CN105921960A - Machining method for extremely-small R-fillet tire - Google Patents
Machining method for extremely-small R-fillet tire Download PDFInfo
- Publication number
- CN105921960A CN105921960A CN201610420937.3A CN201610420937A CN105921960A CN 105921960 A CN105921960 A CN 105921960A CN 201610420937 A CN201610420937 A CN 201610420937A CN 105921960 A CN105921960 A CN 105921960A
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- Prior art keywords
- insert
- main body
- tire
- hole
- arc
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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
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a machining method for an extremely-small R-fillet tire. The tire is provided with a plurality of arc-shaped grooves used for forming parts; one end of each arc-shaped groove is provided with a vertical end face groove wall, and the arc-shaped fillet R of each arc-shaped groove is extremely small. The machining method includes the following steps that firstly, according to the distribution condition of the arc-shaped grooves, the tire is divided into a body and an insert from the positions of the end face groove walls of the arc-shaped grooves, and it is guaranteed that the body and insert keep the press-fit state during assembly; secondly, the arc-shaped grooves and a through hole used for assembling the insert are machined in the body in a wire cutting manner; thirdly, machining of the insert is completed in a wire cutting manner; and fourthly, the machined insert is assembled in the through hole in the body in a press-fit manner, and finally, machining of the tire is completed. The method effectively solves the problem that the extremely-small R-fillet tire is difficult to machine, a new machining method is provided for machining of the kind of tires, and the tool quality and the production efficiency are greatly improved.
Description
Technical field
The invention belongs to forming parts type tire manufacture field, be specifically related to a kind of minimum R angle-style tire processing method.
Background technology
As schemed shown in l-4, the type tire design of material uses No. 45 steel, simple shape, but structure is complicated.Have at two in profile
Arcuate groove, for forming part；And the fillet R arc of arcuate groove cross section is both less than greatly 3.0mm, one end of arcuate groove has
Vertical end face cell wall.Conventional mechanical processing cannot ensure profile tolerance, and owing to fillet R is minimum, NC cutting tool cannot
Processing, therefore cannot use digital control processing profile.It is difficult to directly be processed in this type fetalism face with existing manufacturing process.
Summary of the invention
It is an object of the present invention to provide a kind of minimum R angle-style tire processing method, there is for processing the type tire in minimum R angle-style face.
The method efficiently solves the problem of minimum R angle-style tire processing difficulties, and the processing for this type tire provides a new processing
Method, and improve frock quality and production efficiency greatly.
The technical solution used in the present invention is:
A kind of minimum R angle-style tire processing method, described type tire has several arcuate grooves for forming part, described arc
One end of groove has vertical end face cell wall, and the arc fillet R of described arcuate groove is minimum, and processing method is as follows:
1) according to the distribution situation of arcuate groove, type tire is punished from the end face cell wall of arcuate groove and is slit into main body and insert two parts,
And ensure that main body and insert keep stitching state when assembling；
2) line cutting mode is used to process arcuate groove in main body and for assembling the through hole of insert；
3) line cutting mode is used to complete the processing of insert；
4) insert processed is assembled in the through hole in main body by pressing mode, is finally completed the processing of described type tire.
Described processing method, described insert has targeting part, described main body has and matches with targeting part and and through hole
The pilot hole communicated.
Described processing method, described targeting part keeps stitching state with pilot hole when assembling.
Described processing method, the circular arc of described arc fillet R is not more than 3.0mm.
Described processing method, particularly as follows:
1) according to the distribution situation of arcuate groove, type tire is slit into main body and insert two parts from the punishment of end face cell wall, and ensures main
Body and insert keep stitching state when assembling；
2) processing of main body
2.1) planing: the length of press-type tire pattern size planing operation main body is hexahedro；High two and the length two of mill main body
And stay 0.6-0.8mm surplus；
2.2) heat treatment: quench tempering 35-39HRC；
2.3) grinder: grinding main body high two parallel, the length of grinding main body two is parallel, it is ensured that long two with high
Two vertical；
2.4) right boring: by the datum hole in the pattern size main body of main body；
2.5) line cutting: by the datum hole centering of right boring, by the arcuate groove that pattern cyclotomy angle is R0.4 of main body be positioned at main body
The upper through hole for assembling insert, and ensure profile tolerance, and the matching relationship of intermediate throughholes and insert；
3) processing of insert:
3.1) planing: high two by pattern size planing operation insert, stays mill surplus 0.6-0.8mm；
3.2) heat treatment: quench tempering 35-39HRC；
3.3) grinder: high two by pattern size grinding insert；
3.4) right boring: by the interstitial hole of pattern size insert, it is ensured that tolerance dimension；
3.5) line cutting: by the interstitial hole centering that right boring is made, processes insert profile by the pattern size of insert, it is ensured that insert with
The matching relationship of main body；
4) assembling, repaiies the binding face grinding main body with insert, by the insert processed by leading to that pressing mode is assembled in main body
Kong Zhong, is finally completed the processing of described type tire.
