CN101456141A - Combustion-engine fixed blade ring exterior-ring sheave-groove processing feeler-block - Google Patents
Combustion-engine fixed blade ring exterior-ring sheave-groove processing feeler-block Download PDFInfo
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- CN101456141A CN101456141A CNA2007101723402A CN200710172340A CN101456141A CN 101456141 A CN101456141 A CN 101456141A CN A2007101723402 A CNA2007101723402 A CN A2007101723402A CN 200710172340 A CN200710172340 A CN 200710172340A CN 101456141 A CN101456141 A CN 101456141A
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- fixed blade
- orthographic projection
- blade ring
- outer shroud
- processing
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Abstract
The invention discloses a processing feeler block for an outer ring race of a fixed blade ring of a combustion engine, which is used for processing the outer ring race of the fixed blade ring of the combustion engine and comprises a reference block and a plate vertically fixed on the reference block through bolts, wherein the orthographic projection of the reference block is a pentagon, one surface of the pentagon is a circular conical surface, while the other surfaces are plane surfaces; and the reference block consists of a part provided with the circular conical surface and rectangular orthographic projection, and the other part which is integrated with the part and is provided with the same circular conical surface and right trapezoid shaped orthographic projection. The processing feeler block for the outer ring race of the fixed blade ring of the combustion engine provides an accurate and reliable feeler block for processing a fixed blade ring race of the combustion engine, ensures the process precision, simplifies numerical control programs, can satisfy the corrections of cutting feed inclination angle, cutting feed length, cutting feed depth and cutting feed position simultaneously to better ensure the processing precision and quality, and saves the processing time.
Description
Technical field
The present invention relates to gas turbine field, power station, relate in particular to a kind of combustion machine fixed blade ring outer shroud race processing feeler block.
Technical background
Usually combustion machine fixed blade ring is one of difficult point of whole gas turbine manufacturing owing to its processing request height, the novel complexity of product structure.Rationally correct, the accurate qualified of product quality of processing are to guarantee gas turbine operation safety and high efficiency key.
Usually, tool setting device mainly is made of feeler block and clearance gauge, in order to determine the relative position of anchor clamps and cutter.Feeler block commonly used has:
Height feeler block: tool setting during processing plane;
Right angle feeler block: tool setting when processing keyway or step surface;
Shaping feeler block: tool setting when shaping the surface;
Clearance gauge is used to check the gap between cutter and the feeler block, directly contacts with feeler block to avoid cutter.
A kind of feeler block can only satisfy the alignment requirements of single aspect, yet for combustion machine fixed blade ring outer shroud, its outer shroud race size is big, wall thickness, very easily distortion in process, and product requirement height, the molded lines change in size is big, and difficulty of processing is big, and the size Control difficulty is also very big.
The interior circle of fixed blade ring outer shroud and the diameter of cylindrical are big, so wall thickness is thinner, and toroidal if therefore adopt conventional tool setting mode, is difficult to satisfy the processing needs of new product for conical in adding.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, and provide a kind of combustion machine fixed blade ring outer shroud race to process feeler block, for the processing of combustion machine fixed blade ring race provides feeler block accurately and reliably, guarantee machining accuracy, simplify numerical control program, can satisfy the calibration of feed inclination angle, feed length, depth of cut and feed position simultaneously, guarantee machining accuracy and quality better, and save process time.
The technical scheme that realizes above-mentioned purpose is: a kind of combustion machine fixed blade ring outer shroud race processing feeler block, be used for firing the processing of machine fixed blade ring outer shroud race, wherein, comprise that a reference block and is by the plate of screw vertical fixing on reference block, the orthographic projection of this reference block is a pentagon, and one of them face is a taper seat, remaining face is the plane, described reference block is shaped as rectangle by orthographic projection and has the part of taper seat and another part of being shaped as right-angled trapezium with it by the orthographic projection of one and having an identical taper seat is constituted, wherein:
Described orthographic projection is the part of rectangle, is installed with a circular hole on its taper seat, and the thickest side and the described plate at this rectangle minor face place are fixed by screw in the orthographic projection;
Described orthographic projection is that the side, place, long and short limit of the part of right-angled trapezium is respectively first bottom surface and second bottom surface, the shape of described first bottom surface and size and described orthographic projection are that the side, place, long limit of part of rectangle is identical and be one, described and orthographic projection are that the relative plane of the taper seat of part of right-angled trapezium is vertical with second bottom surface respectively at first bottom surface, and the circular arc limit of second bottom surface and the circular arc limit of first bottom surface are positioned at the taper seat that taper seat that same taper seat and this taper seat and orthographic projection have for the rectangular portion branch has constituted reference block.
Above-mentioned combustion machine fixed blade ring outer shroud race processing feeler block, wherein, described orthographic projection is that the long edge lengths A of the part of rectangle is the size that the thickness of the whole outer shroud of required processing deducts land length.
Above-mentioned combustion machine fixed blade ring outer shroud race processing feeler block, wherein, the center of described circular hole to described orthographic projection be rectangle part minor face be that the outer shroud air inlet end face of required processing is to the distance of taking turns groove center apart from B.
