CN109648107A - A kind of method for machining bore and processing unit (plant) - Google Patents

A kind of method for machining bore and processing unit (plant) Download PDF

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Publication number
CN109648107A
CN109648107A CN201910002396.6A CN201910002396A CN109648107A CN 109648107 A CN109648107 A CN 109648107A CN 201910002396 A CN201910002396 A CN 201910002396A CN 109648107 A CN109648107 A CN 109648107A
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CN
China
Prior art keywords
processing
processing sections
profile
boring
sections
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910002396.6A
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Chinese (zh)
Inventor
熊永钊
吴红琼
唐长平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Marine Machinery Plant Co Ltd
Original Assignee
Wuhan Marine Machinery Plant Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Marine Machinery Plant Co Ltd filed Critical Wuhan Marine Machinery Plant Co Ltd
Priority to CN201910002396.6A priority Critical patent/CN109648107A/en
Publication of CN109648107A publication Critical patent/CN109648107A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B35/00Methods 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B39/00General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/02Boring machines; Combined horizontal boring and milling machines

Abstract

The invention discloses a kind of method for machining bore and processing unit (plant)s, belong to field of machining.Processing method includes: that inner hole to be processed is divided into multiple processing sections along axial direction;Along the axial direction successively each processing sections of boring of inner hole to be processed, before each processing sections of boring, the boring cutter that more renews;Determine the actual processing profile of each processing sections;According to the actual processing profile of each processing sections, the compensation machining profile of each processing sections is determined;According to the compensation machining profile of each processing sections, along the axial direction successively each processing sections of boring of inner hole to be processed, before each processing sections of boring, the boring cutter that more renews.The machining accuracy of inner hole can be improved in the present invention.

