PL100855B1 - METHOD OF MAKING PRETS OR ROLLERS FOR REINFORCING CONCRETE - Google Patents
METHOD OF MAKING PRETS OR ROLLERS FOR REINFORCING CONCRETE Download PDFInfo
- Publication number
- PL100855B1 PL100855B1 PL19289276A PL19289276A PL100855B1 PL 100855 B1 PL100855 B1 PL 100855B1 PL 19289276 A PL19289276 A PL 19289276A PL 19289276 A PL19289276 A PL 19289276A PL 100855 B1 PL100855 B1 PL 100855B1
- Authority
- PL
- Poland
- Prior art keywords
- temperature
- rod
- prets
- rollers
- making
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 230000003014 reinforcing effect Effects 0.000 title 1
- 238000000034 method Methods 0.000 claims description 9
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000005496 tempering Methods 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 239000012467 final product Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Tires In General (AREA)
Description
Przedmiotem wynalazku jest sposób wytwarzania pretów lub walcówki do zbrojenia betonu obejmujacy obróbke mechaniczna oraz hartowanie i odpuszczanie.The present invention relates to a method of producing rods or rods for concrete reinforcement, including: machining as well as hardening and tempering.
Znany sposób wytwarzania pretów do zbrojenia betonu droga obróbki cieplno-mechanicznej polega na walcowaniu kesa w kilkunastu przepustach, przy czym po walcowaniu w kilku przepustach walcowanie jest przerywane, a pasmo chlodzone do odpowiedniej temperatury, po czym nastepnie walcowane do uzyskania wyrobu finalnego. Inny znany sposób wytwarzania pretów lub walcówki polega na walcowaniu kesa w kilkunastu przepustach az do uzyskania wyrobu finalnego, a po jego wyjsciu z klatki wykanczajacej chlodzeniu woda w sposób regulowany.The known method of producing rods for concrete reinforcement is based on thermo-mechanical treatment kesa rolling in several passes, while rolling is performed after rolling in several passes interrupted and the strand cooled to the appropriate temperature, then rolled to obtain it final product. Another known method of producing rods or wire rod consists in rolling a dozen kesa culverts until the final product is obtained, and after its exit from the finishing cage, cooling with water regulated.
Sposób produkcji pretów do zbrojenia betonu wedlug wynalazku obejmujacy obróbke mechaniczna oraz hartowanie i odpuszczanie, charakteryzuje sie tym, ze pret lub wflcówke o przekroju okraglym, odksztalcane na zimno znanym sposobem do przekroju trójkatnego lub czworobocznego o mocno zaokraglonych krawedziach, nagrzewa sie szybko do temperatury austenityzacji, odksztalca gniotem 20—70% do uzyskania ostatecznej postaci i hartuje z tej temperatury znanym sposobem, po czym prety nagrzewa sie ponownie do temperatury 200—550°C i chlodzi w powietrzu.A method of producing bars for concrete reinforcement according to the invention, including mechanical processing and hardening and tempering, characterized by the fact that a rod or a rod with a round section, deformed on cold using a known method for a triangular or quadrilateral cross-section with strongly rounded edges, it heats up quickly to the austenitizing temperature, deforms by crushing 20-70% to the final form and quenched from this temperature in a known manner, after which the bars are reheated to temperature 200-550 ° C and cool in air.
Wyrób wytwarzany tym sposobem posiada wymagane wlasnosci, zwlaszcza stosunkowo wysoka wytrzyma¬ losc, dobra plastycznosc i po odwinieciu z krazków samoczynnie sie prostuje.The product produced by this method has the required properties, in particular relatively high strength love, good plasticity and straightens automatically after unwinding from the discs.
Sposób wedlug wynalazku ilustruje ponizszy przyklad.The method according to the invention is illustrated by the following example.
Walcówke okragla odksztalcono na zimno gniotem 23%, do przekroju trójkatnego z zaokraglonymi narozami o promieniu 5 mm. Po nagrzaniu sposobem indukcyjnym do temperatury austenityzacji odksztalcono ponownie gniotem 32% do uzyskania ostatecznej postaci wyrobu finalnego, nastepnie hartowano i odpuszczano w temperaturze 300°C. Uzyskany wyrób finalny charakteryzowal sie nastepujacymi wlasnosciami mechanicz¬ nymi: Re = 121 kG/mm\ Rm = 138 kG/mm2, A5 - 5%.* 2 100 855The round wire rod was cold deformed with 23% crush, to a triangular cross-section with rounded with a 5 mm radius. After heating by induction to the austenitizing temperature, it was deformed again with 32% crushing to the final form of the final product, then hardened and tempered at a temperature of 300 ° C. The obtained final product was characterized by the following mechanical properties nymi: Re = 121 kg / mm \ Rm = 138 kg / mm2, A5 - 5%. * 2 100 855
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL19289276A PL100855B1 (en) | 1976-10-06 | 1976-10-06 | METHOD OF MAKING PRETS OR ROLLERS FOR REINFORCING CONCRETE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL19289276A PL100855B1 (en) | 1976-10-06 | 1976-10-06 | METHOD OF MAKING PRETS OR ROLLERS FOR REINFORCING CONCRETE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL100855B1 true PL100855B1 (en) | 1978-11-30 |
Family
ID=19978851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19289276A PL100855B1 (en) | 1976-10-06 | 1976-10-06 | METHOD OF MAKING PRETS OR ROLLERS FOR REINFORCING CONCRETE |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL100855B1 (en) |
-
1976
- 1976-10-06 PL PL19289276A patent/PL100855B1/en unknown
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