CN103587577A - Manufacturing process of high-strength low-alloy cast steel forklift steering axle - Google Patents
Manufacturing process of high-strength low-alloy cast steel forklift steering axle Download PDFInfo
- Publication number
- CN103587577A CN103587577A CN201310396916.9A CN201310396916A CN103587577A CN 103587577 A CN103587577 A CN 103587577A CN 201310396916 A CN201310396916 A CN 201310396916A CN 103587577 A CN103587577 A CN 103587577A
- Authority
- CN
- China
- Prior art keywords
- forklift steering
- strength low
- cast steel
- alloy cast
- preparation process
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention relates to the technical field of engineering machinery and industrial vehicles, particularly belongs to manufacturing of high-strength low-alloy cast steel forklift steering axles for forklifts, and discloses a manufacturing process of a high-strength low-alloy cast steel forklift steering axle. The complete CAE (computer aided engineering) technology is applied to structural design and optimization, process analysis, stress analysis and the like of the manufacturing process so as to achieve the objectives of lean design, simple and symmetrical product, protruding rib surface, much ribs and few surfaces, circular arc transition, weight reduction of details, safety and high efficiency and the like. The manufacturing process includes the following steps: 1), designing, 2), manufacturing a mold, 3), smelting and pouring, 4), normalizing, 5), inspecting, 6), detecting flaws, 7), correcting, 8), polishing, 9), painting, 10), finishing, 11), detecting and 12), assembling. By the manufacturing process, the problems such as breakage of the forklift steering axle, long construction period, low labor efficiency and high labor intensity of workers are solved, and good advancement, practicability and economic efficiency are realized.
Description
Technical field
The present invention relates to construction machinery and equipment and industrial vehicle technical field, specifically belong to the preparation of High-Strength Low-Alloy steel casting forklift steering axle body for fork truck.
Background technology
Forklift steering bridge had both played load-bearing effect in fork truck, played again steering-effecting, was parts important in fork truck.Existing forklift steering axle body, generally adopts steel welding construction part, and the process-cycle is long, production efficiency is low, and labor strength is large.Because not prison welding is solid and weld defect, there is the fault of forklift steering axle body fracture, there is potential safety hazard.The forklift steering axle body of domestic useful nodular iron casting, but the forklift steering axle body of use High-Strength Low-Alloy steel casting there is no relevant development report.
Summary of the invention
The technical problem to be solved in the present invention is to provide High-Strength Low-Alloy steel casting forklift steering axle body, has solved forklift steering axle body fracture, the problem such as the process-cycle is long, efficiency is low and labor strength is large.
For solving the problems of the technologies described above, the invention provides a kind of High-Strength Low-Alloy cast steel forklift steering bridge preparation process, described preparation technology comprises following technique: (1) design, (2) molding, (3) smelting and pouring, (4) normalizing, (5) check, (6) flaw detection, (7) correct, (8) polishing, (9) japanning, (10) fine limit work.
Preferably, design adopts the design of CAE technology lean.
Preferably, molding adopts melted module precise casting technology.
Preferably, the material of smelting and pouring is high strength low alloy steel, the yield strength σ s >=660N/mm2 of material, tensile strength sigma b >=850N/mm2, stretch ratio δ >=10%, impact absorbing energy >=30J.
Preferably, after normalizing, material hardness is HB207-280.
Preferably, flaw detection adopts magnetic particle inspection check implement and X ray real time imaging detection system, and the product of every batch 100% is detected a flaw, and detects external crack and cast inside defect.
Preferably, fine limit work adopts machining center to process.
CAE (Computer Aided Engineering) is a kind of numerical approximation analysis method of using the analytical calculations of mechanical property such as Computer Aided Solution complex engineering contacts with product structure intensity, rigidity, buckling stability, dynamic response, heat conduction, three-dimensional many bodies, elastoplasticity and the problems such as optimal design of structural behaviour.
Adopt the beneficial effect of technique scheme to be: High-Strength Low-Alloy steel casting forklift steering axle body of the present invention, adopt the design of CAE technology lean, adopt investment precision casting technology, there is size accurate, any surface finish, quality is light, the advantages such as intensity is high, good toughness; Solved forklift steering axle body fracture, the problem such as the process-cycle is long, efficiency is low and labor strength is large; Simple and direct well-balanced, the muscle face of product is outstanding, the few face of many muscle, arc transition, details loss of weight, safe and efficient etc., has good advance, practicality and economy.
