CN102189376A - Novel cam shaft machining process - Google Patents
Novel cam shaft machining process Download PDFInfo
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- CN102189376A CN102189376A CN2011100681377A CN201110068137A CN102189376A CN 102189376 A CN102189376 A CN 102189376A CN 2011100681377 A CN2011100681377 A CN 2011100681377A CN 201110068137 A CN201110068137 A CN 201110068137A CN 102189376 A CN102189376 A CN 102189376A
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Abstract
The invention relates to the field of machining, in particular to a novel cam shaft machining process, which comprises the following steps of: preparation of a blank, tempering, sampling, drilling a center hole, first turning, second turning, first milling, burring by bench workers, drilling of an oil hole with diameter of 70, quenching of a cam profile, second milling, accurate grinding of a cam, flaw detection and demagnetization, acid etching detection, first clamping, vibrating for burring, second clamping, three-dimensional detection, detection of a cam outline, third clamping, detection of finished products, cleaning, installation of a positioning sleeve, oil coating, and storing. The numerical control turning and milling machining and the CBN (Cubic Boron Nitride) high-speed follow-up grinding machining are adopted for machining the cam profile of the process disclosed by the invention.
Description
Technical field
The present invention relates to a kind of workpiece processing technology, relate in particular to a kind of new type of cam axis processing technique.
Background technology
The pattern technological method for processing is adopted in the processing of the cam type surface of former technology before improving: through profile lathing → profilings such as profiling mill processing; The end face of flange bolt mounting holes is to adopt drill jig drilling processing; End face of flange adopts cross grinding to process and guarantees its perpendicularity with respect to common axis.This technology not only needs special toolings such as pattern, drill jig, and working (machining) efficiency and machining accuracy are low, and being mainly reflected in camshaft total length size, cam type surface profile tolerance and surface roughness thereof, end face of flange bolt mounting holes position degree etc. can not meet the demands.
Summary of the invention
The technical problem to be solved in the present invention is: original Technology Need relies on specific purpose tool, working (machining) efficiency and machining accuracy are low, being mainly reflected in camshaft total length size, cam type surface profile tolerance and surface roughness thereof, end face of flange bolt mounting holes position degree etc. can not meet the demands, and a kind of new type of cam axis processing technique is provided.
In order to overcome the defective that exists in the background technology, the technical solution adopted for the present invention to solve the technical problems is: comprise following technological process: blank → modified → sampling → drill centers → car one → car two → turnning and milling one → pincers worker deburring → brill Φ 70 oilholes → cam type surface quenching → turnning and milling two → correct grinding cam → flaw detection demagnetization → acid etch detection → pincers one → vibrator deburring → pincers two → three-dimensional detection → cam contour detection → pincers three → finished product detection → cleaning → installation positioning sleeve → oiling → warehouse-in.
According to another embodiment of the invention, comprise that further described turnning and milling one is on-line measurement processing technology technology, determine on the camshaft behind the phase angle between each cam and dowel hole that orthogonal turn-milling goes out each cam and brill, hinge processing dowel hole.
According to another embodiment of the invention, comprise that further described turnning and milling two is to use the on-line measurement processing technology to process two ends end face of flange, boss and bolt mounting holes.
According to another embodiment of the invention, comprise that further described vibrator deburring operation is to be used to remove small burr on the camshaft.
According to another embodiment of the invention, comprise that further described acid etch detects the local soft spots that is used to detect cam type surface meeting existence after quenching and grinding.
