- 型号:VFL CMA 5000
- 数量:1
- 制造商: 厦门兴锐达自动化设备有限公司
- 有效期:2019/2/1 0:00:00
= 0.215 0.00304 = 0.218 Nm
X轴制动转矩:Tsx = (JLX Jm7)●a - TL
=0.441-0.035=0.406Nm
Y轴制动转矩:Tsy = (JLY Jm4)●a - TL
= 0.215 - 0.00304 = 0.212 Nm
通过以上的计算选用的是松下MHMD400w和MSMD750w的交流伺服电机,该型号输出惯量
适合,运行更平稳。X轴用的是750w的伺服系统,额定扭矩为2.4Nm;而Y轴用400w的伺
服系统,额定扭矩为1.3Nm;这两款的额定转速都为3000rps;所选伺服的惯量及扭矩都能使载体平稳的运行。
(3)盘式电机选型
由于在盘式伺服上要放的是一个铝制的圆盘,圆盘规格(R=150mm M=1kg 实心):
圆盘惯量J=1/2?M?(D/2)?=1/2?1?(150/2)?=0.0028125 kgm2
扭矩T=角加速度a?惯量J
圆盘转π/2需要的时间是4s,平均角速度V=π/2?4=0.3925rad/s
则:角加速度=角速度V/加速时间t=0.3925?0.01=39.25rad/s?
则:扭矩T=39.25?0.0028125=0.1104Nm
由于惯量要匹配,盘式伺服承受物体的惯量和盘式伺服自身的惯量的比例在1:10之内是最理 想的,所以所选的盘式伺服ND110-50F自身的惯量是0.00034 kgm2、额定扭矩是2.4Nm最大扭矩是7.2Nm、回转速度是5rps、分辨率是720000 ppr。该盘式伺服的定位精度是±90s,重复定位精度是±18s,外加绝对值选项定位精度可达±15s、重复定位精度±1.8s。360度=1296000s,圆盘周长 L=πR=3.14?150=471000um,则角度1s=0.363um弧长,所以当定位精度为15s时圆盘的弧长精度可达到5.445um。
1.1实现功能
1、原点复归
2、激光功率检测
3、芯片切割
1.2系统设计
兴锐达不吹牛!想要比同行低15个点!请贵宾来电!保证满意!
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