CN108127337B - A kind of processing method of nuclear power sleeve - Google Patents
A kind of processing method of nuclear power sleeve Download PDFInfo
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- CN108127337B CN108127337B CN201711184402.1A CN201711184402A CN108127337B CN 108127337 B CN108127337 B CN 108127337B CN 201711184402 A CN201711184402 A CN 201711184402A CN 108127337 B CN108127337 B CN 108127337B
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- inner hole
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- back part
- nuclear power
- outer circle
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
A kind of processing method of nuclear power sleeve, the present invention relates to the processing methods of sleeve.The invention solves the processing of existing nuclear power sleeve, that there are components is easily-deformable, and component need to carry out nitrogen treatment, complex process, and component inner hole and outer circle not can guarantee the problem of coaxial precision is 0.02mm.Method: the outer circle of turning nuclear power sleeve, inner hole and end face, component after obtaining a turning, component after turning is heat-treated, component after turning heat treatment, obtain secondary turning back part, outer six sides quasi- to one side milling of secondary turning back part and turning straight hole, the outer circle and inner hole of outer six side's components quasi- to milling are tin plating, it is ground the first inner hole of tin plating back part, third inner hole and outer circle, then it is nitrogenized, cut the first inner hole of quasi- nitridation back part, second inner hole and third diameter of bore, it obtains cutting quasi- inner hole back part, cutting the setting of quasi- inner hole back part both ends silently, finally it is ground quasi- outside diameter, obtain the component for being ground quasi- outside diameter.
Description
Technical field
The present invention relates to the processing methods of sleeve.
Background technique
Nuclear power sleeve is one of the component of steam-turbine unit, is thin-wall workpiece, and outer circle and inner hole require to carry out at nitridation
Reason, existing component processing have the following problems:
1, component is easily-deformable；
2, component need to carry out nitrogen treatment, complex process；
3, component inner hole and outer circle not can guarantee coaxial precision 0.02mm.
Summary of the invention
The invention solves the processing of existing nuclear power sleeve, that there are components is easily-deformable, and component need to carry out nitrogen treatment, and technique is multiple
Miscellaneous, component inner hole and outer circle not can guarantee the problem of coaxial precision is 0.02mm, and provide a kind of processing method of nuclear power sleeve.
A kind of processing method of nuclear power sleeve follows the steps below:
One, in outer circle, inner hole and the end face of horizontal lathe turning nuclear power sleeve, the single side chipping allowance of outer circle and inner hole is equal
Component for 2.5mm~3.5mm, after obtaining a turning；
The inner hole is followed successively by the first inner hole, the second inner hole and third inner hole along nuclear power length sleeve direction；Described
The diameter of first inner hole, the second inner hole and third inner hole is sequentially increased；
Two, the component after a turning is carried out being heat-treated to HRC28~32, the component after being heat-treated；
Three, horizontal lathe turning heat treatment after component, the first inner hole, the second inner hole and third inner hole single side cutting more than
Amount is 0.15mm~0.25mm, and outer circle single side chipping allowance is 0.35mm~0.45mm, and external screw thread is not processed, remaining size is pressed
Drawing vehicle is quasi-, obtains secondary turning back part；
Four, very little in quasi- outer six square chi of first inner hole one side milling of the milling machine to secondary turning back part, and external six sides turning
Straight hole obtains the quasi- outer six side's components of milling；
Five, the outer circle of outer six side's components quasi- to milling and inner hole are tin plating, obtain tin plating back part；
Six, in the first inner hole and third inner hole of the tin plating back part of inner hole grinding machine, the first inner hole and third inner hole list
Face chipping allowance is 0.05mm~0.15mm, obtains inner hole grinding back part；
Seven, in the outer circle of outer circle grinding machine inner hole grinding back part, outer circle single side chipping allowance be 0.15mm~
0.25mm obtains cylindricalo grinding back part；
Eight, grinding back part is nitrogenized to foreign round, depth of nitration >=0.5mm, obtains nitridation back part；
Nine, it in the first inner hole, the second inner hole and the third diameter of bore of inner hole grinding machine quasi- nitridation back part, is cut
Quasi- inner hole back part；
Ten, a left side is set silently in the straight hole for cutting quasi- inner hole back part, is set in the third inner hole for cutting quasi- inner hole back part
