INTEGRATED ONLINE MEASUREMENT SYSTEM FOR THERMOPHYSICAL PROPERTY PARAMETERS OF NANOFLUID CUTTING FLUID

    公开(公告)号:US20200072774A1

    公开(公告)日:2020-03-05

    申请号:US16672540

    申请日:2019-11-04

    Abstract: The present invention discloses an integrated online measurement system for thermophysical property parameters of nanofluid cutting fluid, consisting of a gas path system, a fluid path system, a nanofluid thermal conductivity measurement device, a measurement device for a convective heat transfer coefficient and a nanofluid/workpiece heat partition ratio of the nanofluid cutting fluid, and a grinding force and grinding temperature measurement device or a milling force and milling temperature measurement device; the nanofluid thermal conductivity measurement device is located in the fluid path system; the gas path system provides pressure for the nanofluid in the fluid path system, two nozzles lead out from the fluid path system, and the nanofluid gas spray ejected by the nozzle I is sprayed onto the surface of a workpiece I to form the measurement device for the nanofluid convective heat transfer coefficient and the nanofluid/workpiece heat partition ratio; and the nanofluid gas spray ejected by the nozzle II is sprayed onto the surface of a workpiece II to form the grinding force and grinding temperature measurement device.

    POSITIONING SYSTEM WITH ADJUSTABLE CLAMPING FORCE AND MILLING EQUIPMENT FOR RAIL TRANSIT HONEYCOMB WORKPIECE

    公开(公告)号:US20220379418A1

    公开(公告)日:2022-12-01

    申请号:US17549439

    申请日:2021-12-13

    Abstract: Positioning system with an adjustable clamping force and milling equipment for a rail transit honeycomb workpiece. The positioning system includes a positioning apparatus, including a positioning table to support a workpiece, and a clamping apparatus, including a turntable, which is fixedly disposed on a periphery of the positioning table, a top of the turntable is connected to a mechanical arm, a pressure plate is disposed at an end of the mechanical arm, the pressure plate being capable of cooperating with the positioning table to clamp the workpiece, working regions of all the clamping apparatuses being capable of covering a machining surface of the workpiece, when machining is performed in an intersection region, a clamping apparatus corresponding to the region clamps the workpiece, and when machining is performed in a non-intersection region, a clamping apparatus corresponding to the region dodges, and an adjacent clamping apparatus clamps the workpiece.
    The present invention discloses a positioning system with an adjustable clamping force and a milling equipment for a rail transit honeycomb workpiece. The positioning system includes: a positioning apparatus, including a positioning table to support a workpiece; and a clamping apparatus, including a turntable, where the turntable is fixedly disposed on a periphery of the positioning table, a top of the turntable is connected to a mechanical arm, a pressure plate is disposed at an end of the mechanical arm, and the pressure plate is capable of cooperating with the positioning table to clamp the workpiece, where there are a plurality of clamping apparatuses, working regions of adjacent clamping apparatuses have an intersection, and working regions of all the clamping apparatuses are capable of covering a machining surface of the workpiece; and when machining is performed in an intersection region, a clamping apparatus corresponding to the region clamps the workpiece, and when machining is performed in a non-intersection region, a clamping apparatus corresponding to the region dodges, and an adjacent clamping apparatus clamps the workpiece.

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