large inner diameter grinder
A grinding apparatus uses an inner diameter grinding wheel 4 to grind a doughnutshaped workpiece 12 and comprising an axle support cylinder 5 for support a sleeveshaped grinding wheel axle 6 mounted on which is the grinding wheel 4 having annular grinding grooves 13 in its inner peripheral surfaceThe axle 6 is rotatably mounted in the cylinder 5 to vertically pass
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