CN110926627A - Main shaft temperature rise early warning method - Google Patents
Main shaft temperature rise early warning method Download PDFInfo
- Publication number
- CN110926627A CN110926627A CN201911271118.7A CN201911271118A CN110926627A CN 110926627 A CN110926627 A CN 110926627A CN 201911271118 A CN201911271118 A CN 201911271118A CN 110926627 A CN110926627 A CN 110926627A
- Authority
- CN
- China
- Prior art keywords
- temperature
- temperature rise
- early warning
- spindle
- measurement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
The invention discloses a spindle temperature rise early warning method, which belongs to the technical field of machine tool machining and is characterized by comprising the following steps of: a. installing temperature sensors on 10 temperature measuring points of the main shaft; b. starting a digital multi-purpose meter and a computer, and starting measurement software; c. setting a sampling gap, an upper temperature limit and a temperature rise speed, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and automatically carrying out temperature measurement on 10 channels in a circulating mode by using the set sampling gap; d. and (5) early warning and judgment. When the temperature or the temperature rise speed exceeds the set limit value, the digital multimeter can send out an alarm sound in time to perform good early warning on the temperature rise of the main shaft, so that the safety of the bearing in the operation process of the main shaft can be effectively protected, and the bearing is prevented from being burnt due to overhigh temperature in the operation process of the main shaft.
Description
Technical Field
The invention relates to the technical field of machine tool machining, in particular to a spindle temperature rise early warning method.
Background
The main shaft of the machine tool refers to a shaft on the machine tool for driving a workpiece or a cutter to rotate. The spindle unit is usually composed of a spindle, bearings and a transmission. The machine is mainly used for supporting transmission parts such as gears and belt wheels and transmitting motion and torque, such as a machine tool spindle; some are used to clamp a workpiece, such as a mandrel.
Most of the machines have a spindle unit except for planing machines and broaching machines, which are linear machines. The main shaft component performance measuring indexes are mainly rotation precision, structural rigidity and speed adaptability. Wherein, the rotation precision: the radial and axial runout of the spindle in the direction affecting the machining accuracy during rotation is mainly determined by the quality of the manufacture and assembly of the spindle and the bearings. Structural rigidity: mainly determined by the bending stiffness of the main shaft, the stiffness of the bearings and the damping. Speed adaptability: the maximum allowable speed and speed range are determined mainly by the structure and lubrication of the bearings and the heat dissipation conditions.
The existing spindle temperature measuring scheme is mainly manual timing measurement, and a part of devices for automatically measuring the spindle temperature cannot provide a temperature rise curve according to GB/T9061-2006 appendix A of technical Condition Universal for Metal cutting machines, which is a method for determining the stable temperature and the temperature rise value of a spindle bearing, and also has no functions of protecting the safety of the bearing in the spindle running process and preventing the bearing from being burnt due to overhigh temperature in the spindle running process.
Chinese patent publication No. CN104062029A, published as 2014, 09/24, discloses an electric spindle temperature measuring device based on surface acoustic waves, which is characterized by comprising: the annular guide groove is arranged in the shell of the electric spindle and is provided with a conductive material layer; the surface acoustic wave temperature sensor is fixed on a rotating shaft of the electric spindle, and a signal output end of the surface acoustic wave temperature sensor is in sliding fit with the annular guide groove and is in contact with the conductive material layer; one end of the antenna extends into the annular guide groove to be in contact with the conductive material layer, and the other end of the antenna penetrates out of the shell of the electric spindle; the inquiry terminal antenna is arranged on the outer side of the shell and is matched with the antenna for signal transmission, and the inquiry terminal antenna is connected with an inquiry terminal reader through a cable; and the controller is connected with the inquiry end reader and used for controlling the inquiry end reader.
According to the electric spindle temperature measuring device based on the surface acoustic wave, the antenna, the annular guide groove and the sliding contact which is in sliding fit with the conductive material layer are arranged, so that a temperature signal measured by the sensor sensitive element is transmitted out of the shell, the problem that an electromagnetic signal is difficult to propagate through the sealed metal shell is solved, and wireless and passive long-term monitoring of the temperature of the electric spindle rotating shaft can be realized. However, the safety of the bearing during the operation of the main shaft still cannot be effectively protected, and the bearing is prevented from being burnt due to overhigh temperature during the operation of the main shaft.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a main shaft temperature rise early warning method, when the temperature or the temperature rise speed exceeds a set limit value, the digital multimeter can send out alarm sound in time to perform good early warning on the main shaft temperature rise, so that the safety of a bearing in the main shaft operation process can be effectively protected, and the bearing is prevented from being burnt and damaged due to overhigh temperature in the main shaft operation process.
