CN101708575B - High-precision workbench processing method - Google Patents
High-precision workbench processing method Download PDFInfo
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- CN101708575B CN101708575B CN 200910073184 CN200910073184A CN101708575B CN 101708575 B CN101708575 B CN 101708575B CN 200910073184 CN200910073184 CN 200910073184 CN 200910073184 A CN200910073184 A CN 200910073184A CN 101708575 B CN101708575 B CN 101708575B
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- workbench
- guide rail
- ring
- main shaft
- table base
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Abstract
The invention discloses a high-precision machine tool workbench and a processing method thereof. The workbench has the structure that the end surface of the main shaft is provided with a high-precision locating ring; a main-shaft static-pressure oil film is arranged between a static-pressure bushing on the workbench and the main shaft; a workbench guide rail ring static-pressure oil film is arranged between the workbench and a guide rail ring; the joint surface of the guide rail ring and the workbench base is provided with an annular glue containing groove; and high-precision guide rail locating glue is filled and bonded between the guide rail ring and the workbench base. The invention completely replaces the traditional technique of scraping and milling the mounting surface of the guide rail ring. The processing method has the advantages of simple and practical operation, low cost and high reliability. When the design is used for assembling the components of the workbench, the precisions of the end surface and the radial runout of the workbench are within 0.003 mm. The invention realizes precise mounting and location of the guide rail ring and the workbench base and solves the problems in the aspects of mechanical vibrations and oil temperature thermal conduction in the application of machine tools, thereby being a multipurpose innovational technique.
Description
Technical field
The present invention relates to a kind of processing method of high precision machine tool workbench.
Background technology
At present, the high-precision workbench of machine industry mostly adopts hydrostatic bearing, because the complex structure of this design, it is installed and adjusts all difficulty especially, especially the installation of guide rail ring fully also all is to rely on machined surface directly to contact at present, and screw connects, pin locatees to realize.For the contact precision that reaches the guide rail ring with and and main shaft between the perpendicularity positional precision, can only realize by improving the combine between the higher and lower levels machining accuracy of face of guide rail ring.For satisfying this requirement, all be repeatedly its faying face to be carried out facing-up by the method for hand scraping usually in the past; Or finish through repeatedly dismounting, match grinding.These processes not only cycle length, precision should not be controlled, and the amount of labour is big, cost of manufacture naturally also can be quite high.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of high precision machine tool workbench processing method.Adopt the design can realize the high accuracy installation of guide rail ring simply, reliably.
The technical scheme of high precision machine tool workbench of the present invention is:
1, it is good hydrostatic bearing pad and workbench to be pressed the tapering facing-up, and contact area reaches more than 85%, and it is installed in the workbench taper hole, fastening good with screw.
2, reach more than 85% with guide rail ring and bench check table slide ring static pressure oil film place contact area, the cyclization of check location is ground after workbench faying face and the table slide ring static pressure oil film place depth of parallelism be not more than 0.005mm, and is with bolt that guide rail ring and workbench is fastening with technology.
3, with main shaft on high-precision cylindrical grinder, press the workbench hydrostatic bearing pad, preparation main shaft static pressure oil film.
4, table base is hung in adjusting on the parallels, after the adjustment level, main shaft is fastened on the table base with the main shaft construction bolt, at main shaft locating ring is installed.
5, the ring-like glue groove of table base is evenly coated high accuracy guide rail location glue, table base is connected the screw place and blocks with sealing with the guide rail ring, the thickness of location glue is 1.5 times of actual amount, simultaneously glue is adjusted to not overflow by gravity and is advisable, workbench is lifted on the table base, at this moment, workbench is with main shaft and locating ring location, the unnecessary glued membrane of the connecting portion of guide rail ring and table base is extruded, reach high accuracy guide rail location glue thickness, with the whole purposes of offsetting of the connecting portion error of guide rail ring and table base.
6, the location glue under 18 °～20 ° room temperatures, solidify reached working strength in 24 hours after, workbench 1 is sling, technology is pulled down with bolt, finish the injecting glue position fixing process.
The invention has the beneficial effects as follows to have replaced traditional facing-up, match grinding guide rail ring installed surface process fully that operation is simple only namely can to control this processing method of high accuracy of guide rail ring and table base joint face well with common machining process.And with low cost, reliability is fabulous.Adopt the design to finish the work after the assembling of platform parts, the end face of work top, circular runout precision are all in 0.003mm.When having realized the accurate installation location of guide rail ring and table base, in using, lathe solved the difficult problem of mechanical oscillation, oily warm conduction again, and be a novel technique of achieving many things at one stroke.
Description of drawings
The present invention will be further described with concrete mode below in conjunction with accompanying drawing
Fig. 1 is the partial structurtes sketch of workbench of the present invention
Number in the figure:
1, workbench 2, technology bolt 3, guide rail ring static pressure oil film 4, guide rail ring
5, guide rail location glue 6, table base 7, main shaft 8, hydrostatic bearing pad,
9, main shaft static pressure oil film 10, locating ring 11, main shaft construction bolt
The specific embodiment
Example 1
Referring to Fig. 1, main shaft static pressure oil film 9 is set between the hydrostatic bearing pad 8 on the workbench 1 and main shaft 7, this part is the key that guarantees workbench circular runout precision.Table slide ring static pressure oil film 3 is set between workbench 1 and guide rail ring 4, and this part is the key that guarantees workbench end face run-out precision.Be high accuracy guide rail location glue 5 between guide rail ring 4 and table base 6, this part is the key point that solves guide rail ring 4 and table base 6 assembly precisions.
