CN102806506A - Method for machining envelope curves by surface grinding machine - Google Patents
Method for machining envelope curves by surface grinding machine Download PDFInfo
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- CN102806506A CN102806506A CN2012102954208A CN201210295420A CN102806506A CN 102806506 A CN102806506 A CN 102806506A CN 2012102954208 A CN2012102954208 A CN 2012102954208A CN 201210295420 A CN201210295420 A CN 201210295420A CN 102806506 A CN102806506 A CN 102806506A
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Abstract
The invention discloses a method for machining envelope curves by a surface grinding machine. The method includes a step 100 of surface grinding. An outer contour of a machined component is machined by a CBN (cubic boron nitride) grinding wheel and an optical wheel dresser, and the relation between the step frequency and an R value of the outer contour meets the relations that when the R value is R0.N, the step frequency is 10N+1, wherein N is 1, 2, 3 and the like. The method in the machining mode has the advantages that the envelope curves are unlimited by machining length, a tip of a flat ejector pin can be machined, the method is applicable to machining R positions of all outer contours, various R positions with different sizes can be machined without repeatedly adjusting a grinding wheel, adjustment time is reduced, and efficiency is improved.
Description
Technical field
The present invention relates generally to the Precision Machining of machining China and foreign countries contour curve.
Background technology
Processing about R: the R that processes outline now; Mainly be to adopt optical contour grinder to process to ensure the quality of products, the flat thimble of plastic mould for example is in order to cooperate with template; All require in tip 20mm scope, to process R0.2; Tolerance+/-0.01, if all adopt the bent mill processing of light, cost is higher.
And standard component is employed in storehouse production now, and batch machining, the effective length of flat thimble tip R0.2 progressively expand to 45 ~ 150mm, and the effective travel of the bent mill of light is 100mm, for the flat thimble of overlength, can not satisfy processing request.(as shown in Figure 1).
Adopt, the promise corundum wheel that pauses, because emery wheel has collision, wearing and tearing are exceedingly fast, and processs about 15 minutes of 5 R0.2 times, and the R of crushing begins to be out of shape, and the R0.2 of processing will be overproof.
Detection about R: processing mainly is to rely on pattern (20 times) projection of lathe to detect on projection grinder, if adopt projecting apparatus to measure, length 200mm just exceeds its measurement category,
More than the method for two kinds of projections, a shortcoming is arranged, can only detect first end face exactly, size that can not FR its R of inspection.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned prior art, the processing method of a kind of surface grinding machine with envelope is provided.
In order to achieve the above object, the invention provides the processing method of a kind of surface grinding machine, may further comprise the steps: step 100 with envelope; Plain grinding adopts CBN emery wheel and perspective dresser, and the outline of processing component is processed; The relation of the R value of step frequency and outline is: when the R value was R0.N, step frequency was 10N+1 time, wherein; N=1,2,3 ...
Said surface grinding machine further comprises with the processing method of envelope: step 200, inspection; The employing contourgraph is measure R value in the front and back end of processing component, if qualified, then stops processing; If defective, then repeating step 100 and step 200.
Said CBN emery wheel model is: CBN140N150D*5T*5X*10E*31.75H.
Said perspective dresser model is: MCL-E180.
Beneficial effect: the CBN emery wheel is adopted in (1); (CBN140N150D*5T*5X*10E*31.75H), simultaneously with perspective dresser (MCL-E180), precisely trimming wheel; Through overtesting; Approximately behind 100 ~ 120 R of processing, the R of crushing just begins distortion to occur, and efficient is greatly improved.(2) adopt contourgraph to measure now, contourgraph can amplify 200 times, comes measure R value in the rear and front end, can not only detect the numerical value of R, and can detect its profile tolerance linearity, is convenient to the adjustment of surface grinding machine.While and appliance special for detecting cooperate detection, have also improved efficient when ensuring the quality of products.(3), just can guarantee tolerance and the fineness of R with uniform step frequency processing.
Description of drawings
Fig. 1 prior art processing sketch map.
Fig. 2 processing technology principle of the present invention.
Fig. 3 processing type I of the present invention sketch map.
Fig. 4 processing type II of the present invention sketch map.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
One, the present invention is the processing method of the envelope of plain grinding use, the bent mill processing of instead of optical.Process principle is seen accompanying drawing 2.
Two, the processing technology with prior art compares:
Prior art: the bent mill of light---inspection.
Present embodiment: surface grinding machine---inspection.