The invention has the beneficial effects as follows: the cam type surface processing of technology of the present invention is to adopt numerical-control turn-milling processing and the processing of CBN high speed follow grinding; The end face of flange bolt mounting holes is to adopt milling-lathe machining center to process, adopt on-line measurement technology to determine orthogonal turn-milling machining cam behind the transmission phase angle between each cam and the alignment pin, processing bolt installing hole, alignment pin, the relative drill jig method of machining accuracy improves a lot, use compound brill processing, a cutter time processing, the full completion of processing of hole and chamfering; Two ends end face of flange and boss are that the processing technology that adopts turning to add measurement revisal tool wear substitutes former grinding, not only can guarantee the perpendicularity of end face of flange with respect to common axis, and can well guarantee camshaft total length size.The present invention has also increased vibrator deburring, acid etch detects operation.Wherein vibrator deburring operation mainly is to remove burr small on the camshaft and improve its surface fatigue intensity.It is to be used for detecting cam type surface can whether have local soft spots after quenching and grinding that acid etch detects.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Fig. 1 is a structural representation of the present invention.Comprise blank → modified → sampling → drill centers → car one → car two → turnning and milling one → pincers worker deburring → brill Φ 70 oilholes → cam type surface quenching → turnning and milling two → correct grinding cam → flaw detection demagnetization → acid etch detection → pincers one → vibrator deburring → pincers two → three-dimensional detection → cam contour detection → pincers three → finished product detection → cleaning → installation positioning sleeve → oiling → warehouse-in among the figure.At first the cam type surface by blank carries out modified, sampling then, drill centers is through car one and car two, camshaft upper flange end face bolt mounting holes is to adopt turnning and milling processing, process by turnning and milling one machining center, adopt on-line measurement technology to determine that each camshaft of two ends transmits the dowel hole and the bolt mounting holes of phase angle, the relative drill jig method of machining accuracy improves a lot, then by the pincers worker deburring, bore Φ 70 oilholes, cam type surface quenches, turnning and milling two processing two ends end face of flange, the processing technology that adopts turning to add measurement revisal tool wear substitutes former grinding, not only can guarantee the perpendicularity of end face of flange with respect to common axis, and can well guarantee camshaft total length size, finish grind cam → flaw detection demagnetization → acid etch detection → pincers one → vibrator deburring → pincers two → three-dimensional detection → cam contour detection → pincers three → finished product detection → cleaning → installation positioning sleeve → oiling → warehouse-in then successively, wherein vibrator deburring operation mainly is to remove burr small on the camshaft and improve its surface fatigue intensity, and it is to be used for detecting cam type surface can whether have local soft spots after quenching and grinding that acid etch detects.
Described turnning and milling one is on-line measurement processing technology technology, determines on the camshaft behind the phase angle between each cam and dowel hole, and orthogonal turn-milling goes out each cam and brill, hinge processing dowel hole.The relative pattern method of this processing technology machining accuracy turning machining cam, drill jig method processing dowel hole improves a lot.
Described turnning and milling two is to use the on-line measurement processing technology to process two ends end face of flange, boss and bolt mounting holes.This processing technology not only can be guaranteed the perpendicularity of end face of flange with respect to common axis, and can well guarantee the position degree of camshaft total length size and each bolt mounting holes.
Described vibrator deburring operation is to remove small burr on the camshaft.This processing technology has improved the effect and the efficient of deburring, also can improve camshaft surface fatigue intensity simultaneously.
Described acid etch detects and be used to detect the local soft spots that cam type surface can exist after quenching and grinding.
The cam type surface processing of technology of the present invention is to adopt numerical-control turn-milling processing and the processing of CBN high speed follow grinding; The end face of flange bolt mounting holes is to adopt milling-lathe machining center to process, and adopts on-line measurement technology to come the processing bolt installing hole, and the relative drill jig method of machining accuracy improves a lot, and uses compound brill processing, and one the cutter time processing, the full completion of processing of hole and chamfering; The two ends end face of flange is that the processing technology that adopts turning to add measurement revisal tool wear substitutes former grinding, not only can guarantee the perpendicularity of end face of flange with respect to common axis, and can well guarantee camshaft total length size.The present invention has also increased vibrator deburring, acid etch detects operation.Wherein vibrator deburring operation mainly is to remove burr small on the camshaft and improve its surface fatigue intensity.It is to be used for detecting cam type surface can whether have local soft spots after quenching and grinding that acid etch detects.
Claims (5)
1. a new type of cam axis processing technique is characterized in that: comprise following technological process: blank → modified → sampling → drill centers → car one → car two → turnning and milling one → pincers worker deburring → brill Φ 70 oilholes → cam type surface quenching → turnning and milling two → correct grinding cam → flaw detection demagnetization → acid etch detection → pincers one → vibrator deburring → pincers two → three-dimensional detection → cam contour detection → pincers three → finished product detection → cleaning → installation positioning sleeve → oiling → warehouse-in.
2. new type of cam axis processing technique as claimed in claim 1, it is characterized in that: described turnning and milling one is the on-line measurement processing technology, determine on the camshaft behind the phase angle between each cam and dowel hole that orthogonal turn-milling goes out each cam and brill, hinge processing dowel hole.
3. new type of cam axis processing technique as claimed in claim 1 is characterized in that: described turnning and milling two is to use the on-line measurement processing technology to process two ends end face of flange, boss and bolt mounting holes.
4. new type of cam axis processing technique as claimed in claim 1 is characterized in that: described vibrator deburring operation is to be used to remove small burr on the camshaft.
