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4results about How to "Increased precision" patented technology

Standardized near-infrared laser high-precision scanning and cutting lithography lens

The invention discloses a standardized near-infrared laser high-precision scanning cutting lithography objective lens, a first lens with negative optical power, whose object side and image side are both concave; a second lens with negative optical power, whose object side and image side are both concave; a third lens with positive optical power, whose object side is a plane, and whose image side is a convex; a fourth lens with positive optical power, whose object side is a plane, and whose image side is a convex; a fifth lens with positive optical power, whose object side is a convex, and whose image side is a plane; a sixth lens with positive optical power, whose object side is a convex, and whose image side is a plane; a seventh lens with negative optical power, whose object side and image side are both concave; an eighth lens with negative optical power, whose object side is a concave, and whose image side is a plane; a ninth lens with positive optical power, whose object side is a convex, and whose image side is a plane. It has good laser convergence effect, stronger versatility, and better cost performance.
Owner:WENZHOU INST UNIV OF CHINESE ACAD OF SCI

Power tool turret cooling structure

The utility model discloses a power tool turret cooling structure which comprises an air inlet pipe and an oil inlet pipe which penetrate through a tool turret body, and the air inlet pipe and the oil inlet pipe penetrate through the tool turret body and then extend into a bevel gear transmission cavity. A waste gas exhaust pipe is arranged in the middle of the bevel gear transmission cavity, and the gas inlet pipe and the oil inlet pipe are arranged on the two sides of the waste gas exhaust pipe in the bevel gear transmission cavity respectively. The waste gas exhaust pipe abuts against a cavity of the coupler in the tool turret body, an external waste gas exhaust pipe penetrates through the cavity of the coupler and extends out of a shell of the tool turret body, and the waste gas exhaust pipe in the tool turret body is communicated with the external waste gas exhaust pipe. The air inlet pipe is communicated with an external air inlet pipe on the shell of the tool turret body, and the oil inlet pipe is communicated with an external oil inlet pipe on the shell of the tool turret body. The external air inlet pipe is connected with an air blowing pipe on a machine tool, and the inlet end of the external air inlet pipe is connected with an oil inlet pump. The utility model has strong practicability.
Owner:DEYING MACHINERY TECHNOLOGY (SICHUAN) CO LTD

Pressure and temperature regulation system and control method

The present invention discloses a pressure and temperature regulation system and control method. The present invention includes a medium pipeline, an inlet at the input end of the medium pipeline, a discharge port at the output end, a cooling mixing chamber, a buffer, and a muffler arranged on the medium pipeline in sequence, and a test piece arranged between the buffer and the muffler; the cooling mixing chamber is connected to a cooling water input pipeline system; it also includes a multi-position monitoring system for monitoring the flow, pressure, and temperature signals in the medium pipeline; a controller for adjusting the flow control valve, the temperature control valve, multiple pressure control valves, and multiple back pressure control valves according to the flow, pressure, and temperature signals in the medium pipeline. The system of the present invention increases the adjustment range of pressure and temperature, automatically and intelligently adjusts when the system is running with variable parameters, and automatically controls the process parameters and makes precise adjustments based on multi-contact information feedback without human intervention, so as to ensure the stability and accuracy of the system's variable parameter operation.
Owner:WUHAN BOILER GRP VALVE

An axial full-process closed liquid dynamic and static pressure supporting spindle system of an inertia friction welding machine

ActiveCN117182286BIncreased precisionEnsure axial accuracyNon-electric welding apparatusFriction weldingLiquid dynamics
This invention relates to a closed-loop axial hydrostatic / hydrostatic bearing spindle system for an inertial friction welding machine. The invention aims to address the problem that in inertial friction welding machines, the system cannot adaptively adjust the oil film thickness of the hydrostatic / hydrostatic thrust bearing according to the magnitude of the axial upsetting force from start to finish, thus failing to form a fully closed-loop system. The spindle system is equipped with opposing double-sided hydrostatic / hydrostatic thrust bearings. One side is a load-bearing hydrostatic / hydrostatic thrust bearing (11), and the other side is a non-load-bearing hydrostatic / hydrostatic thrust bearing (12). The non-load-bearing hydrostatic / hydrostatic bearing (12) acts as a back pressure, improving the oil film stability and stiffness of the load-bearing hydrostatic / hydrostatic thrust bearing (11), increasing welding accuracy, facilitating control of axial shortening, and improving welding stability and efficiency. The specific structure is shown in Figure 1.
Owner:HARBIN UNIV OF SCI & TECH