CN106514143A - Special machining method for large runner shaft coupling holes - Google Patents
Special machining method for large runner shaft coupling holes Download PDFInfo
- Publication number
- CN106514143A CN106514143A CN201610982743.2A CN201610982743A CN106514143A CN 106514143 A CN106514143 A CN 106514143A CN 201610982743 A CN201610982743 A CN 201610982743A CN 106514143 A CN106514143 A CN 106514143A
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- equipment
- coupling hole
- runner
- main shaft
- boring template
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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
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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
- B23P15/006—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a special machining method for large runner shaft coupling holes. A runner crown flange is upwards placed on an accordant square box, and a boring die and a runner are concentrically installed and fixed; a machining device is located on the boring die, and a movable vertical digital control boring-milling machine with a three-axis linkage function is adopted as the device; after a main shaft of the device is adjusted to be perpendicularly fixed to the boring die, the rotating center of the main shaft of the device is found to coincide with the center of an alignment hole of a runner shaft coupling hole in the boring die; a drill bit is used for drilling and expanding the runner shaft coupling hole until a certain machining margin is reserved; the drill bit is demounted, a cylindrical bar milling cutter is used for machining the shaft coupling hole to required sizes in a three-axis linkage manner; machining of the shaft coupling hole within the stroke range of the main shaft is finished, a pushing and pulling adjusting device is used for finishing the indexing movement of the device relative to the shaft coupling hole, the above adjusting, aligning and machining steps are repeated to finish machining of the shaft coupling hole within the stroke range of the main shaft after indexing; and the indexing movement, adjusting, aligning and machining steps are repeated multiple times until machining of all the runner shaft coupling holes is finished. The special machining method for the large runner shaft coupling holes has the beneficial effects of being high in machining efficiency, wide in application range, high in machining quality and the like.
Description
Technical field：
The invention discloses a kind of large rotary wheel coupling hole special plane processing method.
Background technology：
Runner is hydraulic turbine core component, and coupling hole is coupled with turbine shaft for runner, and circumference uniform distribution is located on runner
On hat flange, the processing method of current coupling hole generally adopts revolving rocker arm formula apparatus processing, this processing method equipment and boring
After mould is fixed, distance of the main-shaft axis away from roller centre only can be adjusted within the specific limits, when the distribution circle of coupling hole is beyond upper
State adjusting range, it is impossible to which coupling hole is processed, range of application is little；As the coupling hole of large rotary wheel is relatively large in diameter, now plus
The sizing tool sharpening runner coupling hole that work method is adopted cannot be completed；Due to large rotary wheel coupling hole pitch circle diameter compared with
Greatly, in existing processing method, machine spindle is remote away from its support, and in causing the course of processing, vibration is big, and coupling hole crudy is poor.
The content of the invention：
It is an object of the invention to provide the high large rotary wheel shaft coupling of a kind of high in machining efficiency, applied range, crudy
Hole special plane processing method.
The purpose of the present invention is to be achieved through the following technical solutions：
(1) processed using removable vertical numerical control boring and milling bed apparatus (1), its main shaft has X, Y, Z numerical control linkage function；
(2) runner (2) crown coupling hole flange is placed on contour square chest (3) upward, and boring template (4) adjusts same with runner (2)
Both are fixed after the heart；
(3) treated that bore hole position is hung equipment and fallen on boring template (4) according to what is demarcated on boring template (4)；
(4) adjusting device (1) main shaft is vertical with boring template (4) plane, be provided with by plane on boring template (4) with boring template (4)
The concentric circumferential insertion T-slot of three circles in center is fixed with boring template (4) by equipment (1)；
(5) repetition measurement equipment (1) main shaft it is vertical with boring template (4) plane it is qualified after, main shaft along X, Y direction move, to main shaft
The alignment holes center superposition of runner coupling hole on center of rotation and boring template (4)；
(6) equipment (1) installs drill bit, and main shaft rotation is bored, expands coupling hole, and preformed hole simultaneously along Z-direction to lower feeding
Allowance for finish；
(7) drill bit on equipment (1) is pulled down, cylindrical bar milling cutter is installed, main shaft processes runner coupling hole extremely along X, Y, Z three-shaft linkage
The size of requirement；
(8) cylindrical bar milling cutter on equipment (1) is pulled down, the main shaft of equipment (1) is moved along X, Y direction, to main shaft center of rotation
With alignment holes center superposition on next runner coupling hole corresponding boring template (4) to be processed；
(9) repeat step (6), step (7) and complete next coupling hole in equipment (1) major axis X, Y-axis stroke range
Processing；
(10) repeat the above steps (8), step (9) are until complete all runners in equipment (1) major axis X, Y-axis stroke range
The processing of coupling hole；
(11) fixation of release apparatus (1) and boring template (4)；Adjusted using the push rod adjusting apparatus (5) on equipment (1) and pull bar
Engagement positions (6) drive equipment (1) to slide into shaft coupling bore region to be processed next beyond travel of spindle scope on boring template (4), complete
The dividing movement of alignment holes on the relative boring template (4) of forming apparatus (1)；
(12) repeat the above steps (4) are to step (10), to being located in equipment (1) major axis X, Y-axis stroke range after indexing
All coupling holes be processed；
(13) repeat the above steps (11) are to step (12) until completing the processing of whole runner coupling holes.