Example 2
Processing method of the present invention is as follows:
1, it is good hydrostatic bearing pad 8 and workbench 1 to be pressed the tapering facing-up, and contact area reaches more than 85%, and it is installed in the workbench taper hole, fastening good with screw.
2, reach more than 85% with guide rail ring 4 and workbench 1 work for inspection platform guide rail ring static pressure oil film 3 place's contacts area, check locating ring 10 closes and grinds after workbench 1 faying face and table slide ring static pressure oil film 3 place's depth of parallelisms are not more than 0.005mm, and is with bolt 2 that guide rail ring 4 and workbench 1 is fastening with technology.
3, with main shaft 7 on high-precision cylindrical grinder, press workbench hydrostatic bearing pad 8, preparation main shaft static pressure oil film 9.
4, table base 6 is hung in adjusting on the parallels, after the adjustment level, main shaft 7 usefulness main shaft construction bolts 11 are fastened on the table base 6, at main shaft locating ring 10 is installed.
5, after the ring-like glue groove of table base evenly coated high accuracy guide rail location glue 5, attention: table base is connected the screw place and blocks with sealing with the guide rail ring, the thickness of location glue is 1.5 times of actual amount, simultaneously glue is adjusted to not overflow by gravity and is advisable, workbench 1 is lifted on the table base 6, at this moment, workbench 1 is with main shaft 7 and locating ring 10 location, the unnecessary glued membrane of guide rail ring 4 with the connecting portion of table base 7 extruded, reach high accuracy guide rail location glue 5 thickness, with guide rail ring 4 and the whole purposes of offsetting of the connecting portion error of table base 7.
6, the location glue under 18 °～20 ° room temperatures, solidify reached working strength in 24 hours after, workbench 1 is sling, technology is pulled down with bolt 2, finishes the injecting glue position fixing process.
By above process, guaranteed that workbench is installed after, the end face of work top and circular runout precision are in 0.003mm.
Claims (1)
1. the processing method of a high precision machine tool workbench, it is characterized in that: this platen project organization is as follows: at main shaft (7) end face hi-Fix ring (10) is housed at workbench (1), between the hydrostatic bearing pad (8) on the workbench (1) and main shaft (7), main shaft static pressure oil film (9) is set, between workbench (1) and guide rail ring (4), be provided with table slide ring static pressure oil film (3), be provided with ring-like glue groove at guide rail ring (4) and table base (6) faying face, fill bonding with high accuracy guide rail location glue (5) between guide rail ring (4) and table base (6) faying face; Adopt following steps to assemble processing according to said structure:
A, that hydrostatic bearing pad (8) and workbench (1) press the tapering facing-up is good, and contact area reaches more than 85%, and it is installed in the workbench taper hole, and the usefulness screw is fastening good;
B, locate with guide rail ring (4) and workbench (1) work for inspection platform guide rail ring static pressure oil film (3), guarantee that its contact area reaches more than 85%, after check locating ring (10) and workbench (1) faying face and table slide ring static pressure oil film (3) are located the depth of parallelism and be not more than 0.005mm, with technology usefulness bolt (2) that guide rail ring (4) and workbench (1) is fastening;
C, main shaft is placed on the high-precision cylindrical grinder, presses the workbench hydrostatic bearing pad, preparation main shaft static pressure oil film;
On high-precision cylindrical grinder, main shaft (7) is pressed workbench hydrostatic bearing pad (8) preparation main shaft static pressure oil film (9);
D, table base (6) is hung in adjusting on the parallels, with main shaft construction bolt (11) main shaft (7) is fastened on the table base (6) after the adjustment level, at main shaft (7) installation locating ring (10);
E, after being evenly coated in high accuracy guide rail location glue (5) on the ring-like glue groove of table base (6), table base (6) is connected the screw place with the guide rail ring seals with sealing is stifled, the amount of preparation of high accuracy guide rail location glue (5) is by 1.5 times of preparations of actual amount, glue-spread is not as the criterion not overflow ring-like glue groove by gravity, workbench (1) is lifted on the table base (6), at this moment, workbench (1) is with main shaft (7) and locating ring (10) location, the unnecessary glued membrane of guide rail ring (4) with table base (6) connecting portion extruded, reach the requirement of guide rail ring (4) and the connecting portion error of table base (6) all being offset with the thickness of high accuracy guide rail location glue (5);
F, location glue are sling workbench (1) after curing reached working strength in 24 hours under 18 °～20 ° room temperatures, and technology is pulled down with bolt (2), and the injecting glue position fixing process is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910073184 CN101708575B (en) | 2009-11-05 | 2009-11-05 | High-precision workbench processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910073184 CN101708575B (en) | 2009-11-05 | 2009-11-05 | High-precision workbench processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101708575A CN101708575A (en) | 2010-05-19 |
| CN101708575B true CN101708575B (en) | 2013-07-10 |
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| CN 200910073184 Active CN101708575B (en) | 2009-11-05 | 2009-11-05 | High-precision workbench processing method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043844B (en) * | 2014-05-07 | 2016-05-04 | 德州普利森机床有限公司 | A kind of horizontal lathe lathe bed and main spindle box faying face positioning process |
| CN110549281A (en) * | 2019-10-14 | 2019-12-10 | 邱坚峰 | Fluid curing positioning method for assembling precision parts |
| CN113309447A (en) * | 2021-06-16 | 2021-08-27 | 苏州三沣玻璃工业有限公司 | Hollow glass and processing technology thereof |
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2009
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| CN101708575A (en) | 2010-05-19 |
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