CN1995755A - Wearable shockproof cutting ring and method for making same - Google Patents
Wearable shockproof cutting ring and method for making same Download PDFInfo
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- CN1995755A CN1995755A CN 200610136945 CN200610136945A CN1995755A CN 1995755 A CN1995755 A CN 1995755A CN 200610136945 CN200610136945 CN 200610136945 CN 200610136945 A CN200610136945 A CN 200610136945A CN 1995755 A CN1995755 A CN 1995755A
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Abstract
The invention discloses a cutting ring with wear and impact resistance and the manufacturing method. The cutting ring can improve the ability of wear and impact resistance and avoid dropping too early and invalidation generated by high impact in using. It is provided with stable performance and long service life. It can improve operating and producing cost. The cutting ring comprises ring body. Weld overlay is set in the inner hole of ring body and on the outer ring surface and wear resistant layer is set at the larger end face of ring body; or hard alloy ring or block is embedded on the larger end face of ring body and wear resistant layer is coated. The manufacturing process comprises following procedures that the ring body is machine by middle-low carbon steel, the weld overlay in the inner hole of ring body and on the outer ring face of ring body is formed with wear resistant surface welding material, wear resistant alloy powder or surface welding material is coated on the whole larger end face, the wear resistant layer is formed; or after the surface welding layer is cooled annular groove is machined at the larger end face, wear resistant alloy powder or surface welding material is coated on the whole larger end face without the groove, the wear resistant layer is formed, the hard alloy is brazed in the annular groove.
Description
Technical field
The invention belongs to the concrete pumping machinery part, be specifically related to a kind of cutting ring and manufacture method thereof.
Background technique
Cutting ring is one of vital part of concrete pumping machinery, and present employed cutting ring mainly adopts built-up welding and soldering cemented carbide complex method to make.It is that inner and outer wall at the cyclic group body has an overlay cladding, the big end surface soldering cemented carbide of ring, the cutting ring that this kind method is made is not because not wear-resisting and not shock-resistant and the overlay cladding of body shock-resistant, cause that overlay cladding is easy to burst apart in the using process, matrix is easy to be worn away, and makes the carbide ring of soldering lose support.Because cemented carbide is very crisp, under the high impact forces effect, be easy to fracture, fall piece, whole cutting ring was lost efficacy, working life is short, unstable properties, the influence construction has improved operating cost and cost of production.
Summary of the invention
Technical problem to be solved by this invention is the defective that overcomes above-mentioned prior art, a kind of wear-resisting and shock-resistant ability that improves cutting ring is provided, avoid it in use because HI high impact causes too early fall piece and inefficacy, stable performance, long service life can improve the wearable shockproof cutting ring and the manufacture method thereof of operating cost and cost of production.
For solving the problems of the technologies described above, the present invention adopts following technical proposals.
Wearable shockproof cutting ring of the present invention comprises the cyclic group body, is covered with overlay cladding on the endoporus of described cyclic group body and the outer ring surface, it is characterized in that the big end surface of described cyclic group body is coated with wearing layer; Or offer circular groove on the big end surface of described cyclic group body, and being inlaid with carbide ring or piece in the described circular groove, the non-slot part of big end surface is coated with wearing layer.
The manufacture method of wearable shockproof cutting ring of the present invention, its process step is:
(1). process the cyclic group body with middle-carbon steel or low carbon steel, with endoporus and the outer ring surface built-up welding overlay cladding of hardfacing materials to the cyclic group body,
(2). to applying abrasion resistance alloy powder or hardfacing materials on the whole big end surface, form wearing layer.
Or process step of the present invention is:
(1). process the cyclic group body with middle-carbon steel or low carbon steel, with endoporus and the outer ring surface built-up welding overlay cladding of hardfacing materials to the cyclic group body, the cooling back processes circular groove in big end surface,
(2). the non-slot part of whole big end surface is applied abrasion resistance alloy powder or hardfacing materials, form wearing layer,
(3). carbide filler is welded in the circular groove.
