High steadiness clamp for processing of numerically-controlled machine tool

The invention discloses a high steadiness clamp for processing of a numerically-controlled machine tool. The clamp comprises a clamp main body, wherein a lower pressure plate and an upper pressure plate are fixedly mounted on the outer side of the inner side of the clamp main body, the lower pressure plate is located below the upper pressure plate, transmission rods are arranged on the outer surfaces of one sides of the lower and upper pressure plates; adjusting bolts are movably mounted on the outer surfaces of one sides, close to the clamp main body, of the transmission rods; and adjusting handles are fixedly mounted on the outer surfaces around the adjusting bolts. The high steadiness clamp for processing of the numerically-controlled machine tool disclosed by the invention is providedwith a shock absorbing ring, a second mounting hole and an anti-skid mat, vibration of the clamp as a result of vibration of the machine tool can be prevented, so that the workpiece processing precision is ensured; the high s