CN105880662A - Machining method for preventing inclined hole drilling of marine screw shaft 22 m long - Google Patents
Machining method for preventing inclined hole drilling of marine screw shaft 22 m long Download PDFInfo
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- CN105880662A CN105880662A CN201610432618.4A CN201610432618A CN105880662A CN 105880662 A CN105880662 A CN 105880662A CN 201610432618 A CN201610432618 A CN 201610432618A CN 105880662 A CN105880662 A CN 105880662A
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- boring machine
- boring
- hole
- stern tube
- pull bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to a machining method for preventing inclined hole drilling of a marine screw shaft 22 m long. The method comprises the steps that firstly, the screw shaft to be machined is fixed to a boring machine; then a guide hole with the depth of 120 mm is bored in the shaft end of the screw shaft through the boring machine; no floating blade is mounted on a boring machine pull rod at first, then the boring machine drives the boring machine pull rod to advance in an idle mode once, and it is confirmed that the boring machine pull rod can smoothly pass through the deep hole of the screw shaft; after it is confirmed that the boring machine pull rod can smoothly pass through the deep hole of the screw shaft, the floating blade is mounted on the boring machine pull rod, formal boring is started, the middle section of the screw shaft sinks for 1 mm in the boring process, and the parallelism of the axis of the boring machine pull rod and the axis of the screw shaft is within 0.5 mm. The machining method has the advantages that the middle section of the screw shaft sinks for 1 mm, it is ensured that the parallelism of the axis of the boring machine pull rod and the axis of the screw shaft is within 0.5 mm, and therefore it can be ensured that the phenomenon of inclined hole drilling is effectively avoided in the boring process.
Description
Technical field
The present invention relates to shipbuilding field, particularly to the processing method that a kind of 22m anti-hole drill of long marine screw shaft is oblique.
Background technology
The most domestic same type marine screw shaft length is typically at about 12000mm, i.e. draw ratio about 28, and it is current, some boats and ships needs to use the stern tube shaft reaching about 22000mm to length, this axle draw ratio reaches 52, difficulty of processing strengthens, there is following defect: tradition stern tube shaft processing is because length is relatively short, boring is difficult to deflection, and 22 meters of major axis produce the biggest deflection because the effect of cutting force and drilling rod gravity can cause holing, there is the risk that processing is scrapped, difficulty to exceed several times than traditional stern tube shaft difficulty of processing.
Summary of the invention
The technical problem to be solved in the present invention is to provide the processing method that a kind of 22m anti-hole drill of long marine screw shaft is oblique, it is possible to prevent from avoiding hole drill oblique during bore hole.
For solving above-mentioned technical problem, the technical scheme is that the processing method that a kind of 22m anti-hole drill of long marine screw shaft is oblique, its innovative point is: step is:
A) stern tube shaft is fixed: first, stern tube shaft to be processed is fixed on Boring machine, described Boring machine includes a Boring machine pull bar, in the front end of Boring machine pull bar, one guide post is installed, medium position at Boring machine pull bar is set with anti-vibration sleeve, described Boring machine pull bar has a high pressure oilhole connected with the middle part of guide post, is sequentially installed with floating blade, floating boring head in the front end of guide post；
B) first bore hole: then, utilize Boring machine that the axle head of stern tube shaft is first bored the pilot hole that the degree of depth is 120mm；
C) boring bar is walked in advance: first do not install floating blade on Boring machine pull bar, then utilizes Boring machine to drive Boring machine pull bar sky to walk once, confirms that Boring machine pull bar can pass through the deep hole of stern tube shaft；
D) formal bore hole: after confirming the deep hole that Boring machine pull bar can pass through stern tube shaft, floating blade loaded onto by Boring machine pull bar, start formal bore hole, and use and draw twice and float hole, during bore hole, the depth of parallelism of the middle section position sinking 1mm of stern tube shaft, the axis of Boring machine pull bar and the axis of stern tube shaft is within 0.5mm；
E) boring is repaired partially: in step d, if when formal bore hole mesopore boring is inclined, stern tube shaft is motionless, by downward for position thick for wall thickness, then with central bracket supporting height stern tube shaft to 1.5 times of skew, then repairs with boring bar rotary drill feeding.
Further, in described step a, a length of 300mm of guide post, guide post is 0.1mm with the gap of the deep hole of stern tube shaft.
