Balancing requirements for rail wheels are getting stringent due to increasing speeds of rail transportation. After measuring the unbalance, rail wheels are balanced using a strip of metal. The software needs to account for the distribution of balancing weight over an arc. The place-weight program in Precibalance machines ensure the correct unbalance amount is added and also provides the correct arc angle of the unbalance weight. This facility enables quicker balancing in a shorter time.