| As the basic dimensional unit (module) has been accepted =100 mm and the fractional module м=2 mm. The principle of frequency rate has been put in a basis of system of modular coordination of the sizes of elements to size of the module of the external sizes of a product - lengths, heights just for decoration section type with waybills dverkami and forward walls of boxes and frequency rates of the sizes to module size between imagined axial planes of vertical and horizontal walls just for decoration is universal-modular type with waybills dverkami and forward walls of boxes. In composite decisions with supplementary dverkami and forward walls of boxes by means of the module the internal sizes of branches of cases and sections were co-ordinated.
In construction of branch system of unification laws of tectonic construction of the form from plane elements of a certain thickness where dimensional dependence between various to destination and to a place in a product elements has been expressed by parities have been used:
Length of a panel board element L - KM - 1 (km - 1);
KM - 2р - 1 (km - 2р-1)
KM-h;
KM - 1,5h - r;
KM - 2h - 2р
Width of a panel board element In - KM - 2р-1 (km-2r-1);
KM + h + r;
Km - 1,5h - r,
Where M - the module equal of 100 mm; m - the fractional module equal of 25 mm; To - number of the modules used in size; And - a thickness of a panel board element; r - technological sves (platik) or a backlash equal of 2 mm; 1 - conditionally accepted settlement thickness of a layer of facing of two edges of an element (0,5 + 0,5 == I mm).
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