Description

A kind of method for machining bore and processing unit (plant)
Technical field
The invention belongs to field of machining, in particular to a kind of method for machining bore and processing unit (plant).
Background technique
Motor base is one of component part of pod propulsion equipment, is internally provided with inner hole, for accommodating motor.
When processing the inner hole of electric machine casing, since the outside of electric machine casing is provided with the components such as fin keel, these components are convex For electric machine casing, so causing the radius of gyration of electric machine casing larger, it is not available common vertical boring mill processing.However, When using horizontal boring machine, since boring cutter can be gradually worn out with the progress of processing, so will lead to actual processing amount gradually Reduce, i.e., actual processing profile can be the hole that an internal diameter is gradually reduced from one end of feed to the other end, lead to inner hole Machining accuracy not can guarantee.
Summary of the invention
The embodiment of the invention provides a kind of method for machining bore and processing unit (plant)s, and the machining accuracy of inner hole can be improved. The technical solution is as follows:
On the one hand, the embodiment of the invention provides a kind of method for machining bore, the processing method includes:
Inner hole to be processed is divided into multiple processing sections along axial direction;
Along the axial direction successively each processing sections of boring of the inner hole to be processed, each processing sections of boring it Before, the boring cutter that more renews;
Determine the actual processing profile of each processing sections;
According to the actual processing profile of each processing sections, the compensation machining profile of each processing sections is determined;
According to the compensation machining profile of each processing sections, along the axial direction successively each institute of boring of the inner hole to be processed Processing sections are stated, before each processing sections of boring, the boring cutter that more renews.
Optionally, the processing method includes:
The axial length of the processing sections, less than the boring cutter in service life can boring maximum in hole length.
Optionally it is determined that the actual processing profile of each processing sections, comprising:
Multiple measurement points are chosen on each processing sections, the distance between measurement point described in each adjacent two is equal, And each measurement point is sequentially arranged along the axial direction of the inner hole to be processed;
Measure the internal diameter of each measurement point present position on each processing sections;
According to the internal diameter of each measurement point present position on each processing sections, each processing sections are determined Actual processing profile.
Optionally, it according to the internal diameter of each measurement point present position on each processing sections, determines each described The actual processing profile of processing sections, comprising:
According to the internal diameter of each measurement point present position on each processing sections, each processing is calculated The internal diameter change rate of section;
According to the internal diameter change rate of each processing sections, the actual processing profile of each processing sections is determined.
Optionally, according to the actual processing profile of each processing sections, the compensation processing of each processing sections is determined Profile, comprising:
Determine the theoretical machining profile of each processing sections;
The compensation machining profile of each processing sections is with the actual processing profile of the corresponding processing sections relative to institute Theoretical machining profile is stated to be arranged symmetrically.
On the other hand, the embodiment of the invention provides a kind of inner bore machining device, the inner bore machining device is suitable for upper The processing method stated, the processing unit (plant) include: pedestal, workbench and boring machine, and the boring machine is fixedly mounted on the base, Ram one end of the boring machine is provided with facing head, and the ram is horizontally disposed, and the facing head is arranged perpendicular to the ram, Boring cutter is installed, the workbench is slidably mounted in the pedestal along the length direction of the ram on the facing head On, the workbench is for placing workpiece to be added.
In a kind of implementation of the invention, track, length of the track along the ram are provided on the pedestal Direction arrangement is spent, the workbench is slidably mounted on the track.
In another implementation of the invention, it is provided on the end face towards the workbench of the facing head Knife bar, the knife bar are parallel to the end face arrangement of the facing head, and what the boring cutter was fixedly mounted on the knife bar protrudes from institute It states on outer edge one end of facing head.
In another implementation of the invention, the boring machine is numerical control borer.
In another implementation of the invention, the facing head is numerical facing head.
Technical solution provided in an embodiment of the present invention has the benefit that
Each processing sections are processed first, to obtain actual processing profile, then by actual processing profile, are determined Machining profile is compensated, each processing sections are processed again then according to compensation machining profile, with each processing sections before compensation Actual processing profile to improve the machining accuracy of each processing sections, and then improves the machining accuracy of inner hole.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of flow chart of method for machining bore provided in an embodiment of the present invention;
Fig. 2 is the flow chart of another method for machining bore provided in an embodiment of the present invention;
Fig. 3 is processing sections machining sketch chart provided in an embodiment of the present invention;
Fig. 4 is a kind of structural schematic diagram of processing unit (plant) provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of facing head provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
The embodiment of the invention provides a kind of method for machining bore, as shown in Figure 1, the processing method is suitable for processing gondola The electric machine casing of propulsion device, the processing method include:
Step 101: inner hole to be processed is divided into multiple processing sections along axial direction.
In this way, it is possible to reduce the boring processing capacity of single, avoiding reduces machining accuracy because of boring cutter inordinate wear.
Step 102: along the axial direction successively each processing sections of boring of inner hole to be processed, before each processing sections of boring, more The boring cutter renewed.
This way it is possible to avoid the abrasion of boring cutter influences machining accuracy.
Step 103: determining the actual processing profile of each processing sections.
Step 104: according to the actual processing profile of each processing sections, determining the compensation machining profile of each processing sections.
Step 105: according to the compensation machining profile of each processing sections, along the axial direction of inner hole to be processed, successively boring each adds Workshop section, before each processing sections of boring, the boring cutter that more renews.
Each processing sections are processed first, to obtain actual processing profile, then by actual processing profile, are determined Machining profile is compensated, each processing sections are processed again then according to compensation machining profile, with each processing sections before compensation Actual processing profile to improve the machining accuracy of each processing sections, and then improves the machining accuracy of inner hole.
Fig. 2 is the flow chart of another kind method for machining bore provided by the embodiment of the present invention, in conjunction with Fig. 2, in this implementation In example, which includes:
Step 201: inner hole to be processed is divided into multiple processing sections along axial direction.
Optionally, the axial length of processing sections, less than boring cutter in service life can boring maximum in hole length.
This way it is possible to avoid because boring cutter exceeds its service life, and machining accuracy is caused to reduce.
Step 202: along the axial direction successively each processing sections of boring of inner hole to be processed, before each processing sections of boring, more The boring cutter renewed.
This way it is possible to avoid the abrasion of boring cutter influences machining accuracy.
Step 203: multiple measurement points are chosen on each processing sections, the distance between each adjacent two measurement point is equal, And each measurement point is sequentially arranged along the axial direction of inner hole to be processed.
In above-mentioned implementation, the quantity of measurement point is more, and the actual processing profile a determined in step 205 is more smart Standard, correspondingly, the quantity of measurement point is more, the process of subsequent determining actual processing profile a is also about complicated.It needs to illustrate It is that the quantity of measurement point can be adjusted according to actual needs, for example, when needing to guarantee the precision of actual processing profile a, Measurement point can suitably be increased, when needing to accelerate process velocity, can suitably reduce measurement point.
