Composite bond cbn grinding wheel for stainless steel medullary cavity reamer and its application
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Embodiment 1
[0043] Embodiment one prepares composite bond CBN emery wheel, comprises the following steps:
[0044] 1. Preparation of alloy powder:
[0045] The metal powder raw materials in the following weight percentages: 55% copper powder, 40% tin powder, and 5% silver powder are mixed and ball milled, and passed through a 320-mesh standard sieve to obtain alloy powder.
[0046] 2. Preparation of matrix mixture:
[0047] The powder raw material of following volume percentage: Modified polyimide resin powder (brand PI-KF-1, commercially available) 35%, copper powder 52%, tin powder 10%, silver powder 3% are placed in three-dimensional mixing machine and mix After 1 h, pass through a 320-mesh standard sieve to obtain a matrix mixture.
[0048] 3. Preparation of composite bond CBN grinding wheel:
[0049] (1) Mix 80% alloy powder and 20% modified polyimide resin powder (brand PI-KF-1, commercially available) in a three-dimensional mixer for 1 hour, then pass through 320 mesh Standard ...
Embodiment 2
[0058] Embodiment 2 Preparation of composite bond CBN grinding wheel, the process is the same as that of Embodiment 1, and the specific steps are:
[0059] 1. Preparation of alloy powder:
[0060] The metal powder raw materials in the following weight percentages: 50% copper powder, 40% tin powder, and 10% silver powder are mixed and ball milled, and passed through a 320-mesh standard sieve to obtain alloy powder.
[0061] 2. Preparation of matrix mixture:
[0062] Put the following powder raw materials in volume percentage: 31% modified polyimide resin powder, 56% copper powder, 11% tin powder, 2% silver powder in a three-dimensional mixer for 1 hour and then pass through a 320-mesh standard sieve to prepare Obtain the matrix mixture.
[0063] 3. Preparation of composite bond CBN grinding wheel:
[0064] (1) Put the alloy powder and resin powder with a volume percentage of 75% and 25% in a three-dimensional mixer for 1 hour, and then pass through a 320-mesh standard sieve ...
Embodiment 3
[0073] Embodiment 3 Preparation of composite bond CBN grinding wheel, the process is the same as that of Embodiment 1, and the specific steps are:
[0074] 1. Preparation of alloy powder:
[0075] The metal powder raw materials with the following weight percentages: 52% of copper powder, 41% of tin powder, and 7% of silver powder are mixed and ball milled, and passed through a 320-mesh standard sieve to obtain alloy powder.
[0076] 2. Preparation of matrix mixture:
[0077] Put the following powder raw materials in volume percentage: 38% of modified polyimide resin powder, 50% of copper powder, 10% of tin powder, and 2% of silver powder in a three-dimensional mixer for 1 hour and then pass through a 320-mesh standard sieve to prepare Obtain the matrix mixture.
[0078] 3. Preparation of composite bond CBN grinding wheel:
[0079] (1) Put the alloy powder and resin powder with a volume percentage of 70% and 30% in a three-dimensional mixer for 1 hour, and then pass through ...
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Abstract
Description
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Application Information
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