CN104372248A - Bucket lip material for electric shovel and preparation method thereof - Google Patents
Bucket lip material for electric shovel and preparation method thereof Download PDFInfo
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- CN104372248A CN104372248A CN201410579867.7A CN201410579867A CN104372248A CN 104372248 A CN104372248 A CN 104372248A CN 201410579867 A CN201410579867 A CN 201410579867A CN 104372248 A CN104372248 A CN 104372248A
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- bucket lip
- power shovel
- steel plate
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Abstract
The invention relates to a bucket lip material for an electric shovel and a preparation method thereof. The bucket lip material for the electric shovel consists of the following ingredients: C, Si, Mn, P, S, Cr, Nb, Mo, W and the balance of Fe and a quite small amount of impurities. The preparation method comprises the following steps: preparing a steel plate by adopting a high-strength wear-resisting steel material; blanking according to the drawing size of a bucket lip body; performing brake forming; casting a plurality of tooth holders by adopting the high-strength wear-resisting steel material; respectively welding each tooth holder on the steel plate of the bucket lip body; mounting or welding one wear-resisting block on the steel plate of the bucket lip body as required. The bucket lip disclosed by the invention is high in quality, applicable to a tooth holder replaceable electric shovel (excavator), also simple to machine and low in cost.
Description
Technical field
The present invention relates to a kind of electric bucket lip materials and preparation method thereof, be specifically related to special bucket lip material of a kind of large-scale power shovel excavator and preparation method thereof.
Background technology
At present, the bucket lip of the large excavator designed by domestic and international power shovel manufacturing enterprise is " U " shape thin-wall construction substantially, and its fore portion is furnished with the toothholder of multiple installation bucket tooth.Because bucket lip requires to have high-strength abrasion-proof performance, therefore the stainless steel integrated casting of general employing forms, and this bucket lip in actual applications, there is following problem and shortcoming: (1), the physical dimension of lip is large owing to struggling against, wall thickness is little, and make foundry pattern large, manufacturing cost is high.(2), large-scale cast member easily produces casting flaw when producing.(3), in order to ensure that bucket tooth can be installed firmly, require higher to the size power shovel degree of toothholder part, and massive casting being processed constantly in production and power shovel, being difficult to the precision ensureing local size.(4), because toothholder is stressed comparatively large, toothholder part is especially easily damaged, and toothholder damage will cause the entirety of bucket lip to be scrapped simultaneously, and running cost is high, less economical.Therefore enterprise needs to be improved the quality of products by technological innovation, improves the market competitiveness.
Summary of the invention
Goal of the invention: object of the present invention is exactly for the deficiencies in the prior art, and provide that a kind of bucket lip quality is high, the removable power shovel of toothholder (excavator) bucket lip, and simple and power shovel bucket lip material that cost is low and preparation method thereof of working method.
Technical scheme: in order to solve the problems of the technologies described above, a kind of power shovel bucket lip material of the present invention, this power shovel with bucket lip material by weight percentage, be made up of following component: C:0.35-0.45%, Si:0.65-0.85%, Mn:0.75-0.85%, P :≤0.040%, S :≤0.020%, Cr:13.5-14.5%, Nb:0.15-0.25%, Mo:0.25-0.45%, W:0.60-1.40%, surplus is the impurity of Fe and minute quantity.
Preferably, this power shovel with bucket lip material by weight percentage, be made up of following component: C:0.36-0.40%, Si:0.70-0.80%, Mn:0.76-0.84%, P :≤0.040%, S :≤0.020%, Cr:13.6-14.4%, Nb:0.16-0.22%, Mo:0.30-0.40%, W:0.80-1.30%, surplus is the impurity of Fe and minute quantity.
Preferably, this power shovel with bucket lip material by weight percentage, be made up of following component: C:0.38%, Si:0.75%, Mn:0.80%, P :≤0.040%, S :≤0.020%, Cr:14.0%, Nb:0.20%, Mo:0.35%, W:1.00%, surplus is the impurity of Fe and minute quantity.
A kind of power shovel bucket lip preparation method, it comprises the steps:
(1) above-mentioned high-strength abrasion-proof steel is adopted to make steel plate, according to bucket lip body drawing measure, brake forming;
(2) above-mentioned several toothholders of high-strength abrasion-proof steel cast are adopted;
(3) respectively each toothholder is welded on bucket lip body steel plate;
(4) as required, described bucket lip body steel plate installed or weld one piece of wear-resistant block.
