In view of the difficult assembly of connector hole group structure widely used in engineering practice,the polar coordinate marking method and the position degree marking method are generally used to mark the position of connector hole group.The two marking methods produce different inspection ways,and two different ways of position gauge design methods are obtained.In the paper,two design methods of position gauge of polar coordinate marking method and position degree marking method are introduced,and the two methods are compared in practical use.The position degree marking method is more practical than the polar coordinate marking method,which can ensure that the product assembly performance is more convenient and accurate in practical use,and improve the design efficiency.
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