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Overview ISO 14635-2:2023 defines the FZG step load test A10/16, 6R/120 for evaluating the relative scuffing load‑carrying capacity of high EP oils. The method uses an FZG four‑square (recirculating…
1 Scope This part of ISO 14635 specifies a test method based on an FZG 1) four-square test machine to determine the relative load-carrying capacity of high EP oils defined by the gear surface damage…