The rack TEP70 is produced according to the drawing ТЕП22.214.171.124 and has the following characteristics:
-steel 45HN GOST4543-71,
-outer diameter – 800 mm,
-gear teeth amount – 78,
-weight – 128 kg.
Haivoron Diesel Locomotive Repair Plant produces rack wheels of diesel locomotives TEP70, TGM4, CHME-3 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 TEP70 during a repair, as well as during new formation of wheel pairs.
The rack wheel TEP70 is subjected to hardening of the involute-tooth profile by HFC unit with the subsequent grinding.