In the spring factory customized product, we need to provide the following parameters

The parameters of the compression spring material, wire diameter, outside diameter, pitch diameter, inner diameter, pitch, free height, total number of laps, effective number of turns, working stroke, maximum compression, elastic, convolute ratio, whether at both ends and tight, smooth, special requirements, etc. Then the spring manufacturer to provide these parameters must provide? What are the parameters that must be provided, must be. We all know that the spring diameter - Wire diameter = pitch diameter; Pitch diameter - Wire diameter = diameter; Wire diameter/pitch diameter = to rotate. Custom when spring wire diameter, outside diameter, pitch diameter, inner diameter, convolute than only need to provide the offer of two parameters can be calculated five parameters. At both ends and tight ( Pitch + wire diameter) By the total number of circle - Pitch = free height; The total number of laps - 2 = effective number of turns. So we must provide to spring factory custom parameters are: use of materials needed for manufacturing spring ( Can also be in accordance with the requirements of other manufacturers recommended) ; Spring wire diameter, outside diameter, pitch diameter, inner diameter, convolute than provide at least two of these parameters; Spring of pitch, free height, total number of turns and efficiently provide laps at least two of these parameters ( At both ends and not tight all provide all parameters as much as possible) ; Work schedule, stretch as far as possible to provide, can also according to the above parameters calculated, but prone to error when manufacture, if high accuracy may be unable to meet the requirements; Both ends are tight and smooth, general compression spring if they are not labeled with the default for both ends and not smooth, tight maximum working stroke generally is greater than the work schedule, if the maximum working stroke is less than the service life of the working stroke spring will fell sharply, the highest within three permanent deformation cannot be used. Deal with the special requirements such as: blue black, galvanized, chrome plating, nickel plating, copper plating, silver plating, plating, etc. , chamfering, different spacing, variable spacing, the convex, concave, etc.
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