2results about How to "Improve taper" patented technology

The present application discloses a method and equipment for micro-hole processing, wherein a device to be processed is placed in an etching liquid, wherein the device to be processed has a modified line extending from a first surface to a second surface and arranged corresponding to the position of the micro-hole; the etching liquid on at least one side of the first surface and the second surface of the device to be processed is pressurized until the modified line of the device to be processed expands to form a through hole; the first pressure of the etching liquid on the first surface side of the device to be processed is made greater than the second pressure of the etching liquid on the second surface side, and the etching liquid is driven to flow from the first surface side to the second surface side through the through hole of the device to be processed, thereby accelerating the corrosion speed of the inner wall of the through hole; the present invention can improve the problems of poor taper and low aspect ratio of holes in laser drilling, thereby processing thicker through holes and reducing the "hourglass hole" effect; different hole types can also be obtained by changing the processing conditions to meet the processing requirements of different products.

This invention belongs to the field of laser measurement technology and discloses a tool for detecting the internal diameter, roundness, and straightness of a cylinder. It includes an equidistant detection arm assembly, with an axis correction arm assembly surrounding the equidistant detection arm assembly and supporting it on the cylinder's internal axis. Three sets of detection disk assemblies are located at one end of the equidistant detection arm assembly. The correction disks of this invention drive multiple support arms to perform synchronous outward extension movements via the auxiliary arm. Multiple traveling wheels at the top of the support arms abut against the inner wall of the cylinder, forming an axis correction structure. In this way, when the equidistant detection arm assembly is in use, its axis coincides with the cylinder's axis, facilitating the acquisition of detection data during subsequent detection of the cylinder's internal diameter, roundness, and straightness. The detection disk assembly of this invention is equipped with a self-rotation protection module, which enables the laser rangefinder to spin into the brush arm for self-rotation cleaning and protection.