The technique effect of the present invention has：
1st, the big portion of coupling hole is removed boring, expanding using the equipment with X, Y, Z numerical control linkage function in processing method
After dividing allowance, desired size can be machined to using cylindrical bar milling cutter three-shaft linkage, the sizing cutter of middle employing than existing methods
Processing coupling hole, not only production efficiency is high, and meets the big requirement of shaft coupling bore dia processing dimension；
2nd, due to the position of the relative boring template of device therefor in processing method, can be according to the different and corresponding of shaft coupling pore size distribution circle
Change, only can be adjusted with respect to distance of the existing processing method machine spindle axis away from roller centre, within the specific limits using model
Enclose wide；
3rd, dividing movement of the equipment with respect to alignment holes on boring template, is completed using push rod adjusting apparatus and pull bar adjusting apparatus,
Indexing process need not be lifted, and save the equipment hoisting time；
4th, the shaft coupling hole machined to different distributions circular diameter, machine spindle axis is to immobilize away from its distance for supporting
, become big away from its support distances with the increase of distribution circle with respect to existing processing method device therefor main shaft, with shaft coupling hole machined
During rigidity good, the good feature of quality after processing；
5th, as process equipment is movable, more existing processing method device therefor is lightweight more than one times, to positioning boring
Mould rigid requirements are low, and equipment is easy to adjust, motility is strong.
Description of the drawings：
Fig. 1 runner shaft coupling hole machined front views
Fig. 2 runner shaft coupling hole machined top views
Specific embodiment：
(1) processed using removable vertical numerical control boring and milling bed apparatus 1, its main shaft has X, Y, Z numerical control linkage function；
(2) 2 crown coupling hole flange of runner is placed on contour square chest 3 upward, boring template 4 and runner 2 adjust it is concentric after by two
Person fixes；
(3) treated that bore hole position is hung equipment and fallen on boring template 4 according to what is demarcated on boring template 4；
(4) 1 main shaft of adjusting device is vertical with 4 plane of boring template, and what is be provided with by plane on boring template 4 is concentric with 4 center of boring template
Three circles circumferential insertion T-slots equipment 1 is fixed with boring template 4；
(5) 1 main shaft of repetition measurement equipment it is vertical with 4 plane of boring template it is qualified after, main shaft along X, Y direction move, to main shaft rotate
The alignment holes center superposition of runner coupling hole on center and boring template 4；
(6) equipment 1 installs drill bit, and main shaft rotation is bored, expands coupling hole, and preformed hole essence simultaneously along Z-direction to lower feeding
Allowance；
(7) drill bit on equipment 1 is pulled down, cylindrical bar milling cutter is installed, main shaft extremely will along X, Y, Z three-shaft linkage processing runner coupling hole
The size asked；
(8) cylindrical bar milling cutter on equipment 1 is pulled down, the main shaft of equipment 1 is moved along X, Y direction, to main shaft center of rotation with
Alignment holes center superposition on the corresponding boring template 4 of one runner coupling hole to be processed；
(9) repeat step (6), step (7) complete in 1 major axis X of equipment, Y-axis stroke range next coupling hole plus
Work；
(10) repeat the above steps (8), step (9) are until complete all runner connection in 1 major axis X of equipment, Y-axis stroke range
The processing of axis hole；
(11) fixation of release apparatus 1 and boring template 4；As shown in Fig. 2 using the push rod adjusting apparatus 5 on equipment 1 and pull bar
6 drive equipment 1 of adjusting apparatus slides into shaft coupling bore region to be processed next beyond travel of spindle scope on boring template 4, completes to set
The dividing movement of alignment holes on standby 1 relative boring template 4；
(12) repeat the above steps (4) are to step (10), to being located in 1 major axis X of equipment, Y-axis stroke range after indexing
All coupling holes are processed；
(13) repeat the above steps (11) are to step (12) until completing the processing of whole runner coupling holes.
