The rack CHME-3 is produced according to the drawing Т328.37.31.03 and has the following characteristics:
-steel 45HN GOST4543-71,
-internal diameter – 769.60 mm,
– gear teeth amount – 76,
-weight – 218 kg.
Haivoron Diesel Locomotive Repair Plant produces rack wheels of diesel locomotives CHME-3, TEP70, TGM4 and rack wheels of electric locomotives VL40, VL60, VL8 made from high-quality stampings of alloy steels.
The rack wheels are installed on diesel locomotive CHME-3 during a repair, as well as during new formation of wheel pairs.
The rack wheel CHME-3 is subjected to hardening of the involute-tooth profile by HFC unit with the subsequent grinding.