CN105670208A - Novel automobile synchronizer hub and preparation method thereof - Google Patents
Novel automobile synchronizer hub and preparation method thereof Download PDFInfo
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- CN105670208A CN105670208A CN201610097023.8A CN201610097023A CN105670208A CN 105670208 A CN105670208 A CN 105670208A CN 201610097023 A CN201610097023 A CN 201610097023A CN 105670208 A CN105670208 A CN 105670208A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/006—Pressing and sintering powders, granules or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a novel automobile synchronizer hub and a preparation method thereof. The synchronizer hub is prepared from, by mass, 25-55 parts of ABS resin powder, 70-120 parts of iron powder, 10-30 parts of nanometer calcium sulfate, 3-12 parts of graphite powder, 12-22 parts of rutile type titanium dioxide, 3-15 parts of chromium powder, 3-12 parts of zinc powder, 1-8 parts of lanthanum chloride, 3-12 parts of manganese dioxide, 3-12 parts of cobalt powder and 1-10 parts of dialkylthiophosphoric acid molybdenum. The raw materials are subjected to ball milling, compression molding, high-temperature calcination, high temperature steam treatment, oil-impregnated treatment and setting processing, and the novel automobile synchronizer hub is obtained. According to the synchronizer hub, the compactness is high, the compressive strength and the fracture toughness are excellent, the abrasion resistance is excellent, and the synchronizer hub is very ideal.
Description
Technical field
The present invention relates to automobile synchronizer technical field, specifically a kind of Novel automobile synchronizer wheel hub and preparation method thereof.
Background technology
Automobile synchronizer is the machinery inconsistent in order to solve automobile engine speed and change speed gear box rotating speed in gear shift operation, he can be effectively prevented from hanging do not perform, gear whine etc. when eliminating gearshift. The effect of lock unit is very apparent, owing to clutch end gear rotational speed will faster than the gear changing to this gear at once time that is exactly shift gears, without lock unit, the gear that one is rotated at a slow speed is filled in the gear of a high speed rotating by force, is certain to the phenomenon occurring to beat tooth. The ultimate principle of lock unit, is that the conical surface by synchronous ring rubs between two gears, makes fast slowing down, slow quickening. After reaching synchronization, gear ring just can be made to engage. Lock unit wheel hub is exactly the parts in lock unit with gear ring and cone of friction. Owing to lock unit is that frictionally principle reaches synchronous effect, so the performance requirement for lock unit is comparatively strict. General automobile synchronizer wheel hub and ring gear adopt special metal material, Special Processes of Metal Castings method, and extraordinary forging processes, and product has the features such as high intensity, high abrasion, high tenacity.
Summary of the invention
It is an object of the invention to provide a kind of Novel automobile synchronizer wheel hub possessing higher compactness and comprcssive strength and fracture toughness comparatively excellence and preparation method thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of Novel automobile synchronizer wheel hub, employing following raw materials according is made, and raw material includes according to mass parts: ABS resin powder 25-55 part, iron powder 70-120 part, nanometer calcium sulfate 10-30 part, graphite powder 3-12 part, Rutile type titanium dioxide 12-22 part, chromium powder 3-15 part, zinc powder 3-12 part, lanthanum trichloride 1-8 part, manganese dioxide 3-12 part, cobalt powder 3-12 part, sulfur molybdenum phosphate 1-10 part.
As the further scheme of the present invention: described Novel automobile synchronizer wheel hub, employing following raw materials according is made, and raw material includes according to mass parts: ABS resin powder 30-50 part, iron powder 80-110 part, nanometer calcium sulfate 15-25 part, graphite powder 5-10 part, Rutile type titanium dioxide 15-19 part, chromium powder 5-12 part, zinc powder 5-10 part, lanthanum trichloride 3-6 part, manganese dioxide 5-10 part, cobalt powder 5-10 part, sulfur molybdenum phosphate 3-8 part.
As the further scheme of the present invention: described Novel automobile synchronizer wheel hub, employing following raw materials according is made, and raw material includes according to mass parts: ABS resin powder 35-45 part, iron powder 90-100 part, nanometer calcium sulfate 18-22 part, graphite powder 6-8 part, Rutile type titanium dioxide 16-18 part, chromium powder 8-10 part, zinc powder 5-10 part, lanthanum trichloride 3-6 part, manganese dioxide 5-10 part, cobalt powder 5-10 part, sulfur molybdenum phosphate 3-8 part.
