Iron Steel AAR Rail Forging And Machining Axle 7 grade teeth gear
Nov 03, 2022
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Kelly@kirail.com Whatsapp/mobile:008615215554137
For this gear, teeth grade is 7, 42CrMo as casting material, the production process is difficult to design, the processing is expensive, first rolling and then grinding teeth,it is large and heavy 160KG, the most difficult is the high precision of grade 7, and the corresponding gear grinding machine is rare to achive
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