CN102554576A - Super-long bed sectional finish machining process for large roll grinder - Google Patents
Super-long bed sectional finish machining process for large roll grinder Download PDFInfo
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- CN102554576A CN102554576A CN2012100279909A CN201210027990A CN102554576A CN 102554576 A CN102554576 A CN 102554576A CN 2012100279909 A CN2012100279909 A CN 2012100279909A CN 201210027990 A CN201210027990 A CN 201210027990A CN 102554576 A CN102554576 A CN 102554576A
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Abstract
The invention discloses a super-long bed sectional finish machining process for a large roll grinder, which comprises a super-long bed sectional fine planing guide rail machining process and a bed installing and debugging process. The super-long bed sectional fine planing guide rail machining process comprises the steps of middle-section bed finish machining, front-section bed finish machining and rear-section bed finish machining. Under the condition that the specification of a machine tool is limited, due to the adoption of the three-section spliced bed sectional and separated finish machining process method disclosed by the invention, the cost of purchasing the special machine tool can be saved and the design requirement can also be met. The super-long bed sectional finish machining process for the large roll grinder has ultrahigh economic value.
Description
Technical field
The present invention relates to the large-scale roller grinding machine, particularly a kind of large-scale roller grinding machine overlength lathe bed segmentation fine-processing technique.
Background technology
Large-scale MK84200 * 180 CNC roll grinders are in order to satisfy the needs of large-scale iron and steel enterprise to the production of Wide and Thick Slab, and the big heavy-duty numerical control roll grinder of developing.This product is length overall is grown most in the present similar lathe of China one; The bed piece length overall reaches 24600mm; Receive the restriction of producer's machining tool specification; This lathe bed can only be divided into three sections splicing constructions, and like Fig. 1, and the processing of three sections lathe beds must be combined into whole lathe bed use behind the single hop adjustable cast iron planes V-level gauge; And lathe bed segmentation fine finishining be combined into integral bed after one's death its V-level gauge precision can reach requirement, promptly each form and position tolerance whether reach requirement satisfy the design and use requirement be processing in maximum difficult point.
Summary of the invention
The object of the present invention is to provide a kind of large-scale roller grinding machine overlength lathe bed segmentation fine-processing technique; Make lathe bed segmentation fine finishining be combined into integral bed after one's death its V-level gauge precision reach requirement; Be that each form and position tolerance reaches requirement and satisfies the design and use requirement; Thereby satisfy the production of large-scale roller grinding machine, satisfy the needs of large-scale iron and steel enterprise the production of Wide and Thick Slab.
Formation of the present invention: a kind of large-scale roller grinding machine overlength lathe bed segmentation fine-processing technique, comprise overlength lathe bed segmentation adjustable cast iron planes guide rail processing technology and lathe bed Installation and Debugging,
One, overlength lathe bed segmentation adjustable cast iron planes guide rail processing technology comprises stage casing lathe bed fine finishining, the fine finishining of leading portion lathe bed, the fine finishining of back segment lathe bed, wherein:
1. stage casing lathe bed fine finishining
A. the stage casing lathe bed hangs on the accurate digital control planer-type milling machine;
B. finish-milling bottom surface and two ends Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2, with bottom surface perpendicularity 0.01, and by pincers worker with flat two Mosaic faces of fresh oil oil;
C. the stage casing lathe bed hangs on the Precision Machining metal-planing machine, correction accuracy, and assembly unit two ends splicing template;
D. adjustable cast iron planes stage casing lathe bed and two splices V-level gauge on the templates;
E. passed examination postscript picture recording closes data, pulls down two ends splicing template, beats the assembling position numbering;
2. leading portion lathe bed fine finishining
A. the leading portion lathe bed hangs on the accurate digital control planer-type milling machine;
B. finish-milling bottom surface and right-hand member Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2, with bottom surface perpendicularity 0.01, and by pincers worker with flat this Mosaic face of fresh oil oil;
