CN101367199A - Novel device and method for testing thermal stress at time of processing of camshaft of grinder - Google Patents
Novel device and method for testing thermal stress at time of processing of camshaft of grinder Download PDFInfo
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- CN101367199A CN101367199A CNA2008102003009A CN200810200300A CN101367199A CN 101367199 A CN101367199 A CN 101367199A CN A2008102003009 A CNA2008102003009 A CN A2008102003009A CN 200810200300 A CN200810200300 A CN 200810200300A CN 101367199 A CN101367199 A CN 101367199A
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- camshaft
- infrared imager
- thermal infrared
- emery wheel
- temperature field
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Abstract
The invention discloses a novel device and method for testing the heat stress when a camshaft is processed on a grinding machine. The device comprises the camshaft to be processed which is clamped tightly by a lathe head and a tailstock, a grinding wheel and a grinding wheel support, wherein the grinding wheel support is fixedly connected with a thermal infrared imager through a connecting rod; and the thermal infrared imager is connected with a PC. The method is as follows: when processing, the processed surface of the camshaft accumulates a great deal of heat, and the thermal infrared imager takes pictures of the temperature field of the processed surface of the camshaft in real time, can continuously take pictures of the temperature field of the processed surface of the camshaft at a given time interval and sends the pictures to the PC for treatment and analysis. Therefore, the processing of the camshaft is monitored and controlled in real time to ensure the quality of the surface of the camshaft in the processing; and the thermal phenomenon of grinding is researched and the distribution rule of the temperature field on the surface layer of the grinded camshaft is discussed.
Description
Technical field
The present invention relates to the method for testing of the thermal stress in a kind of electromechanical engineering field, the particularly a kind of novel test method that can in the short period interval, take cam finished surface temperature field continuously.
Background information
Grinding process has high energy input for the unit volume material of removing, these energy almost all are converted into heat and concentrate in the grinding area, cause the temperature of grinding area to raise, the rising of grinding temperature all has great influence to the serviceability of camshaft machined surface quality and emery wheel.And one of camshaft parts that to be internal combustion engine main, the quality of its crudy is having a strong impact on engine power performance, and during numerical control method grinding raised wheel shaft, the excessive temperature of grinding area is the principal element that influences the camshaft machined surface quality.Can't in the short period interval, measure cam finished surface temperature field continuously effectively to camshaft in the method for testing that adds the thermal stress in man-hour on the grinding machine at present, thereby can not effectively control the quality of camshaft finished surface.
Thereby need a kind of novel camshaft of exploitation on grinding machine, to add the method for testing of thermal stress in man-hour, in the process that does not influence camshaft processing, can in the short period interval, photograph cam finished surface temperature field continuously effectively, thereby effectively control the quality of camshaft finished surface, and inquire into the rule of grinding raised wheel shaft skin temperature field distribution.
Summary of the invention
The objective of the invention is in order to overcome present various camshaft adds the method for testing of thermal stress in man-hour on grinding machine limitation, provide a kind of novel camshaft on grinding machine, to add the testing arrangement and the method for thermal stress in man-hour, the temperature field that can in the short period interval, measure the camshaft finished surface continuously, and then can monitor in real time and control camshaft processing, to guarantee the quality on processing convexity wheel shaft surface, study the grinding heat phenomenon simultaneously, inquire into grinding raised wheel shaft skin temperature field distribution rule.
For achieving the above object, the present invention's design is:
Testing arrangement of the present invention comprises PC, headstock motor, the headstock, thermal infrared imager, connecting rod, emery wheel, processed camshaft, tailstock, emery wheel bracket, linear electric motors, parts such as ball-screw, servomotor, it is characterized in that P65 type thermal infrared imager can the short period at interval in the temperature field of shooting camshaft finished surface continuously, and then camshaft processing monitored in real time and control, to guarantee the quality on processing convexity wheel shaft surface.