Described built-up welding thickness is 1～4mm, and surfacing hardness is greater than 55HRC.Described hardfacing materials is carbide reactor welding rod, high-chromium cast iron alloy surfacing electrode, cemented carbide flux cored wire or rich chromium cast iron flux cored wire.
The coating of described abrasion resistance alloy powder comprises spraying, spray fusing, built-up welding or other melt-coating method.
Described spray fusing technology is: with oxy-acetylene flame big end surface is preheated to 600～700 ℃ earlier, with oxy-acetylene flame the abrasion resistance alloy powder is carried out spray fusing then, the pressure of acetylene cylinder transfers to 0.10～0.15MPa, and the pressure of oxygen cylinder transfers to 0.5～0.8MPa, and the thickness of spray fusing is 2～5mm.
Described spraying coating process is: voltage 25～35V, and electric current 160A, air pressure is 0.2～0.6Mpa, spray distance 120～150mm, coating thickness are 2～5mm.
Described abrasion resistance alloy powder comprises chromium based wear-resistant alloy powder, nickel-base antiwear alloyed powder, nickel chromium triangle based wear-resistant alloy powder, tungsten carbide-base abrasion resistance alloy powder or chromium nickel-molybdenum alloy powder.
Beneficial effect of the present invention is: the present invention carries out different processing according to the performance requirement difference of cutting ring different parts.Cutting ring must stand the HI high impact effect, and its cyclic group body is selected the middle-carbon steel of good toughness, low carbon steel for use.The endoporus and the outer ring surface of cyclic group body mainly are worn, and adopt built-up welding high-rigidity resurfacing welding layer, improve its antiwear property.The big end surface of ring not only is worn also and will be subjected to greater impact, adopt the complex method of spray fusing or spraying or built-up welding or other melt-coating method and soldering cemented carbide, at its surface-coated one deck wearing layer or coating one deck wearing layer and soldering cemented carbide, not only guarantee but also guarantee its wear-resisting property with high base strength, improved the wear-resisting and shock-resistant ability of cutting ring, can avoid it in use because HI high impact causes too early fall piece and inefficacy, stable performance, long service life, operating cost and cost of production improve.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the structural representation of the embodiment of the invention 2 and 3.
Each label is represented among the figure:
1, wearing layer 2, overlay cladding
3, cyclic group body 4, carbide ring
5, circular groove
Embodiment
Embodiment 1:
As shown in Figure 1, the wearable shockproof cutting ring of present embodiment comprises cyclic group body 3, is covered with overlay cladding 2 on the endoporus of cyclic group body 3 and the outer ring surface, and the whole big end surface of cyclic group body 3 is provided with wearing layer 1.
The manufacturing process of above-mentioned cutting ring is: use the 35# steel, require to be processed into cyclic group body 3 according to drawing, its endoporus and outer shroud are carried out built-up welding, form overlay cladding 2, surfacing electrode is the rich chromium cast iron surfacing electrode, also can be the rich chromium cast iron flux cored wire.Welding current is 150A, and built-up welding thickness is 3mm, and hardness is greater than HRC55; To carrying out spray fusing Tungsten carbite (WC) based wear-resistant alloy powder on the whole big end surface, form wearing layer 1 then.Spray fusing technology is: with oxy-acetylene flame sprayed surface is preheated to 600～700 ℃ earlier, with oxy-acetylene flame the abrasion resistance alloy powder is carried out spray fusing then, the pressure of acetylene cylinder transfers to 0.12MPa, and the pressure of oxygen cylinder transfers to 0.7MPa, and the thickness of spray fusing is 3mm.
Embodiment 2:
As shown in Figure 2, the wearable shockproof cutting ring of present embodiment, comprise cyclic group body 3, be covered with overlay cladding 2 on the endoporus of cyclic group body 3 and the outer ring surface, on big end surface, also offer circular groove 5, the non-slot part of the big end surface of cyclic group body 3 is provided with the wearing layer of being made by the abrasion resistance alloy powder 1, is inlaid with carbide ring 4 in the circular groove 5, also can be hard alloy blocks.