The invention is realized by the following technical scheme:
a spindle temperature rise early warning method is characterized by comprising the following steps:
a. the temperature sensors led out from a multi-channel scanning switch of the multi-channel spindle temperature rise curve automatic measurement and recording device are arranged on 10 temperature measuring points of the spindle;
b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software;
c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap;
d. and early warning judgment, when the temperature or the temperature rise speed exceeds a set limit value, displaying data corresponding to the overrun channel as red background color alarm, and when the temperature continuously rises to a temperature value set by measurement software, sending an alarm sound and outputting an alarm electric signal by the digital multimeter.
In the step c, the computer automatically establishing a record file for storing the measurement data means that the computer automatically establishes a measurement data text file by taking the current year, month, day and time as a file name for looking up and analyzing the previous measurement record.
In the step d, the early warning judgment specifically means that when the measured spindle temperature is greater than the early warning temperature, the temperature and the sound are displayed by yellow background color for early warning; when the measured temperature rise value of the main shaft in unit time is larger than the preset temperature rise value of the main shaft in unit time, displaying temperature rise speed early warning by adopting red background color; when the measured spindle temperature is higher than the preset protection temperature for automatically cutting off the spindle power supply, an alarm electric signal is output to control the cutting off of the spindle power supply.
The multichannel main shaft temperature rise curve automatic measurement recording device comprises a temperature sensor, a digital multimeter and a computer, wherein a multi-path scanning switch is arranged in the digital multimeter, measurement software is installed in the computer, the temperature sensor is electrically connected with the multi-path scanning switch of the digital multimeter, and the digital multimeter is connected with the computer through an RJ45 Ethernet cable.
And the temperature sensor is used for switching the detected temperature signals to the digital multimeter respectively according to the sequence through the multi-channel scanning switch to measure.
And the digital multimeter is used for automatically converting the measured resistance value into a temperature value to be displayed and output.
And the computer is used for reading the measurement result and displaying the overtemperature alarm, the overspeed alarm, the measurement data record and the historical record.
The temperature sensor is a platinum thermal resistance temperature sensor.
The beneficial effects of the invention are mainly shown in the following aspects:
1. the invention' a, install the temperature pick-up that will be drawn out from the multi-channel scanning switch of the automatic measurement recorder of temperature rise curve of the main axis of the multi-channel on 10 temperature measurement points of the main axis; b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software; c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap; d. the early warning is distinguished, when the temperature or the temperature rise speed exceeds the set limit value, the data corresponding to the overrun channel is displayed as red background color warning, when the temperature continuously rises to the temperature value set by the measurement software, the digital multimeter can give out warning sound and output warning electric signals.
2. According to the invention, the measurement data can be consulted and analyzed by clicking the history button in the software menu bar; after a file is selected, clicking and opening a software pop-up dialog box, inputting a channel number of a temperature to be checked, and displaying the highest temperature rise value of the channel in a corresponding text box so as to quickly determine the temperature abnormal part of the spindle; and one of the channel curves can be independently extracted for checking, so that the safety of the bearing in the operation process of the main shaft is effectively protected.
3. According to the invention, a platinum thermal resistor temperature sensor is adopted to carry out four-wire system work, and when the temperature of the platinum thermal resistor changes, a temperature value can be obtained from the variation of the resistance value; the resistance value change is changed into an electric signal by the current, and the constant current source is adopted for supplying power, so that the voltage measuring end does not participate in the power supply in the four-wire system, the measuring result of the platinum thermal resistor temperature sensor cannot be influenced by the change of the wiring resistor, and the measuring precision can be guaranteed.
Drawings
The invention will be further described in detail with reference to the drawings and the detailed description, wherein:
FIG. 1 is a block diagram of the automatic temperature rise curve measuring and recording device for a multi-channel spindle according to the present invention;
fig. 2 is a block diagram of the early warning process of the present invention.
Detailed Description
Example 1
Referring to fig. 1 and 2, a spindle temperature rise early warning method includes the following steps:
a. the temperature sensors led out from a multi-channel scanning switch of the multi-channel spindle temperature rise curve automatic measurement and recording device are arranged on 10 temperature measuring points of the spindle;
b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software;
c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap;
d. and early warning judgment, when the temperature or the temperature rise speed exceeds a set limit value, displaying data corresponding to the overrun channel as red background color alarm, and when the temperature continuously rises to a temperature value set by measurement software, sending an alarm sound and outputting an alarm electric signal by the digital multimeter.