Above-mentioned combustion machine fixed blade ring outer shroud race processing feeler block, wherein, described orthographic projection is that the hypotenuse of part of right-angled trapezium and the angle C of horizontal direction are the gradient of the race of required processing.
Above-mentioned combustion machine fixed blade ring outer shroud race processing feeler block, wherein, the angle E of the bus of the taper seat of described reference block and vertical direction is the tapering half-angle of the interior circle of fixed blade ring outer shroud of required processing.
Above-mentioned combustion machine fixed blade ring outer shroud race processing feeler block, wherein, the small end face diameter D of the taper seat of described reference block provides according to the large end face in the female cone hole of fixed blade ring outer shroud, this diameter D=(the minimum end face diameter of fixed blade ring outer shroud female cone/2)+[described orthographic projection is the long edge lengths A * tg (fixed blade ring outer shroud female cone hole tapering half-angle) of the part of rectangle].
The invention has the beneficial effects as follows: the present invention can realize three kinds of functions simultaneously, saved the design of other measurer frocks, provide cost savings, and a multipotency, easy to use, can simplify the difficulty of numerical control programming greatly, complexity line structure on the product drawing is converted to the structure of easy measurement, be with facility to operating personnel, can have guaranteed machining accuracy and quality better, and saved process time.
The complex structure of gas turbine fixed blade ring outer shroud, race processing also is the most important thing, use this feeler block to save the tool setting time well, and multinomial dimensional requirement is transferred in the school simultaneously, processing for whole fixed blade ring, and even whole gas turbine reduced process time, reduced the spending of costs such as other frocks.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the front view of reference block of the present invention;
Fig. 3 is the cutaway view of the A-A of the reference block among Fig. 2;
Fig. 4 is the vertical view of reference block of the present invention;
Fig. 5 is the use schematic diagram of reference block of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
See also Fig. 1 to Fig. 5, there is shown a kind of combustion machine fixed blade ring outer shroud race processing feeler block of the present invention, be used for firing the race processing of machine fixed blade ring outer shroud 4, comprise that a reference block 1 and is by the plate 3 of screw 2 vertical fixing on reference block 1, the orthographic projection of this reference block is a pentagon, and one of them face is a taper seat, remaining face is the plane, it comprises that orthographic projection is shaped as rectangle and has the part 11 of taper seat and be shaped as right-angled trapezium with it for the orthographic projection of one and have another part 12 of identical taper seat, wherein:
Be to be installed with a circular hole 13 on the taper seat of part 11 of rectangle in the reference block orthographic projection, the thickest side 111 at these rectangle minor face 113 places is fixing by screw 2 with plate 3;
Orthographic projection is the length of the part 12 of right-angled trapezium, side, minor face place is respectively first bottom surface 121 and second bottom surface 122, the shape of this first bottom surface 121 and size and described orthographic projection are that side, place, the long limit (not shown) of part 11 of rectangle is identical and be one, with orthographic projection is that the relative plane of the taper seat of part of right-angled trapezium is vertical with second bottom surface 122 respectively at first bottom surface 121, the circular arc limit 1211 of the circular arc limit 1221 of second bottom surface 122 and first bottom surface 121 be positioned at same taper seat and this taper seat and orthographic projection be rectangle part 11 with taper seat constituted the taper seat of reference block 1.
Orthographic projection is that long limit 112 length A of the part 11 of rectangle are the size that the thickness of the whole outer shroud of required processing deducts land length.
The center of circular hole 13 to orthographic projection be rectangle part 11 minor face 113 apart from B be required processing outer shroud air inlet end face to the wheel groove center distance.
Orthographic projection is that the hypotenuse of part of right-angled trapezium and the angle C of horizontal direction are the gradient of the race of required processing.
The angle E of reference block 1 taper seat bus and vertical direction is the tapering half-angle of circle in the fixed blade ring outer shroud.
Reference block is an integrated entity, wherein artificial the division defines two parts for analytical structure, the small end face diameter D of this taper seat provides according to the large end face in the female cone hole of fixed blade ring outer shroud, this diameter D=(the minimum end face diameter of fixed blade ring outer shroud female cone/2)+[described orthographic projection is the long edge lengths A * tg (fixed blade ring outer shroud female cone hole tapering half-angle) of the part of rectangle].
The minimum thickness F of reference block 1 taper seat determines according to depth of cut, generally can not be less than 5mm.
During use, the taper seat G of reference block 1 and the internal conical surface of fixed blade ring outer shroud 4 are fitted, and the plane H of plate 3 is affixed on the air inlet end face of outer shroud 4, at this moment, circular hole 13 centers on the reference block 1 are overlapping with the wheel groove center, use the axiality of dial gauge check and correction cutter and reference block, can guarantee the feed center.To be affixed on the planar I of reference block 1 to the socket cap end face of the Knife tool greater than the race of Circularhole diameter on the reference block 1, can convert obtains actual required depth of cut.During according to the numerical control program milling, can utilize the gradient C of reference block 1 to guarantee that the direction of processing gradient is accurate.
In sum, this feeler block can be realized three kinds of functions altogether, that is: 1. schools are transferred axiality 2. schools to transfer in the cutter degree of depth 3. schools and transferred the processing gradient.
