A team of researchers from Switzerland has recently produced a flexible, rubber-like electronic circuit that stretches to four times the original length in any direction. At the same time, this material also has an extremely high degree of durability. Repeated stretching operations of 4 million times do not destroy or lose electrical conductivity. These features make it ideal for making biosensors and artificial skin, as well as for repairing electronic devices.
This mixed material is made of liquid metal and solid metal alloy. The team first used a high molecular weight silicone compound called polydimethylsiloxane (PDMS) to make a thin film and then formed a double-layered metal structure by evaporating gallium into a sputtering gold film to a thickness of only 60 nanometers . The solid part of the alloy is ruptured when stretched, but liquid gallium (29.8 ° C) rapidly fills the cracks. Best of all, this material can be printed on any surface like normal electronic circuitry.
With no need to print circuits on the board, the development team envisioned a variety of applications. "We could integrate it in traditional electronics to create a stretchable and power-carrying composition and use it on flexible robots and smart clothing ... We can also use it to make actuators to provide tactile Feedback, "team member Arthur Hirsch said. In other words, the electronic device can finally adapt to our soft body or help researchers create lifelike robots.
1 bed: casting structure, after two aging treatment, eliminate the internal stress;
2 workpiece feeding mode: imported servo motor + elastic coupling + ball screw drive;
Table motion mode: imported servo motor + elastic coupling + ball screw drive;
3 dresser: arc dresser, driven by hydraulic cylinder;
4 workpiece speed regulation mode: ac frequency conversion speed regulation;
Feeding and unloading mechanism: single arm type;
5.Workpiece spindle: sleeve spindle, grinding wheel spindle: oil mist lubrication spindle);
6. spindle frequency conversion: 25KVA converter;
7. ball screw lubrication: centralized lubrication;
8.Electrical system: mitsubishi PC, touch screen;
9. the machine tool has the self-diagnosis function, can promptly eliminate the fault;
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