C. the leading portion lathe bed hangs on the Precision Machining metal-planing machine, place by imaginary stitching position, and correction accuracy;
D. by numbering choosing dress right-hand member splicing template;
E. make model with the splicing template: V-level gauge on the adjustable cast iron planes leading portion lathe bed;
F. check and write down related data, guarantee to conform to that it is qualified to be, pull down right-hand member and splice template with stage casing lathe bed data;
3. back segment lathe bed fine finishining
A. the back segment lathe bed hangs on the accurate digital control planer-type milling machine;
B. finish-milling bottom surface and left end Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2 is with bottom surface perpendicularity 0.01; And by pincers worker with flat this Mosaic face of fresh oil oil;
C. the back segment lathe bed hangs on the Precision Machining metal-planing machine, place by imaginary stitching position, and correction accuracy;
D. by numbering choosing dress left end splicing template;
E. make model with the splicing template: V-level gauge on the adjustable cast iron planes back segment lathe bed;
F. check and write down related data, guarantee to conform to that it is qualified to be, pull down left end and splice template with stage casing lathe bed data;
Two, lathe bed Installation and Debugging
1. lift the stage casing lathe bed earlier in coarse adjustment lathe bed precision is installed on the basis;
2. lifting leading portion lathe bed, with the stage casing splicing machine tool, and examination transfer before, in two sections bed ways precision;
3. lifting back segment lathe bed, with the stage casing splicing machine tool, and examination transfer in, back bed ways precision;
4. three sections composite entity bed ways precision before, during and after the comprehensive accurate adjustment.
Compared with prior art, under the limited situation of machine-tool specification, adopt technology of the present invention,
Can practice thrift the cost of buying special purpose machine tool, can meet design requirement again simultaneously, have high economic worth.
Description of drawings
Fig. 1 is the lathe bed structure sketch map,
Fig. 2 is lathe bed end profile figure,
Fig. 3 is a splicing template sketch map,
Fig. 4 is a stage casing lathe bed processing sketch map,
Fig. 5 leading portion lathe bed processing sketch map,
Fig. 6 section lathe bed processing sketch map.
The specific embodiment
1-6 as shown in the figure, large-scale roller grinding machine overlength lathe bed segmentation fine-processing technique of the present invention comprises
Overlength lathe bed segmentation adjustable cast iron planes guide rail processing technology and lathe bed Installation and Debugging, specific as follows:
One, overlength lathe bed segmentation adjustable cast iron planes guide rail processing technology
This large-scale roller grinding machine divides three sections lathe beds, and material is the HT250 grey cast-iron, and cross section is trapezoidal, and guide rail is " V-is flat " form, and guideway centreline like Fig. 2, always reaches 24600mm apart from 1.2 meters, adopts three sections splicing constructions.Add and take the independent method for finishing manufactured of segmentation man-hour, therefore the precision of " V-is flat " guide rail and Mosaic face becomes the key of processing, for guaranteeing part precision and stability; Thick, half smart, smart three grades of processing that guide rail divides, preceding, in; The three sections Mosaic faces in back are before the fine finishining guide rail, and finish-milling is accomplished, and are good to guarantee the faying face contact; Because of having the slit to produce precision, faying face lost efficacy when preventing that saddle from moving, and as the rectifying plane of fine finishining guide rail, vertical to guarantee guide rail with Mosaic face; Add man-hour, first fine finishining stage casing lathe bed, i.e. the longest section; And on the Mosaic face of lathe bed two ends, stage casing, adorn frock-splicing template, like Fig. 3, copy on it with protection Mosaic face profile integrity and with the accuracy of form and position of stage casing lathe bed.Respectively two splicing templates are loaded onto on the corresponding separately Mosaic face during fine finishining front and rear sections lathe bed; " V-the is flat " guide rail and the part outer contour shape of forward and backward two sections lathe beds are controlled with the splicing template; That is: the accuracy of form and position with the stage casing lathe bed copies on forward and backward two sections lathe beds; Thereby the accuracy of form and position that guarantees three sections lathe beds is consistent, to satisfy the design and use requirement.