Set the right side silently；
The left side is silently made of the first top fixed structure, first end cover and the first support construction, and described first
The side of top fixed structure is equipped with top top and holds centre bore, and the other side and first end cover side of the first top fixed structure are solid
Fixed connection, the other side of first end cover is fixedly connected with the first support construction, and the first groove 2- is arranged in the first support construction
3；First support construction is matched with straight hole size；
The right side is silently made of the second top fixed structure, second end cover, the second support construction and cone seat, described
The side of second top fixed structure is equipped with top top and holds centre bore, the other side of the second top fixed structure and second end cover one
Side is fixedly connected, and the other side of second end cover is fixedly connected with the side of cone seat, the other side of cone seat and the second support construction
Side is fixedly connected, and the second support construction side is equipped with centre bore, and the depth of centre bore is greater than the length of the second support construction,
Second groove is set in the second support construction；The taper of the cone seat be 1:(18~22), and cone seat side bottom circular diameter with
Second end cover diameter is identical, and cone seat other side bottom circular diameter is less than the second support construction diameter, the diameter of the second end cover
Greater than third diameter of bore, the diameter of second support construction is less than third diameter of bore；
Then it is held with top top and holds centre bore on left top top silently and centre bore is held on right top top silently, finally ground
Quasi- outside diameter is cut, the component for being ground quasi- outside diameter is obtained；
11, in the quasi- external screw thread of horizontal lathe turning；
12, pincers worker is carved characters, that is, completes a kind of processing method of nuclear power sleeve.
The beneficial effects of the present invention are:
Using effect of the present invention is good, first uses tin plating protection, then remove and need to nitrogenize the tin plating of position, finally carries out nitrogen
The process program of change, so that inner hole and outer circle nitridation face nitrogenizes, reach its surface hardness and require, and the tin plating guarantor of other faces
It is not nitrogenized after shield, turnery processing can be carried out.For the coaxial required precision for guaranteeing inner hole, outer circle, development and Application positioning bulkhead,
Take two silently abutment sleeve both ends carry out grinding outer circle technological measure so that outer circle, female coaxial reach after the component processing
Within 0.02mm, product processing quality ensure that.
The processing method that the present invention is used for a kind of nuclear power sleeve.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of nuclear power sleeve of the present invention；
Fig. 2 is cross-sectional view of the Fig. 1 along the direction D-D；
Fig. 3 is the left structural schematic diagram silently of the present invention；
Fig. 4 is cross-sectional view of the Fig. 3 along the direction A-A；
Fig. 5 is the right structural schematic diagram silently of the present invention；
Fig. 6 is cross-sectional view of the Fig. 5 along the direction B-B；
Fig. 7 be it is left silently, right silently cooperate schematic diagram with nuclear power sleeve.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a seed nucleus described in present embodiment in conjunction with Fig. 1 to Fig. 7
The processing method of electric sleeve follows the steps below:
One, in outer circle, inner hole and the end face of horizontal lathe turning nuclear power sleeve 1, the single side chipping allowance of outer circle and inner hole
It is 2.5mm~3.5mm, the component after obtaining a turning；
The inner hole is followed successively by the first inner hole 1-1, the second inner hole 1-2 and third inner hole along 1 length direction of nuclear power sleeve
1-3；The diameter of first inner hole 1-1, the second inner hole 1-2 and third inner hole 1-3 are sequentially increased；
Two, the component after a turning is carried out being heat-treated to HRC28~32, the component after being heat-treated；
Three, the component after horizontal lathe turning heat treatment, the first inner hole 1-1, the second inner hole 1-2 and third inner hole 1-3
Single side chipping allowance is 0.15mm~0.25mm, and outer circle single side chipping allowance is 0.35mm~0.45mm, and external screw thread is not processed,
Remaining size is quasi- by drawing vehicle, obtains secondary turning back part；
Four, very little in quasi- outer six square chi of first inner hole 1-1 mono- side milling of the milling machine to secondary turning back part, and external six sides vehicle