Prior art: the bent grinding machine of light is the lathe of the special various curved surfaces of processing and circular arc and angle, in 100 millimeters of its travel range.Thereby its working properties is on various curved surfaces and circular arc and angle line, to walk track along each coordinate points product is processed.
Present embodiment:
1 plain grinding: surface grinding machine model: black field 450, its travel range is in 400 millimeters.Black field 450 equipment configuration XY axles, ten thousand Hao grating chis and WE6800-2C digital display meter; Calculate the numerical value function of each point on the XY axle when WE6800-2C digital display meter certificate has the processing circular arc, thereby the track that present embodiment utilizes this function on surface grinding machine, to walk each coordinate points line of circular arc processes the product circular arc.
2. inspection: use the contourgraph model: three rich CV-3100.Use the actual size of contourgraph inspection circular arc through the WE6800-2C digital display meter difference to be compensated into then to inspection when processing first, the product clamping is processed to the lathe and then measurement gets final product with the difference in size of drawing requirement.
Three, plain grinding processing main points:
The selection of emery wheel:, adopt the CBN emery wheel, (CBN140N150D*5T*5X*10E*31.75H) for improving durability; Simultaneously with perspective dresser (MCL-E180); Accurate trimming wheel, through overtesting, approximately process 100 ~ 120 R after; The R of crushing just begins distortion to occur, and efficient is greatly improved.
The detection of R: adopt contourgraph to measure, contourgraph can amplify 200 times, comes measure R value in the rear and front end, can not only detect the numerical value of R, and can detect its profile tolerance linearity, is convenient to the adjustment of surface grinding machine.While and appliance special for detecting cooperate detection, have also improved efficient when ensuring the quality of products.
The adjustment of stepping spacing: when crushing is R0.2, then need 21 steppings to accomplish processing, when crushing is R0.3, then need 31 steppings to accomplish processing.
With uniform step frequency processing, just can guarantee tolerance and the fineness of R like this.
Brief summary: adopt this kind processing mode, do not receive the restriction of processing length, not only can process the tip of flat thimble; Also be applicable to the fine finishining of all outline R; Can process the various R of different sizes and trimming wheel repeatedly reduces the adjustment time, raise the efficiency.Processing type is seen accompanying drawing 3, accompanying drawing 4.
Above content is to combine optimal technical scheme to the further explain that the present invention did, and can not assert that the practical implementation of invention only limits to these explanations.Under the present invention, the those of ordinary skill of technical field, under the prerequisite that does not break away from design of the present invention, simple deduction and replacement can also be made, all protection scope of the present invention should be regarded as.
Claims (4)
1. a surface grinding machine may further comprise the steps with the processing method of envelope:
Step 100, plain grinding adopts CBN emery wheel and perspective dresser, and the outline of processing component is processed, and the relation of the R value of step frequency and outline is: when the R value was R0.N, step frequency was 10N+1 time, wherein, N=1,2,3 ...
2. surface grinding machine according to claim 1 is characterized in that with the processing method of envelope said surface grinding machine further comprises with the processing method of envelope:
Step 200, inspection; The employing contourgraph is measure R value in the front and back end of processing component, if qualified, then stops processing; If defective, then repeating step 100 and step 200.
3. surface grinding machine according to claim 1 is characterized in that with the processing method of envelope said CBN emery wheel model is: CBN140N150D*5T*5X*10E*31.75H.
4. surface grinding machine according to claim 1 is characterized in that with the processing method of envelope said perspective dresser model is: MCL-E180.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102954208A CN102806506A (en) | 2012-08-20 | 2012-08-20 | Method for machining envelope curves by surface grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102954208A CN102806506A (en) | 2012-08-20 | 2012-08-20 | Method for machining envelope curves by surface grinding machine |
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| CN102806506A true CN102806506A (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102954208A Pending CN102806506A (en) | 2012-08-20 | 2012-08-20 | Method for machining envelope curves by surface grinding machine |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0073318A2 (en) * | 1981-08-28 | 1983-03-09 | Toyoda Koki Kabushiki Kaisha | Method of grinding a curved corner portion |
| EP2404700A1 (en) * | 2010-07-08 | 2012-01-11 | MONTRESOR & C. S.r.l. | Edge polishing machine |
-
2012
- 2012-08-20 CN CN2012102954208A patent/CN102806506A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0073318A2 (en) * | 1981-08-28 | 1983-03-09 | Toyoda Koki Kabushiki Kaisha | Method of grinding a curved corner portion |
| EP2404700A1 (en) * | 2010-07-08 | 2012-01-11 | MONTRESOR & C. S.r.l. | Edge polishing machine |
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Application publication date: 20121205 |