A, mounting temperature sensors led out from a multi-channel scanning switch of a multi-channel spindle temperature rise curve automatic measurement and recording device on 10 temperature measuring points of a spindle; b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software; c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap; d. the early warning is distinguished, when the temperature or the temperature rise speed exceeds the set limit value, the data corresponding to the overrun channel is displayed as red background color warning, when the temperature continuously rises to the temperature value set by the measurement software, the digital multimeter can give out warning sound and output warning electric signals.
Example 2
Referring to fig. 1 and 2, a spindle temperature rise early warning method includes the following steps:
a. the temperature sensors led out from a multi-channel scanning switch of the multi-channel spindle temperature rise curve automatic measurement and recording device are arranged on 10 temperature measuring points of the spindle;
b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software;
c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap;
d. and early warning judgment, when the temperature or the temperature rise speed exceeds a set limit value, displaying data corresponding to the overrun channel as red background color alarm, and when the temperature continuously rises to a temperature value set by measurement software, sending an alarm sound and outputting an alarm electric signal by the digital multimeter.
In the step c, the computer automatically establishing a record file for storing the measurement data means that the computer automatically establishes a measurement data text file by taking the current year, month, day and time as a file name for looking up and analyzing the previous measurement record.
Example 3
Referring to fig. 1 and 2, a spindle temperature rise early warning method includes the following steps:
a. the temperature sensors led out from a multi-channel scanning switch of the multi-channel spindle temperature rise curve automatic measurement and recording device are arranged on 10 temperature measuring points of the spindle;
b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software;
c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap;
d. and early warning judgment, when the temperature or the temperature rise speed exceeds a set limit value, displaying data corresponding to the overrun channel as red background color alarm, and when the temperature continuously rises to a temperature value set by measurement software, sending an alarm sound and outputting an alarm electric signal by the digital multimeter.
In the step c, the computer automatically establishing a record file for storing the measurement data means that the computer automatically establishes a measurement data text file by taking the current year, month, day and time as a file name for looking up and analyzing the previous measurement record.
In the step d, the early warning judgment specifically means that when the measured spindle temperature is greater than the early warning temperature, the temperature and the sound are displayed by yellow background color for early warning; when the measured temperature rise value of the main shaft in unit time is larger than the preset temperature rise value of the main shaft in unit time, displaying temperature rise speed early warning by adopting red background color; when the measured spindle temperature is higher than the preset protection temperature for automatically cutting off the spindle power supply, an alarm electric signal is output to control the cutting off of the spindle power supply.
The measurement data can be consulted and analyzed by clicking a history button in a software menu bar; after a file is selected, clicking and opening a software pop-up dialog box, inputting a channel number of a temperature to be checked, and displaying the highest temperature rise value of the channel in a corresponding text box so as to quickly determine the temperature abnormal part of the spindle; and one of the channel curves can be independently extracted for checking, so that the safety of the bearing in the operation process of the main shaft is effectively protected.
Example 4
Referring to fig. 1 and 2, a spindle temperature rise early warning method includes the following steps:
a. the temperature sensors led out from a multi-channel scanning switch of the multi-channel spindle temperature rise curve automatic measurement and recording device are arranged on 10 temperature measuring points of the spindle;
b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software;
c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap;
d. and early warning judgment, when the temperature or the temperature rise speed exceeds a set limit value, displaying data corresponding to the overrun channel as red background color alarm, and when the temperature continuously rises to a temperature value set by measurement software, sending an alarm sound and outputting an alarm electric signal by the digital multimeter.
In the step c, the computer automatically establishing a record file for storing the measurement data means that the computer automatically establishes a measurement data text file by taking the current year, month, day and time as a file name for looking up and analyzing the previous measurement record.
In the step d, the early warning judgment specifically means that when the measured spindle temperature is greater than the early warning temperature, the temperature and the sound are displayed by yellow background color for early warning; when the measured temperature rise value of the main shaft in unit time is larger than the preset temperature rise value of the main shaft in unit time, displaying temperature rise speed early warning by adopting red background color; when the measured spindle temperature is higher than the preset protection temperature for automatically cutting off the spindle power supply, an alarm electric signal is output to control the cutting off of the spindle power supply.