(1) embodiment 1：4 contour square chests 3 are put by 2 baseplane diameter circumference uniform distribution of runner；
(2) 2 crown flange of runner is hung on contour square chest 3, as shown in Figure 1 upward；
(3) boring template 4 is flat hangs in 2 crown Flange Plane of runner, adjusts 4 center of boring template and 2 center superposition of runner, deviation
No more than 0.02mm；
(4) by boring template 4 and 2 fixation of runner；
(5) centre deviation of repetition measurement boring template 4 and runner 2, both faying face gaps are not more than 0.02mm；
(6) two alignment holes line of centres midpoints on 4 center of boring template and boring template are crossed, plane draws radiation, radiation on boring template 4
Line circumference uniform distribution；
(7) both boring template 4 and equipment 1 fitting planes are cleared up, equipment 1 is hung to boring template 4, by spoke drawn on boring template 4
Ray, the position of 1 relative boring template 4 of adjusting device is until most positioned at coupling hole quantity in 1 major axis X of equipment, Y stroke ranges；
(8) on 1 main-shaft axis of measuring apparatus and boring template 4 alignment holes vertical missing, and adjusting device 1, until above-mentioned hang down
Straight deviation is not more than within 0.02mm；
(9) pass through circumferential insertion T-slot set on boring template 4 by equipment 1 and 4 fixation of boring template；
(10) 1 main-shaft axis of repetition measurement equipment is met with alignment holes vertical missing on boring template and is required；
(11) 1 main shaft of equipment is moved along X, Y-axis, is looked for corresponding with the coupling hole to be processed boring template of main shaft center of rotation 4
Positive hole center superposition, deviation are not more than 0.01mm；
(12) bored, expanded coupling hole, and reserved allowance for finish with drill bit；
(13) coupling hole is processed to the size for requiring with cylindrical bar milling cutter three-shaft linkage；
(14) clear up machined coupling hole；
(15) check that machined coupling hole meets required precision；
(16) 1 main shaft of equipment is moved along X, Y-axis, to main shaft center of rotation boring template corresponding with next coupling hole to be processed
Alignment holes center superposition on 4, deviation are not more than 0.02mm；
(17) repetition (12nd) to (15) step completes the processing of next coupling hole in 1 major axis X of equipment, Y-axis stroke range；
(18) repeat (16th) to (17) step until completing the processing of all coupling holes in major axis X, Y-axis stroke range；
(19) fixation of release apparatus 1 and boring template 4；
(20) as shown in Fig. 2 while operating push rod adjusting apparatus 5 and pull bar adjusting apparatus 6 to drive equipment sliding on boring template 4
Move to beyond the next shaft coupling bore region to be processed of travel of spindle scope, complete the position indexing of alignment holes on 1 relative boring template 4 of equipment
Motion；
(21) repeat (8th) to (10) step, complete the fixation of centering and equipment of the equipment with respect to boring template alignment holes and boring template；
(22) repeat (11st) to (18) step until completing on 1 relative boring template 4 of equipment after the position dividing movement of alignment holes,
Positioned at the processing of all coupling holes in major axis X, Y-axis stroke range；
(23) repeat (19th) to (22) step until completing the processing of all coupling holes.
The practical application effect of the present invention is proved：Successfully solve original large rotary wheel coupling hole special plane processing method to fit
With the difficult problem that scope is little, crudy is poor, production efficiency is improve.
