CN110280973A - A kind of hydraulic cylinder manufacture method - Google Patents
A kind of hydraulic cylinder manufacture method Download PDFInfo
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- CN110280973A CN110280973A CN201910288472.4A CN201910288472A CN110280973A CN 110280973 A CN110280973 A CN 110280973A CN 201910288472 A CN201910288472 A CN 201910288472A CN 110280973 A CN110280973 A CN 110280973A
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- blank
- hydraulic cylinder
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- manufacture method
- heat preservation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
A kind of hydraulic cylinder manufacture method, comprising the following steps: S1 chooses suitable aluminum alloy materials, carries out blanking by lathe and forms blank；The mass percent of the aluminium alloy are as follows: 1~2 carbon, 2~3 silicon, 0.1~0.3 manganese, 0.05~0.15 phosphorus, 0.2~0.4 sulphur, 15~25 magnesium, 1~2 tin and 66~67 aluminium；S2 heat preservation a period of time；S3 takes out the hydraulic cylinder blank after heat preservation, is quickly placed in water, is quenched；After S4 quenching, blank taking-up is increased into its temperature again and carries out high tempering processing, heat preservation a period of time, carries out modifier treatment；S5 after blank is cooling, using X-ray detectoscope to inside blank defect and substance distribution effectively detected；S6 takes out the qualified blank of detection, carries out turning, shelf mouth, boring to predetermined accurate depth, the processing of flange seam allowance by lathe；S7 passes through drilling machine and grinding machine again and carries out bore hole or honing to blank, opens up hole card slot and internal and external threads.
Description
Technical field
The invention belongs to mechanical-hydraulic cylinder manufacturing technology fields, and in particular to a kind of hydraulic cylinder manufacture method.
Background technique
The application that mechanical-hydraulic cylinder is subject to is very big, therefore the quality of mechanical-hydraulic cylinder will have a direct impact on integrated machine
The stability and quality of tool structure.
Traditional mechanical-hydraulic cylinder generally uses gray cast iron to cast, but gray cast iron structural strength itself is not high, and tough
Property is poor, and when hydraulic cylinder encounters external impacts or a strong torque, hydraulic cylinder is easy to crack or even the feelings that crumble
Condition has seriously affected the job security of whole machinery, has also directly influenced its service life.
Summary of the invention
The purpose of the present invention is to provide a kind of hydraulic cylinder manufacture methods, to solve mentioned above in the background art ask
Topic.Especially propose a kind of hydraulic cylinder of mobile model, and stress is good, it is of fine quality light-weight.
To achieve the above object, the invention provides the following technical scheme:
A kind of hydraulic cylinder manufacture method, including processing the either cylinder, method includes the following steps:
S1, suitable aluminum alloy materials are chosen, blanking is carried out by lathe and forms blank；
S2, prepare a hydraulic cylinder casting mould, blank is placed in smelting furnace and reaches certain temperature, makes its thawing, then
In casting to hydraulic cylinder mold, heat preservation a period of time；
S3, the hydraulic cylinder blank after heat preservation is taken out, is quickly placed in water, is quenched；
After S4, quenching, blank taking-up is increased into its temperature again and carries out high tempering processing, heat preservation a period of time, is carried out
Modifier treatment；
S5, after blank is cooling, using X-ray detectoscope to inside blank defect and substance distribution effectively examined
It surveys；
S6, the qualified blank of detection is taken out, turning, shelf mouth, boring to predetermined accurate depth, flange seam allowance etc. is carried out by lathe
Reason；
S7, pass through drilling machine and grinding machine again to blank progress bore hole or honing, open up hole card slot and internal and external threads；
S8, brill hydraulic fluid port is carried out to blank by pincers worker；
S9, blank surface is processed by shot blasting using polishing machine；
S10, scrap on blank is cleaned out, cleans out the scrap on blank, blank is washed, then passes through pickling
Chromium metal, which makes it dissolve, to be tightly attached on blank inner wall, heat preservation a period of time；
S11, all through-holes of blank are loaded into matched component parts blocking, embryo material is all placed in water body, is utilized
Hydrostatic(al) process carries out airtightness detection；
S12, finished product packing, outbound.
