CN101125408A - Clamping method for processing thin and long shafts part axial narrow tank - Google Patents
Clamping method for processing thin and long shafts part axial narrow tank Download PDFInfo
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- CN101125408A CN101125408A CNA2007101896312A CN200710189631A CN101125408A CN 101125408 A CN101125408 A CN 101125408A CN A2007101896312 A CNA2007101896312 A CN A2007101896312A CN 200710189631 A CN200710189631 A CN 200710189631A CN 101125408 A CN101125408 A CN 101125408A
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- permanent magnet
- clamping
- mandrel
- clamping method
- central spindle
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Abstract
A clamping method applied in the process of axial narrow trough of prolate-axis-typed parts relates to arranging a proper permanent magnet (5) on the support board of ED wire cutting machine, and the permanent magnet is clamped by clip plates (6, 7); the length L of the permanent magnet is longer than that of a central spindle (4), the width B is twice more than the diameter of the central spindle (4), and the thickness C is both convenient for being clamped and being excavated with a V-type trough; and then a V-type position trough whose included angle is 90 degrees is excavated in the permanent magnet, and the processed central spindle is adsorbed and positioned in the V-type trough in the permanent magnet; with the magnetic force of the permanent magnet, the central spindle is firmly adsorbed, thus, the position and clamping of processed central spindle are completed. The clamping method is convenient with high clamping effect and position precision, and is particularly applicable in the wire cutting process of axial narrow trough of prolate-axis-typed parts.
Description
Technical field
The invention belongs to the thin and long shafts processing technique field, especially a kind of clamping method of processing thin and long shafts part axial narrow tank.
Background technology
In precise miniature bearing was produced, often a kind of measurer that uses was the high accuracy mandrel that axially has the narrow groove of " U " type, as shown in Figure 1, 2.
The groove width size of the narrow groove of " U " type has only 0.4mm～0.6mm, and flute length is generally more than 50mm, and so narrow groove is normally processed on electric spark linear cutting machine.
The machining accuracy of narrow groove depends on the clamping precision of mandrel on lathe, so the clamping method of mandrel on lathe is the key of the narrow groove of processing.
Common clamping method is: mandrel is behind centering, and both ends of the surface compress by lathe supporting table 1 and pressing plate 2, as shown in Figure 3.
Such clamping method is not only wasted time and energy, and because mandrel is not only thin but also long, is difficult to centering and compresses yielding, the result makes the narrow groove that processes, the axial line of its all around and mandrel produces bigger inclination, shown in Fig. 4,5, thereby causes the yield rate of processing extremely low.
Summary of the invention
In order to overcome the weak point that above-mentioned clamping method brings, the invention provides a kind of clamping method of processing thin and long shafts part axial narrow tank, utilize this clamping method extremely convenient, clamping efficient is very high, the positioning accuracy height is particularly suitable for the line cutting processing of the axial narrow tank of thin and long shafts part.
In order to realize the foregoing invention purpose, the present invention has adopted following technical scheme:
The clamping method of described a kind of processing thin and long shafts part axial narrow tank is the permanent magnet that a suitable dimension is set on the electric spark linear cutting machine supporting table, and clamp with clamping plate, the length L of permanent magnet is greater than the length of mandrel, width B is greater than 2 times of axle diameter, thickness C satisfies not only is convenient to clamping but also can open " V " type groove, on permanent magnet, cut out angle then and be " V " type locating slot of 90 °, processed mandrel is adsorbed on the interior and location of " V " type groove of permanent magnet, rely on the magnetic force of permanent magnet to suck processed mandrel, finish the location and the clamping of processed mandrel.
Owing to adopted technical scheme as mentioned above, the present invention has following good effect:
1, clamping is extremely convenient.Originally needed centering, compress with pressing plate then, present only need being placed on mandrel to be processed gently on " V " type groove just sucked by magnet immediately;
2, clamping efficient is very high.Originally compressing a mandrel at the lathe centering approximately needs 10～30 minutes, only needs to finish several seconds now;
3, positioning accuracy height is particularly suitable for the line cutting processing of the axial narrow tank of thin and long shafts part.
