Concave/Convex Lens Universal Bernoulli Chuck Type W
Concave/Convex Lens Universal Bernoulli Chuck Type W
Both convex and concave lenses are transported non-contact using the same Bernoulli chuck type W.
The non-contact transport device "Convex/Concave Lens Shared Bernoulli Chuck Type W" can maintain and transport items in a suspended state without contact by ejecting gas towards the lens. This is made possible by forming two types of curved surfaces, convex and concave lenses, on the operating surface opposing the lens (patent pending). When the gap between the operating surface and the lens is large, the gas ejection nozzle, cushion chamber, and the gap between the operating surface and the lens function as the nozzle, vacuum chamber, and diffuser of an ejector, respectively. As a result, a negative pressure is generated in the cushion chamber, pulling the lens closer. When the lens is drawn in and the gap with the operating surface decreases, the cushion chamber functions as a pressure chamber type air cushion (hovercraft), causing the pressure in the cushion chamber to rise sharply, which separates the lens. This maintains the lens in a non-contact suspended state in the air at a distance that automatically keeps the balanced pressure of the cushion chamber between the operating surface and the lens.
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basic information
Note: This was made possible by forming two types of curved surfaces, concave and convex lenses, on the working surface opposing the lens (Patent Pending). ● It features excellent holding stability, high efficiency, and is shock-resistant, utilizing a "Bernoulli chuck." The "W-type Bernoulli chuck for both convex and concave lenses" adopts a new method called "vertical gas jet method." This method allows the gas flow ejected from the nozzle to create a vertical gas jet in the cushion chamber, reducing friction losses of the gas flow within the chamber, enhancing the effect of negative pressure generation, making it shock-resistant, and nearly halving gas consumption. ● The efficiency of negative pressure generation is twice that of conventional methods. By angling the air ejection direction, the amount of negative pressure generated due to the ejector effect in the cushion chamber is also increased, allowing for efficient negative pressure generation. It can withstand shocks and enables high-speed transport. Due to the structure where the air jet does not hit the lens vertically, it does not damage ultra-thin lenses, scratch treated surfaces, or create stress.
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Applications/Examples of results
- Non-contact loading and unloading process for preform lens pressing. - Removal of concave and convex lenses from the tray. - Loading and unloading into the concave and convex lens assembly process. - Loading and unloading into the lens polishing process. - Loading and unloading into the lens cleaning process.
Company information
Manufacturing of non-contact transport devices and application devices for wafers, liquid crystal glass substrates, PDPs, ceramics, printed circuit boards, FPC substrates, films, paper, cloth, etc., using our patented non-contact transport device "Float Chuck" based on the vertical gas jet method developed by our company.
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