The specific embodiment
Below technical scheme of the present invention is described, so that those skilled in the art understand.
A cast steel forklift steering bridge preparation process, described preparation technology comprises following technique: (1) design, (2) molding, (3) smelting and pouring, (4) normalizing, (5) check, (6) flaw detection, correct (7), (8) polishing, (9) japanning, (10) fine limit work.
Described design adopts the design of CAE technology lean.
Described molding adopts melted module precise casting technology, guarantees product size accurately and any surface finish.
The material of described smelting and pouring is high strength low alloy steel, the yield strength σ s >=660N/mm2 of material, tensile strength sigma b >=850N/mm2, stretch ratio δ >=10%, impact absorbing energy >=30J.
After described normalizing, material hardness is HB207-280.
Described flaw detection adopts magnetic particle inspection check implement and X ray real time imaging detection system, and the product of every batch 100% is detected a flaw, and detects external crack and cast inside defect, guarantees total product quality.
Described fine limit work adopts machining center to process, and guarantees dimensional accuracy and meets Geometrical Tolerance Principle.
Described ball blast adopts hook type shot-blast apparatus to remove the residual sand of product surface, oxide skin, eliminates casting stress.
Described rectification adopts accurate correcting technology to solve the distortion such as bending, distortion of product.
Above-mentioned to invention be exemplarily described; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as this non-essential improvement that has adopted method design of the present invention and technical scheme to carry out; or without improving, the design of invention and technical scheme are directly applied to other occasions, all within protection scope of the present invention.
Claims (7)
1. a High-Strength Low-Alloy cast steel forklift steering bridge preparation process, is characterized in that: described preparation technology comprises following technique: (1) design, (2) molding, (3) smelting and pouring, (4) normalizing, (5) check, (6) flaw detection, (7) correct, (8) polishing, (9) japanning, (10) fine limit work, (11) detect (12) assembling.
2. a kind of High-Strength Low-Alloy cast steel forklift steering bridge preparation process according to claim 1, is characterized in that: described design adopts the design of CAE technology lean.
3. a kind of High-Strength Low-Alloy cast steel forklift steering bridge preparation process according to claim 1, is characterized in that: described molding adopts melted module precise casting technology.
4. a kind of High-Strength Low-Alloy cast steel forklift steering bridge preparation process according to claim 1, it is characterized in that: the material of described smelting and pouring is high strength low alloy steel, the yield strength σ s >=660N/mm2 of material, tensile strength sigma b >=850N/mm2, stretch ratio δ >=10%, impact absorbing energy >=30J.
5. a kind of High-Strength Low-Alloy cast steel forklift steering bridge preparation process according to claim 1, is characterized in that: after described normalizing, material hardness is HB207-280.
6. a kind of High-Strength Low-Alloy cast steel forklift steering bridge preparation process according to claim 1, it is characterized in that: described flaw detection adopts magnetic particle inspection check implement and X ray real time imaging detection system, the product of every batch 100% is detected a flaw, detect external crack and cast inside defect.
