Gear ring ER2 is manufactured according to drawing С386.00.06 and has the following characteristics:
-stainless steel 45HN GOST 4543-71,
-outer diameter – 776.95 mm,
-teeth amount – 68,
-weight – 250 kg.
“Haivoron Diesel Locomotive Repair Plant” PJSC produces gear rings of electric trains ER2, ER9P with high-quality stampings of alloy steels.
Gear rings are mounted on electric train ER2 during repair, as well as with the new formation of wheel pairs.
Gear ring ER2 is subjected to hardening of the involute-tooth profile by the HFC unit with the subsequent grinding.