Claims (1)
1. large rotary wheel coupling hole special plane processing method, the method comprise the steps：
(1) processed using removable vertical numerical control boring and milling bed apparatus (1), its main shaft has X, Y, Z numerical control linkage function；
(2) runner (2) crown coupling hole flange is placed on contour square chest (3) upward, after boring template (4) is concentric with runner (2) tune
Both are fixed；
(3) treated that bore hole position is hung equipment and fallen on boring template (4) according to what is demarcated on boring template (4)；
(4) adjusting device (1) main shaft is vertical with boring template (4) plane, be provided with by plane on boring template (4) with boring template (4) center
The concentric circumferential insertion T-slot of three circles is fixed with boring template (4) by equipment (1)；
(5) repetition measurement equipment (1) main shaft it is vertical with boring template (4) plane it is qualified after, main shaft along X, Y direction move, to main shaft rotate
The alignment holes center superposition of runner coupling hole on center and boring template (4)；
(6) equipment (1) installs drill bit, and main shaft rotation is bored, expands coupling hole, and preformed hole finishing simultaneously along Z-direction to lower feeding
Spare time measures；
(7) pull down the drill bit on equipment (1), cylindrical bar milling cutter is installed, main shaft processes runner coupling hole to requiring along X, Y, Z three-shaft linkage
Size；
(8) cylindrical bar milling cutter on equipment (1) is pulled down, the main shaft of equipment (1) is moved along X, Y direction, to main shaft center of rotation with
Alignment holes center superposition on one runner coupling hole corresponding boring template (4) to be processed；
(9) repeat the processing that step (6), step (7) complete next coupling hole in equipment (1) major axis X, Y-axis stroke range；
(10) repeat the above steps (8), step (9) are until complete all runner shaft couplings in equipment (1) major axis X, Y-axis stroke range
The processing in hole；
(11) fixation of release apparatus (1) and boring template (4)；Using the push rod adjusting apparatus (5) on equipment (1) and pull bar adjustment dress
Putting (6) drives equipment (1) to slide into shaft coupling bore region to be processed next beyond travel of spindle scope on boring template (4), completes to set
The dividing movement of alignment holes on standby (1) relative boring template (4)；
(12) repeat the above steps (4) are to step (10), to the institute being located at after indexing in equipment (1) major axis X, Y-axis stroke range
There is coupling hole to be processed；
(13) repeat the above steps (11) are to step (12) until completing the processing of whole runner coupling holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610982743.2A CN106514143A (en) | 2016-11-09 | 2016-11-09 | Special machining method for large runner shaft coupling holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610982743.2A CN106514143A (en) | 2016-11-09 | 2016-11-09 | Special machining method for large runner shaft coupling holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106514143A true CN106514143A (en) | 2017-03-22 |
Family
ID=58351365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610982743.2A Pending CN106514143A (en) | 2016-11-09 | 2016-11-09 | Special machining method for large runner shaft coupling holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106514143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799758A (en) * | 2022-05-06 | 2022-07-29 | 重庆水轮机厂有限责任公司 | Processing technology for fine matching connecting hole of water pump spindle and motor spindle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201076929Y (en) * | 2007-09-27 | 2008-06-25 | 天津市天发重型水电设备制造有限公司 | Drill jig for hydraulic turbine exterior admission taper tube flange hole |
| US20090311102A1 (en) * | 2006-09-22 | 2009-12-17 | Voith Siemens Hydro Power Generation Gmbh & Co. Kg | Method for producing the rotor of a water turbine, and rotor |
| CN103753155A (en) * | 2013-12-25 | 2014-04-30 | 重庆水轮机厂有限责任公司 | Processing method for annular piston of water turbine and processing tool |
| CN204770776U (en) * | 2015-06-25 | 2015-11-18 | 哈尔滨电机厂有限责任公司 | A vertical boring and milling special machine tool of numerical control for processing hydraulic turbine end cover screw hole |
| CN105215640A (en) * | 2015-11-04 | 2016-01-06 | 哈尔滨电机厂有限责任公司 | Large-scale seat ring special plane technological method for processing |
-
2016
- 2016-11-09 CN CN201610982743.2A patent/CN106514143A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090311102A1 (en) * | 2006-09-22 | 2009-12-17 | Voith Siemens Hydro Power Generation Gmbh & Co. Kg | Method for producing the rotor of a water turbine, and rotor |
| CN201076929Y (en) * | 2007-09-27 | 2008-06-25 | 天津市天发重型水电设备制造有限公司 | Drill jig for hydraulic turbine exterior admission taper tube flange hole |
| CN103753155A (en) * | 2013-12-25 | 2014-04-30 | 重庆水轮机厂有限责任公司 | Processing method for annular piston of water turbine and processing tool |
| CN204770776U (en) * | 2015-06-25 | 2015-11-18 | 哈尔滨电机厂有限责任公司 | A vertical boring and milling special machine tool of numerical control for processing hydraulic turbine end cover screw hole |
| CN105215640A (en) * | 2015-11-04 | 2016-01-06 | 哈尔滨电机厂有限责任公司 | Large-scale seat ring special plane technological method for processing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799758A (en) * | 2022-05-06 | 2022-07-29 | 重庆水轮机厂有限责任公司 | Processing technology for fine matching connecting hole of water pump spindle and motor spindle |
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| PB01 | Publication | ||
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Application publication date: 20170322 |