Straight hole 1-4 is cut, the quasi- outer six side's components of milling are obtained；
Five, the outer circle of outer six side's components quasi- to milling and inner hole are tin plating, obtain tin plating back part；
Six, in the first inner hole 1-1 of the tin plating back part of inner hole grinding machine and third inner hole 1-3, the first inner hole 1-1 and
Three inner hole 1-3 single side chipping allowances are 0.05mm~0.15mm, obtain inner hole grinding back part；
Seven, in the outer circle of outer circle grinding machine inner hole grinding back part, outer circle single side chipping allowance be 0.15mm~
0.25mm obtains cylindricalo grinding back part；
Eight, grinding back part is nitrogenized to foreign round, depth of nitration >=0.5mm, obtains nitridation back part；
Nine, straight in the first inner hole 1-1, the second inner hole 1-2 and third inner hole 1-3 of inner hole grinding machine quasi- nitridation back part
Diameter obtains cutting quasi- inner hole back part；
Ten, left silently 2 are arranged in the straight hole 1-4 for cutting quasi- inner hole back part, in the third inner hole for cutting quasi- inner hole back part
Setting right silently 3 in 1-3；
The left side silently 2 is made of the first top fixed structure 2-1, first end cover 2-2 and the first support construction 2-4,
The side of the top fixed structure 2-1 of described first is equipped with top top and holds centre bore, the other side of the first top fixed structure 2-1
It is fixedly connected with the side first end cover 2-2, the other side of first end cover 2-2 is fixedly connected with the first support construction 2-4, and first
First groove 2-3 is set on support construction 2-4；The first support construction 2-4 is matched with straight hole 1-4 size；
It is described right silently 3 by the second top fixed structure 3-1, second end cover 3-2, the second support construction 3-4 and cone seat
3-5 composition, the side of the top fixed structure 3-1 of described second are equipped with top top and hold centre bore, the second top fixed structure 3-1
The other side be fixedly connected with the side second end cover 3-2, the other side of second end cover 3-2 is fixedly connected with the side of cone seat 3-5,
The other side of cone seat 3-5 is fixedly connected with the side of the second support construction 3-4, and the second side support construction 3-4 is equipped with centre bore
3-6, and the depth of centre bore 3-6 is greater than the length of the second support construction 3-4, and the second groove is arranged on the second support construction 3-4
3-3；The taper of the cone seat 3-5 is 1:(18~22), and the side cone seat 3-5 bottom circular diameter and second end cover 3-2 diameter phase
Together, the other side cone seat 3-5 bottom circular diameter is less than the second support construction 3-4 diameter, and the diameter of the second end cover 3-2 is greater than the
The diameter of three inner hole 1-3 diameters, the second support construction 3-4 is less than third inner hole 1-3 diameter；
Then with top top hold it is left silently 2 top top hold centre bore and it is right silently 3 top top hold centre bore, finally
It is ground quasi- outside diameter, obtains the component for being ground quasi- outside diameter；
11, in the quasi- external screw thread of horizontal lathe turning；
12, pincers worker is carved characters, that is, completes a kind of processing method of nuclear power sleeve.
The tin plating effect of present embodiment is that, in postorder nitridation, tin plating face will not be nitrogenized, and is processed convenient for postorder.
The beneficial effect of present embodiment is:
Present embodiment using effect is good, first uses tin plating protection, then remove and need to nitrogenize the tin plating of position, most laggard
The process program of row nitridation, so that inner hole and outer circle nitridation face are nitrogenized, reach the requirement of its surface hardness, and other faces are plated
It is not nitrogenized after tin protection, turnery processing can be carried out.For the coaxial required precision for guaranteeing inner hole, outer circle, development and Application positioning
Silently, take two silently abutment sleeve both ends carry out grinding outer circle technological measure so that outer circle, inner hole are same after the component processing
Axis reaches within 0.02mm, ensure that product processing quality.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: straight hole described in step 4
1-4 diameter is 69mm.It is other same as the specific embodiment one.
Specific embodiment 3: unlike one of present embodiment and specific embodiment one or two: institute in step 9
The the first inner hole 1-1 diameter stated is 67mm；The second inner hole 1-2 diameter is 120mm, the third inner hole 1-3 diameter
For 151.92mm.It is other the same as one or two specific embodiments.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: institute in step 10
The diameter of the first support construction 2-4 stated is 69mm.It is other identical as specific embodiment one to three.
