OIL COMPOSITION FOR HEAT TREATMENT OF A GEAR AND GEAR TREATED BY USING THE OIL COMPOSITION
申请人:Idemitsu Kosan Co., Ltd.
公开号:US20030096714A1
公开(公告)日:2003-05-22
An oil composition for heat treatment of a gear which comprises mineral oil having a kinematic viscosity of 5 to 40 mm
2
/second at 100° C. as a base oil and, based on a total amount of the composition, 0.01 to 5% by weight of (a) a phosphoric acid ester compound and, where necessary, 0.5 to 10% by weight of (b) one compound selected from alkenylsuccinimide compounds, alkylsuccinimide compounds and addition products of boron with alkenylsuccinimide compounds or alkylsuccinimide compounds and 0.5 to 10% by weight of (c) at least one compound selected from salicylates, phenates and sulfonates of alkaline earth metals.
A coating film is formed on the surface of a gear simultaneously with hardening of the gear and the gear can be provided with resistance to pitching.
一种用于齿轮热处理的油组合物,由运动粘度为 5 至 40 毫米的矿物油组成。
2
/秒的矿物油作为基础油,以及以组合物总量为基准,按重量计 0.01 至 5%的(a) 磷酸酯化合物,必要时按重量计 0.5-10%(重量)的(b)选自烯基琥珀酰亚胺化合物、烷基琥珀酰亚胺化合物和硼与烯基琥珀酰亚胺化合物或烷基琥珀酰亚胺化合物的加成产物的一种化合物,以及 0.5-10%(重量)的(c)选自水杨酸盐、苯酸盐和碱土金属磺酸盐的至少一种化合物。
在齿轮硬化的同时,在齿轮表面形成一层涂膜,可使齿轮具有抗俯仰性。