Die Erklärung/Inhaltsangabe:For grinding and smoothing of flat surfaces of natural diamonds on
îãðàíî÷íûõ type machine tools of ÎÀÁ-4, ÃÐÀÍ-1, ÑÎ-2 in the manufacture áðèëëèàí
T..
Die ausführliche Beschreibung der Marke:Technical characteristics:
overall dimensions, MM 300õ500
mass, kg , not more 15
cylindricity tolerance and radial run-out tolerance
necks surfaces of spindle concerning
its axis, MM, not more 0. 01
surface roughness parameter of necks of Ra, micrometre, not more 2. 0
cutting angle of writing surface of cone, the hail 90
the discs are checked for the mechanical strength at the rate
gyration 6000 on mine during two of minutes
the disc in assembly with spindle îòáàëàíñèðîâàí in case of working
speed, on mine 4000
- the disbalance Not more two divisions of indicator with price
division 0. 01 according to the state standard 577-68
surface roughness parameter of working section of body
cornered 90 Ra, MM, not more 0. 25
allowance of face runout of writing surface of disc
concerning spindle axis, MM, not more 0. 008
plane allowance of writing surface of disc, MM, not more 0. 05
straightness tolerance of forming working
surface, MM 0. 02 by this distance 82. 5 |