Beneficial effect: compared with prior art, its remarkable advantage is in the present invention: this product abrasive wear resistance is high; Power shovel bucket lip body high-strength abrasion-proof steel of the present invention makes steel plate, not only eliminates the defect of product in casting, improves yield rate and the quality product of product; And when actual production and precision work, only toothholder is cast, do not need to manufacture massive casting model, effectively reduce production cost, shorten the production cycle.Toothholder of the present invention is small-sized foundry goods simultaneously, and a model can manufacture multiple toothholder, and precision and quality all easily control.In addition, toothholder of the present invention adopts welding-on to install, and has interchangeability, and the damage of toothholder can not cause bucket lip entirety to be scrapped.
Accompanying drawing explanation
Fig. 1 is the structural representation of power shovel bucket lip of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment 1:
As shown in Figure 1, a kind of power shovel bucket lip material of the present invention, this power shovel bucket lip material is made up of following component by weight percentage, C:0.36%, Si:0.70%, Mn:0.78%, P :≤0.040%, S :≤0.020%, Cr:13.8%, Nb:0.18%, Mo:0.30%, W:0.80%, surplus is the impurity of Fe and minute quantity.
A kind of power shovel bucket lip working method, it comprises the steps:
(1) above-mentioned high-strength abrasion-proof steel is adopted to make steel plate, according to bucket lip body drawing measure, brake forming;
(2) above-mentioned several toothholders of high-strength abrasion-proof steel cast are adopted;
(3) respectively each toothholder is welded on bucket lip body steel plate;
(4) as required, described bucket lip body steel plate installed or weld one piece of wear-resistant block.
Embodiment 2:
As shown in Figure 1, a kind of power shovel bucket lip material of the present invention, this power shovel bucket lip material is made up of following component by weight percentage, C:0.40%, Si:0.78%, Mn:0.78%, P :≤0.040%, S :≤0.020%, Cr:14.2%, Nb:0.22%, Mo:0.40%, W:1.10%, surplus is the impurity of Fe and minute quantity.
A kind of power shovel bucket lip working method, it comprises the steps:
(1) above-mentioned high-strength abrasion-proof steel is adopted to make steel plate, according to bucket lip body drawing measure, brake forming;
(2) above-mentioned several toothholders of high-strength abrasion-proof steel cast are adopted;
(3) respectively each toothholder is welded on bucket lip body steel plate;
(4) as required, described bucket lip body steel plate installed or weld one piece of wear-resistant block.
Embodiment 3:
As shown in Figure 1, a kind of power shovel bucket lip material of the present invention, this power shovel bucket lip material is made up of following component by weight percentage, C:0.43%, Si:0.82%, Mn:0.83%, P :≤0.040%, S :≤0.020%, Cr:14.4%, Nb:0.24%, Mo:0.44%, W:1.30%, surplus is Fe and inevitable impurity.
A kind of power shovel bucket lip working method, it comprises the steps:
(1) above-mentioned high-strength abrasion-proof steel is adopted to make steel plate, according to bucket lip body drawing measure, brake forming;
(2) above-mentioned several toothholders of high-strength abrasion-proof steel cast are adopted;
(3) respectively each toothholder is welded on bucket lip body steel plate;
(4) as required, described bucket lip body steel plate installed or weld one piece of wear-resistant block.
The power shovel bucket lip that the present invention produces, adopt high-strength abrasion-proof steel to make steel plate, eliminate the defect of casting, abrasive wear resistance is high, improves the yield rate of product; Simultaneously when actual production and product precision work, only toothholder is cast, do not need to manufacture massive casting model, reduce production cost, shorten the production cycle; Toothholder of the present invention is small-sized foundry goods, and a model can manufacture multiple toothholder, and precision and quality easily control; Toothholder of the present invention adopts welding-on to install, and has interchangeability, and the damage of toothholder can not cause bucket lip entirety to be scrapped.
The invention provides a kind of thinking and method; the method and access of this technical scheme of specific implementation is a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art, under the premise without departing from the principles of the invention, some improvements and modifications can also be made; these improvements and modifications also should be considered as protection scope of the present invention, and all available prior art of each integral part not clear and definite in the present embodiment is realized.