Description of drawings
Fig. 1 mandrel schematic diagram of slotting;
Fig. 2 mandrel left view of slotting;
Fig. 3 mandrel former clamping schematic diagram of slotting;
Fig. 4 mandrel former processing result schematic diagram of slotting;
Fig. 5 mandrel former processing result schematic diagram of slotting;
Fig. 6 is a clamping method schematic diagram of the present invention;
Fig. 7 is Fig. 6 vertical view;
Among the above-mentioned figure: 1-lathe supporting table; The 2-pressing plate; The 3-location-plate; The 4-mandrel; The 5-permanent magnet; The 6-clamping plate; The 7-clamping plate.
The specific embodiment
As Fig. 6, shown in 7: the clamping method of processing thin and long shafts part axial narrow tank of the present invention is the permanent magnet (5) that a suitable dimension is set on the electric spark linear cutting machine supporting table, and with clamping plate (6,7) clamp, the length L of permanent magnet is greater than the length of mandrel (4), width B is greater than 2 times of mandrel (4) diameter, thickness C satisfies not only is convenient to clamping but also can open " V " type groove, on permanent magnet, cut out angle then and be " V " type locating slot of 90 °, processed mandrel is adsorbed on the interior and location of " V " type groove of permanent magnet, rely on the magnetic force of permanent magnet to suck processed mandrel, finish the location and the clamping of processed mandrel.
As process diameter 1.2mm, and length 50mm, the clamping method of " U " type well width 0.5mm is as follows:
On DK7732 type electric spark linear cutting machine supporting table (1), the permanent magnet (5) of a suitable dimension is set, clamp with clamping plate (6,7).The length L of permanent magnet (5) is greater than the length 50mm of mandrel (4), and width B is greater than 2 times of mandrel (4) diameter 1.2mm, and thickness C satisfies not only is convenient to clamping but also can open " V " type groove;
Surface line at permanent magnet (5) cuts out one " V " type groove then, and the angle of " V " type groove is 90 °, and the degree of depth is greater than half of mandrel (4) diameter 1.2mm;
Mandrel to be processed (4) is inhaled in " V " type groove, finished the clamping of workpiece.
Machining programming carries out Wire-cut Electrical Discharge Machining to narrow groove.
Claims (1)
1. the clamping method of a processing thin and long shafts part axial narrow tank, it is characterized in that: this clamping method is the permanent magnet (5) that a suitable dimension is set on the electric spark linear cutting machine supporting table, and clamp with clamping plate (6,7), the length L of permanent magnet is greater than the length of mandrel (4), width B is greater than 2 times of mandrel (4) diameter, thickness C satisfies not only is convenient to clamping but also can open " V " type groove, and cutting out angle then on permanent magnet is 90." V " type locating slot, be adsorbed in " V " type groove of permanent magnet processed mandrel and the location, rely on the magnetic force of permanent magnet to suck processed mandrel, finish the location and the clamping of processed mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101896312A CN101125408A (en) | 2007-09-26 | 2007-09-26 | Clamping method for processing thin and long shafts part axial narrow tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101896312A CN101125408A (en) | 2007-09-26 | 2007-09-26 | Clamping method for processing thin and long shafts part axial narrow tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101125408A true CN101125408A (en) | 2008-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101896312A Pending CN101125408A (en) | 2007-09-26 | 2007-09-26 | Clamping method for processing thin and long shafts part axial narrow tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101125408A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229098A (en) * | 2010-06-18 | 2011-11-02 | 无锡晶心精密机械有限公司 | Jig device of punch forming device |
| CN102756312A (en) * | 2011-04-25 | 2012-10-31 | 东莞博诺制药装备科技有限公司 | Method for manufacturing high-accuracy rotating shaft by surface grinding machine |
| CN109513844A (en) * | 2018-12-28 | 2019-03-26 | 重庆龙煜精密铜管有限公司 | Air-conditioning copper pipe variable diameter clamping device |
-
2007
- 2007-09-26 CN CNA2007101896312A patent/CN101125408A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229098A (en) * | 2010-06-18 | 2011-11-02 | 无锡晶心精密机械有限公司 | Jig device of punch forming device |
| CN102756312A (en) * | 2011-04-25 | 2012-10-31 | 东莞博诺制药装备科技有限公司 | Method for manufacturing high-accuracy rotating shaft by surface grinding machine |
| CN102756312B (en) * | 2011-04-25 | 2015-05-13 | 北京精博信展览有限公司 | Method for manufacturing high-accuracy rotating shaft by surface grinding machine |
| CN109513844A (en) * | 2018-12-28 | 2019-03-26 | 重庆龙煜精密铜管有限公司 | Air-conditioning copper pipe variable diameter clamping device |
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Open date: 20080220 |