The headstock and tailstock are fixed processed camshaft.With connecting rod P65 type thermal infrared imager is fixed on the emery wheel bracket, makes thermal infrared imager along with emery wheel is done feed motion together, the camera lens of assurance thermal infrared imager is aimed at the grinding line of emery wheel and camshaft all the time.The setting thermal infrared imager is a BR, takes the temperature field of camshaft finished surface promptly per 5 seconds.Couple together with USB bundle of lines thermal infrared imager and PC again, make the thermal-induced imagery of camshaft be transferred to PC, with the temperature field of carrying out Treatment Analysis camshaft finished surface with professional software etc.So just can monitor in real time and control,, study the grinding heat phenomenon simultaneously, inquire into grinding cam skin temperature field distribution rule to guarantee the quality on processing cam surface to cam processing.
According to the foregoing invention design, the present invention adopts following technical proposals:
A kind of novel camshaft adds the testing arrangement of thermal stress in man-hour on grinding machine, comprise by the headstock and tailstock clamping processed camshaft and emery wheel and the emery wheel bracket of installing.It is characterized in that having a thermal infrared imager to be connected on the described emery wheel bracket by a connecting rod, described thermal infrared imager is connected with a PC by the USB line.Described thermal infrared imager can be done feed motion together along with emery wheel, and the camera lens of assurance thermal infrared imager is aimed at the grinding line of emery wheel and camshaft all the time.
Above-mentioned thermal infrared imager is a P65 type thermal infrared imager, can automatically accurately photograph the temperature field of camshaft finished surface in given blanking time continuously, and processing is monitored in real time to camshaft.
Above-mentioned thermal infrared imager is connected with PC by the USB line, makes the thermal-induced imagery of camshaft be transferred to the P machine.
A kind of novel camshaft adds the method for testing of thermal stress in man-hour on grinding machine, the testing arrangement that adopts novel camshaft to add the thermal stress in man-hour on grinding machine is tested, and it is characterized in that at first clamping processed camshaft by the headstock and tailstock; Then, by connecting rod thermal infrared imager is connected on the emery wheel bracket, the camera lens of assurance thermal infrared imager is aimed at the grinding line of emery wheel and camshaft all the time, and by the USB line thermal infrared imager is connected PC; During test, thermal infrared imager automatically photographs the temperature field of camshaft finished surface continuously in given blanking time, and the temperature field information that photographs is real-time transmitted to PC; Then, by the temperature field of PC Treatment Analysis camshaft finished surface.
The present invention has following substantial characteristics and technological progress compared with prior art:
(1) do not influence the processing of camshaft on numerically control grinder
(2) thermal infrared imager can automatically accurately be taken the temperature field of camshaft finished surface continuously in shorter blanking time
(3) can monitor in real time camshaft processing, to guarantee the quality on processing convexity wheel shaft surface
(4) thermal-induced imagery of camshaft can be used to study the grinding heat phenomenon, inquires into grinding cam skin temperature field distribution rule.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the present of invention.
Fig. 2 is the partial structurtes schematic diagram of convexity wheel shaft of the present invention, emery wheel transmission mechanism and thermal infrared imager.
The specific embodiment
A preferred embodiment of the present invention is: referring to Fig. 1 and Fig. 2, camshaft of the present invention adds the testing arrangement of thermal stress in man-hour on grinding machine, comprise PC 1, headstock motor 2, the headstock 3, thermal infrared imager 4, connecting rod 5, emery wheel 6, processed camshaft 7, tailstock 8, emery wheel bracket 9, linear electric motors 12, parts such as ball-screw 14, servomotor 15.The headstock 3 and tailstock 8 clamp processed camshaft 7, and camshaft 7 is rotated under the effect of headstock motor 2.Emery wheel 6 is connected on the emery wheel bracket 9, does the straight-line feed motion under the effect of linear electric motors 12, ball-screw 14 and servomotor 15.Connecting rod 5 is connected thermal infrared imager 4 and emery wheel bracket 9, makes thermal infrared imager 4 along with emery wheel 6 is done feed motion together, and the camera lens of assurance thermal infrared imager 4 is aimed at the grinding line of emery wheel 6 and camshaft 7 all the time.Couple together with USB bundle of lines thermal infrared imager 4 and PC 1 then, make the thermal-induced imagery of camshaft be transferred to PC 1, carry out the temperature field of Treatment Analysis camshaft finished surface etc. by PC 1.This novel camshaft adds the thermal stress in man-hour on grinding machine method of testing is: adopt above-mentioned testing arrangement to test, at first clamp processed camshaft 7 by the headstock 3 and tailstock 8; Then, by connecting rod 5 thermal infrared imager 4 is connected on the emery wheel bracket 9, the camera lens of assurance thermal infrared imager 4 is aimed at the grinding line of emery wheel and camshaft 7 all the time, and by the USB line thermal infrared imager 4 is connected PCs 1; During test, thermal infrared imager 4 automatically photographs the temperature field of camshaft 7 finished surfaces continuously in given blanking time, and the temperature field information that photographs is real-time transmitted to PC 1; Then, by the temperature field of PC 1 Treatment Analysis camshaft 7 finished surfaces.