Claims (4)
1. a power shovel bucket lip material, is characterized in that: this power shovel bucket lip material by weight percentage, is made up of following component, C:0.35-0.45%, Si:0.65-0.85%, Mn:0.75-0.85%, P :≤0.040%, S :≤0.020%, Cr:13.5-14.5%, Nb:0.15-0.25%, Mo:0.25-0.45%, W:0.60-1.40%, surplus is the impurity of Fe and minute quantity.
2. a kind of power shovel bucket lip material according to claim 1, is characterized in that: preferably, and this power shovel bucket lip material is made up of following component by weight percentage, C:0.36-0.40%, Si:0.70-0.80%, Mn:0.76-0.84%, P :≤0.040%, S :≤0.020%, Cr:13.6-14.4%, Nb:0.16-0.22%, Mo:0.30-0.40%, W:0.80-1.30%, surplus is the impurity of Fe and minute quantity.
3. a kind of power shovel bucket lip material according to claim 1, is characterized in that: preferably, and this power shovel bucket lip material is made up of following component by weight percentage, C:0.38%, Si:0.75%, Mn:0.80%, P :≤0.040%, S :≤0.020%, Cr:14.0%, Nb:0.20%, Mo:0.35%, W:1.00%, surplus is Fe and inevitable impurity.
4. the power shovel bucket lip preparation method according to claim 1 or 2 or 3, is characterized in that: it comprises the steps:
(1) above-mentioned high-strength abrasion-proof steel is adopted to make steel plate, according to bucket lip body drawing measure, brake forming;
(2) above-mentioned several toothholders of high-strength abrasion-proof steel cast are adopted;
(3) respectively each toothholder is welded on bucket lip body steel plate;
(4) as required, described bucket lip body steel plate installed or weld one piece of wear-resistant block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579867.7A CN104372248A (en) | 2014-10-24 | 2014-10-24 | Bucket lip material for electric shovel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579867.7A CN104372248A (en) | 2014-10-24 | 2014-10-24 | Bucket lip material for electric shovel and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104372248A true CN104372248A (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410579867.7A Pending CN104372248A (en) | 2014-10-24 | 2014-10-24 | Bucket lip material for electric shovel and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154739A (en) * | 2015-08-22 | 2015-12-16 | 永仁力鑫钒钛低铬合金球有限公司 | Wear-resisting and corrosion-resisting alloy for bucket teeth and preparing method of wear-resisting and corrosion-resisting alloy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281012A (en) * | 1975-12-29 | 1977-07-07 | Nihon Cement | Wear ressistance high cr steel |
| CN101967837A (en) * | 2010-09-13 | 2011-02-09 | 江苏宜鹏锻压机械制造有限公司 | Bucket lip of excavator and manufacturing method thereof |
| CN103789634A (en) * | 2012-10-29 | 2014-05-14 | 无锡市锡山区鹅湖镇荡口青荡金属制品厂 | Stainless steel used for digging buckets |
| CN103789635A (en) * | 2012-10-29 | 2014-05-14 | 无锡市锡山区鹅湖镇荡口青荡金属制品厂 | Preparation method of stainless steel used for digging buckets |
-
2014
- 2014-10-24 CN CN201410579867.7A patent/CN104372248A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5281012A (en) * | 1975-12-29 | 1977-07-07 | Nihon Cement | Wear ressistance high cr steel |
| CN101967837A (en) * | 2010-09-13 | 2011-02-09 | 江苏宜鹏锻压机械制造有限公司 | Bucket lip of excavator and manufacturing method thereof |
| CN103789634A (en) * | 2012-10-29 | 2014-05-14 | 无锡市锡山区鹅湖镇荡口青荡金属制品厂 | Stainless steel used for digging buckets |
| CN103789635A (en) * | 2012-10-29 | 2014-05-14 | 无锡市锡山区鹅湖镇荡口青荡金属制品厂 | Preparation method of stainless steel used for digging buckets |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154739A (en) * | 2015-08-22 | 2015-12-16 | 永仁力鑫钒钛低铬合金球有限公司 | Wear-resisting and corrosion-resisting alloy for bucket teeth and preparing method of wear-resisting and corrosion-resisting alloy |
| CN105154739B (en) * | 2015-08-22 | 2017-05-24 | 永仁力鑫钒钛低铬合金球有限公司 | Wear-resisting and corrosion-resisting alloy for bucket teeth and preparing method of wear-resisting and corrosion-resisting alloy |
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Application publication date: 20150225 |
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