Check mark of the rolling element bearing

Cerrado Publicado Dec 24, 2013 Pagado a la entrega
Cerrado Pagado a la entrega

(1) bearing the mark of a party to remove

Rolling bearings required on the method has the following three, namely:

Mechanical method b. a. c. electric erosion method and chemical method

Chemical method is only a small amount of test products; In the grinding of the bearing [url removed, login to view] Write up clearance category code and precision grade code; And split bearings in pairs about the complement code and logo, etc.

(2) the content and location

Shall generally be code on the ring width superscript bearing, year of manufacture code and factory code (or brand), the three intervals of 120 ° uniform distribution, for beautiful also are called distribution. But can also be in accordance with the requirements for product drawings in shield, cage, retaining ring, seal or dust device on the face of. Manufacturing years code should comply with the provisions of the factory product design department.

Ring width and effective width of less than 0.8 mm, its flag allows marking on the outer diameter and packing materials; For more than 0.8 mm, can sign according to the following rules:

1) for integral type bearing, allowed on a ring width, marked with full marks. Another ring for the difference between datum, allowing on the ring of datum mark process.

2) separated type of bearing, must be labeled on each ring width complete logo. But also allows the one ring spacing on the end of 180 ° on bearing code and factory code (or trademarks).

3) several types of bearings using the same ring, can mark on the bearing on the ring width, or using chemical method of adding markers.

[example] bearing 627 and 627, using the same outer ring, can be on the outer end face superscript "627-618".

[example] bearing NU2C4, NJ204 and RNU204 use the same outer ring, can be on the outer end face, labeled "NU - NJ - RNU204", including common part of the "204" available mechanical method.

(3) the logo font and high

The font should comply with the provisions of the factory product design department. Word high highly selected according to the following: 0.5, 0.7, 1, 2, 2.5, 1.2, 1.5, 3, 4, 5 mm. When necessary, can be in accordance with the provisions of the product drawings of the same bearing parts can use different font size, its height should choose each other as far as possible the adjacent two specifications.

(4) mark requirements

1) mark must be complete and full.

2) the handwriting must be correct and clear; Lines should be uniform thickness. The writing should have certain depth. The electric erosion method; High words less than or equal to 1 mm, the words deep shall not be less than 0.003 mm; Word to be tall LMM but less than or equal to 2.5 mm, the words deep shall not be less than 0.005 mm; Word in 2.5 mm tall, its word deep shall not be less than 0.01 mm.

3) sign center circle diameter, uniform and font must not have visual visible deviation.

4) logo font, symbol shapes, word wide, line width and the distance between the words should comply with the provisions of the factory product design department.

5) bearing parts surface gradually plan paper and relevant documents is allowed to sign, can not have other logo.

6) subscribers have special requirements, they can negotiate with factory, according to the negotiation of complementary technologies require the use of the required marks method and content.

Fabricación Diseño de productos Abastecimiento de productos

Nº del proyecto: #5255846

Sobre el proyecto

2 propuestas Proyecto remoto Activo Jan 30, 2014

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Hi, I'm really interested in the project, since it's my area of expertise. I'm sure we can work together. I have read and understood the project guideline. I will like to use my experience to serve you better. You can Más

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