Further, in described step d, when drawing bore hole, detect a wall thickness deflection every 1 meter.
Further, in described step e, the rotating speed of boring bar rotary drill is 15 revs/min, and the amount of feeding is that 0.05mm/ turns.
Further, in described step d, during forward bore hole, the gap between anti-vibration sleeve and deep hole is 0.5mm, and during reverse bore hole, the gap between anti-vibration sleeve and deep hole is 0.1mm.
It is an advantage of the current invention that: during bore hole, by by the middle section position sinking 1mm of stern tube shaft, and guarantee the depth of parallelism of the axis of Boring machine pull bar and the axis of stern tube shaft within 0.5mm, such that it is able to guarantee effectively to prevent the generation of the oblique phenomenon of hole drill during bore hole.
Utilize the boring method in the present invention when stern tube shaft deep hole is carried out boring, first process pilot hole, confirm that Boring machine pull bar can pass through the deep hole of stern tube shaft again, then formal processing is carried out, and use draw the processing mode floating hole twice, such that it is able to guarantee the uniformity of the deep hole wall thickness processed, even and if to the rear in boring, boring bar rotary drill can also be utilized to repair, such that it is able to guarantee the stern tube shaft deep hole uniform wall thickness finally processed.
In the present invention, needing the bore of deep hole and the length of processing according to stern tube shaft, the gap to the length of guide post and with the deep hole with stern tube shaft is controlled, and draws bore hole not have skew to facilitate, uniformly lays the first stone for deep hole wall thickness boring.
When formal bore hole, detect a wall thickness deflection every 1 meter, in order to the most more allowing blade replacement, it is ensured that the processing of deep hole wall thickness is uniformly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the processing method that the 22m anti-hole drill of long marine screw shaft of the present invention is oblique.
Detailed description of the invention
The following examples can make professional and technical personnel that the present invention is more fully understood, but the most therefore limits the present invention among described scope of embodiments.
The processing method that the 22m anti-hole drill of long marine screw shaft in the present invention is oblique is realized by following step:
The first step, stern tube shaft is fixed: first, stern tube shaft 8 to be processed is fixed on Boring machine, as shown in Figure 1, Boring machine includes a Boring machine pull bar 6, one guide post 4 is installed in the front end of Boring machine pull bar 6, setting by guide post 4, can guide when bore hole, medium position at Boring machine pull bar 6 is set with anti-vibration sleeve 5, setting by anti-vibration sleeve 5, can avoid the Boring machine pull bar 6 when drawing bore hole that the phenomenon beated occurs, Boring machine pull bar 6 has a high pressure oilhole 7 connected with the middle part of guide post 4, it is sequentially installed with floating blade 3 in the front end of guide post 4, floating boring head 2.
In above-mentioned steps, a length of 300mm of guide post 4, guide post 4 is 0.1mm with the gap of the deep hole of stern tube shaft 8.
Second step, first bore hole: then, utilize Boring machine that the axle head of stern tube shaft 8 is first bored the pilot hole 1 that the degree of depth is 120mm.
3rd step, boring bar is walked in advance: first do not install floating blade 3 on Boring machine pull bar 6, then utilizes Boring machine to drive Boring machine pull bar 6 sky to walk once, confirms that Boring machine pull bar 6 can pass through the deep hole of stern tube shaft 8.
4th step, formal bore hole: after confirming the deep hole that Boring machine pull bar 6 can pass through stern tube shaft 8, Boring machine pull bar 6 is loaded onto floating blade 3, start formal bore hole, use to draw twice and float hole, hole is floated first, i.e. during forward bore hole, gap between anti-vibration sleeve 5 and deep hole is 0.5mm, in the floating hole of second time, during the most reverse bore hole, gap between anti-vibration sleeve 5 and deep hole is 0.1mm, during bore hole, the middle section position sinking 1mm of stern tube shaft, the depth of parallelism of the axis of Boring machine pull bar and the axis of stern tube shaft is within 0.5mm, by using such position to carry out bore hole, such that it is able to guarantee effectively to prevent the generation of the oblique phenomenon of hole drill during bore hole.
In above-mentioned steps, detect a wall thickness deflection every 1 meter when drawing bore hole, in order to the most more allowing blade replacement, it is ensured that the processing of deep hole wall thickness is uniformly.