The multichannel main shaft temperature rise curve automatic measurement recording device comprises a temperature sensor, a digital multimeter and a computer, wherein a multi-path scanning switch is arranged in the digital multimeter, measurement software is installed in the computer, the temperature sensor is electrically connected with the multi-path scanning switch of the digital multimeter, and the digital multimeter is connected with the computer through an RJ45 Ethernet cable.
Example 5
Referring to fig. 1 and 2, a spindle temperature rise early warning method includes the following steps:
a. the temperature sensors led out from a multi-channel scanning switch of the multi-channel spindle temperature rise curve automatic measurement and recording device are arranged on 10 temperature measuring points of the spindle;
b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software;
c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap;
d. and early warning judgment, when the temperature or the temperature rise speed exceeds a set limit value, displaying data corresponding to the overrun channel as red background color alarm, and when the temperature continuously rises to a temperature value set by measurement software, sending an alarm sound and outputting an alarm electric signal by the digital multimeter.
In the step c, the computer automatically establishing a record file for storing the measurement data means that the computer automatically establishes a measurement data text file by taking the current year, month, day and time as a file name for looking up and analyzing the previous measurement record.
In the step d, the early warning judgment specifically means that when the measured spindle temperature is greater than the early warning temperature, the temperature and the sound are displayed by yellow background color for early warning; when the measured temperature rise value of the main shaft in unit time is larger than the preset temperature rise value of the main shaft in unit time, displaying temperature rise speed early warning by adopting red background color; when the measured spindle temperature is higher than the preset protection temperature for automatically cutting off the spindle power supply, an alarm electric signal is output to control the cutting off of the spindle power supply.
The multichannel main shaft temperature rise curve automatic measurement recording device comprises a temperature sensor, a digital multimeter and a computer, wherein a multi-path scanning switch is arranged in the digital multimeter, measurement software is installed in the computer, the temperature sensor is electrically connected with the multi-path scanning switch of the digital multimeter, and the digital multimeter is connected with the computer through an RJ45 Ethernet cable.
And the temperature sensor is used for switching the detected temperature signals to the digital multimeter respectively according to the sequence through the multi-channel scanning switch to measure.
And the digital multimeter is used for automatically converting the measured resistance value into a temperature value to be displayed and output.
Example 6
Referring to fig. 1 and 2, a spindle temperature rise early warning method includes the following steps:
a. the temperature sensors led out from a multi-channel scanning switch of the multi-channel spindle temperature rise curve automatic measurement and recording device are arranged on 10 temperature measuring points of the spindle;
b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software;
c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap;
d. and early warning judgment, when the temperature or the temperature rise speed exceeds a set limit value, displaying data corresponding to the overrun channel as red background color alarm, and when the temperature continuously rises to a temperature value set by measurement software, sending an alarm sound and outputting an alarm electric signal by the digital multimeter.
In the step c, the computer automatically establishing a record file for storing the measurement data means that the computer automatically establishes a measurement data text file by taking the current year, month, day and time as a file name for looking up and analyzing the previous measurement record.
In the step d, the early warning judgment specifically means that when the measured spindle temperature is greater than the early warning temperature, the temperature and the sound are displayed by yellow background color for early warning; when the measured temperature rise value of the main shaft in unit time is larger than the preset temperature rise value of the main shaft in unit time, displaying temperature rise speed early warning by adopting red background color; when the measured spindle temperature is higher than the preset protection temperature for automatically cutting off the spindle power supply, an alarm electric signal is output to control the cutting off of the spindle power supply.
The multichannel main shaft temperature rise curve automatic measurement recording device comprises a temperature sensor, a digital multimeter and a computer, wherein a multi-path scanning switch is arranged in the digital multimeter, measurement software is installed in the computer, the temperature sensor is electrically connected with the multi-path scanning switch of the digital multimeter, and the digital multimeter is connected with the computer through an RJ45 Ethernet cable.
And the temperature sensor is used for switching the detected temperature signals to the digital multimeter respectively according to the sequence through the multi-channel scanning switch to measure.
And the digital multimeter is used for automatically converting the measured resistance value into a temperature value to be displayed and output.
And the computer is used for reading the measurement result and displaying the overtemperature alarm, the overspeed alarm, the measurement data record and the historical record.
The temperature sensor is a platinum thermal resistance temperature sensor.
The digital multimeter employs Keithley2701 and the multiscan switch employs Keithley 7700.
