TH167800A - Roughly shaped material manufacturing method for rolling bearing. - Google Patents
Roughly shaped material manufacturing method for rolling bearing.Info
- Publication number
- TH167800A TH167800A TH1601002487A TH1601002487A TH167800A TH 167800 A TH167800 A TH 167800A TH 1601002487 A TH1601002487 A TH 1601002487A TH 1601002487 A TH1601002487 A TH 1601002487A TH 167800 A TH167800 A TH 167800A
- Authority
- TH
- Thailand
- Prior art keywords
- mass
- rolling bearing
- shaped material
- roughly shaped
- point
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract 8
- 238000005096 rolling process Methods 0.000 title claims abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 229910000831 Steel Inorganic materials 0.000 claims abstract 5
- 238000005242 forging Methods 0.000 claims abstract 5
- 239000010959 steel Substances 0.000 claims abstract 5
- 238000001816 cooling Methods 0.000 claims abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052799 carbon Inorganic materials 0.000 claims abstract 2
- 229910052804 chromium Inorganic materials 0.000 claims abstract 2
- 239000011651 chromium Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims 2
- 229910000677 High-carbon steel Inorganic materials 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 229910000599 Cr alloy Inorganic materials 0.000 abstract 1
- 238000000137 annealing Methods 0.000 abstract 1
- 239000000788 chromium alloy Substances 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
Abstract
วัสดุที่ถูกทำรูปทรงคร่าวๆ (roughly shaped material) สำหรับโรลลิงแบริงของการ ประดิษฐ์ปัจจุบันที่ถูกผลิตโดยการทุบเหล็กกล้าที่ประกอบด้วยเหล็กกล้าเจือคาร์บอนโครมสูงที่ บรรจุ 0.7 %โดยมวลถึง 1.2 %โดยมวลของคาร์บอน และ 0.8 %โดยมวลถึง 1.8 %โดยมวลของ โครเมียมให้เป็นรูปทรงที่ถูกกำหนดไว้ล่วงหน้าขณะที่ให้ความร้อนเหล็กกล้าถึงอุณหภูมิการทุบ ในช่วง (จุด Ae1+25 องศาเซลเซียส) ถึง (จุด Ae1+105 องศาเซลเซียส), การให้ความเย็นวัสดุที่ถูกทุบ ถึงอุณหภูมิของจุด Ae1 หรือต่ำกว่า และการดำเนินการอบอ่อนในที่ซึ่งวัสดุที่ถูกทุบที่ได้มาถูกทำให้ ร้อนถึงอุณหภูมิการแช่ร้อนในช่วง (จุด Ae1+25 องศาเซลเซียส) ถึง (จุด Ae1+85 องศาเซลเซียส), วัสดุที่ถูกทุบถูกคงสภาพเป็นเวลา 0.5 ชั่วโมงหรือนานกว่า และวัสดุที่ถูกทุบถูกทำให้เย็นลงถึง 700 องศาเซลเซียสหรือต่ำกว่าที่อัตราให้ความเย็น 0.30 องศาเซลเซียส/วินาทีหรือช้ากว่า Roughly shaped material for rolling bearing of It is currently fabricated by forging steel containing high-chromium alloy steel containing 0.7% by mass to 1.2% by carbon mass and 0.8% by mass to 1.8% by mass of chromium into predetermined shapes. When the steel is heated to its forging temperature in the range (Ae1 + 25 ° C) to (Ae1 + 105 ° C point), cooling the hammered material. To a point temperature of Ae1 or below and the annealing operation in which the obtained hammered material is Heated to the hot soaking temperature range (Ae1 + 25 ° C) to (Ae1 + 85 ° C), the smashed material was maintained for 0.5 hrs or longer. And the hammered material was cooled to 700 ° C or lower at a cooling rate of 0.30 ° C / s or slower.
Claims (1)
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TH1601002487A TH1601002487A (en) | 2017-09-14 |
| TH167800A true TH167800A (en) | 2017-09-14 |
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