5th step, boring repairs partially: in the 4th step, if when formal bore hole mesopore boring is inclined, stern tube shaft 8 is motionless, by downward for position thick for wall thickness, then with central bracket supporting height stern tube shaft 8 to 1.5 times offset, then repairs with boring bar rotary drill feeding.
In above-mentioned steps, when repairing, the rotating speed of boring bar rotary drill is 15 revs/min, and the amount of feeding is that 0.05mm/ turns.
Utilize the boring method in the present invention when stern tube shaft deep hole is carried out boring, first process pilot hole, confirm that Boring machine pull bar can pass through the deep hole of stern tube shaft again, then formal processing is carried out, such that it is able to the deep hole wall thickness guaranteeing to process is uniform, even if to the rear in boring, it is also possible to utilize boring bar rotary drill to repair, such that it is able to guarantee the stern tube shaft deep hole uniform wall thickness finally processed.
In the present invention, needing the bore of deep hole and the length of processing according to stern tube shaft, the gap to the length of guide post and with the deep hole with stern tube shaft is controlled, and draws bore hole not have skew to facilitate, uniformly lays the first stone for deep hole wall thickness boring.
When formal bore hole, detect a wall thickness deflection every 1 meter, in order to the most more allowing blade replacement, it is ensured that the processing of deep hole wall thickness is uniformly.
Utilize the boring method in the present invention when stern tube shaft deep hole is carried out boring, first process pilot hole 1, confirm that Boring machine pull bar 6 can pass through the deep hole of stern tube shaft 8 again, then formal processing is carried out, such that it is able to the deep hole wall thickness guaranteeing to process is uniform, even if to the rear in boring, it is also possible to utilize boring bar rotary drill to repair, such that it is able to guarantee the stern tube shaft deep hole uniform wall thickness finally processed.
Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and specification; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (5)
1. the processing method that the 22m anti-hole drill of long marine screw shaft is oblique, it is characterised in that: step is:
A) stern tube shaft is fixed: first, stern tube shaft to be processed is fixed on Boring machine, described Boring machine includes a Boring machine pull bar, in the front end of Boring machine pull bar, one guide post is installed, medium position at Boring machine pull bar is set with anti-vibration sleeve, described Boring machine pull bar has a high pressure oilhole connected with the middle part of guide post, is sequentially installed with floating blade, floating boring head in the front end of guide post；
B) first bore hole: then, utilize Boring machine that the axle head of stern tube shaft is first bored the pilot hole that the degree of depth is 120mm；
C) boring bar is walked in advance: first do not install floating blade on Boring machine pull bar, then utilizes Boring machine to drive Boring machine pull bar sky to walk once, confirms that Boring machine pull bar can pass through the deep hole of stern tube shaft；
D) formal bore hole: after confirming the deep hole that Boring machine pull bar can pass through stern tube shaft, floating blade loaded onto by Boring machine pull bar, start formal bore hole, and use draw the processing mode floating hole twice, during bore hole, the depth of parallelism of the middle section position sinking 1mm of stern tube shaft, the axis of Boring machine pull bar and the axis of stern tube shaft is within 0.5mm；
E) boring is repaired partially: in step d, if when formal bore hole mesopore boring is inclined, stern tube shaft is motionless, by downward for position thick for wall thickness, then with central bracket supporting height stern tube shaft to 1.5 times of skew, then repairs with boring bar rotary drill feeding.
The processing method that the anti-hole drill of the long marine screw shaft of 22m the most according to claim 1 is oblique, it is characterised in that: in described step a, a length of 300mm of guide post, guide post is 0.1mm with the gap of the deep hole of stern tube shaft.
The processing method that the anti-hole drill of the long marine screw shaft of 22m the most according to claim 1 is oblique, it is characterised in that: in described step d, when drawing bore hole, detect a wall thickness deflection every 1 meter.
The processing method that the anti-hole drill of the long marine screw shaft of 22m the most according to claim 1 is oblique, it is characterised in that: in described step e, the rotating speed of boring bar rotary drill is 15 revs/min, and the amount of feeding is that 0.05mm/ turns.