A platinum thermal resistor temperature sensor is adopted to carry out four-wire system work, and when the temperature of the platinum thermal resistor changes, a temperature value can be obtained from the variation of the resistance value; the resistance value change is changed into an electric signal by the current, and the constant current source is adopted for supplying power, so that the voltage measuring end does not participate in the power supply in the four-wire system, the measuring result of the platinum thermal resistor temperature sensor cannot be influenced by the change of the wiring resistor, and the measuring precision can be guaranteed.
The four-wire system working principle of the platinum thermal resistance temperature sensor is as follows:
the resistance of the platinum resistor at a temperature T is Rt, which can be expressed as Ro at 0 deg.c
Rt＝Ro[1+At+Bt2+Ct3(t-100)]-200＜t＜0℃
Rt＝Ro[1+AT+Bt2]0≤t＜850
Constant in the formula: a 3.9083 × 10-3℃-1
B＝-5.775×10-7℃-2
C＝-4.183×10-12℃-4
When the temperature of the platinum thermal resistor changes, the resistance value of the platinum thermal resistor changes along with the rule, and the temperature value can be obtained from the change quantity of the resistance value.
Claims (8)
1. A spindle temperature rise early warning method is characterized by comprising the following steps:
a. the temperature sensors led out from a multi-channel scanning switch of the multi-channel spindle temperature rise curve automatic measurement and recording device are arranged on 10 temperature measuring points of the spindle;
b. connecting the digital multipurpose meter and the computer by using an RJ45 Ethernet cable, starting the digital multipurpose meter and the computer by electrifying, and starting measurement software;
c. setting a sampling gap, an upper temperature limit and a temperature rise speed in the measurement setting, clicking a sampling button, automatically establishing a record file for storing measurement data by a computer, and starting to automatically perform temperature measurement of 10 channels in a circulating manner by using the set sampling gap;
d. and early warning judgment, when the temperature or the temperature rise speed exceeds a set limit value, displaying data corresponding to the overrun channel as red background color alarm, and when the temperature continuously rises to a temperature value set by measurement software, sending an alarm sound and outputting an alarm electric signal by the digital multimeter.
2. The spindle temperature rise early warning method according to claim 1, characterized in that: in the step c, the computer automatically establishing a record file for storing the measurement data means that the computer automatically establishes a measurement data text file by taking the current year, month, day and time as a file name for looking up and analyzing the previous measurement record.
3. The spindle temperature rise early warning method according to claim 1, characterized in that: in the step d, the early warning judgment specifically means that when the measured spindle temperature is greater than the early warning temperature, the temperature and the sound are displayed by yellow background color for early warning; when the measured temperature rise value of the main shaft in unit time is larger than the preset temperature rise value of the main shaft in unit time, displaying temperature rise speed early warning by adopting red background color; when the measured spindle temperature is higher than the preset protection temperature for automatically cutting off the spindle power supply, an alarm electric signal is output to control the cutting off of the spindle power supply.
4. The spindle temperature rise early warning method according to claim 1, characterized in that: the multichannel main shaft temperature rise curve automatic measurement recording device comprises a temperature sensor, a digital multimeter and a computer, wherein a multi-path scanning switch is arranged in the digital multimeter, measurement software is installed in the computer, the temperature sensor is electrically connected with the multi-path scanning switch of the digital multimeter, and the digital multimeter is connected with the computer through an RJ45 Ethernet cable.
5. The spindle temperature rise early warning method according to claim 4, characterized in that: and the temperature sensor is used for switching the detected temperature signals to the digital multimeter respectively according to the sequence through the multi-channel scanning switch to measure.
6. The spindle temperature rise early warning method according to claim 4, characterized in that: and the digital multimeter is used for automatically converting the measured resistance value into a temperature value to be displayed and output.
7. The spindle temperature rise early warning method according to claim 4, characterized in that: and the computer is used for reading the measurement result and displaying the overtemperature alarm, the overspeed alarm, the measurement data record and the historical record.
