Ball lead screw pair based on heat deformation active compensation of aramid fiber
The invention discloses a ball lead screw pair based on heat deformation active compensation of aramid fiber. A section where an outer thread is not machined is reserved at the end, close to a motor, of a ball lead screw shaft, the aramid fiber is bonded and arranged on a polished shaft of the secti...
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| creator | QIN ZEYUN WANG MIN GAO XIANGSHENG |
| description | The invention discloses a ball lead screw pair based on heat deformation active compensation of aramid fiber. A section where an outer thread is not machined is reserved at the end, close to a motor, of a ball lead screw shaft, the aramid fiber is bonded and arranged on a polished shaft of the section, and the length direction of the aramid fiber is consistent with the axial direction of the lead screw shaft. Then, the surface of the aramid fiber is covered with an electric heat film in a winding manner, an electric brush is designed for supplying power to the electric heat film, and it is guaranteed that a wire is not twisted in the lead screw rotation process. Due to the fact that the aramid fiber has the negative heat expansion coefficient in the length direction, shrinkage can be achieved through heating, and the heat error is offset. Under the actual work condition, after the lead screw shaft reaches the heat balance, axial deformation of each axial position is fixed. Through establishing of an axial def |
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A section where an outer thread is not machined is reserved at the end, close to a motor, of a ball lead screw shaft, the aramid fiber is bonded and arranged on a polished shaft of the section, and the length direction of the aramid fiber is consistent with the axial direction of the lead screw shaft. Then, the surface of the aramid fiber is covered with an electric heat film in a winding manner, an electric brush is designed for supplying power to the electric heat film, and it is guaranteed that a wire is not twisted in the lead screw rotation process. Due to the fact that the aramid fiber has the negative heat expansion coefficient in the length direction, shrinkage can be achieved through heating, and the heat error is offset. Under the actual work condition, after the lead screw shaft reaches the heat balance, axial deformation of each axial position is fixed. 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| subjects | COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING |
| title | Ball lead screw pair based on heat deformation active compensation of aramid fiber |
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