The preparation method of described Novel automobile synchronizer wheel hub, comprises the following steps:
(1) ABS resin powder, iron powder, nanometer calcium sulfate, graphite powder, Rutile type titanium dioxide, chromium powder, zinc powder, lanthanum trichloride, manganese dioxide, cobalt powder, sulfur molybdenum phosphate are sequentially placed in ball mill after weighing according to weight portion, carry out ball milling mixing, take out after mix homogeneously;
(2) powder of mix homogeneously in step (1) being put into mould and carry out compression molding, molding pressure is 240-400MPa, takes out, obtain blank after compression molding;
(3) blank that step (2) obtains is carried out high-temperature calcination under ar gas environment, temperature 800-1600 DEG C, pressure 400-900MPa, time 4-8h, calcining is taken out after terminating, and cooling obtains prefabricated component;
(4) prefabricated component that step (3) obtains is processed 3-5h in high-temperature steam, temperature 300-600 DEG C;
(5) step (4) is put in lubricating oil through the prefabricated component of high temperature steam treatment, carry out immersion oil process, time 8-12h;
(6) prefabricated component that step (5) processes through immersion oil is put in shaping mould, carry out patterning process, namely obtain Novel automobile synchronizer wheel hub.
As the further scheme of the present invention: molding pressure is 250-375MPa.
As the further scheme of the present invention: temperature during high-temperature calcination is 900-1550 DEG C, pressure is 500-800MPa.
As the further scheme of the present invention: prefabricated component treatment temperature in high-temperature steam is 350-560 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
Lock unit wheel hub provided by the invention possesses higher compactness, and comprcssive strength and fracture toughness are comparatively excellent, and meanwhile, anti-wear performance is excellent, is a kind of ideal lock unit wheel hub.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of Novel automobile synchronizer wheel hub, employing following raw materials according is made, and raw material includes according to mass parts: 25 parts of ABS resin powder, iron powder 70 parts, nanometer calcium sulfate 10 parts, graphite powder 3 parts, Rutile type titanium dioxide 12 parts, chromium powder 3 parts, zinc powder 3 parts, lanthanum trichloride 1 part, manganese dioxide 3 parts, cobalt powder 3 parts, sulfur molybdenum phosphate 1 part.
The preparation method of described Novel automobile synchronizer wheel hub, comprises the following steps:
(1) ABS resin powder, iron powder, nanometer calcium sulfate, graphite powder, Rutile type titanium dioxide, chromium powder, zinc powder, lanthanum trichloride, manganese dioxide, cobalt powder, sulfur molybdenum phosphate are sequentially placed in ball mill after weighing according to weight portion, carry out ball milling mixing, take out after mix homogeneously.
(2) powder of mix homogeneously in step (1) being put into mould and carry out compression molding, molding pressure is 240MPa, takes out, obtain blank after compression molding.
(3) blank that step (2) obtains carrying out high-temperature calcination under ar gas environment, temperature 800 DEG C, pressure 400MPa, time 4h, calcining is taken out after terminating, and cooling obtains prefabricated component.
(4) prefabricated component that step (3) obtains is processed 3h, temperature 300 DEG C in high-temperature steam.
(5) step (4) is put in lubricating oil through the prefabricated component of high temperature steam treatment, carry out immersion oil process, time 8h.
(6) prefabricated component that step (5) processes through immersion oil is put in shaping mould, carry out patterning process, namely obtain Novel automobile synchronizer wheel hub.
Embodiment 2
In the embodiment of the present invention, a kind of Novel automobile synchronizer wheel hub, employing following raw materials according is made, and raw material includes according to mass parts: 55 parts of ABS resin powder, iron powder 120 parts, nanometer calcium sulfate 30 parts, graphite powder 12 parts, Rutile type titanium dioxide 22 parts, chromium powder 15 parts, zinc powder 12 parts, lanthanum trichloride 8 parts, manganese dioxide 12 parts, cobalt powder 12 parts, sulfur molybdenum phosphate 10 parts.
The preparation method of described Novel automobile synchronizer wheel hub, comprises the following steps:
(1) ABS resin powder, iron powder, nanometer calcium sulfate, graphite powder, Rutile type titanium dioxide, chromium powder, zinc powder, lanthanum trichloride, manganese dioxide, cobalt powder, sulfur molybdenum phosphate are sequentially placed in ball mill after weighing according to weight portion, carry out ball milling mixing, take out after mix homogeneously.
(2) powder of mix homogeneously in step (1) being put into mould and carry out compression molding, molding pressure is 400MPa, takes out, obtain blank after compression molding.
(3) blank that step (2) obtains carrying out high-temperature calcination under ar gas environment, temperature 1600 DEG C, pressure 900MPa, time 8h, calcining is taken out after terminating, and cooling obtains prefabricated component.
(4) prefabricated component that step (3) obtains is processed 5h, temperature 600 DEG C in high-temperature steam.
(5) step (4) is put in lubricating oil through the prefabricated component of high temperature steam treatment, carry out immersion oil process, time 12h.
(6) prefabricated component that step (5) processes through immersion oil is put in shaping mould, carry out patterning process, namely obtain Novel automobile synchronizer wheel hub.
