OBRABOTKAMETALLOV MATERIAL SCIENCE Том 23 № 3 2021 EQUIPMEN . INSTRUM TS Vol. 6 No. 2 2024 is type 20; X2112 is type 21; X2113 is type 22; X2114 is type 23; X2115 is type 24; X2116 is type 25; X2117 is type 26; X2118 is type 35; X2119 is type 36; X2120 is type 37; X2121 is type 38; X2122 is type 39; described by the set lX21: 21 21 1 n X i i l X = = . X22 is dimensional parameters of the body: X221 is outer diameter of the wheel; X222 is the diameter of the landing hole; X223 is the diameter of the support end; X224 is the thickness of the base part of the body; X225 is the diameter of the undercut; X226 is the radius; X227 is the outer corner of the body cone; X228 is the wheel’s height; X229 is the height of the working part; X2210 is the width of the working part; X2211 is the working angle, represented as a set lX22: 22 22 1 n X i i l X = = . X23 is the body material: X231 is structural steel, X2311 is steel 3; X2312 is steel 20; X2313 is steel 25; X2314 is steel 30; X2315is steel 35; X2316 is steel 45; X2317 is steel U8A; X2318 is steel 0.9 C-Cr-V; X232 is aluminum alloys, X2321 is alloy AK6; X2322 is alloy D16, represented as a set lX23: 23 23 1 n X i i l X = = . X24 is wear-resistant coating and hardening: X241 is type of hardening; X242 is depth of hardening; X243 is coating material; X244 is coating thickness; Xnl X24 is other options; presented as a set lX24: 24 24 1 n X i i l X = = . The fastening of the abrasive part of the prefabricated grinding wheels (vertex X3) is described by the parameters forming the vertex of the graph lX3: X31 is the type of connection of the abrasive part to the body, X32 is adjusting screws, X33 is fixing screws. The fastening part is represented as a set of lX3: 3 3 1 . n X i i l X = = X31 is the type of connection of the abrasive part to the body: X311 is mechanical; X3111 is fastening with a radial screw; X3112 is fastening with an axial nut; X3113 is fastening with an axial bolt; X3114 is fastening with a radial nut; X312 is soldered; X3121 is solder PSr 40 (Ag); X3122 is solder PSr 50 (Ag); X313 is adhesive; X3131 is phenolic rubber adhesive (VK-32-20); X3132 is epoxy resin (ED-6); these connection methods are presented in the form of a set lX31: 31 31 1 . n X i i l X = = X32 is adjusting screws: X321 is the amount of screws; X322 is the thread parameters described by the set lX32: 32 32 1 . n X i i l X = = X33 is mounting screws: X331 is the number of screws; X332 is the thread parameters; Xnl X33 is the other components described by the set lX33: 33 33 1 n X i i l X = = .
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