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西安不锈钢材料钻孔时的注意事项

日期:2024-05-29 19:26
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摘要:<span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">西安不锈钢材料钻孔时的注意事项</span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">钻削不锈钢材料时,经常发现钻头容易磨损、折断,孔表面粗糙,有时出现深沟而无法消除;孔径过大,孔形不圆或向一边倾斜等现象。因此,西安不锈钢加工提醒在操作时应注意下列事项:</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">1</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">、几何形状必须刃磨正确,两切削刃要保持对称。钻头后角过大,会产生</span><span style="font-family:'Times New Roman';"><span lang="EN-US">“</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">扎刀</span><span style="font-family:'Times New Roman';"><span lang="EN-US">”</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">现象,引起颤振,使钻出的孔呈多角形。应修磨横刃,以减小钻孔轴向力。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">2</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">、钻头必须装正,保持钻头锋利,用钝后应及时修磨。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">3</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">、合理选择钻头几何参数和钻削用量,按钻孔深度要求,应尽量缩短钻头长度、加大钻心厚度以增加刚性。使用高速钢钻头时,切削速度不可过高,以防烧坏刀刃。进给量不宜过大,以防钻头磨损加剧或使孔钻偏,在切入和切出时进给量应适当调小。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">4</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">、充分冷却润滑,切削液一般以硫化油为宜,流量不得少于</span><span style="font-family:'Times New Roman';"><span lang="EN-US">5</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">~</span><span style="font-family:'Times New Roman';"><span lang="EN-US">8L/min</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">,不可中途停止冷却,在直径较大时,应尽可能采用内冷却方式。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">5</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">、认真注意钻削过程,应及时观察切屑排出状况,若发现切屑杂乱卷绕立即退刀检查,以防止切屑堵塞。还应注意机床运转声音,发现异常应及时退刀,不能让钻头在钻削表面上停留,以防钻削表面硬化加剧。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></span></span> </p> <span style="font-family:宋体;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;">在西安不锈钢工件上钻孔常采用麻花钻,对淬硬不锈钢,可用硬质合金钻头,有条件时可用超硬高速钢或超细晶粒硬质合金钻头。钻孔时扭矩和轴向力大,切屑易粘结、不易折断且排屑困难,加工硬化加剧,钻头转角处易磨损,钻头刚性差易产生振动。因此要求钻头磨出分屑槽,修磨横刃以减小轴向力,修磨成双顶角以改善散热条件。</span></span> </p> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";"><span style="font-size:small;"> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">公司至成立以来,以</span><span style="font-family:'Times New Roman';"><span lang="EN-US">“</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">诚信、合作、双赢、发展</span><span style="font-family:'Times New Roman';"><span lang="EN-US">”</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">为经营宗旨,坚持</span><span style="font-family:'Times New Roman';"><span lang="EN-US">“</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">价格**、用户、信誉</span><span style="font-family:'Times New Roman';"><span lang="EN-US">”</span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">的营销理念,在市场上获得了良好的口碑。</span><span style="font-family:'Times New Roman';"><span lang="EN-US">    </span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";"></span><span style="font-family:'Times New Roman';"><span lang="EN-US"><br /> </span></span><span style="font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman";">详情参考:</span><span lang="EN-US"><a href="/"><span style="color:#0000ff;font-family:'Times New Roman';"> </span></a></span> </p> <p style="margin:0cm 0cm 0pt;"> <br /> </p> </span> <p style="margin:0cm 0cm 0pt;"> <br /> </p> </span> <p style="margin:0cm 0cm 0pt;"> <br /> </p> <span style="font-family:宋体;font-size:small;"> </span>

西安不锈钢材料钻孔时的注意事项

钻削不锈钢材料时,经常发现钻头容易磨损、折断,孔表面粗糙,有时出现深沟而无法消除;孔径过大,孔形不圆或向一边倾斜等现象。因此,西安不锈钢加工提醒在操作时应注意下列事项:

1、几何形状必须刃磨正确,两切削刃要保持对称。钻头后角过大,会产生扎刀现象,引起颤振,使钻出的孔呈多角形。应修磨横刃,以减小钻孔轴向力。

2、钻头必须装正,保持钻头锋利,用钝后应及时修磨。

3、合理选择钻头几何参数和钻削用量,按钻孔深度要求,应尽量缩短钻头长度、加大钻心厚度以增加刚性。使用高速钢钻头时,切削速度不可过高,以防烧坏刀刃。进给量不宜过大,以防钻头磨损加剧或使孔钻偏,在切入和切出时进给量应适当调小。

4、充分冷却润滑,切削液一般以硫化油为宜,流量不得少于58L/min,不可中途停止冷却,在直径较大时,应尽可能采用内冷却方式。

5、认真注意钻削过程,应及时观察切屑排出状况,若发现切屑杂乱卷绕立即退刀检查,以防止切屑堵塞。还应注意机床运转声音,发现异常应及时退刀,不能让钻头在钻削表面上停留,以防钻削表面硬化加剧。

在西安不锈钢工件上钻孔常采用麻花钻,对淬硬不锈钢,可用硬质合金钻头,有条件时可用超硬高速钢或超细晶粒硬质合金钻头。钻孔时扭矩和轴向力大,切屑易粘结、不易折断且排屑困难,加工硬化加剧,钻头转角处易磨损,钻头刚性差易产生振动。因此要求钻头磨出分屑槽,修磨横刃以减小轴向力,修磨成双顶角以改善散热条件。

公司至成立以来,以诚信、合作、双赢、发展为经营宗旨,坚持价格**、用户、信誉的营销理念,在市场上获得了良好的口碑。    
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