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Ultrasonic-assisted machining load amplitude measuring device and method

An ultrasonic-assisted, amplitude measurement technology, applied to measuring devices, measuring ultrasonic/sonic/infrasonic waves, instruments, etc., can solve problems such as difficulties in load amplitude measurement, and achieve the effect of easy operation and simple method flow

Inactive Publication Date: 2021-08-03
DALIAN UNIV OF TECH
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Problems solved by technology

The laser displacement sensor can be used to complete the measurement of the unloaded ultrasonic amplitude in the unprocessed state. Since the processing tool rotates all the time and is blocked by the workpiece during the processing, it cannot be directly measured by the sensor, and it is difficult to measure the load amplitude. Difficulties that urgently need to be solved in the field of processing

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  • Ultrasonic-assisted machining load amplitude measuring device and method
  • Ultrasonic-assisted machining load amplitude measuring device and method
  • Ultrasonic-assisted machining load amplitude measuring device and method

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Embodiment Construction

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] Such as Figure 2-5 As shown, the embodiment of the present invention discloses a load amplitude measurement device for ultrasonic assisted machining, which includes a three-axis numerical control platform and an ultrasonic assisted machining mechanism arranged on it. The ultrasonic assisted machining mechanism is used for ultrasonic m...

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Abstract

The invention provides an ultrasonic-assisted machining load amplitude measuring device and method. The method comprises the steps of: installing an alloy workpiece is installed on a three-axis numerical control machine tool, and ultrasonic equipment is connected to a cutting position; adjusting the ultrasonic knife handle to a resonance state by using an oscilloscope, and measuring no-load amplitude by using a laser displacement sensor; turning off the ultrasonic power supply, machining the alloy workpiece by using the ultrasonic cutter handle, stopping machining halfway, keeping the position of the cutter unchanged, turning on the ultrasonic power supply, adjusting an ultrasonic system to a resonance state by using an oscilloscope, and at the moment, impacting the surface of the workpiece by the tool in a main shaft static state; and using a surface profilometer for observing the surface of a workpiece, measuring the depth of a pit left when a tool impacts the surface of the workpiece when a cutter handle vibrates, and obtaining the ultrasonic amplitude during ultrasonic-assisted machining. The problem that in the prior art, the load amplitude cannot be measured in the machining modes of ultrasonic-assisted milling, grinding and the like is solved, the amplitude attenuation calculation method is provided based on the measurement method, and the overall method is simple in process and convenient to operate.

Description

technical field [0001] The invention relates to the field of ultrasonic assisted machining, in particular to an ultrasonic assisted machining load amplitude measuring device and method. Background technique [0002] Ultrasonic assisted machining is a processing method that transmits ultrasonic vibrations to the tool through an ultrasonic tool holder. At present, ultrasonic assisted machining is widely used in the processing of hard and brittle materials such as silicon carbide, and it has obvious advantages in improving processing efficiency and processing quality. Better than ordinary processing. The amplitude of tool holder ultrasonic vibration directly affects the processing quality and efficiency. [0003] The ultrasonic amplitude load of ultrasonic assisted machining is different from that of no load, and its relative ratio can be used to calculate the removal amount, and can also provide help for ultrasonic assisted machining simulation. The laser displacement sensor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01H9/00
CPCG01H9/00
Inventor 董志刚康仁科韩松张园
Owner DALIAN UNIV OF TECH
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