Preferably, the mass percent of the aluminium alloy are as follows: 1~2 carbon, 2~3 silicon, 0.1~0.3 manganese, 0.05~0.15
Phosphorus, 0.2~0.4 sulphur, 15~25 magnesium, 1~2 tin and 66~67 aluminium.
Preferably, the mass percent of the chromium metal are as follows: chromium: 98~99, carbon: 0.5~0.65, aluminium: 0.35~1.5.
Preferably, in the S2, heating temperature is 820-850 DEG C, soaking time 2-4h.
Preferably, in the S5, if testing result is shown not with defect and inner material is evenly distributed, blank is closed
Lattice, can carry out next one step process, on the contrary then repeat S4 step.
Preferably, in the S10, heat treatment temperature is 450-550 DEG C, soaking time 1-2h.
Preferably, it in the S11, is represented if testing result has continuous bubble to generate for water body above hydraulic cylinder closed
Property is unqualified, on the contrary then to represent leakproofness preferable.
Preferably, in the S12, heating temperature is 160-180 DEG C, soaking time 1-2h.
Compared with prior art, the beneficial effects of the present invention are: the hydraulic cylinder is made using aluminum alloy materials in this method,
Conditioned and heat treatment, it is higher compared to gray cast iron structural strength, when meeting external impacts or huge torque, damage not easy to break
It is bad, it ensure that the stability of mechanical structure, also improve the service life of the hydraulic cylinder, quality is the 30% of gray cast iron；And
This method is provided with chromium plating step, can plate one layer of chromium for hydraulic cylinder surfaces, effectively makes hydraulic cylinder surfacing, bright and clean, raising
Its aesthetics, and make the hydraulic cylinder surfaces have the function of antirust, and can enhance after the chromium plating of hydraulic cylinder surface layer hardness (HR65 with
On), high temperature resistant up to 500 DEG C, it is corrosion-resistant, acid-proof, wear-resistant, and this method is provided with defects detection and airtightness detecting step,
So as to effectively be detected to the defect inside hydraulic cylinder with airtightness, so that effect when hydraulic cylinder uses be effectively ensured
Fruit.
Specific embodiment
Below in conjunction with the embodiment of the present invention, inventive technique scheme is clearly and completely described, it is clear that described
Embodiment be only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work, belongs to this hair
The range of bright protection.
Embodiment 1
The present invention provides a kind of technical solution: a kind of hydraulic cylinder manufacture method, including processing is as described herein any hydraulic
Cylinder, method includes the following steps: aluminum alloy base material and diamondite preparation,
S1, suitable aluminum alloy materials are chosen, blanking is carried out by lathe and forms blank；
S2, prepare a hydraulic cylinder casting mould, blank be placed in smelting furnace and reaches 820-850 DEG C, makes its thawing,
It is cast to hydraulic cylinder mold again, keeps the temperature 2-4h；
S3, the hydraulic cylinder blank after heat preservation is taken out, is quickly placed in water, is quenched；
After S4, quenching, blank taking-up is increased into its temperature again and carries out high tempering processing, heat preservation a period of time, is carried out
Modifier treatment；
S5, after blank is cooling, using X-ray detectoscope to inside blank defect and substance distribution effectively examined
It surveys；
S6, the qualified blank of detection is taken out, turning, shelf mouth, boring to predetermined accurate depth, flange seam allowance etc. is carried out by lathe
Reason；
S7, pass through drilling machine and grinding machine again to blank progress bore hole or honing, open up hole card slot and internal and external threads；
S8, brill hydraulic fluid port is carried out to blank by pincers worker；
S9, blank surface is processed by shot blasting using polishing machine；
S10, scrap on blank is cleaned out, cleans out the scrap on blank, blank is washed, passes through pickling chromium
Metal, which makes it dissolve, to be tightly attached on blank inner wall, is carried out 450-550 DEG C and is effectively heat-treated, and 1-2h is kept the temperature；
S11, all through-holes of blank are loaded into matched component parts blocking, embryo material is all placed in water body, is utilized
Hydrostatic(al) process carries out airtightness detection；
S12, finished product packing, outbound.
