JP2007240526A5

JP2007240526A5 -

Info

Publication number: JP2007240526A5
Application number: JP2007030317A
Authority: JP
Filing date: 2007-02-09
Publication date: 2007-12-13
Anticipated expiration: 2027-02-09

Claims

Application of lubricant in a rolling bearing provided with an outer ring, an inner ring, a plurality of rolling elements disposed between the outer ring and the inner ring, and a cage that separates the rolling elements and has light permeability. An inspection device for inspecting a state,
A light source that emits visible or infrared light; and
First imaging means for capturing a transmission image of a rolling bearing by visible light or infrared light irradiated from the light source;
First extraction means for extracting a first specific region in a cage from an image captured by the first imaging means;
Second extraction means for extracting a second specific area representing a visible light or infrared transmission area or non-transmission area in the area extracted by the first extraction means;
First comparing means for comparing the area of the region extracted by the first extracting means with the area of the region extracted by the second extracting means;
An inspection apparatus comprising:

An inspection device for inspecting the application state of a lubricant having a fluorescent component in the rolling bearing,
An ultraviolet light source that emits ultraviolet light;
A second imaging means for imaging the rolling bearing irradiated to the ultraviolet light source;
Third extraction means for extracting a third specific region from the image captured by the second imaging means;
Fourth extraction means for extracting a fourth specific area in the area extracted by the third extraction means;
The inspection apparatus according to claim 1, further comprising:

3. The inspection apparatus according to claim 2, further comprising second comparing means for comparing the area of the region extracted by the fourth extracting means with a predetermined threshold value.

The inspection apparatus according to claim 2, wherein the third extraction unit extracts a region of a rolling element as the third specific region.

5. The inspection apparatus according to claim 2, wherein the fourth extraction unit extracts a color region indicating an imaging region of the lubricant as the fourth specific region. .

Comprising a reflector that reflects visible light or infrared light emitted from the light source;
The said 1st imaging means images the transmission image of the rolling bearing by visible light or infrared rays irradiated via the said reflecting plate, The claim of any one of Claim 1 to 5 characterized by the above-mentioned. The inspection device described.

In an inspection apparatus including a light source that emits visible light or infrared light and an imaging unit that captures a visible light or infrared transmission image, a plurality of outer rings, an inner ring, and a plurality disposed between the outer ring and the inner ring An inspection method for inspecting the application state of a lubricant in a rolling bearing provided with a rolling element and a cage having a light transmission property.
A first step of capturing a transmission image of a rolling bearing by visible light or infrared light irradiated from the light source;
A second step of extracting a first specific region in the cage from the image captured in the first step;
A third step of extracting a second specific region representing a visible light or infrared transmission region or non-transmission region in the region extracted by the second step;
A fourth step of comparing the area of the region extracted by the second step with the area of the region extracted by the third step;
An inspection method characterized by comprising:

An assembling apparatus for assembling a rolling bearing including at least an outer ring, an inner ring, a plurality of rolling elements, and a cage having optical transparency;
A lubricant application device for applying a lubricant to a predetermined position of the assembled rolling bearing;
An inspection device for detecting the application state of the lubricant in the rolling bearing coated with the lubricant;
A rolling bearing manufacturing apparatus comprising:
6. The rolling bearing manufacturing apparatus according to claim 1, wherein the inspection apparatus is the inspection apparatus according to any one of claims 1 to 5.

9. The rolling bearing manufacturing apparatus according to claim 8, wherein the lubricant application device adjusts a lubricant application position based on an inspection result in the inspection device.

A fifth step of assembling a rolling bearing including at least an outer ring, an inner ring, a plurality of rolling elements, and a light-transmitting cage;
A sixth step of applying a lubricant to a predetermined position of the assembled rolling bearing;
A seventh step of detecting a lubricant application state in the rolling bearing coated with the lubricant;
An eighth step of adjusting the lubricant application position based on the detection result of the lubricant application state in the seventh step,
In the sixth aspect, the lubricant is applied at the application position adjusted in the eighth step, and the seventh step is an inspection method according to claim 7. Production method.