A three-legged ejector sleeve is adopted in the die casting mould to take cast stripping mould, the problem that the cast difficultly demould is solved.
The first commercial deployment was a programmable industrial robot called the Unimate, sold to General Motors in 1960 to lift hot pieces of metal from a die casting machine and stack them.
管
件，
决
Unimate 
编程工业机器人，它于 1960 年
给了通用汽车公司，用于
机中取出热金属片并将它们堆叠起来。