Embodiment 2
The present invention provides a kind of technical solution: a kind of hydraulic cylinder, including following material: aluminum alloy base material and tungsten carbide close
Gold.
A kind of hydraulic cylinder manufacture method, including processing either cylinder as described herein, method includes the following steps:
S1, suitable aluminum alloy materials are chosen, blanking is carried out by lathe and forms blank；
S2, prepare a hydraulic cylinder casting mould, blank be placed in smelting furnace and reaches 820-850 DEG C, makes its thawing,
It is cast to hydraulic cylinder mold again, keeps the temperature 2-4h；
S3, the hydraulic cylinder blank after heat preservation is taken out, is quickly placed in water, is quenched；
After S4, quenching, blank taking-up is increased into its temperature again and carries out high tempering processing, heat preservation a period of time, is carried out
Modifier treatment；
S5, after blank is cooling, using X-ray detectoscope to inside blank defect and substance distribution effectively examined
It surveys, if testing result is shown not with defect and inner material is evenly distributed, blank is qualified, can carry out next one step process, instead
Then repeat S4 step；
S6, the qualified blank of detection is taken out, turning, shelf mouth, boring to predetermined accurate depth, flange seam allowance etc. is carried out by lathe
Reason；
S7, pass through drilling machine and grinding machine again to blank progress bore hole or honing, open up hole card slot and internal and external threads；
S8, brill hydraulic fluid port is carried out to blank by pincers worker；
S9, blank surface is processed by shot blasting using polishing machine；
S10, scrap on blank is cleaned out, cleans out the scrap on blank, blank is washed, passes through pickling chromium
Metal, which makes it dissolve, to be tightly attached on blank inner wall, is carried out 450-550 DEG C and is effectively heat-treated, and 1-2h is kept the temperature；
S11, all through-holes of blank are loaded into matched component parts blocking, embryo material is all placed in water body, is utilized
Hydrostatic(al) process carries out airtightness detection, is to represent airtightness not if hydraulic cylinder top water body has continuous bubble to generate if testing result
Qualification, it is on the contrary then to represent leakproofness preferable；
S12, finished product packing, outbound.
Embodiment 3
The present invention provides a kind of technical solution: a kind of hydraulic cylinder, including following material: aluminum alloy base material and tungsten carbide close
Gold, the mass percent of the aluminium alloy are as follows: 1~2 carbon, 2~3 silicon, 0.1~0.3 manganese, 0.05~0.15 phosphorus, 0.2~0.4
Sulphur, 15~25 magnesium, 1~2 tin and 66~67 aluminium, the mass percent of the chromium metal are as follows: chromium: 98~99, carbon: 0.5~
0.65, aluminium: 0.35~1.5.
A kind of hydraulic cylinder manufacture method, including processing either cylinder as described herein, method includes the following steps:
S1, suitable aluminum alloy materials are chosen, blanking is carried out by lathe and forms blank；
S2, prepare a hydraulic cylinder casting mould, blank be placed in smelting furnace and reaches 820-850 DEG C, makes its thawing,
It is cast to hydraulic cylinder mold again, keeps the temperature 2-4h；
S3, the hydraulic cylinder blank after heat preservation is taken out, is quickly placed in water, is quenched；
After S4, quenching, blank taking-up is increased into its temperature again and carries out high tempering processing, heat preservation a period of time, is carried out
Modifier treatment；
S5, after blank is cooling, using X-ray detectoscope to inside blank defect and substance distribution effectively examined
It surveys, if testing result is shown not with defect and inner material is evenly distributed, blank is qualified, can carry out next one step process, instead
Then repeat S4 step；
S6, the qualified blank of detection is taken out, turning, shelf mouth, boring to predetermined accurate depth, flange seam allowance etc. is carried out by lathe
Reason；
S7, pass through drilling machine and grinding machine again to blank progress bore hole or honing, open up hole card slot and internal and external threads；
S8, brill hydraulic fluid port is carried out to blank by pincers worker；
S9, blank surface is processed by shot blasting using polishing machine；
