An on-machine multi-view visual detector for micro milling cutters and its detection method
A technology of micro-milling cutters and detectors, which is applied to instruments, measuring devices, scientific instruments, etc., can solve problems such as insufficient optical path protection, and achieve reliable operation
Active Publication Date: 2021-10-29
SHANGHAI WALNUT PRECISION TECH CO LTD
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[0009] The purpose of the present invention is to provide an on-machine multi-view visual detector for micro-milling cutters and its detection method, so as to solve the problem of insufficient optical path protection in the existing on-machine detection system for micro-milling cutters and the inability to detect micro-cutters with high efficiency and high precision. The problem of multi-angle observation of diameter and length, fracture, radial and end surface wear
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[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.
[0056] The object of the present invention is to provide an on-machine multi-view visual detector for micro milling cutters and its detection method, which uses only a single camera to realize radial and axial two viewing angles, and automatically completes tool length and diameter measurement, fracture detection, diameter A variety of functions are observed to the surface wear of the end, and a reliable optical path protection is provided through the positive ...
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The invention relates to an on-machine multi-angle visual detector for a micro milling cutter and a detection method thereof. The on-machine multi-view visual inspection instrument for micro milling cutter adopts double protection design of positive air pressure and pneumatic plunger to ensure that the optical components will not be polluted and operate reliably in the harsh processing environment with cutting fluid, oil mist and chips. And based on the principle of telecentric optical parallel projection imaging, using a half mirror, using a single camera can realize two observation angles of radial and axial at the same time, and use three types of light sources: backlight, front light and glazing to complete automatically The micro milling cutter has multiple functions of length and diameter measurement, fracture detection, radial and end surface wear observation, so as to detect the failure of the micro cutter in time to avoid further damage to the machined surface and reduce the machining accuracy.
Description
technical field [0001] The invention relates to the field of on-machine detection instruments for ultra-precision machining, in particular to an on-machine multi-view visual inspection instrument for micro milling cutters and a detection method thereof. Background technique [0002] On-machine detection of rotary tools involves five mutually independent functions, namely: tool setting, multi-view detection of micro-tools, tool runout detection, tooth-by-tooth wear detection of front and rear cutter faces, and real-time monitoring of the entire machining process. , the first four functions can only be run before and after machining, and the fifth function can monitor the tool status in the whole process of CNC machining in real time. a specific attribute. This paper only studies the independent function of multi-view detection of micro-tools. [0003] The micro milling cutter is a key part of ultra-precision milling. The size range is generally 0.01-1mm, and it has the char...
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IPC IPC(8): G01B11/00G01B11/02G01B11/08G01N21/95
CPCG01B11/00G01B11/022G01B11/08G01N21/9515
Inventor 张曦
Owner SHANGHAI WALNUT PRECISION TECH CO LTD