7. a kind of High-Strength Low-Alloy cast steel forklift steering bridge preparation process according to claim 1, is characterized in that: described fine limit work adopts machining center to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310396916.9A CN103587577A (en) | 2013-09-04 | 2013-09-04 | Manufacturing process of high-strength low-alloy cast steel forklift steering axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310396916.9A CN103587577A (en) | 2013-09-04 | 2013-09-04 | Manufacturing process of high-strength low-alloy cast steel forklift steering axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103587577A true CN103587577A (en) | 2014-02-19 |
Family
ID=50077968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310396916.9A Pending CN103587577A (en) | 2013-09-04 | 2013-09-04 | Manufacturing process of high-strength low-alloy cast steel forklift steering axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103587577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001438A (en) * | 2016-05-26 | 2016-10-12 | 合肥和安机械制造有限公司 | Method for manufacturing alloy muffler of forklift |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123336A (en) * | 1994-11-23 | 1996-05-29 | 河北铸造厂 | Method for producing cast connecting rod of engine |
| CN101209486A (en) * | 2007-12-21 | 2008-07-02 | 上海沪临金属加工有限公司 | Method for preventing casting tooth surface from generating casting flaw in large-scale casting tooth casting parts |
| CN201158276Y (en) * | 2008-02-02 | 2008-12-03 | 刘传华 | Axle casing trailer of 18 tons |
| CN201224303Y (en) * | 2008-06-03 | 2009-04-22 | 赵广会 | Low-alloy steel cast automobile axle housing |
| CN102212755A (en) * | 2011-04-29 | 2011-10-12 | 山东蒙凌工程机械股份有限公司 | Low-alloy cast steel and application thereof in heavy lorry axle housing, raw materials and machining process |
-
2013
- 2013-09-04 CN CN201310396916.9A patent/CN103587577A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123336A (en) * | 1994-11-23 | 1996-05-29 | 河北铸造厂 | Method for producing cast connecting rod of engine |
| CN101209486A (en) * | 2007-12-21 | 2008-07-02 | 上海沪临金属加工有限公司 | Method for preventing casting tooth surface from generating casting flaw in large-scale casting tooth casting parts |
| CN201158276Y (en) * | 2008-02-02 | 2008-12-03 | 刘传华 | Axle casing trailer of 18 tons |
| CN201224303Y (en) * | 2008-06-03 | 2009-04-22 | 赵广会 | Low-alloy steel cast automobile axle housing |
| CN102212755A (en) * | 2011-04-29 | 2011-10-12 | 山东蒙凌工程机械股份有限公司 | Low-alloy cast steel and application thereof in heavy lorry axle housing, raw materials and machining process |
Non-Patent Citations (4)
| Title |
|---|
| 吴建勋: "叉车铸造转向桥体的CAE仿真分析", 《起重运输机械》 * |
| 沈晓雯等: "焊接式和铸造式叉车转向桥体的有限元分析", 《工程机械》 * |
| 王平,孙维乙,吴海曙,张冬林: "叉车铸造转向桥应用分析研究", 《工程机械》 * |
| 黄李丽,尹秉升,尹志新: "叉车转向桥的有限元分析", 《南方金属》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106001438A (en) * | 2016-05-26 | 2016-10-12 | 合肥和安机械制造有限公司 | Method for manufacturing alloy muffler of forklift |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103264266B (en) | Vehicle body end wall assembling and welding process | |
| CN100581717C (en) | Technique of hot rolled plate and linear cooling bed for manufacturing trolley track girder | |
| CN103587577A (en) | Manufacturing process of high-strength low-alloy cast steel forklift steering axle | |
| CN102628858B (en) | Method for analyzing internal defects of large forge piece | |
| CN205138869U (en) | Polish and roughness measurement device in steel sheet surface | |
| CN201803656U (en) | Device for detecting connecting bolts on bumper | |
| CN202877897U (en) | Material-saving processing center machine tool table | |
| CN206527527U (en) | A kind of lathe base | |
| CN103469191B (en) | A kind of painting dressing automobiles front surface process Phosphating Solution | |
| CN107717487A (en) | A kind of rail set of new clamping jaw transverse shifting | |
| CN201677149U (en) | Special tool for manufacturing transversal support of tooth rack in cooling table area | |
| CN203449851U (en) | Plate welding type driving axle housing assembly | |
| CN204892024U (en) | Wear -resisting steel ball of low pollution of environmental protection | |
| CN102632367A (en) | Novel processing technique of reinforcing steel bar cutting machine shell | |
| CN202510128U (en) | High-strength segment steel mould | |
| CN201931349U (en) | Intelligent processing robot with reinforced grinding performance | |
| CN204725054U (en) | A kind of crane welded grider frock | |
| CN203889919U (en) | Hoist trolley frame device with joint box | |
| CN202947591U (en) | Position degree detecting device | |
| CN202726563U (en) | Tool for machining crawler beam | |
| CN204344568U (en) | Hydraulic press master cylinder body piston rod blank main cylinder device | |
| CN204373968U (en) | For the preparation of the fixture of impact experiment sample | |
| CN215801031U (en) | Forge welding combined seat type cable scattering saddle structure for suspension bridge | |
| CN201000417Y (en) | Testing piece for measuring magnesium alloy peening intensity | |
| CN103846394B (en) | The benchmark of intricate casting casts out method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140219 |