S10, scrap on blank is cleaned out, cleans out the scrap on blank, blank is washed, passes through pickling chromium
Metal, which makes it dissolve, to be tightly attached on blank inner wall, is carried out 450-550 DEG C and is effectively heat-treated, and 1-2h is kept the temperature；
S11, all through-holes of blank are loaded into matched component parts blocking, embryo material is all placed in water body, is utilized
Hydrostatic(al) process carries out airtightness detection, is to represent airtightness not if hydraulic cylinder top water body has continuous bubble to generate if testing result
Qualification, it is on the contrary then to represent leakproofness preferable；
S12, finished product packing, outbound.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of hydraulic cylinder manufacture method, it is characterised in that: the following steps are included:
S1, suitable aluminum alloy materials are chosen, blanking is carried out by lathe and forms blank；The mass percent of the aluminium alloy
Are as follows: 1~2 carbon, 2~3 silicon, 0.1~0.3 manganese, 0.05~0.15 phosphorus, 0.2~0.4 sulphur, 15~25 magnesium, 1~2 tin and 66~67
Aluminium；
S2, prepare a hydraulic cylinder casting mould, blank is placed in smelting furnace and reaches melting temperature, makes its thawing, then cast
To hydraulic cylinder mold, heat preservation a period of time；
S3, the hydraulic cylinder blank after heat preservation is taken out, is quickly placed in water, is quenched；
After S4, quenching, blank taking-up is increased into its temperature again and carries out high tempering processing, heat preservation a period of time, is carried out quenched
Processing；
S5, after blank is cooling, using X-ray detectoscope to inside blank defect and substance distribution effectively detected；
S6, the qualified blank of detection is taken out, turning, shelf mouth, boring to predetermined accurate depth, the processing of flange seam allowance is carried out by lathe；
S7, pass through drilling machine and grinding machine again to blank progress bore hole or honing, open up hole card slot and internal and external threads；
S8, brill hydraulic fluid port is carried out to blank by pincers worker；
S9, blank surface is processed by shot blasting using polishing machine；
S10, scrap on blank is cleaned out, blank is washed, then made it dissolve and be tightly attached in blank by pickling chromium metal
On wall, heat preservation a period of time；
S11, all through-holes of blank are loaded into matched component parts blocking, embryo material is all placed in water body, hydraulic pressure is utilized
Method carries out airtightness detection；
S12, finished product packing, outbound.
2. hydraulic cylinder manufacture method according to claim 1, it is characterised in that: the mass percent of the chromium metal are as follows:
Chromium: 98~99, carbon: 0.5~0.65, aluminium: 0.35~1.5.
3. hydraulic cylinder manufacture method according to claim 1, it is characterised in that: in the S2, heating temperature 820-850
DEG C, soaking time 2-4h.
4. hydraulic cylinder manufacture method according to claim 1, it is characterised in that: in the S5, if testing result is shown not
On the contrary with defect and inner material is evenly distributed, then blank is qualified, carries out next one step process, then repeatedly S4 step.
5. hydraulic cylinder manufacture method according to claim 1, it is characterised in that: in the S10, heat treatment temperature 450-
550 DEG C, soaking time 1-2h.
6. hydraulic cylinder manufacture method according to claim 1, it is characterised in that: in the S11, if testing result is hydraulic
Water body has continuous bubble generation then to represent airtightness unqualified above cylinder, on the contrary then to represent leakproofness preferable.
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| CN201910288472.4A CN110280973A (en) | 2019-04-11 | 2019-04-11 | A kind of hydraulic cylinder manufacture method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273857A (en) * | 2021-12-17 | 2022-04-05 | 绍兴力欣液压件有限公司 | Preparation process of clutch booster |
| CN114289998A (en) * | 2021-12-17 | 2022-04-08 | 绍兴力欣液压件有限公司 | Preparation process of high-strength oil cylinder |
| CN114352606A (en) * | 2021-12-30 | 2022-04-15 | 无锡市易达液压气动设备有限公司 | Corrosion-resistant and wear-resistant hydraulic cylinder and manufacturing method thereof |
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