CN108620539A - A kind of investment casting method with complex-curved shape casting - Google Patents
A kind of investment casting method with complex-curved shape casting Download PDFInfo
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- CN108620539A CN108620539A CN201711395643.0A CN201711395643A CN108620539A CN 108620539 A CN108620539 A CN 108620539A CN 201711395643 A CN201711395643 A CN 201711395643A CN 108620539 A CN108620539 A CN 108620539A
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- 238000005266 casting Methods 0.000 title claims abstract description 138
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005495 investment casting Methods 0.000 title claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000013461 design Methods 0.000 claims description 15
- 238000003672 processing method Methods 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000002950 deficient Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention relates to a kind of investment casting methods with complex-curved shape casting; including preparing wax-pattern; at least three outwardly extending boss A3 are set on the curved face type face of wax-pattern; the end face of all boss A3 determines a wax-pattern reference plane jointly; flatness by detecting cere reference plane judges the quality of wax-pattern; casting is then obtained using full form casting process by the wax-pattern, then judges the quality of complex-curved shape on casting by detecting the flatness of casting reference plane；Technical solution using the present invention, simplify detection technique means, facilitate testing staff's sort out defective work wax-pattern and casting, simple operation, reduce labor intensity, the product quality for improving casting makes manufacturing enterprise carry out effectively improving enterprises production efficiency with rational control and detection to this kind of casting product quality with complex-curved shape.
Description
Technical field
The present invention relates to Investment casting technology field more particularly to a kind of model castings with complex-curved shape casting
Method.
Background technology
In recent years, mechanized equipment manufacturing industry is fast-developing, and people have manufactured and designed various mechanized equipments, with convenient
The various activities such as production, the life of people, mechanized equipment are made of the parts of each different shapes and sizes and function,
These a variety of different component of machine are generally required to be molded using different machining manufactures, and casting and forming is current machinery
The important process method for manufacturing processing, is generally made mold, then the cast article raw material into mold, with skill using metal material
The development of art, requirement of the people to the accuracy of manufacture of component of machine increasingly improve, and the plastic many shapes of casting technique are very
The processing of complicated component of machine, this is just to the accuracy of manufacture and shape contour of corresponding parts on the casting mould that uses
More stringent requirements are proposed for precision, and these casting parts with complex-curved shape are multiple due to its contour surface shape
It is miscellaneous, it is difficult to find suitable clamping position and detection reference plane on part outer profile, it is complicated bent on part to be difficult to control
The casting accuracy of face shape carries out this workpiece for example, workpiece as shown in Figure 1, Figure 2 and Figure 3 has complicated abnormity bent
When detection and casting, since suitable reference plane can not be found on part, both it is not easy to detect, also makes the type in casting process
The casting accuracy in face is difficult to control.
Invention content
In order to solve the above technical problems, the present invention provides a kind of model casting sides with complex-curved shape casting
Method.
The present invention provides a kind of investment casting methods with complex-curved shape casting, include the following steps：
Step 1：Prepare wax-pattern：There is the wax-pattern curved face type face, the curved face type face to be equipped at least three to extension
The end face of the boss A, all boss A that stretch determine a wax-pattern reference plane jointly；
Step 2：Testing result is classified as qualified wax-pattern and not by the flatness of wax-pattern reference plane described in detecting step one
Qualified wax-pattern；
Step 3：Casting：It is bonded running channel on the qualified wax-pattern described in step 2, is poured into a mould to the wax-pattern by running channel
Forming obtains casting using full form casting process, and there is the casting contour surface, the contour surface to be equipped at least three
The end face of outwardly extending boss B, described all boss B determine a casting reference plane jointly；
Step 4：The flatness of casting contour surface described in detecting step three, by testing result be classified as castings and
Rejected casting.
The investment casting method with complex-curved shape casting further includes to unqualified wax-pattern described in step 2
Wax-pattern reference plane is corrected, using the wax-pattern after overcorrection as qualified wax-pattern.
The investment casting method with complex-curved shape casting further includes to rejected casting described in step 4
Casting reference plane is corrected, using the casting after overcorrection as castings.
Spacing between two boss A of the arbitrary neighborhood is equal.
The shape size all same of each boss A.
Spacing between two boss B of the arbitrary neighborhood is equal.
The shape size all same of each boss B.