Embodiment 3
In the embodiment of the present invention, a kind of Novel automobile synchronizer wheel hub, employing following raw materials according is made, and raw material includes according to mass parts: 30 parts of ABS resin powder, iron powder 80 parts, nanometer calcium sulfate 15 parts, graphite powder 5 parts, Rutile type titanium dioxide 15 parts, chromium powder 5 parts, zinc powder 5 parts, lanthanum trichloride 3 parts, manganese dioxide 5 parts, cobalt powder 5 parts, sulfur molybdenum phosphate 3 parts.
The preparation method of described Novel automobile synchronizer wheel hub, comprises the following steps:
(1) ABS resin powder, iron powder, nanometer calcium sulfate, graphite powder, Rutile type titanium dioxide, chromium powder, zinc powder, lanthanum trichloride, manganese dioxide, cobalt powder, sulfur molybdenum phosphate are sequentially placed in ball mill after weighing according to weight portion, carry out ball milling mixing, take out after mix homogeneously.
(2) powder of mix homogeneously in step (1) being put into mould and carry out compression molding, molding pressure is 250MPa, takes out, obtain blank after compression molding.
(3) blank that step (2) obtains being carried out high-temperature calcination, temperature 900 DEG C under ar gas environment, pressure is 500MPa, time 5h, and calcining is taken out after terminating, and cooling obtains prefabricated component.
(4) prefabricated component that step (3) obtains is processed 3h, temperature 350 DEG C in high-temperature steam.
(5) step (4) is put in lubricating oil through the prefabricated component of high temperature steam treatment, carry out immersion oil process, time 9h.
(6) prefabricated component that step (5) processes through immersion oil is put in shaping mould, carry out patterning process, namely obtain Novel automobile synchronizer wheel hub.
Embodiment 4
In the embodiment of the present invention, a kind of Novel automobile synchronizer wheel hub, employing following raw materials according is made, and raw material includes according to mass parts: 50 parts of ABS resin powder, iron powder 110 parts, nanometer calcium sulfate 25 parts, graphite powder 10 parts, Rutile type titanium dioxide 19 parts, chromium powder 12 parts, zinc powder 10 parts, lanthanum trichloride 6 parts, manganese dioxide 10 parts, cobalt powder 10 parts, sulfur molybdenum phosphate 8 parts.
The preparation method of described Novel automobile synchronizer wheel hub, comprises the following steps:
(1) ABS resin powder, iron powder, nanometer calcium sulfate, graphite powder, Rutile type titanium dioxide, chromium powder, zinc powder, lanthanum trichloride, manganese dioxide, cobalt powder, sulfur molybdenum phosphate are sequentially placed in ball mill after weighing according to weight portion, carry out ball milling mixing, take out after mix homogeneously.
(2) powder of mix homogeneously in step (1) being put into mould and carry out compression molding, molding pressure is 375MPa, takes out, obtain blank after compression molding.
(3) blank that step (2) obtains being carried out high-temperature calcination, temperature 1550 DEG C under ar gas environment, pressure is 800MPa, time 8h, and calcining is taken out after terminating, and cooling obtains prefabricated component.
(4) prefabricated component that step (3) obtains is processed 5h, temperature 560 DEG C in high-temperature steam.
(5) step (4) is put in lubricating oil through the prefabricated component of high temperature steam treatment, carry out immersion oil process, time 11h.
(6) prefabricated component that step (5) processes through immersion oil is put in shaping mould, carry out patterning process, namely obtain Novel automobile synchronizer wheel hub.
Embodiment 5
In the embodiment of the present invention, a kind of Novel automobile synchronizer wheel hub, employing following raw materials according is made, and raw material includes according to mass parts: 35 parts of ABS resin powder, iron powder 90 parts, nanometer calcium sulfate 18 parts, graphite powder 6 parts, Rutile type titanium dioxide 16 parts, chromium powder 8 parts, zinc powder 5 parts, lanthanum trichloride 3 parts, manganese dioxide 5 parts, cobalt powder 5 parts, sulfur molybdenum phosphate 3 parts.
The preparation method of described Novel automobile synchronizer wheel hub, comprises the following steps:
(1) ABS resin powder, iron powder, nanometer calcium sulfate, graphite powder, Rutile type titanium dioxide, chromium powder, zinc powder, lanthanum trichloride, manganese dioxide, cobalt powder, sulfur molybdenum phosphate are sequentially placed in ball mill after weighing according to weight portion, carry out ball milling mixing, take out after mix homogeneously.
(2) powder of mix homogeneously in step (1) being put into mould and carry out compression molding, molding pressure is 275MPa, takes out, obtain blank after compression molding.
(3) blank that step (2) obtains being carried out high-temperature calcination, temperature 1550 DEG C under ar gas environment, pressure is 500MPa, time 6h, and calcining is taken out after terminating, and cooling obtains prefabricated component.
