Support arch A3, A4, A5
Explanation of the symbol of the lining:
КМП-А3 – support metal pliable arched three-link;
КМП-А4 – support metal pliable arched four-link;
КМП-А5 – five-link arched metal support lining (based on the KMP-A3 three-link lining, has additional rectilinear links that extend the racks, one for each rack).
The reliability requirements of the lining characterize the indicators of strength and stability of the flexible nodes of the lining. Locks of locks consist of brackets, levels and nuts. In ZMK locks, a curved bar made of rocket is used, in ZPK locks – a curved bar stamped from a strip 12 and 16 mm thick, and in ZPK locks – a straight bar from a sidewall of an SVP profile 17; 22; 27; 33 or from a strip 160×60 mm and 18×60 mm.