Thermally Responsive Gripper
Thermally Responsive Gripper - Related Videos
07:49
Rod-based Fabrication of Customizable Soft Robotic Pneumatic Gripper Devices for Delicate Tissue Manipulation
0 Views •
Cited by 10 •
2016
This protocol describes a rod-based approach, combining 3D-printing and soft lithography techniques for fabricating the soft gripper devices. This approach eliminates the need for an external air source by incorporating a chamber component and reduces the chance of occlusion during the sealing process, particularly for miniaturized pneumatic channels.
01:18
Thermally Responsive Biopolymer-Based Inhibition of Tumor Progression in a Rat Model
0 Views •
2025
Begin with an anesthetized rat bearing a brain tumor composed of proliferating tumor cells.Expose the rat’s skull and create a hole to reveal the brain region with the tumor.Take a thermally responsive biopolymer fused with a cell-penetrating peptide and an inhibitor of c-myc, an oncogenic protein.Inject the biopolymer into the femoral vein of the hind limb for delivery to the brain.Apply infrared light through the skull hole to heat the tumor site, which induces biopolymer aggregation along...
02:25
Synergistic Effect of Intracranial and Intraperitoneal Delivery of Analgesic Drugs on Thermal Pain Response in a Rat
0 Views •
2025
Source: Martinez, E., et al. Intracranial Pharmacotherapy and Pain Assays in Rodents. J. Vis. Exp. (2019).This video demonstrates the intracranial administration of an analgesic drug in an anesthetized rat with a pre-implanted guide cannula in the prefrontal cortex. An additional analgesic drug is co-administered intraperitoneally. Following recovery, the rat’s thermal pain response is assessed using Hargreave’s apparatus, where paw withdrawal latency is measured to evaluate the analgesic...
09:42
Analysis of Thermal Expansion via Dilatometry
0 Views •
2023
Source: J. Jacob Chavez, Ryan T. Davis, and Taylor D. Sparks, Department of Materials Science and Engineering, The University of Utah, Salt Lake City, UT Thermal expansion is extremely important when considering which materials will be used in systems that experience fluctuations in temperature. A high or low thermal expansion in a material may or may not be desirable, depending on the application. For instance, in a common liquid thermometer, a material with a high thermal expansion would be...
10:32
Thermal Diffusivity and the Laser Flash Method
0 Views •
2023
Source: Elise S.D. Buki, Danielle N. Beatty, and Taylor D. Sparks, Department of Materials Science and Engineering, The University of Utah, Salt Lake City, UT The laser flash method (LFA) is a technique used to measure thermal diffusivity, a material specific property. Thermal diffusivity (α) is the ratio of how much heat is conducted relative to how much heat is stored in a material. It is related to thermal conductivity (), how much heat is transferred through a material due to a temperature...
FAQs
Material selection determines how the gripping elements respond to heating and cooling. A suitable temperature-sensitive material may expand, contract, soften, stiffen, or undergo a phase transition, depending on the intended motion and force. Engineers therefore consider the required gripping force, thermal response time, operating temperature range, and whether the design must handle delicate or temperature-sensitive components.
Temperature changes regulate both movement and mechanical behavior in the gripping elements. Heating or cooling can alter their shape while also changing whether the material is softer or stiffer, which affects how firmly an object is held. Precise temperature control helps coordinate gripping and release, limiting unintended motion and improving repeatability during object handling.
Instead of relying on conventional motors or complex mechanisms, thermal actuation uses a material response to produce controlled movement. This can support compact designs and low-power operation, although performance remains closely tied to thermal response time and temperature control. The distinction is especially relevant where reduced mechanical complexity or limited device size matters.
Operation begins by applying controlled heating or cooling to change the material state or dimensions of the gripping elements. The resulting movement brings the elements into contact with an object and generates the required holding force. Reversing the temperature change produces the release action. The sequence must account for response time and the desired gripping force.
These devices are suited to automation, soft robotics, microassembly, and handling delicate or temperature-sensitive components. Their compact form and low-power actuation can be valuable where conventional motorized mechanisms would add size or complexity. Application decisions still require matching the material response, gripping force, and thermal conditions to the object and handling task.
Engineers should evaluate how quickly the gripper responds to temperature changes, how much force it produces, and how accurately temperature can be controlled. They should also assess whether the gripping action remains appropriate for delicate components and whether reversing the thermal input releases the object reliably. These measures connect material choice and thermal design to practical handling performance.