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模具高速加工需要重要的技巧

来源:http://www.jnhjgs.cn/news/46.html发布时间:2017-04-11

在一个经过优化的系统中,所有的操作元素,只要求比它们所能发挥的峰值能力低一点儿,没有一项需要超负荷发挥,这就是我们在高速加工中应该努力达到的目标。为了避免刀具在加工过程中的损坏,加工速度和进给率都应保持在刀具路径所能承受的峰值负荷之内。
In an optimized system, the operation of all the elements, as long as they can play for more than a little lower peak capacity, without a need to overload play, this is what we should strive to achieve the goal in high speed machining. In order to avoid the damage of the cutting tool, the machining speed and feed rate should be kept within the peak load of the tool path.

然而,在所有的非峰值负荷操作期间,速度和进给率应该以这样的方式设定:让刀具的速度低于其可能达到的极限速度。在整个切削过程中,我们希望刀具在其阈值的边缘范围内工作。也就是说,我们希望材料的切削保持恒定不变的状态或保持恒定的切屑负荷。如果切屑负荷不稳定,那么可能会发生以下两种情况:要么是该工艺损坏了刀具,要么是该工艺运行速度太慢。

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However, the speed and the feed rate should be set in such a way that all of the non peak load operations should be made in such a way that the speed of the cutting tool is less than the speed at which it is possible. In the whole cutting process, we hope that the cutting edge of the tool in the scope of its work. That is to say, we want the material to be kept in a constant state or to maintain a constant chip load. If the chip load is unstable, the following two conditions may occur: either the process is damaged, or the process is too slow.
在CAM编程过程中,优化粗加工的金属切削速度是最重要的一个步骤。根据刀具和材料的某一特定组合情况,加工工作台所推荐的切削深度和跨距是假定您在整个的刀具路径中采用同样的跨距进行粗加工切削的。然而,如果您的路径涉及到开槽移动,或无意中陷入到圆角之中,那么刀具可能会碰到比预期更多的材料。
In the process of CAM programming, the optimization of the cutting speed is the most important step. Depending on the specific combination of the tool and the material, the depth and span of the recommended depth of the working table is assumed to be the same as that of the entire tool path. However, if your path involves a slotted move, or inadvertently caught in the corner, then the tool may encounter more material than expected.
只有当需要切削的材料各个面都是开放式的时候,采用简单的偏置加工模式才是最理想的。如果需要加工的壁面与您准备进行粗加工的区域相邻,那么这一加工模式可能会造成刀具在整个材料上开槽。
It is best to use a simple bias machining mode only when all the materials needed to be cut are open. If the wall to be machined is adjacent to the area in which you are going to make a rough machining, the machining mode may cause the cutting tool to be grooved on the material.
更好的办法是选用零件随同偏置模式。这种加工模式是从零件的壁面开始的,逐渐向内加工,这样可避免开槽。即使这一刀具路径包括许多快速的切削运动,但由于这一模式允许增加跨距,整体的加工时间也可以随之减少。最好的办法是采用摆线加工模式,它可监控刀具的切削量,保持稳定的阈值。
A better way is to select parts with offset mode. This processing mode starts from the wall of the part, and gradually inward processing. Even though the tool path includes a lot of rapid cutting motion, the overall processing time can be reduced due to the increase of the span. The best way is to use the cycloid machining mode, which can monitor the cutting tool, maintain a stable threshold.
本文文章来源:济南模具更多的内容请进入:http://www.jnhjgs.cn我们的官方网站
This article source: Ji'nan mold more content please enter: http://www.jnhjgs.cn our official website

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