3) Hardened gear
硬齿面齿轮
1.
Based on fracture mechanics theory and virtual fatigue prediction method, the machining process for 42CrMo-hardened gears is simulated by dynamics software ADAMS.
根据断裂力学理论和虚拟疲劳预测方法,利用系统动力学软件ADAMS模拟42CrMo硬齿面齿轮加工过程,分析了对应的疲劳载荷谱,得到了齿轮应力寿命S-N曲线。
2.
The free hobbing-shaving mechanism for hardened gear was investigated.
研究了硬齿面齿轮的自由滚剃机理,改进了滚剃刀的基本结构,并分析了自由滚剃的加工原理和切削速度。
4) hobbing for hard too th-surface
硬齿面滚齿
5) hardened gears
硬齿面齿轮
1.
Study on Technology and Furnishment of Ausform Finishing for Hardened Gears;
硬齿面齿轮热滚挤技术工艺与装备研究
2.
Pre-grinding gear hobs are widely used as the rough machining cutters for hardened gears with high precision, for they can leave undercut at the root of the gears’teeth.
由于磨前齿轮滚刀能够使得被加工齿轮轮齿根部产生一定量根切,所以被广泛用作高精度硬齿面齿轮的粗加工刀具。
6) hardened gears
硬齿面
1.
Ausform finishing process for hardened gears and study on gear tooth deformation theory;
硬齿面齿轮精密热滚挤工艺及轮齿变形的研究
补充资料：点面副沙鳅
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| 俗名: | 点面副沙鳅 |
| 产地及产期: 分布于长江、闽江、珠江等水系。 | |
| 介绍: 体细长。头较长，其长远大于体高。尾柄亦细长。吻尖，吻长大于眼后头长。眼下刺分叉。须3对。颏部无纽状突。体鳞极细，颊部具鳞。侧线完全。尾鳍深叉，下叶长。头部布有不规则黑斑，体侧横纹13-15，尾其中央具黑斑。 小型底层鱼类，栖息于江河砂石底的浅水处。常见体长100-200mm。 |
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