Specific embodiment 5: unlike one of present embodiment and specific embodiment one to four: institute in step 10
The diameter of the second support construction 3-4 stated is 141.6mm.It is other identical as specific embodiment one to four.
Specific embodiment 6: unlike one of present embodiment and specific embodiment one to five: institute in step 10
The diameter of the second end cover 3-2 stated is 142.1mm.It is other identical as specific embodiment one to five.
Specific embodiment 7: unlike one of present embodiment and specific embodiment one to six: institute in step 10
The diameter of the centre bore 3-6 stated is 100mm, depth 30mm.It is other identical as specific embodiment one to six.
Specific embodiment 8: unlike one of present embodiment and specific embodiment one to seven: step 1 China and foreign countries
Round and inner hole single side chipping allowance is 3mm.It is other identical as specific embodiment one to seven.
Specific embodiment 9: unlike one of present embodiment and specific embodiment one to eight: in step 3
One inner hole 1-1, the second inner hole 1-2 and third inner hole 1-3 single side chipping allowance are 0.2mm, and outer circle single side chipping allowance is
0.4mm.It is other identical as specific embodiment one to eight.
Specific embodiment 10: unlike one of present embodiment and specific embodiment one to nine: in step 6
One inner hole 1-1 and third inner hole 1-3 single side chipping allowance are 0.1mm.It is other identical as specific embodiment one to nine.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment one:
Pre-turning the first inner hole 1-1 diameter is 67mm, and the second inner hole 1-2 diameter is 120mm, and third inner hole 1-3 diameter is
151.92mm, outside diameter are the nuclear power sleeve of 151.92mm；
A kind of processing method of nuclear power sleeve follows the steps below:
One, in outer circle, inner hole and the end face of horizontal lathe turning nuclear power sleeve 1, the single side chipping allowance of outer circle and inner hole
It is 3mm, the component after obtaining a turning；
The inner hole is followed successively by the first inner hole 1-1, the second inner hole 1-2 and third inner hole along 1 length direction of nuclear power sleeve
1-3；
Two, the component after a turning is carried out being heat-treated to HRC28~32, the component after being heat-treated；
Three, the component after horizontal lathe turning heat treatment, the first inner hole 1-1, the second inner hole 1-2 and third inner hole 1-3
Single side chipping allowance is 0.2mm, and outer circle single side chipping allowance is 0.4mm, and external screw thread is not processed, remaining size vehicle standard to drawing
Size obtains secondary turning back part；
Four, very little in quasi- outer six square chi of first inner hole 1-1 mono- side milling of the milling machine to secondary turning back part, and external six sides vehicle
Straight hole 1-4 is cut, the quasi- outer six side's components of milling are obtained；
The straight hole 1-4 diameter is 69mm；
Five, the outer circle of outer six side's components quasi- to milling, the first inner hole 1-1, the second inner hole 1-2 and third inner hole 1-3 are tin plating, obtain
To tin plating back part；
Six, in the first inner hole 1-1 of the tin plating back part of inner hole grinding machine and third inner hole 1-3, the first inner hole 1-1 and
Three inner hole 1-3 single side chipping allowances are 0.1mm, obtain inner hole grinding back part；
Seven, in the outer circle of outer circle grinding machine inner hole grinding back part, outer circle single side chipping allowance is 0.2mm, is obtained outer
Circle grinding back part；
Eight, grinding back part is nitrogenized to foreign round, depth of nitration >=0.5mm, obtains nitridation back part；
It nine, is 67mm in the diameter of the first inner hole 1-1 of inner hole grinding machine quasi- nitridation back part, the second inner hole 1-2 is straight
Diameter is 120mm, and third inner hole 1-3 diameter is 151.92mm, obtains cutting quasi- inner hole back part；
Ten, left silently 2 are arranged in the straight hole 1-4 for cutting quasi- inner hole back part, in the third inner hole for cutting quasi- inner hole back part
Setting right silently 3 in 1-3；
The left side silently 2 is made of the first top fixed structure 2-1, first end cover 2-2 and the first support construction 2-4,
The side of the top fixed structure 2-1 of described first is equipped with top top and holds centre bore, the other side of the first top fixed structure 2-1
It is fixedly connected with the side first end cover 2-2, the other side of first end cover 2-2 is fixedly connected with the first support construction 2-4, and first
First groove 2-3 is set on support construction 2-4；The first support construction 2-4 is matched with straight hole 1-4 size；
The diameter of the first support construction 2-4 is 69mm；The depth and straight hole 1- of the first support construction 2-4