The flatness of the detection wax-pattern reference plane described in the step 2 includes the following steps：
Step 1：Technical papers and design drawing are consulted, the wax-pattern reference plane is obtained from technical papers and design drawing
Standard of flatness threshold values；
Step 2：Prepare detection workbench, the detection workbench has the datum plane parallel with horizontal plane；
Step 3：Wax-pattern is flat on described in step 2 and is detected on workbench, and makes the wax-pattern reference plane and the benchmark
Plane fits；
Step 4：Along vertically downward direction to be positioned over described in step 3 be detect workbench on wax-pattern on application effect
Power places mass, and the wax-pattern is made to compress the detection workbench；
Step 5:Use the wax-pattern reference plane and the base being positioned over described in survey tool measuring process 4 on detection workbench
Gap width between directrix plane and record；
Step 6：By the gap width between the wax-pattern reference plane obtained described in step 5 and datum plane and wax described in step 1
The standard of flatness threshold values of mould reference plane compares, and gap width is less than the wax-pattern of the standard of flatness threshold values as qualified wax
Gap width is more than the wax-pattern of the standard of flatness threshold values as unqualified wax-pattern by mould.
The flatness of the detection casting contour surface includes the following steps：
Step 1：Technical papers and design drawing are consulted, the casting reference plane is obtained from technical papers and design drawing
Standard of flatness threshold values；
Step 2：Prepare detection workbench, the detection workbench has the datum plane parallel with horizontal plane；
Step 3：Casting is flat on described in step 2 and is detected on workbench, and makes the casting reference plane and the benchmark
Plane fits；
Step 4：Along vertically downward direction to be positioned over described in step 3 be detect workbench on casting on application effect
Power places mass, and the casting is made to compress the detection workbench；
Step 5:Use the casting reference plane and the base being positioned over described in survey tool measuring process 4 on detection workbench
Gap width between directrix plane and record；
Step 6：Gap width between the casting reference plane obtained described in step 5 and datum plane is cast with described in step 1
The standard of flatness threshold values of part reference plane compares, and the casting that gap width is less than to the standard of flatness threshold values is cast as qualification
Gap width is more than the casting of the standard of flatness threshold values as rejected casting by part.
The investment casting method with complex-curved shape casting further includes being removed using machine cut processing method
All boss B on casting described in step 4.
The beneficial effects of the present invention are：
Using a kind of investment casting method with complex-curved shape casting provided by the present invention, by wax-pattern
Multiple boss A are set, and the end face of multiple boss A determines a wax-pattern reference plane jointly, makes also to be formed on the casting of type casting moulding more
The end face of a boss B, multiple boss B also determine a casting reference plane jointly, then by detecting wax-pattern reference plane, casting respectively
The fit clearance between reference plane in reference plane and standard detection workbench, to can determine on casting complex-curved type face with
The matching degree and deviation range of curve form are designed on design drawing accordingly, thus easily sort out defective work wax
Mould and defective work casting, using the operating method, user's operation is convenient, fast, labor intensity is reduced, convenient for making production look forward to
Industry carries out this kind of casting product quality with complex-curved shape effectively to improve enterprise's life with rational control and detection
Produce efficiency.
Description of the drawings
Fig. 1 is structural schematic diagram of the casting of the present invention along central axis cutting；
Fig. 2 is the vertical view of casting of the present invention；
Fig. 3 is the left view of casting of the present invention；
Fig. 4 is the vertical view of wax-pattern of the present invention；
Fig. 5 is structural schematic diagram of the wax-pattern of the present invention along central axis cutting；
Fig. 6 is the schematic diagram that wax-pattern reference plane is positioned on detection workbench by the present invention；
Fig. 7 is the schematic diagram that casting reference plane is positioned on detection workbench by the present invention.
In figure：1- casting, 2- wax-patterns, 3- boss A, 4- detect workbench, 5- datum planes, 6- mass.
Specific implementation mode
Technical scheme of the present invention is described further below in conjunction with attached drawing, but required protection domain does not limit to
In described；
The present invention provides a kind of investment casting methods with complex-curved shape casting, as shown in Figures 1 to 7, packet
Include following steps：
Step 1：Prepare wax-pattern 2：Wax-pattern 2 has curved face type face, and it is outwardly extending convex that curved face type face is equipped at least three
The end face of platform A3, all boss A3 determine a wax-pattern reference plane jointly；
Step 2：Testing result is classified as qualified wax-pattern and unqualified by the flatness of one wax-pattern reference plane of detecting step
Wax-pattern；
Step 3：Casting 1：It is bonded running channel on step 2 qualification wax-pattern, by running channel to 2 castable of wax-pattern,
Casting 1 is obtained using full form casting process, casting 1 has contour surface, and it is outwardly extending that contour surface is equipped at least three
Boss B, all boss B end face jointly determine a casting reference plane；
Step 4：Testing result is classified as castings and not conformed to by the flatness of three casting of detecting step, 1 contour surface
Lattice casting.
