CN103212659B - A kind of forging forming process for iron ornamental part product - Google Patents
A kind of forging forming process for iron ornamental part product Download PDFInfo
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Abstract
The present invention relates to a kind of forging forming process for iron ornamental part product, this technique adopts low temperature warm forging decorative pattern preform to substitute cold forging decorative pattern preform；In employing, temperature warm forging shapes to substitute traditional high temperature forging shaping；Electrical heating is adopted to substitute coal-fired heating；The preparation of reasonable standard technological process and mould.Relative to generally traditional high-temperature heating forging, the warm forging forming technique adopted, it is remarkably improved surface quality and the heating function of iron art products forging accessory, reduces the heated oxide loss of material, be substantially reduced the workshop cost of forging post processing.It is have high temperature forging concurrently to shape a kind of Novel forging forming technology with cold-forging forming advantage that low temperature warm forging and middle temperature warm forging shape, it by higher for forging precision, material recovery rate is higher, heating and post processing effect this three higher are incorporated into all over the body, is favorably improved technology content and the added value of iron art products.
Description
Technical field
The present invention relates to a kind of ferrum skill ornamental part goods forming technology.
Background technology
Include all kinds of iron art products of assembled ferrum skill balcony balustrade, especially focus on its unification functional, Gongmei.For this, quite a few iron art products is equipped with deft design, numerous ornamental part of all shapes and colors.The ornamental part of most iron art products producers is all finally shaped by cold forging decorative pattern preform and traditional high temperature forging, and its typical process flow is as follows: blanking → (cold forging decorative pattern preform) → coal-fired heating → high temperature forging (open die forging or die forging) → post processing (reconditioning, removing iron sheet etc.).
Although high temperature forging shapes easily, it is possible to carry out on the forging equipment (pneumatic hammer or press) of less tonnage, but the loss factor of above-mentioned heating generally all can be higher than 1.025；The press-in area of iron scale generally all can more than more than 20%, and subsequent treatment workload is bigger.In addition, forge with blocked up iron scale, also can be substantially reduced die life and surface accuracy.Cold-forging forming contributes to improving forging surface quality, and subsequent treatment processing capacity is minimum, but the power of metal forming machinery and the material of mould propose very harsh requirement, and then can substantially increase workshop cost.
Summary of the invention
It is an object of the invention to provide a kind of forging forming process for iron ornamental part product, this technique is remarkably improved surface quality and the heating function of ferrum skill ornamental part goods, reduce the heated oxide loss of material, it is substantially reduced the workshop cost of forging post processing, work condition environment, environmental protection and energy saving can also be significantly improved simultaneously.
The technical scheme is that and be achieved in that:
A kind of forging forming process for iron ornamental part product, it is characterized in that and comprises the technical steps that:
(1) the overall dimensions blanking determined according to design drawing, under material be strip iron material or tabular iron material, get out pneumatic hammer equipment or press equipment simultaneously；
(2) by electric furnace, lower materials and parts are heated to 320 DEG C ± 15 DEG C；
(3) adopt contour forging technique or free forging process, with pneumatic hammer or forcing press, lower materials and parts are carried out decorative pattern preform, obtain the lower materials and parts with floral designs；
(4) by electric furnace, lower materials and parts are heated to 760 DEG C ± 15 DEG C；
(5) adopting contour forging technique or free forging process, with pneumatic hammer or forcing press, lower materials and parts are carried out forging shaping, final forging temperature is not less than 510 DEG C；
(6) finished product forging is carried out shaping, reconditioning, sand removal post processing, finally give required ferrum skill ornamental part goods.
Beneficial effects of the present invention:
The present invention adopts low temperature warm forging decorative pattern preform to substitute cold forging decorative pattern preform；In employing, temperature warm forging shapes to substitute traditional high temperature forging shaping；Electrical heating is adopted to substitute coal-fired heating；The preparation of reasonable standard technological process and mould.Relative to generally traditional high-temperature heating forging, the warm forging forming technique adopted, it is remarkably improved surface quality and the heating function of iron art products forging accessory, reduces the heated oxide loss of material, be substantially reduced the workshop cost of forging post processing.It is have high temperature forging concurrently to shape a kind of Novel forging forming technology with cold-forging forming advantage that low temperature warm forging and middle temperature warm forging shape, it by higher for forging precision, material recovery rate is higher, heating and post processing effect this three higher are incorporated into all over the body, is favorably improved technology content and the added value of iron art products.It is interval below that the heating temperature range of low temperature warm forging elects carbon steel blue shortness temperature (450 DEG C) as, it is contemplated that temperature increasing by deformation, is namely decided to be 320 DEG C ± 15 DEG C；Middle temperature heating temperature range is elected as on carbon steel blue shortness temperature (450 DEG C), recrystallization temperature (810 DEG C) is interval below, is 760 DEG C ± 15 DEG C；It is 510 DEG C that final forging temperature is not less than；Mold materials generally selects H50 steel, processes hardness between 48-52HRC.By adopting warm forging forming technology, material recovery rate improves 50%；Surface accuracy is substantially improved；Post processing workload declines more than 30%；Significantly improve work condition environment.Although forging acc power and die cost slightly increase, integrate workshop forging cost and be decreased obviously.
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Accompanying drawing explanation
Fig. 1 is the block flow diagram of the present invention.
