CN202212654U - Deep hole reaming cutter with positioning post - Google Patents
Deep hole reaming cutter with positioning post Download PDFInfo
- Publication number
- CN202212654U CN202212654U CN201120386808XU CN201120386808U CN202212654U CN 202212654 U CN202212654 U CN 202212654U CN 201120386808X U CN201120386808X U CN 201120386808XU CN 201120386808 U CN201120386808 U CN 201120386808U CN 202212654 U CN202212654 U CN 202212654U
- Authority
- CN
- China
- Prior art keywords
- cutter
- positioning post
- deep hole
- reference column
- reaming
- 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.)
- Expired - Lifetime
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
A deep hole reaming cutter with a positioning post relates to a reaming cutter and aims to solve the problem that when the conventional reaming cutter is used for processing an inner sleeve hole of a main steam valve of a steam turbine, the straightness of the inner sleeve hole is relatively poor. The deep hole reaming cutter with the positioning post comprises a cutter body, a cutter handle and a positioning post, wherein a plurality of cutter teeth are uniformly processed on along the circumferential direction of the outer wall of the cutter body; and the positioning post is arranged between the cutter body and the cutter handle and is coaxially connected with the cutter body and the cutter handle integrally. The deep hole reaming cutter is designed with the positioning post, and the positioning post is positioned on the inner surface of a processing hole, so that the deflection of cutting edges of the cutter teeth of the conventional reaming cutter is overcome, the straightness of the inner sleeve hole is ensured, and a requirement for the processing precision is met. In the actual application of the deep hole reaming cutter with the positioning post, the normal working of a slide valve is ensured; and the deep hole reaming cutter with the positioning post is used for processing the inner sleeve hole of the main steam valve of the steam turbine.
Description
Technical field
The utility model relates to a kind of reamer.
Background technology
Sleeve is one of building block of stop valve, and the machining accuracy of this parts endoporus will influence the sensitivity of guiding valve, and therefore, sleeve endoporus precision prescribed is high, requires to reach the requirement of 0.03mm linearity after this parts endoporus fine finishining.At present, adopt common spreading reamer, but the linearity and the precision of processing back sleeve endoporus do not reach designing requirement, need reamer is improved, with quality and the instructions for use of satisfying product to the processing of sleeve endoporus ream.
The utility model content
The purpose of the utility model is the sleeve endoporus that adopts existing reamer processing Steam Turbine's Main Vaper Valve for solving, and has the lower problem of linearity of sleeve endoporus, and then a kind of deep hole reamer with reference column is provided.
The utility model is to address the above problem the technical scheme of taking to be: a kind of deep hole reamer with reference column of the utility model comprises cutter hub and handle of a knife; It circumferentially is uniformly distributed with the outer wall upper edge of cutter hub and is processed with a plurality of cutters tooth; This reamer also comprises reference column, and reference column is arranged between cutter hub and the handle of a knife and the three is coaxial connects as one.
The beneficial effect of the utility model is: the utility model is designed with reference column; Reference column is positioned at the machining hole inner surface; Overcome the beat of cutting edge of the cutter tooth of original reamer; Guarantee the linearity of sleeve endoporus, satisfied requirement on machining accuracy, reached the requirement of 0.03mm linearity after the processing of sleeve endoporus.The utility model uses through reality, has guaranteed the operate as normal of guiding valve.
Description of drawings
Fig. 1 is the utility model overall structure front view, and Fig. 2 is the A-A profile of Fig. 1, and Fig. 3 is the B-B profile of Fig. 1.
The specific embodiment
The specific embodiment one: combine Fig. 1～Fig. 3 that this embodiment is described; A kind of deep hole reamer with reference column of this embodiment comprises cutter hub 1 and handle of a knife 3; It circumferentially is uniformly distributed with the outer wall upper edge of cutter hub 1 and is processed with a plurality of cutter tooth 1-1; This reamer also comprises reference column 2, and reference column 2 is arranged between cutter hub 1 and the handle of a knife 3 and the three is coaxial connects as one.
The specific embodiment two: combine Fig. 1 that this embodiment is described, the D outer diameter of the reference column 2 of this embodiment is than D outer diameter 1 little 0.01mm～0.03mm of cutter tooth 1-1.So be provided with, can fully guarantee positioning accuracy.Other is identical with the specific embodiment one.
The specific embodiment three: combine Fig. 3 that this embodiment is described; Its length direction of outer wall upper edge of the reference column 2 of this embodiment is processed with three V-type grooves; Described three V-type grooves are along circumferentially being uniformly distributed with setting, and the angle γ of two end faces in described each V-type groove is 90 °.So be provided with, both reduced the contact area of reference column and endoporus, reduce cutting resistance, can hold smear metal again, the protection machined surface is not by the smear metal scratch.Other is identical with the specific embodiment one or two.
The specific embodiment four: combine Fig. 2 that this embodiment is described, the anterior angle α of the cutter tooth 1-1 of this embodiment is 3 °, and the relief angle β of cutter tooth 1-1 is 8 °.So be provided with, meet design requirement.Other is identical with the specific embodiment one or two.
Claims (4)
1. deep hole reamer with reference column; This reamer comprises cutter hub (1) and handle of a knife (3); It circumferentially is uniformly distributed with the outer wall upper edge of cutter hub (1) and is processed with a plurality of cutters tooth (1-1); It is characterized in that: this reamer also comprises reference column (2), and reference column (2) is arranged between cutter hub (1) and the handle of a knife (3) and the three is coaxial connects as one.
2. a kind of deep hole reamer with reference column according to claim 1 is characterized in that: the external diameter (D) of reference column (2) is than the little 0.01mm～0.03mm of external diameter (D1) of cutter tooth (1-1).
3. a kind of deep hole reamer according to claim 1 and 2 with reference column; It is characterized in that: its length direction of outer wall upper edge of reference column (2) is processed with three V-type grooves; Described three V-type grooves are along circumferentially being uniformly distributed with setting, and the angle (γ) of two end faces in described each V-type groove is 90 °.
4. a kind of deep hole reamer with reference column according to claim 1 and 2 is characterized in that: the anterior angle (α) of cutter tooth (1-1) is 3 °, and the relief angle (β) of cutter tooth (1-1) is 8 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120386808XU CN202212654U (en) | 2011-10-12 | 2011-10-12 | Deep hole reaming cutter with positioning post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120386808XU CN202212654U (en) | 2011-10-12 | 2011-10-12 | Deep hole reaming cutter with positioning post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202212654U true CN202212654U (en) | 2012-05-09 |
Family
ID=46011924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120386808XU Expired - Lifetime CN202212654U (en) | 2011-10-12 | 2011-10-12 | Deep hole reaming cutter with positioning post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202212654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938355A (en) * | 2017-03-20 | 2017-07-11 | 哈尔滨汽轮机厂有限责任公司 | A kind of carbide-tipped reamer and its processing method |
-
2011
- 2011-10-12 CN CN201120386808XU patent/CN202212654U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938355A (en) * | 2017-03-20 | 2017-07-11 | 哈尔滨汽轮机厂有限责任公司 | A kind of carbide-tipped reamer and its processing method |
| CN106938355B (en) * | 2017-03-20 | 2019-01-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of carbide-tipped reamer and its processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
|
| CX01 | Expiry of patent term |