CN104923834A - Method for machining high position precision hole group by tool - Google Patents
Method for machining high position precision hole group by tool Download PDFInfo
- Publication number
- CN104923834A CN104923834A CN201510314202.8A CN201510314202A CN104923834A CN 104923834 A CN104923834 A CN 104923834A CN 201510314202 A CN201510314202 A CN 201510314202A CN 104923834 A CN104923834 A CN 104923834A
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- China
- Prior art keywords
- processed
- boring
- hole
- group
- hole group
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
- B23B49/023—Bushings and their connection to the template
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
Abstract
The invention discloses a method for machining a high position precision hole group by a tool. The method includes the steps: manufacturing a boring die tool according to the distribution shape of the hole group in a part to be machined; arranging a plurality of jacking blocks for calibrating the mounting position of the boring die tool on the part to be machined on the boring die tool; portraying central cross lines for calibrating the mounting position of the boring die tool on the part to be machined on the boring die tool; forming a control hole group in the boring die tool; mounting the boring die tool at a position needing the hole group in the part to be machined to form inner circles of control holes of the control hole group, and machining holes in the part to be machined by the aid of control holes of a power boring tool after mounting and adjusting the power boring tool by taking hole end faces as references. The contour dimension of the boring die tool can cover the hole group of the part to be machined, and the distribution condition of the control hole group is as same as that of the hole group of the part to be machined. The boring die tool serves as a reference, a simple device is used for machining the hole group in the large part, and precision requirements of products are met.
Description
Technical field
The invention belongs to Machining Technology field, particularly relate to a kind of processing method utilizing frock to realize high position precision holes group.
Background technology
At present, when the part of profile huge structure is processed high position precision holes group (particularly group distance in hole is more than 4000mm), usually two kinds of methods are had, one is conventional method, namely utilizes power boring bar to process hole group, in this process, boring bar needs repeatedly tool setting, this often causes the benchmark disunity between each hole, and after machining, the positional precision in hole and flatness all do not reach assembling demand; Another utilizes high-precision floor-type milling & boring machine to process hole group, although the method can improve the precision of hole machined, but floor-type milling & boring machine volume is large, tonnage weight, in actual application, need be equipped with the space of super large and have the hanging device of enough elevating capacities, this brings very large difficulty to the processing of hole group undoubtedly.
As can be seen here, prior art awaits further improving.
Summary of the invention
The present invention is the weak point avoiding above-mentioned prior art to exist, and provides a kind of processing method utilizing frock to realize high position precision holes group.
The technical solution adopted in the present invention is:
Utilize frock to realize a processing method for high position precision holes group, comprise the steps:
Step 1: the distribution shape according to hole group on part to be processed makes boring jig tooling, and the appearance and size of described boring jig tooling need meet the hole group that can cover part to be processed and be as the criterion;
Step 2: multiple jacking block for calibrating its installation site on part to be processed is set on described boring jig tooling;
Step 3: portray the central cross line for calibrating its installation site on part to be processed on described boring jig tooling;
Step 4: offer the control wells group identical with the hole group distribution situation on part to be processed on described boring jig tooling;
Step 5: described boring jig tooling is mounted to position part to be processed needing to offer hole group, when boring jig tooling is installed, the Working position of the hole group on part to be processed need be aimed in the position of control wells group;
Step 6: choose power boring bar according to the pore size of control wells, to form the inner circle of the control wells of each control wells group, hole end surface for benchmark, installs, motivation of adjustment boring bar, and the hole utilizing power boring bar to treat on processing parts through control wells processes.
In described step 2, the central authorities of described boring jig tooling offer endoporus, and each jacking block is arranged on the inwall of endoporus.
In described step 2, jacking block is arranged on the peripheral border of boring jig tooling.
In described step 4, the precision forming each control wells of this control wells group is not less than the precision in each hole part to be processed forming hole group, and the upper and lower hole end surface of each control wells need be parallel to each other and each hole end surface need meet the requirement of the hole on part to be processed to flatness.
In described step 5 and 6, power boring bar has single or many, and when power boring bar is single, power requirement boring bar each hole to the hole group of composition part to be processed processes separately, when power boring bar is many, processed in batches can be carried out to each hole of the hole group of composition part to be processed.
In described step 5, before installation boring jig tooling, need the central cross line marked during the structural member welding first according to composition part to be processed to treat processing parts carry out leveling centering and portray central cross line, then the jacking block of the corresponding boring jig tooling of the screw rod jackscrew be arranged in advance on part to be processed is utilized, the adjustment central cross line of boring jig tooling and the central cross line of part to be processed, and fixing boring jig tooling.
Owing to have employed technique scheme, the beneficial effect acquired by the present invention is:
The high-precision requirement of processing heavy parts is transferred to the requirement to the less boring jig tooling of processing by the present invention, again with this boring jig tooling for benchmark, simple machine is utilized to carry out hole group processing to heavy parts, finally meet Product Precision demand, both solve the problem of the hanging device using high accuracy floor-type milling & boring machine need vacate extra space and to reinstate high elevating capacity, solve again the simple problem using power boring bar need carry out repeatedly tool setting to cause reducing precision.
Accompanying drawing explanation
Fig. 1 is the structural representation of boring jig tooling in the embodiment of the present invention one.
Fig. 2 be in the embodiment of the present invention one boring jig tooling partly cut open after the enlarged drawing of a control wells on it.
Fig. 3 is the structural representation of part to be processed in the embodiment of the present invention one.
Fig. 4 is that in the embodiment of the present invention one, boring jig tooling is arranged on the structural representation on part to be processed.
Fig. 5 is be benchmark utilize power boring bar to treat structural representation that processing parts carries out hole group processing with boring jig tooling in the embodiment of the present invention one.
Wherein,
1, boring jig tooling 2, control wells 3, central cross line 1, jacking block 5, hole end surface 1, hole end surface 27, part to be processed 8, central cross line 29, power boring bar 10, boring machine 11, boring bar support 12, support platform
Detailed description of the invention
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described in further detail, but the present invention is not limited to these embodiments.
Embodiment one: this embodiment, part to be processed to need processing eight holes, carries out very thin explanation to the processing method in the present invention.
Utilize frock to realize a processing method for high position precision holes group, comprise the steps:
Step 1: as shown in Figure 3, part 7 to be processed need process eight holes in certain position, therefore the distribution shape needed according to these eight holes makes boring jig tooling 1 as shown in Figure 1, the appearance and size of described boring jig tooling 1 depends primarily on distribution situation part 7 to be processed needing eight holes processed, the outline of boring jig tooling 1 is not limited only to the octagon shown in Fig. 1, it can also be the geometry such as circle, ellipse, triangle, as long as boring jig tooling 1 can cover the hole group of part to be processed;
Step 2: as shown in Figure 1, the central authorities of described boring jig tooling 1 offer endoporus, the inwall of endoporus arrange four pieces for calibrating the jacking block 4 of the installation site of boring jig tooling 1 on part 7 to be processed;
Step 3: as shown in Figure 1, described boring jig tooling 1 is accurately portrayed the central cross line 1 for calibrating its installation site on part 7 to be processed;
Step 4: as shown in Figure 1, described boring jig tooling 1 is offered the control wells group identical with the hole group distribution situation on part 7 to be processed; The precision forming each control wells 2 of this control wells group is not less than precision part 7 to be processed forming each hole of hole group; As shown in Figure 2, the hole end surface 1 of each control wells 2 and hole end surface 26 need be parallel to each other and each hole end surface need meet hole on part 7 to be processed to the requirement of flatness;
Step 5: as shown in Figure 3, before installation boring jig tooling 1, need the central cross line marked during the structural member welding first according to composition part 7 to be processed to treat processing parts 7 carry out leveling centering and portray central cross line 28, then, as shown in Figure 4, utilize the jacking block 4 on the corresponding boring jig tooling 1 of the screw rod jackscrew be arranged in advance on part 7 to be processed, the central cross line 1 of adjustment boring jig tooling 1 and the central cross line 28 of part 7 to be processed, make the Working position of the hole group on the position alignment of control wells group part 7 to be processed, fixing boring jig tooling 1 after aiming at;
Step 6: choose power boring bar according to the pore size of control wells, and with the inner circle of the control wells 2 forming each control wells group, hole end surface for benchmark, installation, adjustment four power boring bars 9; Be calibrated to by power boring bar 9 in the scope of mismachining tolerance permission, the hole utilizing power boring bar 9 to treat on processing parts 7 through control wells 2 processes; As shown in Figure 5, power boring bar 9 is driven by boring machine 10, and power boring bar 9 is arranged on boring bar support 11, and boring machine 10 is placed in support platform 12, and for ease of processing hole group, support platform 12 can be arranged to adjustable height support platform.
Embodiment two: in described step 2, jacking block 4 is arranged on the peripheral border of boring jig tooling 1, and the number of jacking block 4 is not fixed, and its quantity depends on the quantity of screw rod jackscrew on part 7 to be processed.It should be noted that, the processing space around part 7 to be processed is still depended in outside in the inside that jacking block 4 is arranged on boring jig tooling 1.
In addition, described power boring bar 9 can have singlely also can have many, when power boring bar 9 is single, power requirement boring bar 9 each hole to the hole group of composition part 7 to be processed processes separately, when power boring bar 9 is many, processed in batches can be carried out to each hole of the hole group of composition part 7 to be processed.The quantity of power boring bar 9 can adjust according to the distribution space of hole group on part to be processed and needs.
The part do not addressed in the present invention adopts or uses for reference prior art and can realize.
Specific embodiment described herein is only to spiritual example explanation of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (6)
1. utilize frock to realize a processing method for high position precision holes group, it is characterized in that: comprise the steps:
Step 1: the distribution shape according to hole group on part to be processed makes boring jig tooling, and the appearance and size of described boring jig tooling need meet the hole group that can cover part to be processed and be as the criterion;
Step 2: multiple jacking block for calibrating its installation site on part to be processed is set on described boring jig tooling;
Step 3: portray the central cross line for calibrating its installation site on part to be processed on described boring jig tooling;
Step 4: offer the control wells group identical with the hole group distribution situation on part to be processed on described boring jig tooling;
Step 5: described boring jig tooling is mounted to position part to be processed needing to offer hole group, when boring jig tooling is installed, the Working position of the hole group on part to be processed need be aimed in the position of control wells group;
Step 6: choose power boring bar according to the pore size of control wells, to form the inner circle of the control wells of each control wells group, hole end surface for benchmark, installs, motivation of adjustment boring bar, and the hole utilizing power boring bar to treat on processing parts through control wells processes.
2. a kind of processing method utilizing frock to realize high position precision holes group according to claim 1, it is characterized in that: in described step 2, the central authorities of described boring jig tooling offer endoporus, and each jacking block is arranged on the inwall of endoporus.
3. a kind of processing method utilizing frock to realize high position precision holes group according to claim 1, it is characterized in that: in described step 2, jacking block is arranged on the peripheral border of boring jig tooling.
4. a kind of processing method utilizing frock to realize high position precision holes group according to any one of claims 1 to 3 claim, it is characterized in that: in described step 4, the precision forming each control wells of this control wells group is not less than the precision in each hole part to be processed forming hole group, and the upper and lower hole end surface of each control wells need be parallel to each other and each hole end surface need meet the requirement of the hole on part to be processed to flatness.
5. a kind of processing method utilizing frock to realize high position precision holes group according to any one of claims 1 to 3 claim, it is characterized in that: in described step 5 and step 6, power boring bar has single or many, when power boring bar is single, power requirement boring bar each hole to the hole group of composition part to be processed processes separately, when power boring bar is many, processed in batches can be carried out to each hole of the hole group of composition part to be processed.
6. a kind of processing method utilizing frock to realize high position precision holes group according to any one of claims 1 to 3 claim, it is characterized in that: in described step 5, before installation boring jig tooling, need the central cross line marked during the structural member welding first according to composition part to be processed to treat processing parts carry out leveling centering and portray central cross line, then the jacking block of the corresponding boring jig tooling of the screw rod jackscrew be arranged in advance on part to be processed is utilized, the adjustment central cross line of boring jig tooling and the central cross line of part to be processed, and fixing boring jig tooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314202.8A CN104923834B (en) | 2015-06-10 | 2015-06-10 | The processing method that a kind of utilization frock realizes high position precision holes group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510314202.8A CN104923834B (en) | 2015-06-10 | 2015-06-10 | The processing method that a kind of utilization frock realizes high position precision holes group |
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| CN104923834A true CN104923834A (en) | 2015-09-23 |
| CN104923834B CN104923834B (en) | 2017-11-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1418366A (en) * | 1961-09-11 | 1965-11-19 | Tooling structure | |
| DE2927940A1 (en) * | 1979-07-11 | 1981-01-29 | Aeg Kanis Turbinen | Turbine guide vane mounting prodn. method - uses annular jig with drill bushes secured by hardening synthetic resin |
| US4520060A (en) * | 1983-01-15 | 1985-05-28 | Bluemle Rudi | Method for fabricating a master plate and a master plate fabricated thereby having fitting bores disposed at prespecified coordinate intervals |
| CN201329500Y (en) * | 2008-12-18 | 2009-10-21 | 南车成都机车车辆有限公司 | Clamp for box body component horizontally-mounted boring hole |
| CN203076969U (en) * | 2013-01-12 | 2013-07-24 | 中国一拖集团有限公司 | Device for indexing and boring machining of large disk-type workpiece on boring mill |
-
2015
- 2015-06-10 CN CN201510314202.8A patent/CN104923834B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1418366A (en) * | 1961-09-11 | 1965-11-19 | Tooling structure | |
| DE2927940A1 (en) * | 1979-07-11 | 1981-01-29 | Aeg Kanis Turbinen | Turbine guide vane mounting prodn. method - uses annular jig with drill bushes secured by hardening synthetic resin |
| US4520060A (en) * | 1983-01-15 | 1985-05-28 | Bluemle Rudi | Method for fabricating a master plate and a master plate fabricated thereby having fitting bores disposed at prespecified coordinate intervals |
| CN201329500Y (en) * | 2008-12-18 | 2009-10-21 | 南车成都机车车辆有限公司 | Clamp for box body component horizontally-mounted boring hole |
| CN203076969U (en) * | 2013-01-12 | 2013-07-24 | 中国一拖集团有限公司 | Device for indexing and boring machining of large disk-type workpiece on boring mill |
Non-Patent Citations (1)
| Title |
|---|
| 冯于猎: "用普通镗床预精镗船舶轴系法兰孔", 《造船技术》 * |
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