Further specify in the face of overlength lathe bed segmentation adjustable cast iron planes guide rail processing technology down:
1. stage casing lathe bed fine finishining
A. the stage casing lathe bed hangs on the accurate digital control planer-type milling machine;
B. finish-milling bottom surface and two ends Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2, with bottom surface perpendicularity 0.01, and by pincers worker with flat two Mosaic faces of fresh oil oil;
C. the stage casing lathe bed hangs on the Precision Machining metal-planing machine, and correction accuracy, and assembly unit two ends splicing template are like Fig. 4;
D. adjustable cast iron planes stage casing lathe bed and two splices V-level gauge on the templates, like Fig. 2;
E. passed examination postscript picture recording closes data, pulls down two ends splicing template, beats the assembling position numbering.
2. leading portion lathe bed fine finishining
A. the leading portion lathe bed hangs on the accurate digital control planer-type milling machine
B. finish-milling bottom surface and right-hand member Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2, with bottom surface perpendicularity 0.01, and by pincers worker with flat this Mosaic face of fresh oil oil
C. the leading portion lathe bed hangs on the Precision Machining metal-planing machine, place by imaginary stitching position, and correction accuracy
D. by numbering choosing dress right-hand member splicing template (like Fig. 5)
E. make model with the splicing template: V-level gauge (like Fig. 2) on the adjustable cast iron planes leading portion lathe bed
F. check and write down related data, guarantee to conform to that it is qualified to be, pull down right-hand member and splice template with stage casing lathe bed data.
3. back segment lathe bed fine finishining
A. the back segment lathe bed hangs on the accurate digital control planer-type milling machine;
B. finish-milling bottom surface and left end Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2,
With bottom surface perpendicularity 0.01; And by pincers worker with flat this Mosaic face of fresh oil oil;
C. the back segment lathe bed hangs on the Precision Machining metal-planing machine, place by imaginary stitching position, and correction accuracy;
D. by numbering choosing dress left end splicing template, like Fig. 5;
E. make model with the splicing template: V-level gauge on the adjustable cast iron planes back segment lathe bed, like Fig. 2;
F. check and write down related data, guarantee to conform to that it is qualified to be, pull down left end and splice template with stage casing lathe bed data.
Two, lathe bed Installation and Debugging
1. lift the stage casing lathe bed earlier in coarse adjustment lathe bed precision is installed on the basis;
2. lifting leading portion lathe bed, with the stage casing splicing machine tool, and examination transfer before, in two sections bed ways precision;
3. lifting back segment lathe bed, with the stage casing splicing machine tool, and examination transfer in, back bed ways precision;
4. three sections composite entity bed ways precision before, during and after the comprehensive accurate adjustment.
Through assembling Installation and Debugging and check, its precision satisfies design and operational requirement fully, and proving should
Processing method-three section independent accurately machined the process of splicing lathe bed segmentation is practicable.Under the limited situation of machine-tool specification, adopt technology of the present invention, can practice thrift the cost of buying special purpose machine tool, can meet design requirement again simultaneously, have high economic worth.