The method have the advantages that
A kind of minimum R angle-style tire processing method of the present invention effectively utilizes the feature of arcuate groove on type tire, by type tire from arcuate groove
Vertically end wall punishment is slit into main body and insert two parts, and ensures to keep when main body is assembled stitching state with insert.Main body uses line
Cut arcuate groove and be used for assembling the through hole of insert and process, it is ensured that tolerance dimension, it is ensured that through hole and insert are that pressing is closed
System.The processing of insert is fairly simple, can directly be slit into by line, and profile ensures to match with the through hole in main body and close for pressing
System.By main body and the through hole equating being used for press fit arrangement insert, the arcuate groove in main body forms R0 angle-style face with insert side,
Eventually through the processing having assembled minimum R angle-style tire.
A kind of minimum R angle-style tire processing method of the present invention efficiently solves the processing problems of less R angle-style tire, will be the most complicated
Thorny machining state is greatly simplified, and this kind of mode be proven simplicity, save time, saving of labor, material-saving, saved production
Cost and processing intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment minimum R angle-style tire.
Fig. 2 is the side view of minimum R angle-style tire shown in Fig. 1.
Fig. 3 is the detailed enlarged drawing of local A shown in Fig. 2.
Fig. 4 is the sectional view of B-B shown in Fig. 1.
Fig. 5 is the detailed enlarged drawing of Local C shown in Fig. 4.
Fig. 6 is the structural representation after the segmentation of minimum R angle-style tire shown in Fig. 1.
1-main body, 2-insert, 3-arcuate groove, 4-targeting part, 5-pilot hole, 6-datum hole, 7-interstitial hole, 8-through hole.
Detailed description of the invention
A kind of minimum R angle-style tire processing method of embodiment
As Figure 1-4, this type tire is No. 45 steel, and main body is about 80mm, wide 60mm, highly 10mm.Main body upper
Surface is that profile, i.e. upper surface have two arcuate grooves 3, for forming part；The arc fillet of this arcuate groove 3 is R0.4, arc
One end of shape groove 3 has vertical end face cell wall, i.e. has R0 between end face cell wall and arcuate groove.Conventional mechanical processing cannot
Ensure profile tolerance, and owing to corner R is minimum, NC cutting tool cannot be processed, and therefore cannot use digital control processing profile.
Specifically comprise the following steps that
1) this type tire is slit into main body 1 and insert 2 two parts from the punishment of end face cell wall, and ensures that main body 1 and insert 2 are at dress
Timing keeps stitching state；
2) processing of main body
2.1) planing: hexahedro by the length of main body 1 pattern size planing operation type tire；High two and the length of mill main body 1
Two and stay 0.6-0.8mm surplus；
2.2) heat treatment: quench tempering 35-39HRC；
2.3) grinder: grinding main body 1 high two parallel, the length of grinding main body 1 two is parallel, it is ensured that long two
With high two vertical；
2.4) right boring: by the datum hole 6 in the pattern size main body of main body 1；
2.5) line cutting: by datum hole 6 centering of right boring, by the arcuate groove 3 that pattern cyclotomy angle is R0.4 and the position of main body 2
For assembling the through hole 8 of insert 3 in the middle of the main body 2, and ensure profile tolerance, and intermediate throughholes 8 and insert 2 coordinate pass
System, stays pincers worker polishing amount 0.01mm；
2.6) pincers worker: polishing line facet, sharp edge is blunt, removes flash removed.
3) processing of insert 2:
3.1) planing: high two by insert 2 pattern size planing operation insert 2, stays mill surplus 0.6-0.8mm；
3.2) heat treatment: quench tempering 35-39HRC；
3.3) grinder: high two by insert 2 pattern size grinding insert 2；
3.4) right boring: by the interstitial hole 7 of pattern size insert 2, it is ensured that tolerance dimension；
3.5) line cutting: by interstitial hole 7 centering that right boring is made, process insert 2 profile by the pattern size of insert 2, it is ensured that
Insert 2 and the matching relationship of main body 1, stay pincers worker polishing amount 0.01mm；
3.6) pincers worker: the line facet of pincers worker polishing insert 2, sharp edge is blunt；
4) assembling
4.1) pincers worker: repairing the binding face grinding main body 1 with insert 2, insert 2 bottom surface is repaiied welding cut, is assembled into, it is ensured that main body
1 ensures pressing with insert 2 upper surface flush, main body 1 and insert 2 bottom surface spot welding, equating；
4.2) numerical control mill: draw part edge line by data set；
4.3) pincers worker: sharp edge is blunt, assembles with remaining part, marking；This minimum R angle-style tire machines.
