The invention discloses a one-time forming internal thread milling processing method, which is used for processing internal thread with a multi axis CNC machine tool. The one-time forming internal thread milling processing method includes: installing a turntable on the CNC machine tool; Installing an angle head on the spindle of the numerical control machine tool, adjusting the axis of the angle head to form a preset swing angle with the axis of the spindle according to the type of the internal thread, and locking the angle head; Clamping the workpiece to be processed and making the axis of the bottom hole on the workpiece to be processed coincide with the axis of the turntable; Installing a thread milling cutter on the angle head; Controlling the turntable to rotate uniformly and starting the spindle; Controlling the thread milling cutter to process the internal thread on the bottom hole according to the preset feed speed and the preset feed path. The one-time forming internal thread milling processing method provided by the embodiment of the invention can realize one-time forming, improve the processing accuracy and thread surface finish of the internal thread, reduce the processing cost of the internal thread, and has obvious economic benefits. The economic benefit is obvious< br/>
【技术实现步骤摘要】
一种一次成型内螺纹铣削加工方法
[0001]本专利技术涉及数控加工
,尤其涉及一种一次成型内螺纹铣削加工方法。
技术介绍
[0002]传统的螺纹加工方式有:车削、攻丝等。但这些加工方式均存在螺纹加工精度不高,螺纹表面光洁度差的缺点。另外,车削加工还存在不易断屑,切屑易缠绕刀具,或留于螺纹孔内的问题,而这都会使螺纹孔的加工质量大打折扣,同时也加剧了刀具的磨损,尤其是车削加工不适用于非对称类零件和大型零件的加工。而攻丝加工还存在丝锥易断裂、加工效率低、切削力大等缺点,且不适用于加工难加工材料。目前针对螺纹牙型角平分线垂直于锥体母线型圆锥螺纹的加工仍以车削为主。
技术实现思路
[0003]本专利技术的实施例提供一种一次成型内螺纹铣削加工方法,以提高内螺纹的加工质量,降低加工成本。
[0004]具体地,本专利技术提供一种一次成型内螺纹铣削加工方法,用于数控机床加工内螺纹,所述内螺纹铣削加工方法包括:在所述数控机床上安装转台;在所述数控机床的主轴上安装角度头,根据所述内螺纹的类型调整所述角度头的轴线与所述主轴的轴线成预设摆动角并锁定所述角度头,其中,当所述内螺纹的类型为牙型角平分线垂直于锥体母线的圆锥内螺纹时所述预设摆动角θ与所述内螺纹的锥度半角相等,当所述内螺纹的类型为牙型角平分线垂直于螺纹轴线的圆锥内螺纹或者为圆柱内螺纹时,所述预设摆动角θ为零;装夹待加工工件并使得位于所述待加工工件上的底孔的轴线与所述转台的轴线重合;在所述角度头上安装螺纹铣刀;控制所述转台匀速转动,并启动主轴;控制所述螺纹铣 ...
【技术保护点】
【技术特征摘要】
1.一种一次成型内螺纹铣削加工方法,用于数控机床加工内螺纹,其特征在于,所述一次成型内螺纹铣削加工方法包括:在所述数控机床上安装转台;在所述数控机床的主轴上安装角度头,根据所述内螺纹的类型调整所述角度头的轴线与所述主轴的轴线成预设摆动角并锁定所述角度头,其中,当所述内螺纹的类型为牙型角平分线垂直于锥体母线的圆锥内螺纹时所述预设摆动角θ与所述内螺纹的锥度半角相等,当所述内螺纹的类型为牙型角平分线垂直于螺纹轴线的圆锥内螺纹或者为圆柱内螺纹时,所述预设摆动角θ为零;装夹待加工工件并使得位于所述待加工工件上的底孔的轴线与所述转台的轴线重合;在所述角度头上安装螺纹铣...
【专利技术属性】
技术研发人员:孙选增,
申请(专利权)人:青岛奥司登精密铸造有限公司,
类型:发明
国别省市:
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