Claims (1)
1. a large-scale roller grinding machine overlength lathe bed segmentation fine-processing technique comprises overlength lathe bed segmentation adjustable cast iron planes guide rail processing technology and lathe bed Installation and Debugging, it is characterized in that:
One, overlength lathe bed segmentation adjustable cast iron planes guide rail processing technology
1. stage casing lathe bed fine finishining
A. the stage casing lathe bed hangs on the accurate digital control planer-type milling machine;
B. finish-milling bottom surface and two ends Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2, with bottom surface perpendicularity 0.01, and by pincers worker with flat two Mosaic faces of fresh oil oil;
C. the stage casing lathe bed hangs on the Precision Machining metal-planing machine, correction accuracy, and assembly unit two ends splicing template;
D. adjustable cast iron planes stage casing lathe bed and two splices V-level gauge on the templates;
E. passed examination postscript picture recording closes data, pulls down two ends splicing template, beats the assembling position numbering;
2. leading portion lathe bed fine finishining
A. the leading portion lathe bed hangs on the accurate digital control planer-type milling machine;
B. finish-milling bottom surface and right-hand member Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2, with bottom surface perpendicularity 0.01, and by pincers worker with flat this Mosaic face of fresh oil oil;
C. the leading portion lathe bed hangs on the Precision Machining metal-planing machine, place by imaginary stitching position, and correction accuracy;
D. by numbering choosing dress right-hand member splicing template;
E. make model with the splicing template: V-level gauge on the adjustable cast iron planes leading portion lathe bed;
F. check and write down related data, guarantee to conform to that it is qualified to be, pull down right-hand member and splice template with stage casing lathe bed data;
3. back segment lathe bed fine finishining
A. the back segment lathe bed hangs on the accurate digital control planer-type milling machine;
B. finish-milling bottom surface and left end Mosaic face: require flatness 0.03, linearity 0.01, roughness Ra3.2 is with bottom surface perpendicularity 0.01; And by pincers worker with flat this Mosaic face of fresh oil oil;
C. the back segment lathe bed hangs on the Precision Machining metal-planing machine, place by imaginary stitching position, and correction accuracy;
D. by numbering choosing dress left end splicing template;
E. make model with the splicing template: V-level gauge on the adjustable cast iron planes back segment lathe bed;
F. check and write down related data, guarantee to conform to that it is qualified to be, pull down left end and splice template with stage casing lathe bed data;
Two, lathe bed Installation and Debugging
1. lift the stage casing lathe bed earlier in coarse adjustment lathe bed precision is installed on the basis;
2. lifting leading portion lathe bed, with the stage casing splicing machine tool, and examination transfer before, in two sections bed ways precision;
3. lifting back segment lathe bed, with the stage casing splicing machine tool, and examination transfer in, back bed ways precision;
4. three sections composite entity bed ways precision before, during and after the comprehensive accurate adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100279909A CN102554576A (en) | 2012-02-09 | 2012-02-09 | Super-long bed sectional finish machining process for large roll grinder |
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| CN2012100279909A CN102554576A (en) | 2012-02-09 | 2012-02-09 | Super-long bed sectional finish machining process for large roll grinder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922421A (en) * | 2012-10-29 | 2013-02-13 | 长春第一机床有限公司 | Gantry guide rail grinding machine body abutting processing process |
| CN104227346A (en) * | 2014-08-22 | 2014-12-24 | 南通力科机床制造有限公司 | Machining process for workbench base of knee type milling machine |
| CN104227347A (en) * | 2014-08-22 | 2014-12-24 | 南通力科机床制造有限公司 | Machining process for machine body of knee type milling machine |
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| US5904242A (en) * | 1997-06-13 | 1999-05-18 | Swanson Systems, Inc. | Modular assembly machine |
| EP1854577A1 (en) * | 2006-05-12 | 2007-11-14 | Yamazaki Mazak Corporation | Method of manufacturing column and bed of machine tool and structure thereof |
| CN101318280A (en) * | 2007-06-06 | 2008-12-10 | 上海重型机床厂有限公司 | Overlength bed way precision finishing process |
| CN101407023A (en) * | 2008-11-20 | 2009-04-15 | 无锡桥联数控机床有限公司 | Locator key for splicing machine tool bodies in processing center |
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| US6036003A (en) * | 1997-06-13 | 2000-03-14 | Swanson Systems, Inc. | Modular assembly machine |
| EP1854577A1 (en) * | 2006-05-12 | 2007-11-14 | Yamazaki Mazak Corporation | Method of manufacturing column and bed of machine tool and structure thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922421A (en) * | 2012-10-29 | 2013-02-13 | 长春第一机床有限公司 | Gantry guide rail grinding machine body abutting processing process |
| CN104227346A (en) * | 2014-08-22 | 2014-12-24 | 南通力科机床制造有限公司 | Machining process for workbench base of knee type milling machine |
| CN104227347A (en) * | 2014-08-22 | 2014-12-24 | 南通力科机床制造有限公司 | Machining process for machine body of knee type milling machine |
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Application publication date: 20120711 |