By Natali Moss
"Screws are components that convert the rotary motion from the engine to a linear motion, and therefore is the most important component of linear drives," - said in the research article Morgan Stanley. Planetary roller screws (PRS) offer significant advantages over traditional ball screws. They are capable of withstanding higher loads and wear expected from humanoid work.
This new generation component is already used in American works such as Tesla Optimus, as well as in Figure Ai, Agility, 1x, and most Chinese humanoid models. Currently, both ball and planetary roller screws are used for humanoids, in particular because of the high cost of planetary roller screws. However, experts believe that in the future planetary roller screws will be dominated in humanoids. The publication noted that China intends to benefit from this trend.
According to sectoral experts, today there is a significant base of small manufacturers in China, which gives the country an advantage in racing robots against the United States. Moreover, some Chinese giants have already planned target investments. Yes, Shanghai Beite Technology has recently announced an investment of $ 260 million in the construction of a planetary roller -proof production base.
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