Claims (4)
1. a novel camshaft adds the testing arrangement of thermal stress in man-hour on grinding machine, comprises by the headstock (3) and tailstock (8) clamping processed camshaft (7) and emery wheel (6) and the emery wheel bracket of installing (9).It is characterized in that having a thermal infrared imager (4) to be connected on the described emery wheel bracket (9) by a connecting rod (5), described thermal infrared imager (4) is connected with a PC (1) by the USB line.Described thermal infrared imager (4) can be done feed motion together along with emery wheel (6), and the camera lens of assurance thermal infrared imager (4) is aimed at the grinding line of emery wheel (6) and camshaft (7) all the time.
2. novel camshaft according to claim 1 adds the testing arrangement of thermal stress in man-hour on grinding machine, it is characterized in that described thermal infrared imager (4) is a P65 type thermal infrared imager, can automatically accurately photograph the temperature field of camshaft (7) finished surface in given blanking time continuously, processing is monitored in real time to camshaft (7).
3. novel camshaft according to claim 1 adds the testing arrangement of thermal stress in man-hour on grinding machine, it is characterized in that described thermal infrared imager (4) is connected with PC (1) by the USB line, makes the thermal-induced imagery of camshaft (7) be transferred to PC (1).
4. a novel camshaft adds the method for testing of thermal stress in man-hour on grinding machine, the testing arrangement that adopts novel camshaft according to claim 1 to add the thermal stress in man-hour on grinding machine is tested, and it is characterized in that at first clamping processed camshaft (7) by the headstock (3) and tailstock (8); Then, by connecting rod (5) thermal infrared imager (4) is connected on the emery wheel bracket (9), the camera lens of assurance thermal infrared imager (4) is aimed at the grinding line of emery wheel and camshaft (7) all the time, and by the USB line thermal infrared imager is connected PC (1); During test, thermal infrared imager (4) automatically photographs the temperature field of camshaft (7) finished surface continuously in given blanking time, and the temperature field information that photographs is real-time transmitted to PC (1); Then, by the temperature field of PC (1) Treatment Analysis camshaft (7) finished surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102003009A CN101367199A (en) | 2008-09-24 | 2008-09-24 | Novel device and method for testing thermal stress at time of processing of camshaft of grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102003009A CN101367199A (en) | 2008-09-24 | 2008-09-24 | Novel device and method for testing thermal stress at time of processing of camshaft of grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101367199A true CN101367199A (en) | 2009-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102003009A Pending CN101367199A (en) | 2008-09-24 | 2008-09-24 | Novel device and method for testing thermal stress at time of processing of camshaft of grinder |
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| CN (1) | CN101367199A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092585A (en) * | 2016-08-30 | 2016-11-09 | 河北工业大学 | A kind of device of the sliding bearing studying different operating mode |
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2008
- 2008-09-24 CN CNA2008102003009A patent/CN101367199A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092585A (en) * | 2016-08-30 | 2016-11-09 | 河北工业大学 | A kind of device of the sliding bearing studying different operating mode |
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Open date: 20090218 |