U型磁铁直线电机

直线电机导轨

U型磁铁直线电机
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  U型磁铁直线电机
  U型磁铁直线电机
  U型磁铁直线电机
  U型磁铁直线电机
Description

U形直线电机

A linear motor is an electric motor that has had its stator and rotor "unrolled" so that instead of producing a torque(rotation) it produces a linear force along its length. 线性马达是一种电动机,其定子和转子“展开”,因此它不会产生扭矩(旋转),而是沿其长度产生线性力。 However, linear motors are not necessarily straight. 然而,线性马达不一定是直的。 Characteristically, a linear motor's active section has ends, whereas more conventional motors are arranged as a continuous loop. 特征在于,线性电动机的有源部分具有端部,而更传统的电动机被布置为连续的环路。
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U通道同步直线电机的自由体图。 U形通道直线电动机具有两个彼此面对的平行磁铁轨道,板之间具有压头。 压力机通过轴承系统支撑在磁轨中。 推进器是无铁的,这意味着没有吸引力,并且在压头和磁轨之间没有产生干扰力。 无铁圈线圈组件质量轻,允许非常高的加速度。

通常,线圈绕组是三相的,具有无刷换向。 通过为电机添加空气冷却可以实现更高的性能,甚至还有水冷版本。 这种设计更适合减少漏磁,因为磁铁彼此相对,容纳在U形通道中。 该设计还可以最大限度地降低强大的磁吸引力造成伤害的风险。

磁道设计允许它们组合以增加行程长度,操作长度的唯一限制是电缆管理系统的长度; 编码器长度可用; 以及加工大型扁平结构的能力。

1. Materials 1.材料

Magnet: Neodymium Magnet 磁铁:钕磁铁
Hardware part: 20# steel, martensitic stainless steel 五金件:20#钢,马氏体不锈钢


2. Application 2.申请

"U-channel" and "flat" brushless linear servomotors have proven ideal for robots, actuators, tables/stages, fiberoptics/photonics alignment and positioning, assembly, machine tools, semiconductor equipment, electronic manufacturing, vision systems, and in many other industrial automation applications. “U型通道”和“扁平式”无刷直线伺服电机已被证明是机器人,执行器,工作台/平台,光纤/光子学校准和定位,装配,机床,半导体设备,电子制造,视觉系统以及许多其他工业领域的理想选择。自动化应用。

Why choose Linear Motor? 为何选择直线电机?

1. Dynamic performance 1.动态表现
Linear motion applications have a wide range of dynamic performance requirements. 线性运动应用具有广泛的动态性能要求。 Depending on the specifics of a system's duty cycle, the peak force and maximum speed will drive the selection of a motor: 根据系统占空比的具体情况,峰值力和最大速度将驱动电机的选择:
An application with a light payload that requires very high speed and acceleration will typically utilize an ironless linear motor (that has a very light moving part containing no iron). 具有需要非常高的速度和加速度的轻载荷的应用通常将使用无铁芯线性马达(其具有非常轻的移动部件,不包含铁)。 As they have no attraction force, ironless motors are preferred with air bearings, when the speed stability has to be below 0.1%. 由于它们没有吸引力,因此当速度稳定性必须低于0.1%时,无空气电机优选使用空气轴承。
2. Wide force-speed range 2.宽力 - 速度范围
Direct drive linear motion deliver high force over a wide range of speeds, from a stalled or low speed condition to high velocities. 直接驱动线性运动可在很宽的速度范围内提供高力,从失速或低速状态到高速。 Linear motion can achieve very high velocities (up to 15 m/s) with a trade off in force for ironcore motors, as technology becomes limited by eddy current losses. 由于技术受到涡流损耗的限制,线性运动可以实现非常高的速度(高达15 m / s),并且铁芯电机具有折衷。
Linear motors achieve very smooth velocity regulation, with low ripple. 直线电机实现非常平稳的速度调节,具有低纹波。 The performance of a linear motor over its velocity range can be seen in the force-speed curve present in the correponding data sheet. 线性电机在其速度范围内的性能可以在相应数据表中的力 - 速度曲线中看到。
3. Easy integration 3.易于集成
Magnet linear motion are available in a wide range of sizes and can be easily adapted to most applications. 磁力线性运动有多种尺寸可供选择,可轻松适应大多数应用。
4. Reduced cost of ownership 4.降低拥有成本
Direct coupling of the payload to the motor's moving part eliminates the need for mechanical transmission elements such as leadscrews, timing belts, rack and pinion, and worm gear drives. 有效负载直接耦合到电机的运动部件,无需机械传动元件,如导螺杆,同步带,齿轮齿条和蜗轮传动装置。 Unlike brushed motors, there is no contact between the moving parts in a direct drive system. 与有刷电机不同,直接驱动系统中的运动部件之间没有接触。 Therefore there is no mechanical wear resulting in excellent reliability and long lifetime. 因此,没有机械磨损导致优异的可靠性和长寿命。 Fewer mechanical parts minimize maintenance and reduce the system cost. 更少的机械部件最大限度地减少维护并降低系统成本。
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