Step 204: measuring the internal diameter of each measurement point present position on each processing sections.
When specific implementation, inside micrometer can be used to measure the interior of each measurement point present position on each processing sections Diameter.
Step 205: according to the internal diameter of each measurement point present position on each processing sections, determining the reality of each processing sections Machining profile a.
Specifically, step 205 can be realized by following steps:
Firstly, the interior of each processing sections is calculated according to the internal diameter of each measurement point present position on each processing sections Diameter change rate.
In above-mentioned implementation, internal diameter change rate refers to that in per unit axial length, the internal diameter of processing sections is changed Numerical value.In the present embodiment, unit length can be to think setting value, be selected according to actual needs.
Then, according to the internal diameter change rate of each processing sections, the actual processing profile a of each processing sections is determined.
Step 206: according to the actual processing profile a of each processing sections, determining the compensation machining profile b of each processing sections.
Specifically, step 206 can be realized by following steps:
Firstly, determining the theoretical machining profile c of each processing sections.
In above-mentioned implementation, theoretical machining profile c is the abrasion and other influences machining accuracy for not considering boring cutter In the case where factor, what is processed meets the profile of the inner hole of design requirement.
Then, the compensation machining profile b of each processing sections is with the actual processing profile a of corresponding processing sections relative to theory Machining profile c is arranged symmetrically (referring to Fig. 3).
In above-mentioned implementation, using theoretical machining profile c as symmetry axis, referring to actual processing profile a, benefit can be obtained Repay machining profile b.
Step 207: according to the compensation machining profile b of each processing sections, along the axial direction of inner hole to be processed, successively boring is each Processing sections, before each processing sections of boring, the boring cutter that more renews.
In this way, the actual processing profile a processed before can be compensated by compensating machining profile b, so that The profile finally processed is similar to theoretical machining profile c, to ensure that the machining accuracy of inner hole.
Fig. 4 is a kind of structural schematic diagram of processing unit (plant) provided in an embodiment of the present invention, which is suitable for Fig. 1 institute The processing method shown, referring to fig. 4, the processing unit (plant) include: pedestal 1, workbench 2 and boring machine 3, and boring machine 3 is fixedly mounted on pedestal 1 On, 4 one end of ram of boring machine 3 is provided with facing head 5, and ram 4 is horizontally disposed, and facing head 5 is arranged perpendicular to ram 4, facing head 5 On boring cutter 6 is installed, workbench 2 is slidably mounted on pedestal 1 along the length direction of ram 4, workbench 2 for place to Workpiece 100.
Processing unit (plant) in actual work, workpiece 100 to be added is fixedly mounted on workbench 2, by workbench 2 towards boring The movement of knife 6, to realize the feeding for processing workpiece 100 to be added, by the rotation of facing head 5 to realize boring cutter 6 to machined part 100 boring.So as to avoid workpiece 100 to be added itself rotation, workpiece 100 to be added is thereby reduced to the need of processing space It asks.
Optionally, boring machine 3 is numerical control borer 3, to improve the machining accuracy of inner hole, and realizes the automation of inner hole Processing.
Optionally, track is provided on pedestal 1, track arranges that workbench 2 is slideably pacified along the length direction of ram 4 Dress is in orbit.
In above-mentioned implementation, the moving direction of workbench 2 is defined by track, ensure that workbench 2 along ram 4 Length direction it is mobile, to realize 100 feed motion of workpiece to be added.
Fig. 5 is the structural schematic diagram of facing head, in conjunction with Fig. 5, in the present embodiment, facing head 5 towards the one of workbench 2 Knife bar 7 is provided on end face, knife bar 7 is parallel to the end face arrangement of facing head 5, and it is flat that boring cutter 6 is fixedly mounted on protruding from for knife bar 7 On outer edge one end of capstan 5.
In above-mentioned implementation, boring cutter 6 protrudes from facing head 5, so that boring cutter 6 can to machined part adequately 100 are processed, and are avoided 5 pairs of facing head processing and are caused to interfere.
Optionally, facing head 5 is numerical facing head 5, to improve the machining accuracy of inner hole, and realize inner hole from Dynamicization processing.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of method for machining bore, which is characterized in that the processing method includes:
Inner hole to be processed is divided into multiple processing sections along axial direction;
Along the axial direction successively each processing sections of boring of the inner hole to be processed, before each processing sections of boring, more The boring cutter renewed;
Determine the actual processing profile of each processing sections;
According to the actual processing profile of each processing sections, the compensation machining profile of each processing sections is determined;
According to the compensation machining profile of each processing sections, along the inner hole to be processed axial direction successively boring it is each described plus Workshop section, before each processing sections of boring, the boring cutter that more renews.
2. processing method according to claim 1, which is characterized in that the processing method includes:
The axial length of the processing sections, less than the boring cutter in service life can boring maximum in hole length.
3. processing method according to claim 1, which is characterized in that determine the actual processing wheel of each processing sections It is wide, comprising:
Multiple measurement points are chosen on each processing sections, the distance between measurement point described in each adjacent two is equal, and every A measurement point is sequentially arranged along the axial direction of the inner hole to be processed;
Measure the internal diameter of each measurement point present position on each processing sections;
According to the internal diameter of each measurement point present position on each processing sections, the reality of each processing sections is determined Machining profile.
4. processing method according to claim 3, which is characterized in that according to each measurement on each processing sections The internal diameter of point present position, determines the actual processing profile of each processing sections, comprising:
According to the internal diameter of each measurement point present position on each processing sections, each processing sections are calculated Internal diameter change rate;
According to the internal diameter change rate of each processing sections, the actual processing profile of each processing sections is determined.
5. processing method according to claim 3, which is characterized in that according to the actual processing wheel of each processing sections Exterior feature determines the compensation machining profile of each processing sections, comprising:
Determine the theoretical machining profile of each processing sections;
The compensation machining profile of each processing sections is with the actual processing profile of the corresponding processing sections relative to the reason It is arranged symmetrically by machining profile.
6. a kind of inner bore machining device, which is characterized in that the inner bore machining device is suitable for processing side described in claim 1 Method, the processing unit (plant) include: pedestal, workbench and boring machine, and the boring machine is fixedly mounted on the base, the boring machine Ram one end is provided with facing head, and the ram is horizontally disposed, and the facing head is arranged perpendicular to the ram, the facing head On boring cutter is installed, the workbench is slidably mounted on the pedestal along the length direction of the ram, the work Platform is for placing workpiece to be added.
7. processing unit (plant) according to claim 6, which is characterized in that be provided with track, the track edge on the pedestal The length direction of the ram arranges that the workbench is slidably mounted on the track.
8. processing unit (plant) according to claim 6, which is characterized in that one end towards the workbench of the facing head Knife bar is provided on face, the knife bar is parallel to the end face arrangement of the facing head, and the boring cutter is fixedly mounted on the knife bar The outer edge one end for protruding from the facing head on.
9. processing unit (plant) according to claim 6, which is characterized in that the boring machine is numerical control borer.
10. processing unit (plant) according to claim 6, which is characterized in that the facing head is numerical facing head.
CN201910002396.6A 2019-01-02 2019-01-02 A kind of method for machining bore and processing unit (plant) Pending CN109648107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910002396.6A CN109648107A (en) 2019-01-02 2019-01-02 A kind of method for machining bore and processing unit (plant)

