CN106041100A - Preparation process of metal guide plate for casting mold - Google Patents
Preparation process of metal guide plate for casting mold Download PDFInfo
- Publication number
- CN106041100A CN106041100A CN201610475706.2A CN201610475706A CN106041100A CN 106041100 A CN106041100 A CN 106041100A CN 201610475706 A CN201610475706 A CN 201610475706A CN 106041100 A CN106041100 A CN 106041100A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- convex
- type
- recessed
- type guide
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
- B22F2007/042—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal characterised by the layer forming method
Abstract
The invention discloses a preparation process of a metal guide plate for a casting mold. The preparation process is characterized in that a matrix backing layer of a concave V-shaped guide plate and a matrix backing layer of a convex V-shaped guide plate are precisely cast with low-carbon steel, thin copper alloy self-lubricating layers are arranged on inclined surfaces of the matrix backing layer of the concave V-shaped guide plate and the matrix backing layer of the convex V-shaped guide plate, steel replaces copper, and solid lubricant powder which is uniformly distributed in copper alloy replaces solid lubricant column agents. A metal guide plate prepared according to the preparation process is adopted, so that precious metal copper and nonferrous metals are saved, the metal guide plate is high in carrying capacity, fatigue strength, mechanical strength and friction and wear properties, and long in service life, energy consumption and labor are reduced, and the material cost and the production cost of the product are reduced.
Description
Technical field
The present invention relates to casting technology field, particularly relate to the guide metal preparation technology of a kind of casting mould.
Background technology
Die Industry is one of important symbol weighing development of automobile industry level, in the last few years, China's automobile die skill
Although art develops quickly, but compared with developed country automobile, still in middle low-level, a lot of medium-to-high grade automobile dies rely on into
Mouthful.
Existing cast copper alloy inlays the oil-free self lubrication guide plate of graphite column, there are many with overall casting copper alloys onboard
Inlaying lubricant post to constitute, this guide plate does not the most adapt to the development of auto industry.Use by the big thickness of one piece casting copper alloy
Plate, is pre-machined post holes generally according to certain arrangement mode, and solid lubrication material such as high purity graphite or graphite material are impregnated bar
Family name's alloy is processed into cylinder, then cylinder is inlaid in pre-manufactured hole makes, and the process equipment needed for such operation is many, operation is many
And loaded down with trivial details, take a lot of work, time-consuming, expense manpower；Not only waste the most rare noble metal copper and alloy thereof, and cost is high.
Summary of the invention
The present invention is in order to overcome the defect problem of above-mentioned prior art, it is provided that prepared by the guide metal of a kind of casting mould
Technique, this technique uses mild steel hot investment casting recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing, at matrix
On two inclined-planes of backing, thin layer copper alloy self-lubricating layer is set, with steel substitute copper, with solid lubricant powder at copper alloy
In be uniformly distributed replacement solid lubrication post agent.
Solve the technical problem that required by the present invention and can be achieved through the following technical solutions:
The guide metal preparation technology of a kind of casting mould, comprises the following steps:
S1, make recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing with mild steel hot investment casting；
S2, two inclined-planes to recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing carry out oil removing and deoxidation
The cleaning changing layer processes；
S3, adding the graphite powder of 6%-11% in copper alloy powder, the most uniformly mix, cloth overlays on recessed V-type guide plate
Matrix backing and two inclined-planes of convex V-type guide plate matrix backing, and put it to sintering furnace is sintered, sintering temperature
Being maintained at as 700-900 DEG C, sintering time is 10-30 minute, obtains the recessed V-type of band copper alloy bisque and convex V-type guide plate；
S4, the recessed V-type of band copper alloy bisque after sintering and convex V-type guide plate are placed on rotary forging press, the pendulum on rotary forging press
Head mould uses straight path that the loose sinter layer on two inclined-planes carries out pendulum and rolles over densification；
S5, pendulum is rolled over the recessed V-type of the band copper alloy bisque after densification and sintering furnace put into by convex V-type guide plate, copper alloy is entered
Row second time alloying sintering, sintering temperature controls at 750-850 DEG C, and the control time is 10-20 minute；
S6, recessed V-type after S5 double sintering and convex V-type guide plate, after carrying out polish, boring assembly hole, make from profit
The sliding recessed V-type of composition metal and convex V-type guide plate.
Further, in described S2 when carrying out the oil removing cleaning with oxide layer and processing, first with caustic dip, then sand is used
Band grinds off oxide layer.
