切削式尖头机设计+CAD图纸
关键词： 冷拉;切削式尖头机；轧制
Cutting-pointed machine
Abstract:Pointed machine is a device in the front of the production line of the drawing machine. The drawing machine to the wire or rod through a drawing die after the reduced diameter of the production process, after the drawing after the wire or rod strength increased, the surface roughness decreases the value of the improved quality. To the workpiece smoothly by drawing mode, you must workpiece head reducing the workpiece head start in order to clamp clamped workpiece drawing drawing mode. Reducing method may be by a rolling method can also be reduced diameter by a cutting method. This paper mainly discusses cutting-pointed design, rack design, cutting part of the design calculations, design calculations, cutting mobile gear design calculations, motor capacity selection.
Keyword:Cold Drawn; Cutting-pointed；Rolling
目 录
1课题介绍 1
1.1 课题目标 1
1.2 选题背景 1
1.3 课题研究的意义 1
2国内外发展现状 1
2.1 国外的发展情况 1
2.2 国内的发展情况 2
3课题研究内容及方案拟定 2
3.1 课题研究内容 2
3.2 方案拟定 2
3.2.1 直线式切削 2
3.2.2 单刃旋转式切削 3
3.2.3 多刃旋转式切削 3
3.3 方案比较 4
4确定方案 5
4.1 圆柱铣刀 5
4.1.1 铣削用量四要素 5
4.1.2铣削分力 7
4.1.3切削力经验公式 8
4.2 拉刀 9
4.2.1 拉削加工特点 9
4.2.2 拉刀切削部分几何参数 9
4.2.3 拉削力计算公式 10
4.3 比较方案 11
5选择电动机型号 11
5.1 确定工作机有效功率 11
5.2 各零件传动效率 11
5.3 电动机输出功率 12
5.4 确定工作机转速 12
5.5 计算传动比 12
5.5.1 理论总传动比 13
5.5.2 传动比分配 13
5.6 选择电动机 13
6确定各轴转速、转矩及功率 13
6.1 转速n 13
6.2 各轴输入功率 14
6.3 各轴转矩 14
6.4 数据汇总 14
7轴Ⅰ轴Ⅱ齿轮设计计算 15
7.1 选择齿轮材料、热处理方法、精度等级、齿数Z1、Z2及齿宽系数ψd 15
7.2 按齿面接触疲劳强度设计 15
7.2.1 确定公式中各参数 15
7.2.2 设计计算 16
7.2.3 计算齿轮传动的几何尺寸 17
7.3 校核齿根弯曲疲劳强度 18
7.3.1 确定公式中各参数值 18
7.3.2 校核计算 19