(4) prefabricated component that step (3) obtains is processed 3h, temperature 560 DEG C in high-temperature steam.
(5) step (4) is put in lubricating oil through the prefabricated component of high temperature steam treatment, carry out immersion oil process, time 12h.
(6) prefabricated component that step (5) processes through immersion oil is put in shaping mould, carry out patterning process, namely obtain Novel automobile synchronizer wheel hub.
The lock unit wheel hub that above-mentioned detailed description of the invention is obtained carries out the performance test of intensity and toughness etc., and result is as shown in table 1.
Table 1
| Embodiment | Consistency/% | Toughness/MPam1/2 | Hot strength |
| 1 | 96.5 | 7.9 | 650 |
| 2 | 96.8 | 8.0 | 660 |
| 3 | 96.9 | 8.0 | 680 |
| 4 | 97.1 | 8.1 | 700 |
| 5 | 97.2 | 8.2 | 710 |
The lock unit wheel hub that above-mentioned detailed description of the invention is obtained carries out bench test, measures the anti-wear performance of lock unit wheel hub, and result shows: after the wear test more than 180,000 times, and the lock unit wheel hub that embodiment 1-5 provides still can ensure that normal use.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. a Novel automobile synchronizer wheel hub, it is characterized in that, employing following raw materials according is made, and raw material includes according to mass parts: ABS resin powder 25-55 part, iron powder 70-120 part, nanometer calcium sulfate 10-30 part, graphite powder 3-12 part, Rutile type titanium dioxide 12-22 part, chromium powder 3-15 part, zinc powder 3-12 part, lanthanum trichloride 1-8 part, manganese dioxide 3-12 part, cobalt powder 3-12 part, sulfur molybdenum phosphate 1-10 part.
2. Novel automobile synchronizer wheel hub according to claim 1, it is characterized in that, employing following raw materials according is made, and raw material includes according to mass parts: ABS resin powder 30-50 part, iron powder 80-110 part, nanometer calcium sulfate 15-25 part, graphite powder 5-10 part, Rutile type titanium dioxide 15-19 part, chromium powder 5-12 part, zinc powder 5-10 part, lanthanum trichloride 3-6 part, manganese dioxide 5-10 part, cobalt powder 5-10 part, sulfur molybdenum phosphate 3-8 part.
3. Novel automobile synchronizer wheel hub according to claim 2, it is characterized in that, employing following raw materials according is made, and raw material includes according to mass parts: ABS resin powder 35-45 part, iron powder 90-100 part, nanometer calcium sulfate 18-22 part, graphite powder 6-8 part, Rutile type titanium dioxide 16-18 part, chromium powder 8-10 part, zinc powder 5-10 part, lanthanum trichloride 3-6 part, manganese dioxide 5-10 part, cobalt powder 5-10 part, sulfur molybdenum phosphate 3-8 part.
4. one kind as arbitrary in claim 1-3 as described in the preparation method of Novel automobile synchronizer wheel hub, it is characterised in that comprise the following steps:
(1) ABS resin powder, iron powder, nanometer calcium sulfate, graphite powder, Rutile type titanium dioxide, chromium powder, zinc powder, lanthanum trichloride, manganese dioxide, cobalt powder, sulfur molybdenum phosphate are sequentially placed in ball mill after weighing according to weight portion, carry out ball milling mixing, take out after mix homogeneously;
(2) powder of mix homogeneously in step (1) being put into mould and carry out compression molding, molding pressure is 240-400MPa, takes out, obtain blank after compression molding;
(3) blank that step (2) obtains is carried out high-temperature calcination under ar gas environment, temperature 800-1600 DEG C, pressure 400-900MPa, time 4-8h, calcining is taken out after terminating, and cooling obtains prefabricated component;
(4) prefabricated component that step (3) obtains is processed 3-5h in high-temperature steam, temperature 300-600 DEG C;
(5) step (4) is put in lubricating oil through the prefabricated component of high temperature steam treatment, carry out immersion oil process, time 8-12h;
(6) prefabricated component that step (5) processes through immersion oil is put in shaping mould, carry out patterning process, namely obtain Novel automobile synchronizer wheel hub.
5. the preparation method of Novel automobile synchronizer wheel hub according to claim 4, it is characterised in that molding pressure is 250-375MPa.
6. the preparation method of Novel automobile synchronizer wheel hub according to claim 4, it is characterised in that temperature during high-temperature calcination is 900-1550 DEG C, pressure is 500-800MPa.
7. the preparation method of Novel automobile synchronizer wheel hub according to claim 4, it is characterised in that prefabricated component treatment temperature in high-temperature steam is 350-560 DEG C.
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| CN201610097023.8A CN105670208A (en) | 2016-02-23 | 2016-02-23 | Novel automobile synchronizer hub and preparation method thereof |
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Application publication date: 20160615 |