The manufacturing process of above-mentioned cutting ring is: use the 35# steel, require to be processed into cyclic group body 3 according to drawing, its endoporus and outer shroud are carried out built-up welding, form overlay cladding 2, hardfacing materials is the carbide reactor welding rod, also can be the cemented carbide flux cored wire, and welding current is 150A, built-up welding thickness is 3.5mm, and hardness is greater than HRC55.Spraying treatmen is carried out to the non-slot part of big end surface again at the circular groove 5 of big end surface processing tungsten carbide button in the cooling back, forms wearing layer 1, and the abrasion resistance alloy powder of spraying is a Ni60B nickel-base antiwear alloyed powder.The process parameter of spraying is: voltage 30V, and electric current 160A, air pressure is 0.5Mpa, spray distance 120mm, coating thickness are 2mm.Carry out the copper brazing cemented carbide then: earlier carbide ring 4 (or hard alloy blocks) is put into circular groove 5, carry out integral body then and be preheated to 600 ℃, carry out copper brazing with oxy-acetylene flame, brazing temperature is 1000 ℃.
Embodiment 3:
The cutting ring structure is identical with embodiment 2 in the present embodiment, its manufacturing process is: use the 35# steel, require to be processed into cyclic group body 3 according to drawing, its endoporus and outer shroud are carried out built-up welding, form overlay cladding 2, hardfacing materials is the rich chromium cast iron flux cored wire, and electric current is 150A, built-up welding thickness is 3.5mm, and hardness is greater than HRC55.The cooling back is at the circular groove 5 of big end surface processing tungsten carbide button, with the rich chromium cast iron flux cored wire the non-slot part of big end surface is carried out built-up welding again, form wearing layer 1, built-up welding thickness is 3mm, carry out the copper brazing cemented carbide then: earlier carbide ring 4 (also can be hard alloy blocks) is put into circular groove 5, carry out integral body then and be preheated to 600 ℃, carry out copper brazing with oxy-acetylene flame, brazing temperature is 1000 ℃.
Claims (9)
1, a kind of wearable shockproof cutting ring comprises the cyclic group body, is covered with overlay cladding on the endoporus of described cyclic group body and the outer ring surface, it is characterized in that the big end surface of described cyclic group body is coated with wearing layer; Or offer circular groove on the big end surface of described cyclic group body, and being inlaid with carbide ring or piece in the described circular groove, the non-slot part of big end surface is coated with wearing layer.
2, a kind of manufacture method of wearable shockproof cutting ring as claimed in claim 1 is characterized in that its process step is:
(1). process the cyclic group body with middle-carbon steel or low carbon steel, with endoporus and the outer ring surface built-up welding overlay cladding of hardfacing materials to the cyclic group body,
(2). to applying abrasion resistance alloy powder or hardfacing materials on the whole big end surface, form wearing layer;
Or its process step is:
(1). process the cyclic group body with middle-carbon steel or low carbon steel, with endoporus and the outer ring surface built-up welding overlay cladding of hardfacing materials to the cyclic group body, the cooling back processes circular groove in big end surface,
(2). the non-slot part of whole big end surface is applied abrasion resistance alloy powder or hardfacing materials, form wearing layer,
(3). carbide filler is welded in the circular groove.
3, the manufacture method of wearable shockproof cutting ring according to claim 2 is characterized in that described built-up welding thickness is 1～4mm, and surfacing hardness is greater than HRC55.
4,, it is characterized in that described hardfacing materials is carbide reactor welding rod, rich chromium cast iron surfacing electrode, cemented carbide flux cored wire or rich chromium cast iron flux cored wire according to the manufacture method of claim 2 or 3 described wearable shockproof cutting rings.
5,, it is characterized in that the coating of described abrasion resistance alloy powder comprises spraying or spray fusing or built-up welding according to the manufacture method of claim 2 or 3 described wearable shockproof cutting rings.
6, the manufacture method of wearable shockproof cutting ring according to claim 5, it is characterized in that described spray fusing technology is: with oxy-acetylene flame big end surface is preheated to 600～700 ℃ earlier, with oxy-acetylene flame the abrasion resistance alloy powder is carried out spray fusing then, the pressure of acetylene cylinder transfers to 0.10～0.15MPa, the pressure of oxygen cylinder transfers to 0.5～0.8MPa, and the thickness of spray fusing is 2～5mm.