The processing method that the anti-hole drill of the long marine screw shaft of 22m the most according to claim 1 is oblique, it is characterised in that: in described step d, during forward bore hole, the gap between anti-vibration sleeve and deep hole is 0.5mm, and during reverse bore hole, the gap between anti-vibration sleeve and deep hole is 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610432618.4A CN105880662B (en) | 2016-06-17 | 2016-06-17 | A kind of oblique processing method of the anti-hole drill of long marine screw shafts of 22m |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610432618.4A CN105880662B (en) | 2016-06-17 | 2016-06-17 | A kind of oblique processing method of the anti-hole drill of long marine screw shafts of 22m |
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| CN105880662A true CN105880662A (en) | 2016-08-24 |
| CN105880662B CN105880662B (en) | 2018-01-09 |
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| CN201610432618.4A Active CN105880662B (en) | 2016-06-17 | 2016-06-17 | A kind of oblique processing method of the anti-hole drill of long marine screw shafts of 22m |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624011A (en) * | 2016-12-26 | 2017-05-10 | 沪东中华造船(集团)有限公司 | Boring method for long stern tube ship shaft system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU588708A1 (en) * | 1975-08-13 | 1984-03-30 | Волгоградский Политехнический Институт | Method for boring deep holes |
| SU1346349A1 (en) * | 1985-10-22 | 1987-10-23 | Ленинградский механический институт им.Маршала Советского Союза Устинова Д.Ф. | Method of boring deep holes |
| CN101468402A (en) * | 2007-12-26 | 2009-07-01 | 广西玉柴机器股份有限公司 | Technological method of fine boring large-sized diesel engine cylinder porous series |
| CN101618465A (en) * | 2009-07-10 | 2010-01-06 | 上海江南长兴造船有限责任公司 | Method for boring hole on screw shaft pipe subsection in supertanker construction |
| CN101633049A (en) * | 2008-07-21 | 2010-01-27 | 襄樊东捷精密机械有限公司 | Deep hole step end face multi-cutter boring and processing cutter |
| CN101745663A (en) * | 2009-12-10 | 2010-06-23 | 武汉重工铸锻有限责任公司 | Long-spindle deep-hole tapering device of boring ship and boring method thereof |
| CN202356645U (en) * | 2011-12-01 | 2012-08-01 | 资阳南车传动有限公司 | Floating boring cutter device for fine machining of deep hole of long shaft |
| CN202479545U (en) * | 2011-11-10 | 2012-10-10 | 中国长江航运集团南京金陵船厂 | Boring machine |
| CN204338923U (en) * | 2014-12-24 | 2015-05-20 | 齐齐哈尔北方机器有限责任公司 | A kind of right boring hole anti-deformation process for cooling device |
-
2016
- 2016-06-17 CN CN201610432618.4A patent/CN105880662B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU588708A1 (en) * | 1975-08-13 | 1984-03-30 | Волгоградский Политехнический Институт | Method for boring deep holes |
| SU1346349A1 (en) * | 1985-10-22 | 1987-10-23 | Ленинградский механический институт им.Маршала Советского Союза Устинова Д.Ф. | Method of boring deep holes |
| CN101468402A (en) * | 2007-12-26 | 2009-07-01 | 广西玉柴机器股份有限公司 | Technological method of fine boring large-sized diesel engine cylinder porous series |
| CN101633049A (en) * | 2008-07-21 | 2010-01-27 | 襄樊东捷精密机械有限公司 | Deep hole step end face multi-cutter boring and processing cutter |
| CN101618465A (en) * | 2009-07-10 | 2010-01-06 | 上海江南长兴造船有限责任公司 | Method for boring hole on screw shaft pipe subsection in supertanker construction |
| CN101745663A (en) * | 2009-12-10 | 2010-06-23 | 武汉重工铸锻有限责任公司 | Long-spindle deep-hole tapering device of boring ship and boring method thereof |
| CN202479545U (en) * | 2011-11-10 | 2012-10-10 | 中国长江航运集团南京金陵船厂 | Boring machine |
| CN202356645U (en) * | 2011-12-01 | 2012-08-01 | 资阳南车传动有限公司 | Floating boring cutter device for fine machining of deep hole of long shaft |
| CN204338923U (en) * | 2014-12-24 | 2015-05-20 | 齐齐哈尔北方机器有限责任公司 | A kind of right boring hole anti-deformation process for cooling device |
Non-Patent Citations (1)
| Title |
|---|
| 王昌荣: "用普通镗排加工高精度艉轴管孔的尝试", 《造船技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624011A (en) * | 2016-12-26 | 2017-05-10 | 沪东中华造船(集团)有限公司 | Boring method for long stern tube ship shaft system |
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| CN105880662B (en) | 2018-01-09 |
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