4 depth is identical；
It is described right silently 3 by the second top fixed structure 3-1, second end cover 3-2, the second support construction 3-4 and cone seat
3-5 composition, the side of the top fixed structure 3-1 of described second are equipped with top top and hold centre bore, the second top fixed structure 3-1
The other side be fixedly connected with the side second end cover 3-2, the other side of second end cover 3-2 is fixedly connected with the side of cone seat 3-5,
The other side of cone seat 3-5 is fixedly connected with the side of the second support construction 3-4, and the second side support construction 3-4 is equipped with centre bore
3-6, and the depth of centre bore 3-6 is greater than the length of the second support construction 3-4, and the second groove is arranged on the second support construction 3-4
3-3；The taper of the cone seat 3-5 is 1:20, and the side cone seat 3-5 bottom circular diameter is identical as second end cover 3-2 diameter, cone seat
The other side 3-5 bottom circular diameter is greater than third inner hole less than the second support construction 3-4 diameter, the diameter of the second end cover 3-2
The diameter of 1-3 diameter, the second support construction 3-4 is less than third inner hole 1-3 diameter；
The diameter of the second support construction 3-4 is 141.6mm；The diameter of the second end cover 3-2 is
142.1mm；The diameter of the centre bore 3-6 is 100mm, depth 30mm；
Then with top top hold it is left silently 2 top top hold centre bore and it is right silently 3 top top hold centre bore, finally
Being ground quasi- outside diameter is 151.92mm, obtains the component for being ground quasi- outside diameter；
11, in the quasi- external screw thread of horizontal lathe turning；
12, pincers worker is carved characters, that is, completes a kind of processing method of nuclear power sleeve.
The present embodiment using effect is good, first uses tin plating protection, then remove and need to nitrogenize the tin plating of position, finally carries out
The process program of nitridation, so that inner hole and outer circle nitridation face are nitrogenized, reach the requirement of its surface hardness, and other faces are tin plating
It is not nitrogenized after protection, turnery processing can be carried out.For the coaxial required precision for guaranteeing inner hole, outer circle, development and Application positioning is bored
Head, take two silently abutment sleeve both ends carry out grinding outer circle technological measure so that outer circle, female coaxial after the component processing
Up within 0.02mm, product processing quality ensure that.
Claims (10)
1. a kind of processing method of nuclear power sleeve, it is characterised in that a kind of processing method of nuclear power sleeve be according to the following steps into
Capable:
One, in outer circle, inner hole and the end face of horizontal lathe turning nuclear power sleeve (1), the single side chipping allowance of outer circle and inner hole is equal
Component for 2.5mm~3.5mm, after obtaining a turning；
The inner hole is followed successively by the first inner hole (1-1), the second inner hole (1-2) and third along nuclear power sleeve (1) length direction
Hole (1-3)；The diameter of first inner hole (1-1), the second inner hole (1-2) and third inner hole (1-3) is sequentially increased；
Two, the component after a turning is carried out being heat-treated to HRC28~32, the component after being heat-treated；
Three, the component after horizontal lathe turning heat treatment, the first inner hole (1-1), the second inner hole (1-2) and third inner hole (1-
3) single side chipping allowance is 0.15mm~0.25mm, and outer circle single side chipping allowance is 0.35mm~0.45mm, and external screw thread is not added
Work, remaining size press drawing vehicle, obtain secondary turning back part；
Four, in outer six square chi cun of first inner hole (1-1) side milling of the milling machine to secondary turning back part, and external six sides turning is straight
Hole (1-4) obtains milling outer six side's components；
Five, tin plating to the outer circle, the first inner hole (1-1), the second inner hole (1-2) and the third inner hole (1-3) that mill outer six side's components, it obtains
To tin plating back part；
Six, in the first inner hole (1-1) of the tin plating back part of inner hole grinding machine and third inner hole (1-3), the first inner hole (1-1) and
Third inner hole (1-3) single side chipping allowance is 0.05mm~0.15mm, obtains inner hole grinding back part；
Seven, in the outer circle of outer circle grinding machine inner hole grinding back part, outer circle single side chipping allowance is 0.15mm~0.25mm, is obtained
To cylindricalo grinding back part；
Eight, grinding back part is nitrogenized to foreign round, depth of nitration >=0.5mm, obtains nitridation back part；