7, the manufacture method of wearable shockproof cutting ring according to claim 5 is characterized in that described spraying coating process is: voltage 25～35V, and electric current 160A, air pressure is 0.2～0.6Mpa, spray distance 120～150mm, coating thickness are 2～5mm.
8,, it is characterized in that described abrasion resistance alloy powder comprises chromium based wear-resistant alloy powder, nickel-base antiwear alloyed powder, nickel chromium triangle based wear-resistant alloy powder, tungsten carbide-base abrasion resistance alloy powder or chromium nickel-molybdenum alloy powder according to the manufacture method of claim 2 or 3 described wearable shockproof cutting rings.
9, the manufacture method of wearable shockproof cutting ring according to claim 5 is characterized in that described abrasion resistance alloy powder comprises chromium based wear-resistant alloy powder, nickel-base antiwear alloyed powder, nickel chromium triangle based wear-resistant alloy powder, tungsten carbide-base abrasion resistance alloy powder or chromium nickel-molybdenum alloy powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610136945 CN1995755A (en) | 2006-12-26 | 2006-12-26 | Wearable shockproof cutting ring and method for making same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610136945 CN1995755A (en) | 2006-12-26 | 2006-12-26 | Wearable shockproof cutting ring and method for making same |
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| CN1995755A true CN1995755A (en) | 2007-07-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837499A (en) * | 2010-06-18 | 2010-09-22 | 武汉市琦晟机械有限公司 | Electric welding method for hard alloy and steel |
| CN102297125A (en) * | 2011-08-08 | 2011-12-28 | 湘潭大唐焊接材料有限公司 | Wear resistant cutting ring and manufacturing method thereof |
| CN102305210A (en) * | 2011-08-08 | 2012-01-04 | 湘潭大唐焊接材料有限公司 | Wear-resistant eyeglasses plate and manufacturing method thereof |
| CN101633112B (en) * | 2008-07-25 | 2012-09-26 | 赵建军 | Method for manufacturing wearable coating composite board |
| CN105888570A (en) * | 2016-06-21 | 2016-08-24 | 东营威玛石油钻具有限公司 | Washout preventing tool connector |
| CN114932374A (en) * | 2022-04-06 | 2022-08-23 | 豪利机械(苏州)有限公司 | Pressure cap machining and welding process |
-
2006
- 2006-12-26 CN CN 200610136945 patent/CN1995755A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633112B (en) * | 2008-07-25 | 2012-09-26 | 赵建军 | Method for manufacturing wearable coating composite board |
| CN101837499A (en) * | 2010-06-18 | 2010-09-22 | 武汉市琦晟机械有限公司 | Electric welding method for hard alloy and steel |
| CN101837499B (en) * | 2010-06-18 | 2011-12-07 | 武汉市琦晟机械有限公司 | Electric welding method for hard alloy and steel |
| CN102297125A (en) * | 2011-08-08 | 2011-12-28 | 湘潭大唐焊接材料有限公司 | Wear resistant cutting ring and manufacturing method thereof |
| CN102305210A (en) * | 2011-08-08 | 2012-01-04 | 湘潭大唐焊接材料有限公司 | Wear-resistant eyeglasses plate and manufacturing method thereof |
| CN102305210B (en) * | 2011-08-08 | 2015-09-16 | 湘潭大唐焊接材料有限公司 | Anti-wear wear plate and manufacture method thereof |
| CN102297125B (en) * | 2011-08-08 | 2015-09-16 | 湘潭大唐焊接材料有限公司 | Wearing-cutting ring and manufacture method thereof |
| CN105888570A (en) * | 2016-06-21 | 2016-08-24 | 东营威玛石油钻具有限公司 | Washout preventing tool connector |
| CN114932374A (en) * | 2022-04-06 | 2022-08-23 | 豪利机械(苏州)有限公司 | Pressure cap machining and welding process |
| CN114932374B (en) * | 2022-04-06 | 2024-01-23 | 豪利机械(苏州)有限公司 | Pressure cap processing and welding process |
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