Further, in described S4, the yaw mould end on rotary forging press is 1-5 ° to the inclination angle of vertical center line both sides, pendulum
Dynamic frequency 150-300 beat/min, operating cylinder oil pressure cntrol is at 20MPa.
Beneficial effects of the present invention: the guide metal preparation technology of a kind of casting mould, the guide metal of this processes,
Metallic copper and the non-ferrous metal of costliness are saved；There is high bearing capacity and fatigue strength, higher mechanical strength is excellent
Friction and wear behavior, service life is long；Reduce energy consumption and artificial, reduce material and the production cost of product.
Detailed description of the invention
Embodiment 1
The guide metal preparation technology of a kind of casting mould, comprises the following steps:
S1, make recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing with mild steel hot investment casting；
S2, two inclined-planes to recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing carry out oil removing and deoxidation
The cleaning changing layer processes；First with caustic dip, then grind off oxide layer with abrasive band；
S3, in copper alloy powder add 6% graphite powder, the most uniformly mix, cloth overlay on recessed V-type guide plate matrix lining
Backing layer and two inclined-planes of convex V-type guide plate matrix backing, and put it to sintering furnace is sintered, sintering temperature is maintained at
Being 700 DEG C, sintering time is 30 minutes, obtains the recessed V-type of band copper alloy bisque and convex V-type guide plate；
S4, the recessed V-type of band copper alloy bisque after sintering and convex V-type guide plate are placed on rotary forging press, the pendulum on rotary forging press
Head mould uses straight path that the loose sinter layer on two inclined-planes carries out pendulum and rolles over densification；Yaw mould end on rotary forging press is to hanging down
The inclination angle of straight centrage both sides is 1 ° of hunting frequency 150 beats/min, and operating cylinder oil pressure cntrol is at 20MPa；
S5, pendulum is rolled over the recessed V-type of the band copper alloy bisque after densification and sintering furnace put into by convex V-type guide plate, copper alloy is entered
Row second time alloying sintering, sintering temperature controls at 750 DEG C, and the control time is 20 minutes；
S6, recessed V-type after S5 double sintering and convex V-type guide plate, after carrying out polish, boring assembly hole, make from profit
The sliding recessed V-type of composition metal and convex V-type guide plate.
Embodiment 2
The guide metal preparation technology of a kind of casting mould, comprises the following steps:
S1, make recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing with mild steel hot investment casting；
S2, two inclined-planes to recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing carry out oil removing and deoxidation
The cleaning changing layer processes；First with caustic dip, then grind off oxide layer with abrasive band；
S3, in copper alloy powder add 11% graphite powder, the most uniformly mix, cloth overlays on recessed V-type guide plate matrix
Backing and two inclined-planes of convex V-type guide plate matrix backing, and put it to sintering furnace is sintered, sintering temperature keeps
For 900 DEG C, sintering time is 10 minutes, obtains the recessed V-type of band copper alloy bisque and convex V-type guide plate；
S4, the recessed V-type of band copper alloy bisque after sintering and convex V-type guide plate are placed on rotary forging press, the pendulum on rotary forging press
Head mould uses straight path that the loose sinter layer on two inclined-planes carries out pendulum and rolles over densification；Yaw mould end on rotary forging press is to hanging down
The inclination angle of straight centrage both sides is 5 °, and hunting frequency 300 beats/min, operating cylinder oil pressure cntrol is at 20MPa；
S5, pendulum is rolled over the recessed V-type of the band copper alloy bisque after densification and sintering furnace put into by convex V-type guide plate, copper alloy is entered
Row second time alloying sintering, sintering temperature controls at 850 DEG C, and the control time is 10 minutes；
S6, recessed V-type after S5 double sintering and convex V-type guide plate, after carrying out polish, boring assembly hole, make from profit
The sliding recessed V-type of composition metal and convex V-type guide plate.