Detailed description of the invention
As it is shown in figure 1, a kind of forging forming process for iron ornamental part product, it comprises the technical steps that:
(1) the overall dimensions blanking determined according to design drawing, under material be strip iron material or tabular iron material, get out pneumatic hammer equipment or press equipment simultaneously；
(2) by electric furnace by under lower materials and parts heating to carbon steel blue shortness temperature 450 DEG C, it is contemplated that temperature increasing by deformation, heating-up temperature is taken as 320 DEG C ± 15 DEG C；
(3) adopt contour forging technique or free forging process, with 150KG pneumatic hammer or 65T forcing press, lower materials and parts are carried out decorative pattern preform, obtain the lower materials and parts with floral designs；
(4) by electric furnace by the heating of lower materials and parts on carbon steel blue shortness temperature 450 DEG C, recrystallization temperature less than 810 DEG C interval, be 760 DEG C ± 15 DEG C；
(5) adopting contour forging technique or free forging process, with 150KG pneumatic hammer or 65T forcing press, lower materials and parts are carried out forging shaping, final forging temperature is not less than 510 DEG C；In this process, it is necessary that some forging occasion melts down reheating, finally obtains finished product forging；
(6) finished product forging is carried out shaping, reconditioning, sand removal post processing, finally give required ferrum skill ornamental part goods.
Below to forge floral leaf part HT-B1402, it is described further with the present invention:
The first step, by designer according to pattern just printing drawing by 1: 1.Then by workman's thickness well cutting floral leaf blank (floral leaf is generally slit into 2-5MM iron plate) according to floral leaf size, material；
Second step, by floral leaf blank electrical heating to 320 ± 15 DEG C by forger Pneumatic-hammer type forcing press cold forging lines (forging stricture of vagina must keep clear, and the lines flow smoothly)；
3rd step, has been with textured plate to put into heating by electric cooker to 760 DEG C ± 15 DEG C by above-mentioned；
4th step, adopts contour forging technique or free forging process, with 150KG pneumatic hammer or 65T forcing press, sheet blanks is carried out forging shaping, and final forging temperature is not less than 510 DEG C；In this process, it is necessary that some forging occasion melts down reheating, finally obtains finished product forging；
In this step, if relating to the decoration that some workpiece are relatively fine, it is possible to after plate is come out of the stove, 2 pounds of little top fullers and dirt can be adopted to have hammered into shape and to carry out adjusting slowly by hand carefully beating to it, to complete required shape；Different according to floral leaf size, floral leaf need to not stamp 60-600 hammer not etc.；In this process, must adopt and repeatedly melt down reheating；
5th step, profile and surface to finished product forging include the cold conditions post processings such as shaping, reconditioning, removing iron sheet.
The detailed description of the above embodiment of the present invention and accompanying drawing, it is therefore an objective to made an explanation by word and diagram, and do not lie in restriction scope of the claims.Various changes in detailed description of the invention described in present specification; it is apparent to those skilled in the art; and it being in the protection domain of claim and equivalent technologies thereof, any change without departing from the claims in the present invention, amendment belong to the content of present invention protection.
Claims (1)
1. a forging forming process for iron ornamental part product, it is characterised in that comprise the technical steps that:
(1) the overall dimensions blanking determined according to design drawing, under material be strip iron material or tabular iron material, get out pneumatic hammer equipment or press equipment simultaneously；
(2) by electric furnace, lower materials and parts are heated to 320 DEG C ± 15 DEG C；
(3) adopt contour forging technique or free forging process, with pneumatic hammer or forcing press, lower materials and parts are carried out decorative pattern preform, obtain the lower materials and parts with floral designs；
(4) by electric furnace, lower materials and parts are heated to 760 DEG C ± 15 DEG C；
(5) adopting contour forging technique or free forging process, with pneumatic hammer or forcing press, lower materials and parts are carried out forging shaping, final forging temperature is not less than 510 DEG C；
(6) finished product forging is carried out shaping, reconditioning, sand removal post processing, finally give required ferrum skill ornamental part goods.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310094985.4A CN103212659B (en) | 2013-03-20 | 2013-03-20 | A kind of forging forming process for iron ornamental part product |
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| CN201310094985.4A CN103212659B (en) | 2013-03-20 | 2013-03-20 | A kind of forging forming process for iron ornamental part product |
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| CN103212659A CN103212659A (en) | 2013-07-24 |
| CN103212659B true CN103212659B (en) | 2016-06-29 |
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| CN104550590A (en) * | 2014-12-22 | 2015-04-29 | 青岛锻艺金属有限公司 | Forging process of iron product |
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| JPH06248402A (en) * | 1993-02-23 | 1994-09-06 | Mazda Motor Corp | Production of member made of magnesium alloy |
| JP2000015379A (en) * | 1998-07-02 | 2000-01-18 | Daido Steel Co Ltd | Forging method of high carbon steel |
| CN1672833A (en) * | 2005-04-21 | 2005-09-28 | 上海工程技术大学 | Precise plastic forming technology for rolling body of large and medium-sized bearing |
| JP2008179891A (en) * | 2008-01-16 | 2008-08-07 | Denso Corp | Austenitic stainless steel, cold- and warm-forged component made of austenitic stainless steel and method for processing the cold- and warm-forged component |
| KR20100120994A (en) * | 2009-05-07 | 2010-11-17 | 주식회사 나래코퍼레이션 | Manufacturing method for journal cross |
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Address after: 529728 New Material Base of Gonghe Town, Heshan City, Guangdong Province (Block A, Hongtu Tieyi Industrial Co., Ltd.) Patentee after: Guangdong Hongtu New Materials Technology Co., Ltd. Address before: 529728 New Material Base of Gonghe Town, Heshan City, Guangdong Province (Block A, Hongtu Tieyi Industrial Co., Ltd.) Patentee before: Heshan Hongtu Ironware Co., Ltd. |
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