5. new type of cam axis processing technique as claimed in claim 1 is characterized in that: described acid etch detects and be used to detect the local soft spots that cam type surface can exist after quenching and grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110068137 CN102189376B (en) | 2011-03-22 | 2011-03-22 | Novel cam shaft machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110068137 CN102189376B (en) | 2011-03-22 | 2011-03-22 | Novel cam shaft machining process |
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| CN102189376A true CN102189376A (en) | 2011-09-21 |
| CN102189376B CN102189376B (en) | 2013-03-06 |
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| CN 201110068137 Active CN102189376B (en) | 2011-03-22 | 2011-03-22 | Novel cam shaft machining process |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825431A (en) * | 2012-09-07 | 2012-12-19 | 贵州凯星液力传动机械有限公司 | Machining method of high-abrasion resistance valve core |
| CN102941450A (en) * | 2012-11-29 | 2013-02-27 | 重庆跃进机械厂有限公司 | Method for processing shaft parts with phase angles |
| CN103921060A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Finish machining method of camshaft |
| CN104002104A (en) * | 2014-05-29 | 2014-08-27 | 贵州遵义驰宇精密机电制造有限公司 | Processing method for high-temperature high-pressure pipeline connecting ring applied to aircrafts |
| CN104084774A (en) * | 2014-07-01 | 2014-10-08 | 中国兵器工业集团第七0研究所 | Simple machining method for machining crankshaft with common device |
| CN104227508A (en) * | 2013-06-20 | 2014-12-24 | 南京紫薇精密机械有限公司 | Machining method for improving ultra-accurate split spindle accuracy |
| CN105458717A (en) * | 2015-12-15 | 2016-04-06 | 苏州爱盟机械有限公司 | Machining technology for cam shaft of automobile engine |
| CN105499910A (en) * | 2014-09-22 | 2016-04-20 | 石台县熠翔机械制造有限公司 | Screw machining process for industrial oil pumps |
| CN107175478A (en) * | 2017-05-30 | 2017-09-19 | 胡建锋 | A kind of motorcycle left part crankshaft part mechanical processing technique |
| CN108788639A (en) * | 2018-06-13 | 2018-11-13 | 新乡市恒润机电有限公司 | A kind of processing technology of camshaft stand centre bore |
| CN112496688A (en) * | 2020-12-09 | 2021-03-16 | 中车戚墅堰机车有限公司 | Camshaft machining method without positioning hole reference |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825431A (en) * | 2012-09-07 | 2012-12-19 | 贵州凯星液力传动机械有限公司 | Machining method of high-abrasion resistance valve core |
| CN102941450A (en) * | 2012-11-29 | 2013-02-27 | 重庆跃进机械厂有限公司 | Method for processing shaft parts with phase angles |
| CN102941450B (en) * | 2012-11-29 | 2015-07-15 | 重庆跃进机械厂有限公司 | Method for processing shaft parts with phase angles |
| CN104227508A (en) * | 2013-06-20 | 2014-12-24 | 南京紫薇精密机械有限公司 | Machining method for improving ultra-accurate split spindle accuracy |
| CN103921060A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Finish machining method of camshaft |
| CN104002104A (en) * | 2014-05-29 | 2014-08-27 | 贵州遵义驰宇精密机电制造有限公司 | Processing method for high-temperature high-pressure pipeline connecting ring applied to aircrafts |
| CN104002104B (en) * | 2014-05-29 | 2016-08-31 | 贵州遵义驰宇精密机电制造有限公司 | A kind of airborne vehicle High Temperature High Pressure pipeline connects the processing method of ring |
| CN104084774A (en) * | 2014-07-01 | 2014-10-08 | 中国兵器工业集团第七0研究所 | Simple machining method for machining crankshaft with common device |
| CN105499910A (en) * | 2014-09-22 | 2016-04-20 | 石台县熠翔机械制造有限公司 | Screw machining process for industrial oil pumps |
| CN105499910B (en) * | 2014-09-22 | 2019-03-26 | 石台县熠翔机械制造有限公司 | A kind of screw rod processing technology for industrial oil pump |
| CN105458717A (en) * | 2015-12-15 | 2016-04-06 | 苏州爱盟机械有限公司 | Machining technology for cam shaft of automobile engine |
| CN107175478A (en) * | 2017-05-30 | 2017-09-19 | 胡建锋 | A kind of motorcycle left part crankshaft part mechanical processing technique |
| CN108788639A (en) * | 2018-06-13 | 2018-11-13 | 新乡市恒润机电有限公司 | A kind of processing technology of camshaft stand centre bore |
| CN112496688A (en) * | 2020-12-09 | 2021-03-16 | 中车戚墅堰机车有限公司 | Camshaft machining method without positioning hole reference |
| CN112496688B (en) * | 2020-12-09 | 2023-09-29 | 中车戚墅堰机车有限公司 | Camshaft processing method without positioning hole reference |
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| CN102189376B (en) | 2013-03-06 |
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Address after: Yanling road 213011 Jiangsu city of Changzhou province No. 358 Patentee after: Qishuyan Zhongche Locomotive Co. Ltd. Address before: Yanling road 213000 Jiangsu city of Changzhou province No. 358 Patentee before: CHINA NANCHE GROUP QISHUYAN LOCOMOTIVE VEHICLE Co., Ltd. |