Nine, straight in the first inner hole (1-1), the second inner hole (1-2) and the third inner hole (1-3) of inner hole grinding machine nitridation back part
Diameter obtains cutting inner hole back part；
Ten, setting is left silently (2) in the straight hole (1-4) for cutting inner hole back part, in the third inner hole (1-3) for cutting inner hole back part
Interior setting is right silently (3)；
Left silently (2) are by the first top fixed structure (2-1), first end cover (2-2) and the first support construction (2-4) group
At the side of the top fixed structure of described first (2-1) is equipped with top top and holds centre bore, the first top fixed structure (2-1)
The other side be fixedly connected with the side first end cover (2-2), the other side of first end cover (2-2) and the first support construction (2-4)
It is fixedly connected, and the first groove (2-3) is set in the first support construction (2-4)；First support construction (2-4) and straight hole
(1-4) size matches；
Described right silently (3) by the second top fixed structure (3-1), second end cover (3-2), the second support construction (3-4) and
Cone seat (3-5) composition, the side of the top fixed structure of described second (3-1) are equipped with top top and hold centre bore, and second is top solid
The other side for determining structure (3-1) is fixedly connected with the side second end cover (3-2), the other side of second end cover (3-2) and cone seat (3-
5) side is fixedly connected, and the other side of cone seat (3-5) is fixedly connected with the side of the second support construction (3-4), the second support
The structure side (3-4) is equipped with centre bore (3-6), and the depth of centre bore (3-6) is greater than the length of the second support construction (3-4),
Second groove (3-3) is set in the second support construction (3-4)；The taper of the cone seat (3-5) is 1:(18~22), and cone seat
(3-5) side bottom circular diameter is identical as second end cover (3-2) diameter, and cone seat (3-5) other side bottom circular diameter is less than the second support
Structure (3-4) diameter, the diameter of the second end cover (3-2) are greater than third inner hole (1-3) diameter, the second support knot
The diameter of structure (3-4) is less than third inner hole (1-3) diameter；
Then it is held with top top and holds centre bore on the top top that centre bore and right silently (3) are held in the top top of left silently (2), finally
It is ground outside diameter, obtains the component of grinding outside diameter；
11, in horizontal lathe turning external screw thread；
12, pincers worker is carved characters, that is, completes a kind of processing method of nuclear power sleeve.
2. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that straight hole described in step 4
(1-4) diameter is 69mm.
3. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that first described in step 9
Inner hole (1-1) diameter is 67mm；Second inner hole (1-2) diameter is 120mm, and described third inner hole (1-3) diameter is
151.92mm。
4. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that first described in step 10
The diameter of support construction (2-4) is 69mm.
5. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that second described in step 10
The diameter of support construction (3-4) is 141.6mm.
6. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that second described in step 10
The diameter of end cap (3-2) is 142.1mm.
7. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that center described in step 10
The diameter in hole (3-6) is 100mm, depth 30mm.
8. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that outer circle and inner hole in step 1
Single side chipping allowance be 3mm.
9. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that the first inner hole (1- in step 3
1), the second inner hole (1-2) and third inner hole (1-3) single side chipping allowance are 0.2mm, outer circle single side chipping allowance 0.4mm.
10. a kind of processing method of nuclear power sleeve according to claim 1, it is characterised in that the first inner hole in step 6
(1-1) and third inner hole (1-3) single side chipping allowance are 0.1mm.
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| CN201711184402.1A CN108127337B (en) | 2017-11-23 | 2017-11-23 | A kind of processing method of nuclear power sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711184402.1A CN108127337B (en) | 2017-11-23 | 2017-11-23 | A kind of processing method of nuclear power sleeve |
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| CN108127337B true CN108127337B (en) | 2019-05-24 |
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| US7472464B2 (en) * | 2005-11-03 | 2009-01-06 | H&S Tool, Inc. | Milling head for removing heat dissipating elements from a tube |
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Effective date of registration: 20221220 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |