IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Steel Balls for Ball Bearings: Headed, Ground and Lapped
Bearing balls start as steel wire: cut into short pellets, pressed into rough spheres, rolled round between grooved plates, hardened, then ground and lapped until they are almost perfectly round and smooth.
Ilọsíwájú
Works process
Ìlànà
1
1
Watch: how ball bearings are made
Watch: how ball bearings are made
How It's Made: ball bearings, from steel to finished balls and rings.
2
2
Shear and head
Shear and head
Shear the wire into pellets of about the ball's volume. Head each pellet into a rough sphere.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Okùn irin kámánì1 as requiredÀwọn irinṣẹ́ tí a nílò:
Ẹ̀mú ìgé okùn
Ẹ̀rọ ìlù orí tútù3
3
Roll off the flash
Roll off the flash
Run the balls between rill plates, one fixed and one turning, with coolant pumped between them. This takes off the flash and rounds them; the pressure also hardens the surface a little.
Àwọn irinṣẹ́ tí a nílò:
Ẹ̀rọ ìlọ bọ́ọ̀lù aláwo oníhò
Òróró gígé4
4
Harden and descale
Harden and descale
Heat-treat the steel balls (harden and quench), then tumble off the scale.
Àwọn irinṣẹ́ tí a nílò:
Ààrò ìtọ́jú ooru
Àpótí ìtutù
Agba ìgé etí ìdà5
5
Grind and lap
Grind and lap
Hard-grind them in the same kind of machine with a fine grinding wheel or abrasive in the coolant, to within about a ten-thousandth of an inch. Lap them for more precision. Check sizes with a micrometer.
Àwọn irinṣẹ́ tí a nílò:
Kẹ̀kẹ́ ìlọ̀Ẹ̀rọ ìlọ bọ́ọ̀lù aláwo oníhò
Ẹ̀rọ ìdán bọ́ọ̀lù
Àpòpọ̀ ìdán
Máíkírómítà6
6
Limits
Limits
Process from Wikipedia's Bearing ball article. Wikipedia lists chrome steel among bearing-ball steels; high-carbon spring-steel wire is our choice here.
Àwọn ohun-èlò
1- 1 as requiredÀyè
Àwọn irinṣẹ́ tó nílò
11- Àyè
- Àyè
- Àyè
- Àyè
- Àyè
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