Technical solution using the present invention, by the way that multiple boss A are arranged on wax-pattern, the end face of multiple boss A is jointly true
A fixed wax-pattern reference plane, makes also to form multiple boss B on the casting of type casting moulding, and the end face of multiple boss B also determines one jointly
A casting reference plane, then by detecting wax-pattern reference plane respectively, the reference plane on casting reference plane and standard detection workbench it
Between fit clearance, design meeting for curve form to can determine on casting that complex-curved type face is corresponding on design drawing
Degree and deviation range, to which easily sort out defective work wax-pattern and defective work casting are used using the operating method
Family is easy to operate, fast, reduces labor intensity, convenient for making manufacturing enterprise to this kind of cast product with complex-curved shape
Quality carries out effectively improving enterprises production efficiency with rational control and detection.
Further, the investment casting method with complex-curved shape casting further includes to the unqualified wax-pattern of step 2
Wax-pattern reference plane is corrected, by the wax-pattern 2 after overcorrection as qualified wax-pattern.
Further, the investment casting method with complex-curved shape casting further includes to step 4 rejected casting
Casting reference plane is corrected, and regard the casting 1 after overcorrection as castings.
Further, the spacing between two boss A3 of arbitrary neighborhood is equal.
Further, the shape size all same of each boss A3.
Further, the spacing between two boss B of arbitrary neighborhood is equal.
Further, the shape size all same of each boss B.
Further, the flatness of step 2 detection wax-pattern reference plane includes the following steps：
Step 1：Technical papers and design drawing are consulted, the flat of wax-pattern reference plane is obtained from technical papers and design drawing
Face degree reference threshold；
Step 2：Prepare detection workbench 4, detection workbench 4 has the datum plane 5 parallel with horizontal plane；
Step 3：Wax-pattern 2 is flat on step 2 detection workbench 4, and wax-pattern reference plane is made to be affixed with datum plane 5
It closes；
Step 4：It is to apply active force on the wax-pattern 2 detected on workbench 4 to be positioned over to step 3 along vertically downward direction
Or mass 6 is placed, so that wax-pattern 2 is compressed detection workbench 4；
Step 5:The wax-pattern reference plane and datum plane 5 being positioned over using survey tool measuring process 4 on detection workbench 4
Between gap width and record；
Step 6：By the gap width and step 1 wax-pattern reference plane between the step 5 wax-pattern reference plane obtained and datum plane 5
Standard of flatness threshold values compare, gap width is less than the wax-pattern 2 of standard of flatness threshold values as qualified wax-pattern, by gap width
Wax-pattern 2 more than standard of flatness threshold values is used as unqualified wax-pattern.
Further, the flatness of detection 1 contour surface of casting includes the following steps：
Step 1：Technical papers and design drawing are consulted, the flat of casting reference plane is obtained from technical papers and design drawing
Face degree reference threshold；
Step 2：Prepare detection workbench 4, detection workbench 4 has the datum plane 5 parallel with horizontal plane；
Step 3：Casting 1 is flat on step 2 detection workbench 4, and casting reference plane is made to be affixed with datum plane 5
It closes；
Step 4：It is to apply active force on the casting 1 detected on workbench 4 to be positioned over to step 3 along vertically downward direction
Or mass 6 is placed, so that casting 1 is compressed detection workbench 4；
Step 5:The casting reference plane and datum plane 5 being positioned over using survey tool measuring process 4 on detection workbench 4
Between gap width and record；
Step 6：By the gap width and step 1 casting reference plane between the step 5 casting reference plane obtained and datum plane 5
Standard of flatness threshold values compare, by gap width be less than standard of flatness threshold values casting 1 be used as castings, by gap width
Casting 1 more than standard of flatness threshold values is used as rejected casting.
Further, the investment casting method with complex-curved shape casting further includes using machine cut processing method
All boss B on four casting 1 of removal step.
Claims (10)
1. a kind of investment casting method with complex-curved shape casting, it is characterised in that：Include the following steps：
Step 1：Prepare wax-pattern (2)：There is the wax-pattern (2) curved face type face, the curved face type face to be equipped at least three outward
The end face of the boss A (3) of extension, all boss A (3) determine a wax-pattern reference plane jointly；
Step 2：Testing result is classified as qualified wax-pattern and unqualified by the flatness of wax-pattern reference plane described in detecting step one
Wax-pattern；
Step 3：Casting (1)：It is bonded running channel on the qualified wax-pattern described in step 2, is poured to the wax-pattern (2) by running channel
Shape is formed, obtains casting (1) using full form casting process, there is the casting (1) contour surface, the contour surface to be equipped with
The end face of at least three outwardly extending boss B, described all boss B determine a casting reference plane jointly；
Step 4：Testing result is classified as castings and not by the flatness of casting (1) contour surface described in detecting step three
Castings.
2. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：It is described
Investment casting method with complex-curved shape casting further include to the wax-pattern reference plane of unqualified wax-pattern described in step 2 into
Row correction, by the wax-pattern (2) after overcorrection as qualified wax-pattern.
3. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：It is described
Investment casting method with complex-curved shape casting further include to the casting reference plane of rejected casting described in step 4 into
Row correction regard the casting (1) after overcorrection as castings.
4. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：It is described
Spacing between two boss A (3) of arbitrary neighborhood is equal.
5. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：It is described
The shape size all same of each boss A (3).
6. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：It is described
Spacing between two boss B of arbitrary neighborhood is equal.
7. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：It is described
The shape size all same of each boss B.
8. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：It is described
The flatness of the detection wax-pattern reference plane described in step 2 includes the following steps：
Step 1：Technical papers and design drawing are consulted, the flat of the wax-pattern reference plane is obtained from technical papers and design drawing
Face degree reference threshold；
Step 2：Prepare detection workbench (4), the detection workbench (4) has the datum plane (5) parallel with horizontal plane；
Step 3：Wax-pattern (2) is flat on described in step 2 and is detected on workbench (4), and makes the wax-pattern reference plane and the base
Directrix plane (5) fits；
Step 4：To being positioned over described in step 3 it is to apply to make on the wax-pattern (2) detected on workbench (4) along vertically downward direction
Firmly or mass (6) is placed, the wax-pattern (2) is made to compress the detection workbench (4)；
Step 5:Use the wax-pattern reference plane being positioned over described in survey tool measuring process 4 on detection workbench (4) and the base
Gap width between directrix plane (5) and record；
Step 6：By the gap width between the wax-pattern reference plane obtained described in step 5 and datum plane (5) and wax-pattern described in step 1
The standard of flatness threshold values of reference plane compares, and gap width is less than the wax-pattern (2) of the standard of flatness threshold values as qualified
Wax-pattern, the wax-pattern (2) that gap width is more than to the standard of flatness threshold values are used as unqualified wax-pattern.
9. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：It is described
The flatness for detecting the casting (1) contour surface includes the following steps：
Step 1：Technical papers and design drawing are consulted, the flat of the casting reference plane is obtained from technical papers and design drawing
Face degree reference threshold；
Step 2：Prepare detection workbench (4), the detection workbench (4) has the datum plane (5) parallel with horizontal plane；
Step 3：Casting (1) is flat on described in step 2 and is detected on workbench (4), and makes the casting reference plane and the base
Directrix plane (5) fits；
Step 4：To being positioned over described in step 3 it is to apply to make on the casting (1) detected on workbench (4) along vertically downward direction
Firmly or mass (6) is placed, the casting (1) is made to compress the detection workbench (4)；
Step 5:Use the casting reference plane being positioned over described in survey tool measuring process 4 on detection workbench (4) and the base
Gap width between directrix plane (5) and record；
Step 6：By the gap width between the casting reference plane obtained described in step 5 and datum plane (5) and casting described in step 1
The standard of flatness threshold values of reference plane compares, and gap width is less than the casting (1) of the standard of flatness threshold values as qualified
Casting, the casting (1) that gap width is more than to the standard of flatness threshold values are used as rejected casting.
10. a kind of investment casting method with complex-curved shape casting as described in claim 1, it is characterised in that：Institute
It further includes using described in machine cut processing method removal step four to state the investment casting method with complex-curved shape casting
All boss B on casting (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395643.0A CN108620539B (en) | 2017-12-21 | 2017-12-21 | Investment casting method for casting with complex curved surface shape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395643.0A CN108620539B (en) | 2017-12-21 | 2017-12-21 | Investment casting method for casting with complex curved surface shape |
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| Publication Number | Publication Date |
|---|---|
| CN108620539A true CN108620539A (en) | 2018-10-09 |
| CN108620539B CN108620539B (en) | 2020-06-23 |
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| CN201711395643.0A Active CN108620539B (en) | 2017-12-21 | 2017-12-21 | Investment casting method for casting with complex curved surface shape |
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| Publication number | Publication date |
|---|---|
| CN108620539B (en) | 2020-06-23 |
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