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Application Number Priority Date Filing Date Title
CN201910002396.6A CN109648107A (en) 2019-01-02 2019-01-02 A kind of method for machining bore and processing unit (plant)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203993105U (en) * 2014-05-21 2014-12-10 安阳市睿恒数控机床有限公司 Numerical control borer for machining spindle case
CN105215395A (en) * 2015-11-05 2016-01-06 四川明日宇航工业有限责任公司 Boring process
WO2017028827A1 (en) * 2015-08-20 2017-02-23 Čvut V Praze, Fakulta Strojní Multi-spindle machine tool
CN107350500A (en) * 2017-08-23 2017-11-17 中航飞机起落架有限责任公司 A kind of method of deep hole processing
CN107378021A (en) * 2017-06-01 2017-11-24 武汉船用机械有限责任公司 A kind of processing method of endoporus
CN105817661B (en) * 2016-04-20 2018-02-09 衡阳华菱钢管有限公司 Steel pipe machining tool
CN108994352A (en) * 2018-09-03 2018-12-14 贵阳博亚机械制造有限公司 A kind of aluminium alloy inner hole microstoning cutter and processing method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203993105U (en) * 2014-05-21 2014-12-10 安阳市睿恒数控机床有限公司 Numerical control borer for machining spindle case
WO2017028827A1 (en) * 2015-08-20 2017-02-23 Čvut V Praze, Fakulta Strojní Multi-spindle machine tool
CN105215395A (en) * 2015-11-05 2016-01-06 四川明日宇航工业有限责任公司 Boring process
CN105817661B (en) * 2016-04-20 2018-02-09 衡阳华菱钢管有限公司 Steel pipe machining tool
CN107378021A (en) * 2017-06-01 2017-11-24 武汉船用机械有限责任公司 A kind of processing method of endoporus
CN107350500A (en) * 2017-08-23 2017-11-17 中航飞机起落架有限责任公司 A kind of method of deep hole processing
CN108994352A (en) * 2018-09-03 2018-12-14 贵阳博亚机械制造有限公司 A kind of aluminium alloy inner hole microstoning cutter and processing method

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