Employing said method is processed, and efficiently solves the processing problems of less R angle-style tire, by the most complicated thorny processing shape
State is greatly simplified, and this kind of mode be proven simplicity, save time, saving of labor, material-saving, saved production cost and processing be strong
Degree.
Claims (5)
1. a minimum R angle-style tire processing method, described type tire has several arcuate grooves for forming part, described arc
One end of shape groove has vertical end face cell wall, and the arc fillet R of described arcuate groove is minimum, it is characterised in that processing method
As follows:
1) according to the distribution situation of arcuate groove, type tire is punished from the end face cell wall of arcuate groove and is slit into main body and insert two parts,
And ensure that main body and insert keep stitching state when assembling；
2) line cutting mode is used to process arcuate groove in main body and for assembling the through hole of insert；
3) line cutting mode is used to complete the processing of insert；
4) insert processed is assembled in the through hole in main body by pressing mode, is finally completed the processing of described type tire.
2. processing method as claimed in claim 1, it is characterised in that described insert has targeting part, in described main body
There is the pilot hole matching with targeting part and communicating with through hole.
3. processing method as claimed in claim 2, it is characterised in that described targeting part keeps when assembling with pilot hole
Stitching state.
4. processing method as claimed in claim 1, it is characterised in that the circular arc of described arc fillet R is not more than
3.0mm。
5. processing method as claimed in claim 1, it is characterised in that particularly as follows:
1) according to the distribution situation of arcuate groove, type tire is slit into main body and insert two parts from the punishment of end face cell wall, and ensures main
Body and insert keep stitching state when assembling；
2) processing of main body
2.1) planing: the length of press-type tire pattern size planing operation main body is hexahedro；High two and the length two of mill main body
And stay 0.6-0.8mm surplus；
2.2) heat treatment: quench tempering 35-39HRC；
2.3) grinder: grinding main body high two parallel, the length of grinding main body two is parallel, it is ensured that long two with high
Two vertical；
2.4) right boring: by the datum hole in the pattern size main body of main body；
2.5) line cutting: by the datum hole centering of right boring, by the arcuate groove that pattern cyclotomy angle is R0.4 of main body be positioned at main body
The upper through hole for assembling insert, and ensure profile tolerance, and the matching relationship of intermediate throughholes and insert；
3) processing of insert:
3.1) planing: high two by pattern size planing operation insert, stays mill surplus 0.6-0.8mm；
3.2) heat treatment: quench tempering 35-39HRC；
3.3) grinder: high two by pattern size grinding insert；
3.4) right boring: by the interstitial hole of pattern size insert, it is ensured that tolerance dimension；
3.5) line cutting: by the interstitial hole centering that right boring is made, processes insert profile by the pattern size of insert, it is ensured that insert with
The matching relationship of main body；
4) assembling, repaiies the binding face grinding main body with insert, by the insert processed by leading to that pressing mode is assembled in main body
Kong Zhong, is finally completed the processing of described type tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610420937.3A CN105921960B (en) | 2016-06-13 | 2016-06-13 | A kind of minimum R angle-style tire processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610420937.3A CN105921960B (en) | 2016-06-13 | 2016-06-13 | A kind of minimum R angle-style tire processing method |
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| Publication Number | Publication Date |
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| CN105921960A true CN105921960A (en) | 2016-09-07 |
| CN105921960B CN105921960B (en) | 2018-05-15 |
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| CN201610420937.3A Active CN105921960B (en) | 2016-06-13 | 2016-06-13 | A kind of minimum R angle-style tire processing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436404A (en) * | 2018-05-29 | 2018-08-24 | 沈阳飞机工业（集团）有限公司 | A kind of processing method that the minimum circular hole of molding receives pressing mold |
| CN112191963A (en) * | 2020-10-12 | 2021-01-08 | 贵州航天电子科技有限公司 | Sheet part machining method |
| CN112692518A (en) * | 2020-12-17 | 2021-04-23 | 昆山市优捷科自动化设备有限公司 | Machining method of jig plate for disc detector |
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| US5890402A (en) * | 1997-04-29 | 1999-04-06 | Hill Engineering, Inc. | Method of making tool dies |
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| US20070245799A1 (en) * | 2003-12-17 | 2007-10-25 | Showa Denko K.K. | Method for Producing Forging Die, Forging Die and Forged Article |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436404A (en) * | 2018-05-29 | 2018-08-24 | 沈阳飞机工业（集团）有限公司 | A kind of processing method that the minimum circular hole of molding receives pressing mold |
| CN112191963A (en) * | 2020-10-12 | 2021-01-08 | 贵州航天电子科技有限公司 | Sheet part machining method |
| CN112692518A (en) * | 2020-12-17 | 2021-04-23 | 昆山市优捷科自动化设备有限公司 | Machining method of jig plate for disc detector |
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| Publication number | Publication date |
|---|---|
| CN105921960B (en) | 2018-05-15 |
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