CN1033021A - Thermometry in the non-conductive material lathe-tool cutting - Google Patents
Thermometry in the non-conductive material lathe-tool cutting Download PDFInfo
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- CN1033021A CN1033021A CN 87106529 CN87106529A CN1033021A CN 1033021 A CN1033021 A CN 1033021A CN 87106529 CN87106529 CN 87106529 CN 87106529 A CN87106529 A CN 87106529A CN 1033021 A CN1033021 A CN 1033021A
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- cutting
- conductive material
- tool
- diamond
- thermometry
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
A kind of temperature methods of its non-conductive material lathe-tool of accurate measurement in working angles simple, that easily go, at its diamond, cutters such as boron nitride, silicon nitride plate the metal film of one deck conduction, just can measure the cutting temperature of any tiny area in the Tool in Cutting district.
Description
The invention belongs to field of machining.
Cutting temperature measurement in the metal cutting is to research metal cutting mechanism, cutter life, and problems such as machine tool accuracy are very important, also are the problems (1) (2) that many for a long time people study always.Metal cutting thermometry commonly used is more, concludes and gets up to mainly contain three kinds, instant heating-emf method, radiant energy method, and heat-chemistry reaction method.Yet in the ultra precision cutting of using the natural diamond lathe tool, above-mentioned several method all can not directly use, and its main cause is that diamond belongs to insulator, and is non-conductive, can not use natural thermocouple method to measure its cutting temperature.Because cutting-in is minimum in the diamond cutting, the heat of generation is few and concentrate in the tiny area of cutting edge roundness, makes radiant energy method and heat-chemistry method measure cutting temperature forfeiture precision, can't use.Thereby the cutting temperature measurement problem does not also solve in the diamond super precision cutting.
The object of the present invention is to provide the measuring method of cutting temperature in a kind of simple and easy, easy row, the diamond cutting accurately, for the research of ultra precision cutting mechanism provides reliable experimental.
Characteristics according to the insulation of natural diamond crystal, we plate at applied chemistry, the method of vacuum plating plates one deck metal film (nickel, gold) as thin as a wafer on the diamond bit surface, promptly do not change the original characteristic of diamond bit, make it to become electric conductor again, measure the cutting temperature of using in the insoluble diamond cutting of additive method quickly and accurately thereby can utilize than ripe natural thermocouple.Around this principle, can also be generalized to the cutting temperature measurement of all non-conducting material cutters, as sintex, cubic boron nitride monocrystal cutter and silicon nitride cutting tool etc.As long as take the plated film measure, after making it to become electric conductor, just can measure its cutting temperature.
Another characteristics of the present invention are to measure the cutting temperature of any tiny area in the Tool in Cutting district, this can make the cutter that need not measure partly become insulator by the way of " knifing " and realize, this be traditional natural thermocouple temp measuring method can't be obtained.
Utilize the present invention, carried out the thermometric experiment of diamond bit ultra precision cutting aluminium alloy.At first the method with chemical plating plates one deck nickel dam (thick 0.005～0.01mm) as thin as a wafer on the diamond bit surface, use the end of diamond bit itself then as thermocouple, workpiece to be machined is as the other end of thermocouple, form the thermocouple of cutter-workpiece, can measure the cutting temperature in the lathe tool rake face upper slitter one bits friction area.
Our experimental result is: as cutting speed n=150r/min, and feed f=0.08mm/r, during cutting depth s=0.03mm, the mean temperature that records the diamond bit cutting region is 250 ℃, this and wes' calculated value conforms to substantially.
Use the present invention, can be research ultra precision cutting mechanism, problems such as diamond bit wear process and wear form provide strong experimental data, make the wearing and tearing of control diamond cutter, improve cutter life and become possibility.
Claims (2)
1, non-conductive material lathe-tool cutting temperature measurement method, the method that the non-conductive material lathe-tool surface is adopted chemical plating or vacuum plating that is characterized as of the present invention plates one deck nickel or golden film on its surface.
2, according to claim 1; It is characterized by diamond tool overlay coating thickness is 0.005～0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87106529 CN1033021A (en) | 1987-11-11 | 1987-11-11 | Thermometry in the non-conductive material lathe-tool cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87106529 CN1033021A (en) | 1987-11-11 | 1987-11-11 | Thermometry in the non-conductive material lathe-tool cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1033021A true CN1033021A (en) | 1989-05-24 |
Family
ID=4815738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87106529 Pending CN1033021A (en) | 1987-11-11 | 1987-11-11 | Thermometry in the non-conductive material lathe-tool cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1033021A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223625A (en) * | 2012-01-31 | 2013-07-31 | 东芝机械株式会社 | Method of measuring temperature in cutting process |
| CN112454494A (en) * | 2020-10-22 | 2021-03-09 | 南京林业大学 | System for measuring instantaneous cutting temperature of wood-plastic composite material |
-
1987
- 1987-11-11 CN CN 87106529 patent/CN1033021A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223625A (en) * | 2012-01-31 | 2013-07-31 | 东芝机械株式会社 | Method of measuring temperature in cutting process |
| CN103223625B (en) * | 2012-01-31 | 2015-11-18 | 东芝机械株式会社 | The measuring method of machining temperature |
| CN112454494A (en) * | 2020-10-22 | 2021-03-09 | 南京林业大学 | System for measuring instantaneous cutting temperature of wood-plastic composite material |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |