CN105414587A - Machining technology for through hole of steel structure - Google Patents

Machining technology for through hole of steel structure Download PDF

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Publication number
CN105414587A
CN105414587A CN201510895554.7A CN201510895554A CN105414587A CN 105414587 A CN105414587 A CN 105414587A CN 201510895554 A CN201510895554 A CN 201510895554A CN 105414587 A CN105414587 A CN 105414587A
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China
Prior art keywords
drilling
hole
boring
conducted
feed
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Application number
CN201510895554.7A
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Chinese (zh)
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CN105414587B (en
Inventor
杨家军
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.)
Chengde Binda Weiye intelligent assembly construction engineering Co., Ltd
Original Assignee
AVIC HONGBO WINDPOWER EQUIPMENT Co Ltd
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Priority to CN201510895554.7A priority Critical patent/CN105414587B/en
Publication of CN105414587A publication Critical patent/CN105414587A/en
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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
    • B23B51/00Tools for drilling machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10Arrangements for cooling or lubricating tools or work

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention discloses a machining technology for a through hole of a steel structure. The machining technology includes the following steps that positioning is conducted, wherein positioning line marking is conducted on a workpiece firstly, and a sample stamping point is punched; drilling is conducted, wherein drilling begins after a hollow drill bit centre is used for fast positioning and guiding during drilling, and feed should be slow and stable when drilling just begins, and the feed speed can be increased after cutting is conducted by 1-2 mm; tool discharging is conducted, wherein during tool discharging, the tool walking speed is reduced properly, feed should be kept even in the middle cutting process, and sufficient cooling should be kept in the whole process from drilling beginning to drilling completing; and a drilling tool is a hollow magnetic force drill. The machining technology has the beneficial effects that labor intensity of workers is lowered, machining efficiency is greatly improved, hole machining precision is also improved, cost is saved for an enterprise, and considerable economic benefits are generated.

Description

A kind of steel construction machining process for through hole
Technical field
The present invention discloses a kind of processing technology of through hole, particularly a kind of processing technology of steel construction through hole.
Background technology
The through hole that in structure steel fabrication, some size is large often can not process in advance because of material require bending, volume circle.And because there has been shape after steel structure forming, boring difficulty strengthens, borehole accuracy declines, and the efficiency of processing and manufacturing is extremely low.On steel construction, generally process through hole can adopt Twist Drill, also can with processing modes such as radial drill boring cutter bore holes.
Low by Twist Drill efficiency, the range of work is smaller simultaneously, usually can only process the hole of D25.For the hole that size is large, need substep processing, first machining small, is then enlarged to required size gradually.Because fluted drill length is longer, bore the little and poor rigidity of core diameter, have again the impact of chisel edge, the easy deflection of drill bit, aperture easily expands, and the surface quality in hole is poor, and during drilling, axial force is large.This processing method wastes time and energy, and production efficiency is low, and machining accuracy is low, and cost of labor is very high.
Another kind method utilizes radial drill, uses through hole boring cutter to carry out machining hole.Still needing subdrilling bottom outlet before bore hole, take bottom outlet as support guide, then utilizes boring cutter bore hole.Need in process repeatedly to adjust cutter head overhang, need size until be worked into.
Require higher to the shape of workpiece, size, clamping when utilizing radial drill bore hole, operation strategies is narrow.In addition due to machine tool structure, not extremely, main shaft is thin again for the rocking arm of radial drilling machine and main spindle box lock, and main shaft vibrations in boring hole are very serious, affect the precision of bore hole.
Summary of the invention
The object of the invention is to overcome above deficiency, provide a kind of and reduce labor strength, working (machining) efficiency significantly improves, and hole machined precision is high, cost-saving steel construction machining process for through hole.
Object of the present invention is achieved through the following technical solutions: a kind of steel construction machining process for through hole, comprises the following steps:
A, location: first positioning marking stamp sample and rush a little on workpiece, must guarantee before boring that drill is in place completely, not have the phenomenon loosening or not have clamping; Without iron filings under guarantee rig magnetic patch, adsorption plane is smooth, and machine is without waving or complete adsorption phenomena;
B, boring: by starting boring after hollow boring bit thimble quick position guiding during boring, answer feed slowly steady 80 ~ 125r/m when boring just starts, can accelerate feed velocity 200 ~ 315r/m after incision 1-2mm.
C, go out cutter: suitably slow down when going out cutter feeding speed 0.1 ~ 0.13mm/r, intermediate cut process should keep feed even, starts to hole until the overall process of hole should keep cooling abundant, cutting fluid can be adopted to cool; Described drill is hollow magnetic drill.
The present invention compared with prior art has the following advantages:
Reduce labor strength, working (machining) efficiency significantly improves, and hole machined precision also increases, and for company has saved cost, produces considerable economic benefit.
detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
The detailed description of the invention of a kind of steel construction machining process for through hole of the present invention, comprises the following steps:
A, location: first positioning marking stamp sample and rush a little on workpiece, must guarantee before boring that drill is in place completely, not have the phenomenon loosening or not have clamping; Without iron filings under guarantee rig magnetic patch, adsorption plane is smooth, and machine is without waving or complete adsorption phenomena;
B, boring: by starting boring after hollow boring bit thimble quick position guiding during boring, answer feed slowly steady 80 ~ 125r/m when boring just starts, can accelerate feed velocity 200 ~ 315r/m after incision 1-2mm.
C, go out cutter: suitably slow down when going out cutter feeding speed 0.1 ~ 0.13mm/r, intermediate cut process should keep feed even, starts to hole until the overall process of hole should keep cooling abundant, cutting fluid can be adopted to cool; Described drill is hollow magnetic drill.
Present invention reduces labor strength, working (machining) efficiency significantly improves, and hole machined precision also increases, and for company has saved cost, produces considerable economic benefit
The another statement of applicant, the present invention illustrates implementation method of the present invention and apparatus structure by above-described embodiment, but the present invention is not limited to above-mentioned embodiment, does not namely mean that the present invention must rely on said method and structure could be implemented.Person of ordinary skill in the field should understand, any improvement in the present invention, replaces and the interpolation of step, concrete way choice etc., all drop within protection scope of the present invention and scope of disclosure implementation method equivalence selected by the present invention.
The present invention is not limited to above-mentioned embodiment, and all employings and analog structure of the present invention and method thereof realize all modes of the object of the invention, all within protection scope of the present invention.

Claims (2)

1. a steel construction machining process for through hole, is characterized in that: comprise the following steps:
Location: first positioning marking stamp sample and rush a little on workpiece, must guarantee before boring that drill is in place completely, not have the phenomenon loosening or do not have clamping; Without iron filings under guarantee rig magnetic patch, adsorption plane is smooth, and machine is without waving or complete adsorption phenomena;
Boring: by starting boring after hollow boring bit thimble quick position guiding during boring, answer feed slowly steady 80 ~ 125r/m when boring just starts, can accelerate feed velocity 200 ~ 315r/m after incision 1-2mm;
Go out cutter: suitably slow down when going out cutter feeding speed 0.1 ~ 0.13mm/r, intermediate cut process should keep feed even, starts to hole until the overall process of having holed should keep cooling fully.
2. a kind of steel construction machining process for through hole according to claim 1, is characterized in that: described drill is hollow magnetic drill.
CN201510895554.7A 2015-12-08 2015-12-08 A kind of steel construction machining process for through hole Active CN105414587B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510895554.7A CN105414587B (en) 2015-12-08 2015-12-08 A kind of steel construction machining process for through hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510895554.7A CN105414587B (en) 2015-12-08 2015-12-08 A kind of steel construction machining process for through hole

Publications (2)

Publication Number Publication Date
CN105414587A true CN105414587A (en) 2016-03-23
CN105414587B CN105414587B (en) 2018-06-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106584030A (en) * 2016-12-19 2017-04-26 中国科学院长春光学精密机械与物理研究所 Machining method for small-diameter positioning pin hole
CN109047808A (en) * 2018-10-22 2018-12-21 安徽青润精密科技有限公司 A kind of steel construction machining process for through hole

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08290311A (en) * 1995-04-21 1996-11-05 Nippon Steel Corp Drilling method and sheet used for this drilling method
CN2377029Y (en) * 1999-05-28 2000-05-10 朱虎林 Multiple-cutting-edge steel plate drill
CN101758372A (en) * 2009-12-08 2010-06-30 中国第一冶金建设有限责任公司 Method for forming mold for drilling high-strength bolt holes for coke dry quenching body frame structure
CN101811201A (en) * 2009-12-21 2010-08-25 南通中远船务工程有限公司 Method for drilling ultradeep pores in high-strength steel
CN102179540A (en) * 2011-04-22 2011-09-14 海波重型工程科技股份有限公司 Sample mold drilling method for steel truss girder whole node rod

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08290311A (en) * 1995-04-21 1996-11-05 Nippon Steel Corp Drilling method and sheet used for this drilling method
CN2377029Y (en) * 1999-05-28 2000-05-10 朱虎林 Multiple-cutting-edge steel plate drill
CN101758372A (en) * 2009-12-08 2010-06-30 中国第一冶金建设有限责任公司 Method for forming mold for drilling high-strength bolt holes for coke dry quenching body frame structure
CN101811201A (en) * 2009-12-21 2010-08-25 南通中远船务工程有限公司 Method for drilling ultradeep pores in high-strength steel
CN102179540A (en) * 2011-04-22 2011-09-14 海波重型工程科技股份有限公司 Sample mold drilling method for steel truss girder whole node rod

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106584030A (en) * 2016-12-19 2017-04-26 中国科学院长春光学精密机械与物理研究所 Machining method for small-diameter positioning pin hole
CN109047808A (en) * 2018-10-22 2018-12-21 安徽青润精密科技有限公司 A kind of steel construction machining process for through hole

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Effective date of registration: 20200115

Address after: 242000 Meixi Road and Wolong Lane Intersection of Feichuan Office in Xuancheng City, Anhui Province

Patentee after: Xuancheng Youdu Technology Service Co., Ltd.

Address before: The three group of Tongzhou District Xingren Zhen Sun Jia Qiao Cun, Jiangsu city of Nantong province 226000

Patentee before: AVIC Hongbo Windpower Equipment Co., Ltd.

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Effective date of registration: 20200403

Address after: 067000 No.6, North Zone, high tech Industrial Development Zone (Liugou Park), Chengde County, Chengde City, Hebei Province

Patentee after: Chengde Binda Weiye intelligent assembly construction engineering Co., Ltd

Address before: 242000 Meixi Road and Wolong Lane Intersection of Feichuan Office in Xuancheng City, Anhui Province

Patentee before: Xuancheng Youdu Technology Service Co., Ltd.

TR01 Transfer of patent right