CN105983834A - Method for machining hub of motorcycle - Google Patents
Method for machining hub of motorcycle Download PDFInfo
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- CN105983834A CN105983834A CN201510049348.4A CN201510049348A CN105983834A CN 105983834 A CN105983834 A CN 105983834A CN 201510049348 A CN201510049348 A CN 201510049348A CN 105983834 A CN105983834 A CN 105983834A
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Abstract
The invention discloses a method for machining a hub of a motorcycle. The method for machining the hub of the motorcycle is characterized by comprising the following steps: carrying out molten aluminum smelting, refiner refining, workblank casting, riser cutting, bottom hole drilling, air tap hole drilling, grinding, flaw detection, heat treatment, machining and coating by using an induction furnace. Contents of magnesium and iron are reduced, burning loss is not easily caused in smelting, materials are toughened and cannot be broken easily, and owing to reduction of the content of silicon and increasing of the tensile strength, the performance of a casting is stable; and during casting, gravity casting replaces low-pressure casting, and because the cost of a gravity casting machine is low and the cost of a die is correspondingly low, the machining cost can be greatly reduced.
Description
Technical field
The processing method that the present invention relates to a kind of hub of motorcycle.
Background technology
The raw material low pressure casting that existing wheel hub uses the trade mark to be ADC12 forms, the chemical composition of its raw material ADC12 is: about Si:8.5-11.5%, below Fe:0.5%, below Mg:0.45%, Zn:0.2%, Al:82%, magnesium, ferrum, Zn content are many, melting easily occurs scaling loss, and texture material is crisp, easy fracture；And silicone content is many, fusing point is low, and tensile strength does not reaches requirement；And the casting tool cost of low pressure casting is high, cause casting added cost.
Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide the processing method of a kind of hub of motorcycle, and this processing method technique is simple, can reduce cost.
For achieving the above object, the processing method that the invention provides a kind of hub of motorcycle, it is characterized in that: it comprises the following steps, carry out aluminum liquid melting → refiner refine → blank casting → cut rising head → brill bottom outlet → brill air nozzle hole → polishing → flaw detection → heat treatment → machining → application by induction furnace.
Further, in aluminum liquid melting, the content Si:7.5%～8.5% of each Main Ingredients and Appearance, below Fe:0.35%, below Mg:0.15%-0.25%, Zn:0.2%-0.25%, surplus is Al, above-mentioned all composition sums are 100%, aluminum liquid smelting temperature is 755 ± 10 DEG C, and blank casting uses gravitational casting.
Further, after heat treatment hardness HB70～95, tensile strength >=225MPa, elongation percentage >=8.2%.
The invention has the beneficial effects as follows: magnesium of the present invention, iron content reduce, be difficult to occur scaling loss in melting, and texture material becomes tough, not easy fracture, the minimizing of silicone content, tensile strength increases, and result in cast properties stable；And substitute low pressure casting with gravitational casting when casting, due to Gravity casting machines low cost, the cost of mould is the most relatively low, and processing cost so can be greatly reduced.
Detailed description of the invention
The course of processing of the present invention is described below: in aluminum liquid melting, a kind of processing method of hub of motorcycle, it is characterized in that: it comprises the following steps, carry out aluminum liquid melting → refiner refine → blank casting → cut rising head → brill bottom outlet → brill air nozzle hole → polishing → flaw detection → heat treatment → machining → application by induction furnace.
Further, in aluminum liquid melting, content Si:8%, Fe:0.25%, below Mg:0.25%, Zn:0.23% of each Main Ingredients and Appearance, surplus is Al, above-mentioned all composition sums are 100%, and aluminum liquid smelting temperature is 755 ± 10 DEG C, and blank casting uses gravitational casting.
Further, after heat treatment hardness HB70～95, tensile strength >=225MPa, elongation percentage >=8.2%.
Magnesium of the present invention, iron content reduce, and are difficult to occur scaling loss in melting, and texture material becomes tough, not easy fracture, the minimizing of silicone content, and tensile strength increases, and result in cast properties stable；And substitute low pressure casting with gravitational casting when casting, due to Gravity casting machines low cost, the cost of mould is the most relatively low, and processing cost so can be greatly reduced.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to the design of the present invention without creative work.Therefore, all technical staff in the art, all should be in the protection domain being defined in the patent claims the most on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (2)
1. the processing method of a hub of motorcycle, it is characterized in that: it comprises the following steps, carry out aluminum liquid melting → refiner refine → blank casting → cut rising head → brill bottom outlet → brill air nozzle hole → polishing → flaw detection → heat treatment → machining → application by induction furnace.
The processing method of hub of motorcycle the most according to claim 1, it is characterised in that: after heat treatment hardness HB70～95, tensile strength >=225MPa, elongation percentage >=8.2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049348.4A CN105983834A (en) | 2015-01-31 | 2015-01-31 | Method for machining hub of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510049348.4A CN105983834A (en) | 2015-01-31 | 2015-01-31 | Method for machining hub of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105983834A true CN105983834A (en) | 2016-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510049348.4A Pending CN105983834A (en) | 2015-01-31 | 2015-01-31 | Method for machining hub of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105983834A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363475A (en) * | 2017-07-12 | 2017-11-21 | 安徽凯密克企业管理咨询有限公司 | A kind of Automobile steel ring processing technology |
| CN110666188A (en) * | 2019-09-19 | 2020-01-10 | 浙江今飞汽摩配技术研究院有限公司 | Machining process and manufacturing process of hub |
-
2015
- 2015-01-31 CN CN201510049348.4A patent/CN105983834A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363475A (en) * | 2017-07-12 | 2017-11-21 | 安徽凯密克企业管理咨询有限公司 | A kind of Automobile steel ring processing technology |
| CN110666188A (en) * | 2019-09-19 | 2020-01-10 | 浙江今飞汽摩配技术研究院有限公司 | Machining process and manufacturing process of hub |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161005 |