Below embodiment has been described in detail the present invention in conjunction with the accompanying drawings, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not constitute limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (6)
1. a combustion machine fixed blade ring outer shroud race is processed feeler block, be used for firing the processing of machine fixed blade ring outer shroud race, it is characterized in that, comprise that a reference block and is by the plate of screw vertical fixing on reference block, the orthographic projection of this reference block is a pentagon, and one of them face is a taper seat, remaining face is the plane, described reference block is shaped as rectangle by orthographic projection and has the part of taper seat and another part of being shaped as right-angled trapezium with it by the orthographic projection of one and having an identical taper seat is constituted, wherein:
Described orthographic projection is the part of rectangle, is installed with a circular hole on its taper seat, and the thickest side and the described plate at this rectangle minor face place are fixed by screw in the orthographic projection;
Described orthographic projection is that the side, place, long and short limit of the part of right-angled trapezium is respectively first bottom surface and second bottom surface, the shape of described first bottom surface and size and described orthographic projection are that the side, place, long limit of part of rectangle is identical and be one, described and orthographic projection are that the relative plane of the taper seat of part of right-angled trapezium is vertical with second bottom surface respectively at first bottom surface, and the circular arc limit of second bottom surface and the circular arc limit of first bottom surface are positioned at the taper seat that taper seat that same taper seat and this taper seat and orthographic projection have for the rectangular portion branch has constituted reference block.
2. combustion machine fixed blade ring outer shroud race according to claim 1 processing feeler block is characterized in that, described orthographic projection is that the long edge lengths A of the part of rectangle is the size that the thickness of the whole outer shroud of required processing deducts land length.
3. combustion machine fixed blade ring outer shroud race according to claim 1 processing feeler block is characterized in that, the center of described circular hole to described orthographic projection be rectangle part minor face be that the outer shroud air inlet end face of required processing is to the distance of taking turns groove center apart from B.
4. combustion machine fixed blade ring outer shroud race according to claim 1 processing feeler block is characterized in that, described orthographic projection is that the hypotenuse of part of right-angled trapezium and the angle C of horizontal direction are the gradient of the race of required processing.
5. combustion machine fixed blade ring outer shroud race processing feeler block according to claim 1 is characterized in that, the angle E of the bus of the taper seat of described reference block and vertical direction is the tapering half-angle of the interior circle of fixed blade ring outer shroud of required processing.
6. combustion machine fixed blade ring outer shroud race processing feeler block according to claim 2, it is characterized in that, the small end face diameter D of the taper seat of described reference block provides according to the large end face in the female cone hole of fixed blade ring outer shroud, this diameter D=(the minimum end face diameter of fixed blade ring outer shroud female cone/2)+[described orthographic projection is the long edge lengths A * tg (fixed blade ring outer shroud female cone hole tapering half-angle) of the part of rectangle].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101723402A CN101456141B (en) | 2007-12-14 | 2007-12-14 | Combustion-engine fixed blade ring exterior-ring sheave-groove processing feeler-block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101723402A CN101456141B (en) | 2007-12-14 | 2007-12-14 | Combustion-engine fixed blade ring exterior-ring sheave-groove processing feeler-block |
Publications (2)
| Publication Number | Publication Date |
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| CN101456141A true CN101456141A (en) | 2009-06-17 |
| CN101456141B CN101456141B (en) | 2010-06-23 |
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| CN2007101723402A Active CN101456141B (en) | 2007-12-14 | 2007-12-14 | Combustion-engine fixed blade ring exterior-ring sheave-groove processing feeler-block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091881A (en) * | 2016-06-15 | 2016-11-09 | 哈尔滨汽轮机厂有限责任公司 | Gas turbine fixed blade ring outer shroud dovetail groove survey tool and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1863907A (en) * | 1930-11-03 | 1932-06-21 | John M Luers | Tool holder and blade protector |
| CN2557283Y (en) * | 2002-07-02 | 2003-06-25 | 关学成 | Digital display cutter position adjuster for digital controlled machine |
| CN2683287Y (en) * | 2003-04-17 | 2005-03-09 | 陈世辉 | Cutter aligning device for machining cone |
| DE10322340B4 (en) * | 2003-05-17 | 2006-09-14 | Mtu Aero Engines Gmbh | Method and device for milling free-form surfaces |
| CN2825200Y (en) * | 2005-09-21 | 2006-10-11 | 哈尔滨量具刃具集团有限责任公司 | Tool setting device |
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2007
- 2007-12-14 CN CN2007101723402A patent/CN101456141B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091881A (en) * | 2016-06-15 | 2016-11-09 | 哈尔滨汽轮机厂有限责任公司 | Gas turbine fixed blade ring outer shroud dovetail groove survey tool and method |
| CN106091881B (en) * | 2016-06-15 | 2018-07-27 | 哈尔滨汽轮机厂有限责任公司 | Gas turbine fixed blade ring outer shroud dovetail groove survey tool and method |
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| Publication number | Publication date |
|---|---|
| CN101456141B (en) | 2010-06-23 |
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