很多做数控车床的朋友都知道很多企业为了节约加工成本大多都不是采用的成型刀头而是相对便宜实惠的焊接合金刀头，毕竟成型刀头比较昂贵，一般一颗刀头都要几十块，特别是加工像45#钢材质较软的材料，如果刀具的排屑槽磨的不好的话，铁末是乱七八糟的，这样不仅容易崩刀还容易使铁末刮伤工件影响产品品质，这样不仅加大了工人的劳动强度，而且还大大的降低了生产效率，对于这种情况一般一个工人只能应付一台数控车床，如果能把铁末一根线排出来的话铁末能自己断掉，这些问题将迎刃而解，排屑能否排好这主要取决于槽磨的形状，也需很多人都不知道该磨成什么形状才能将铁末排出，我说说我工作几年所掌握的磨刀技巧。

　　Many friends who work on CNC lathes know that many companies, in order to save processing costs, mostly do not use molded cutting heads but welding alloy cutting heads that are relatively cheap and affordable. After all, molded cutting heads are relatively expensive, usually costing tens of pieces per cutting head, especially for processing softer materials like 45 # steel. If the chip removal groove of the cutting tool is not well ground, the iron powder will be messy, which not only easily breaks the tool but also scratches the workpiece, affecting product quality. This not only increases the labor intensity of workers, but also greatly reduces production efficiency. In this case, a worker can only handle one CNC lathe. If the iron powder can be discharged from a single line, it can break by itself. These problems will be easily solved, and whether the chips can be properly removed depends mainly on the shape of the groove grinding, Many people also don't know what shape to grind the iron powder into in order to discharge it. Let me talk about the sharpening techniques I have mastered over the past few years of work.

　　磨刀的平面磨平可以刀刃略高于刃槽后的平面高度，不要太高不然影响排屑效果，这样的刀也比较快，开排屑槽时砂轮应用金刚笔把砂轮角打尖，槽的形状应该磨成斜槽，所谓斜槽就好比在纸上画的勾.√只不过这个勾是反着的也就是说靠刀刃到槽底的距离较长，槽底到槽背的距离较短，通俗点v形槽，左边那一画较斜长，右边那画较短，从刀平面看槽应该是前窄后宽，有点像|\这个形状，刀尖的地方窄，后面宽，这样有利于排屑，排屑排的好不好主要靠刀尖那点槽，比如平头刀搪孔刀都可以当然排屑的好坏和走刀和转速分不开一般较小的工件转速可以打快点走刀打快点成正比，切削下来的铁末厚度保持再0.2到0.6之间就差不多了(粗车)。

　　First of all, it is best to grind the surface of the knife flat, with the blade slightly higher than the height of the surface behind the blade groove. It should not be too high, otherwise it will affect the chip removal effect. This type of knife is also relatively fast. When opening the chip removal groove, the grinding wheel should be sharpened with a diamond pen, and the shape of the groove should be ground into a slanted groove. The so-called slanted groove is better than the hook drawn on paper. √ However, this hook is reversed, which means that the distance from the blade to the bottom of the groove is longer, and the distance from the bottom of the groove to the back of the groove is shorter. Simply put, it is a V-shaped groove. The left drawing is longer and the right drawing is shorter. From the blade plane, the groove should be narrow in the front and wide in the back, similar to the shape of | \. The tip of the blade is narrow and wide in the back, which is conducive to chip removal. The quality of chip removal mainly depends on the groove at the tip of the blade, such as a flat head blade and a hole drilling blade. Of course, the quality of chip removal is inseparable from the cutting speed and rotation speed. Generally, smaller workpiece rotation speed can be faster, and the cutting speed is proportional to the thickness of the iron powder obtained during cutting, which should be kept between 0.2 and 0.6. Almost done (rough car).

　　说了排屑槽磨制的方法再说说刀的赖用性，一般磨刀是先磨平面再开槽再磨刀尖夹角那个面再磨刃面，建议磨刀的那个切削的刃面与平面保持15度的夹角就差不多了，不要太斜这样容易掉刀尖或者崩刀工件小也许没事但是工件大了就不行了，因为硬质合金刀头比较脆太硬了韧性差，赖磨损，机床刚性好的话还能多用几下差就不行，所以那个夹角不要磨的太大以此来增加刀具的抗震动能力减少崩刀，检验刀是否快，工件小的话可以不加水做，排出来的铁末是金黄色的话刀非常快，若是深蓝色较快，若是浅蓝色有点钝，灰白色很钝了，灰宗色非常钝了还磨刀了，加水做刀快一般是银白色的开始变黄色就很钝了蓝色就非常钝了该磨刀了，一般这样的信号就代表你要磨刀了不要用到刀暴了才磨刀，一般刀钝了稍微修一下就可以用等暴刀后就晚了焊刀磨刀开槽很废时间的，这里值指的是加工45号钢等较软的材料所谓熟铁，一般选用牌号为yt15的合金刀头，加工不锈钢应用ytw2的，生铁较脆的应用yg系列或ys8的个人见解做数控车床编程并不难，难的是你图纸上有的东西是要算的算不出来就没法编，比如r在工件之外，非4分之1R衔接直线衔接R.螺纹，变螺距等等所以编程中算法很重要，磨刀等非理论的东西也是这样的，全靠实践了，对于磨刀我现在基本可以做到让铁末从某一个方向出来，数控并不难学，用心就行，要相信这比高中数学简单多了。

　　After discussing the method of grinding the chip groove, let's talk about the reliability of the knife. Generally, when sharpening a knife, the flat surface is first ground, then the groove is made, and the angle between the cutting edge and the flat surface is sharpened, and then the cutting edge is sharpened. It is recommended to maintain a 15 degree angle between the cutting edge and the flat surface when sharpening the knife. If the workpiece is small, it may not fall off easily, but if the workpiece is large, it will not work because the hard alloy cutting edge is brittle and hard, and the toughness is poor. If the rigidity of the machine tool is good, it can still be used a few more times, but it will not work. Therefore, the angle should not be sharpened too much to increase the seismic kinetic energy of the tool and reduce the risk of breakage. Check whether the knife is fast. If the workpiece is small, it can be made without adding water, and the If it's golden, the knife is very fast. If it's dark blue, it's faster. If it's light blue, it's a bit dull. If it's gray white, it's very dull. If it's gray brown, it's very dull and even sharpened, Adding water to make a knife is usually fast. If it turns silver white and becomes yellow, it becomes dull. If it turns blue, it becomes dull. It is time to sharpen the knife. This signal indicates that you need to sharpen the knife. Do not use the knife to sharpen it until it is too rough. Generally, if the knife is dull, you can use it for a slight repair. After the knife is too rough, it will be too late to use the welding knife. Sharpening the groove is time-consuming. Here, the value refers to processing softer materials such as 45 # steel, such as wrought iron. Generally, alloy cutting heads with the brand name yt15 are used. For processing stainless steel, ytw2 should be used. For processing brittle pig iron, yg series or ys8 should be used. My personal opinion is that programming a CNC lathe is not difficult. The difficulty is that some things on your drawings cannot be calculated, so it is impossible to For example, when r is outside the workpiece, it is not connected by a quarter of 1R straight line. R thread, variable pitch, and so on, so algorithms are very important in programming. The same applies to non theoretical things such as sharpening, which all rely on practice, I can basically make the iron powder come out from a certain direction when it comes to sharpening the knife now. CNC is not difficult to learn, as long as you put in the effort. I believe this is much simpler than high school mathematics.

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