In the design concept of the hard-supporting dynamic balancing machine, the inspection of the dynamic balance of the crankshaft is considered. Thus, a vector decomposition dial is provided at a lower rotational speed, a larger specimen journal range, and a narrower roller frame (which can be placed in the crankshaft main journal), which provides an advantage for measuring the dynamic balance of the crankshaft.

The main characteristic of the hard-supporting dynamic balancing machine is that the values ​​of the grids are fixed before leaving the factory, and the uneven grams and phases of the workpiece can be immediately indicated without adjusting the test operation, and the reduction rate is usually up to 90%. Up and down, the rotation speed is low, so the finish of the main shaft neck surface is small. Due to the rigidity of the swing frame, the rigidity is also high and the operation is simple. The hard support dynamic balancing machine allows for a large initial imbalance. As long as the centrifugal force generated by the imbalance does not exceed 1/3 of the weight of the workpiece, it can be inspected on the machine (more than 1/3, which may cause the workpiece to jump out of the roller frame). Since the machine is equipped with a spot vector decomposition dial, as long as the instrument indicates the unbalanced angular coordinate position and adjusts the three scales A, B, and C, the weight on the curled balance block should be removed, and the conversion coefficient does not need to be troublesome. Conversion factor to convert, very efficient. Because the machine's pendulum is rigid, it is easy to install weight-reducing equipment. The low speed balance of the YYW-3000 hard-supporting dynamic balancing machine is good. For example, after the crankshaft adopts the balanced process measures, the minimum detection amount can reach 20g or less (that is, less than 2g), which can meet the allowable degree of the crankshaft dynamic balance machine. Claim.

In summary, on a universal balancer, measures such as the correct placement of the lower speed and the span between the brackets are employed. As long as the crankshaft dynamic balance can be met at low speeds, there are two multi-cylinder crankshafts. For dynamic balancing machines with support points, the dynamic balancing machine can be verified. If the crankshaft stiffness and the balance weight are in good condition, the multi-cylinder crankshaft dynamic balance usually achieves good results.

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