5.
Example Embodiment
[0029] Example 6-10
[0030] The volume percentage of the following components in the powder in Example 1 was changed to: 30% phenolic resin, 20% diamond, and the others were the same as in Example 1, to obtain Example 6.
[0031] Change the volume percentage of the following components in the powder in Example 1 to: 40% phenolic resin, 15% diamond, 10% Fe 2 O 3 . Others were the same as in Example 1, and Example 7 was obtained.
[0032] Change the volume percentage of the following components in the powder in Example 1 to: 35% phenolic resin, 25% diamond, 10% Fe 2 O 3 , 10% CeO 2 . Others were the same as in Example 1, and Example 8 was obtained.
[0033] Change the volume percentage of the following components in the powder in Example 1 to: 40% phenolic resin, 25% diamond, 10% Fe 2 O 3 , 15% CeO 2 , 5% AL 2 O 3 , 5% Cu powder. Others were the same as in Example 1, and Example 9 was obtained.
[0034] Change the volume percentage of the following components in the powder in Exampl...
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