Embodiment 3
The guide metal preparation technology of a kind of casting mould, comprises the following steps:
S1, make recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing with mild steel hot investment casting；
S2, two inclined-planes to recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing carry out oil removing and deoxidation
The cleaning changing layer processes；First with caustic dip, then grind off oxide layer with abrasive band；
S3, in copper alloy powder add 8% graphite powder, the most uniformly mix, cloth overlay on recessed V-type guide plate matrix lining
Backing layer and two inclined-planes of convex V-type guide plate matrix backing, and put it to sintering furnace is sintered, sintering temperature is maintained at
Being 800 DEG C, sintering time is 20 minutes, obtains the recessed V-type of band copper alloy bisque and convex V-type guide plate；
S4, the recessed V-type of band copper alloy bisque after sintering and convex V-type guide plate are placed on rotary forging press, the pendulum on rotary forging press
Head mould uses straight path that the loose sinter layer on two inclined-planes carries out pendulum and rolles over densification；Yaw mould end on rotary forging press is to hanging down
The inclination angle of straight centrage both sides is 3 °, and hunting frequency 200 beats/min, operating cylinder oil pressure cntrol is at 20MPa；
S5, pendulum is rolled over the recessed V-type of the band copper alloy bisque after densification and sintering furnace put into by convex V-type guide plate, copper alloy is entered
Row second time alloying sintering, sintering temperature controls at 800 DEG C, and the control time is 15 minutes；
S6, recessed V-type after S5 double sintering and convex V-type guide plate, after carrying out polish, boring assembly hole, make from profit
The sliding recessed V-type of composition metal and convex V-type guide plate.
The guide metal preparation technology of casting mould of the present invention, the guide metal of this processes, save the gold of costliness
Belong to copper and non-ferrous metal；There is high bearing capacity and fatigue strength, higher mechanical strength, excellent friction and wear behavior,
Service life is long；Reduce energy consumption and artificial, reduce material and the production cost of product.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (3)
1. the guide metal preparation technology of a casting mould, it is characterised in that comprise the following steps:
S1, make recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing with mild steel hot investment casting；
S2, two inclined-planes to recessed V-type guide plate matrix backing and convex V-type guide plate matrix backing carry out oil removing and oxide layer
Cleaning process；
S3, adding the graphite powder of 6%-11% in copper alloy powder, the most uniformly mix, cloth overlays on recessed V-type guide plate matrix
Backing and two inclined-planes of convex V-type guide plate matrix backing, and put it to sintering furnace is sintered, sintering temperature keeps
For 700-900 DEG C, sintering time is 10-30 minute, obtains the recessed V-type of band copper alloy bisque and convex V-type guide plate；
S4, the recessed V-type of band copper alloy bisque after sintering and convex V-type guide plate are placed on rotary forging press, the yaw mould on rotary forging press
Use straight path that the loose sinter layer on two inclined-planes carries out pendulum and roll over densification；
S5, pendulum is rolled over the recessed V-type of the band copper alloy bisque after densification and sintering furnace put into by convex V-type guide plate, copper alloy is carried out the
Secondary alloyed sintering, sintering temperature controls at 750-850 DEG C, and the control time is 10-20 minute；
S6, recessed V-type after S5 double sintering and convex V-type guide plate, after carrying out polish, boring assembly hole, make self-lubricating multiple
Alloy belongs to recessed V-type and convex V-type guide plate.
2. according to the guide metal preparation technology of a kind of casting mould described in claim 1, it is characterised in that: in described S2
When carrying out the cleaning process of oil removing and oxide layer, first with caustic dip, then grind off oxide layer with abrasive band.
3. according to the guide metal preparation technology of a kind of casting mould described in claim 1, it is characterised in that: described S4 puts
Yaw mould end on rolling machine is 1-5 ° to the inclination angle of vertical center line both sides, hunting frequency 150-300 beat/min, operating cylinder
Oil pressure cntrol is at 20MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475706.2A CN106041100A (en) | 2016-06-24 | 2016-06-24 | Preparation process of metal guide plate for casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475706.2A CN106041100A (en) | 2016-06-24 | 2016-06-24 | Preparation process of metal guide plate for casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106041100A true CN106041100A (en) | 2016-10-26 |
Family
ID=57166629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610475706.2A Pending CN106041100A (en) | 2016-06-24 | 2016-06-24 | Preparation process of metal guide plate for casting mold |
Country Status (1)
| Country | Link |
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| CN (1) | CN106041100A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277576A (en) * | 2018-10-30 | 2019-01-29 | 西安理工大学 | Steel-carbide/iron-steel MULTILAYER COMPOSITE wear-resistant material and preparation method thereof |
-
2016
- 2016-06-24 CN CN201610475706.2A patent/CN106041100A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277576A (en) * | 2018-10-30 | 2019-01-29 | 西安理工大学 | Steel-carbide/iron-steel MULTILAYER COMPOSITE wear-resistant material and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
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| WD01 | Invention patent application deemed withdrawn after publication |