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Joined:	Nov 7 2022, 4:34 am
Last Active:	Nov 7 2022, 4:36 am
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Display Name:	laurendrhicks

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With the advancement of modern technology, it demands greater precision of large-scale bearings, and the tolerance level also reaches P4 and P5. Large bearings are typically constructed by using CNC Lathes as well as Grinding Tools. Because of the limitations of the grinding process efficiency and costs are not as high.

The superhard cutting instruments full cbn inserts are used in many cold processes to replace grinding. This article will teach you how to turn hard bearing rings. The surface roughness can be as high as Ra0.40.8 and meet the bearing's requirements.

The character of the insert for hard turning bearings

CBN Insert is among the most effective materials for machining ferrous metals. It is extremely hard as well as wear resistance. It it is second to diamond tools. CBN Insert is efficient when cutting high-hardness materials.

CBN Insert has high stable performance and high temperature red hardness If the cutting temperature is high, the material will become soft, which is a beneficial to the cutting process.

CBN Insert is very antioxidant and will not react with iron when temperatures are that are higher than 1200-1300?. However, it will undergo hydrolysis up to 1000?. When we are using solid cbn insert cutting bearings it is recommended to use dry cutting methods.

CBN Insert is low in the coefficient of friction. It won't readily form the chipping layer. It also enhances the surface quality and finish of the piece.

CBN materials for hard-turning bearings

To cut down on the time it takes to machine large-scale bearings, we utilize solid cbn Insert to boost efficiency and cut the cutting processes. The most popular cbn material is the BN-S20 solid CBN insert.

The BN-S20 are part of full cbn inserts, and the hardness is around HRC951000 and it uses ceramic as binder, which can make sure the outstanding wear resistance as well as the high chemical resistance at high temperatures.

For example, to machine wind power bearings of diameter 1900mm and thickness 130mm it takes about 18h. If you choose to use grinding, it can take around 4 hours. If you use turning instead, it takes about 4.5h. And the roughness can reach Ra0.3um,the processing efficiency of turning is about 4 times of grinding. And all the costs only have 20% percent.

The benefits of inserts made from cbn hard-turning bearings

(1) The efficiency increased by several times

(2) It can be purchased in large quantities and is very long-lasting.

(3) Reducing the impact of pollution In comparison to grinding processes chips can be easily removed. The turning process does not require cutting fluid.

Conclusion

If we use CBN cutting tools that are hard turning bearings with CNC Lathe, it will have high working efficiency, and lower the tool costs. As the industry grows more and more manufacturers of bearings are using CNC inserts in place of grinding.

Global Shoutbox

[2026-10-09. : 2:53 am]

Mr.BurnLiquid -- Symmetry

Symmetry shouted: I'll check it out this weekend!

Thanks

[2026-10-09. : 2:47 am]

Symmetry -- I'll check it out this weekend!

[2026-10-09. : 2:40 am]

Mr.BurnLiquid -- Symmetry

Symmetry shouted: Another map maker? Damn we really ARE back

I invite you to try out the map I modified. I don't have the creativity to create maps from scratch, but I do have the know-how to modify existing ones; my project is to tweak community campaigns (specifically those with errors—to make them playable.

[2026-10-09. : 2:27 am]

Symmetry -- Another map maker? Damn we really ARE back

[2026-10-09. : 1:51 am]

Mr.BurnLiquid -- Ultraviolet

Ultraviolet shouted: Mr.BurnLiquid actually yeah though I wasn't really saying it to narc on you. It just caught me off guard because I don't usually see it (because it's against the rules) "The avatar may not be bigger than 150x150 pixels". Kinda silly that it relies on users to be well behaved rather than just limiting the dimensions on uploads :lol:

Now that I wanted to change my avatar, the error image is showing up, haha.

[2026-10-09. : 1:34 am]

Mr.BurnLiquid -- Ultraviolet

Mr.BurnLiquid

Mr.BurnLiquid shouted: Ultraviolet Thanks; I'm new to the site and a Spanish speaker. I must have missed the part where it was prohibited—I'll change it now.

I invite you to try out a mission I'm modifying from *StarCraft Reversed*; I'm trying to make it more playable and challenging.

[2026-10-09. : 1:33 am]

Mr.BurnLiquid -- Ultraviolet

Thanks; I'm new to the site and a Spanish speaker. I must have missed the part where it was prohibited—I'll change it now.

[2026-10-09. : 1:31 am]

Ultraviolet -- Mr.BurnLiquid

Mr.BurnLiquid shouted: Ultraviolet Is it forbidden to have a large avatar?

actually yeah though I wasn't really saying it to narc on you. It just caught me off guard because I don't usually see it (because it's against the rules) "The avatar may not be bigger than 150x150 pixels". Kinda silly that it relies on users to be well behaved rather than just limiting the dimensions on uploads :lol:

[2026-10-09. : 12:20 am]

Mr.BurnLiquid -- Ultraviolet

Ultraviolet shouted: https://staredit.net/profile/133367/ dude's avatar is massive

Is it forbidden to have a large avatar?

[2026-10-09. : 12:04 am]

Ultraviolet -- https://staredit.net/profile/133367/ dude's avatar is massive

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