8. The spindle temperature rise early warning method according to claim 4, characterized in that: the temperature sensor is a platinum thermal resistance temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911271118.7A CN110926627A (en) | 2019-12-12 | 2019-12-12 | Main shaft temperature rise early warning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911271118.7A CN110926627A (en) | 2019-12-12 | 2019-12-12 | Main shaft temperature rise early warning method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110926627A true CN110926627A (en) | 2020-03-27 |
Family
ID=69860185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911271118.7A Pending CN110926627A (en) | 2019-12-12 | 2019-12-12 | Main shaft temperature rise early warning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110926627A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095511A (en) * | 2010-11-30 | 2011-06-15 | 西安瑞特快速制造工程研究有限公司 | Machine tool spindle temperature measurement device and measurement method thereof |
| CN202956211U (en) * | 2012-10-25 | 2013-05-29 | 东莞市精准通检测服务有限公司 | Temperature rise test system |
| CN103267641A (en) * | 2013-06-18 | 2013-08-28 | 青岛泰德汽车轴承有限责任公司 | Temperature-rise test device and method for sealed double-row angular contact ball bearings |
| CN108051211A (en) * | 2017-12-29 | 2018-05-18 | 湖南优利泰克自动化系统有限公司 | A kind of wind generator set main shaft holds temperature pre-warning diagnostic method |
| CN208270114U (en) * | 2018-06-21 | 2018-12-21 | 厦门普标计量检测研究有限公司 | A kind of platinum resistance thermometer calibrating installation |
| CN110146273A (en) * | 2019-06-06 | 2019-08-20 | 深圳市爱贝科精密机械有限公司 | Main shaft preheats temperature rise system |
-
2019
- 2019-12-12 CN CN201911271118.7A patent/CN110926627A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095511A (en) * | 2010-11-30 | 2011-06-15 | 西安瑞特快速制造工程研究有限公司 | Machine tool spindle temperature measurement device and measurement method thereof |
| CN202956211U (en) * | 2012-10-25 | 2013-05-29 | 东莞市精准通检测服务有限公司 | Temperature rise test system |
| CN103267641A (en) * | 2013-06-18 | 2013-08-28 | 青岛泰德汽车轴承有限责任公司 | Temperature-rise test device and method for sealed double-row angular contact ball bearings |
| CN108051211A (en) * | 2017-12-29 | 2018-05-18 | 湖南优利泰克自动化系统有限公司 | A kind of wind generator set main shaft holds temperature pre-warning diagnostic method |
| CN208270114U (en) * | 2018-06-21 | 2018-12-21 | 厦门普标计量检测研究有限公司 | A kind of platinum resistance thermometer calibrating installation |
| CN110146273A (en) * | 2019-06-06 | 2019-08-20 | 深圳市爱贝科精密机械有限公司 | Main shaft preheats temperature rise system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102554702B (en) | Device for measuring cutting force and cutting temperature of cutter holder type rotary milling blade | |
| CN104426039A (en) | Slip-ring unit and method for monitoring the condition of a slip-ring unit | |
| KR20180118826A (en) | Temperature measurement method, and temperature measurement device | |
| EP2684262B1 (en) | Apparatus for monitoring of brushes, in particular slipring or commutator brushes, on electrical machines | |
| CN108426665B (en) | Grinding wheel abrasion on-line monitoring and alarming device based on grinding resistance moment real-time measurement | |
| JP2972848B2 (en) | Tool life automatic detection method and device by detecting wear amount of cutting tool | |
| SG186110A1 (en) | Welding wire feeder with magnetic rotational speed sensor | |
| CN107024246A (en) | A kind of electro spindle performance automatic detection device | |
| CN105651412A (en) | Measurement method and measurement circuit for PT1000 temperature sensor | |
| CN206740180U (en) | A kind of electro spindle performance automatic detection device | |
| CN110926627A (en) | Main shaft temperature rise early warning method | |
| CN103234650A (en) | Method for measuring axle box bearing instant temperature of bullet train bogie | |
| CN107932186A (en) | A kind of cutting tool state recognition methods based on machining coordinate alignment reference signal | |
| CN115950639B (en) | Dynamic stress test line switching method for disc separation fan rotor blade | |
| US2946646A (en) | Machine tool cutting time indicator | |
| GB2090976A (en) | Apparatus for measuring bolt prestressing | |
| CN108942407A (en) | A kind of machining center main shaft belt fracture detection device and method | |
| CN209927335U (en) | Rotary torque sensor | |
| CN212272615U (en) | Application fan detecting system | |
| CN211926941U (en) | Water pump detection system | |
| CN218452676U (en) | Inertia friction welding machine data detection device | |
| CN113862410A (en) | Blast furnace taphole depth measuring device and method | |
| CN112903284B (en) | Lathe spindle temperature measurement system and method | |
| CN2048003U (en) | Self-cooled centre with current-collecting function | |
| CN110823569A (en) | Bearing fault detection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200327 |
|
| RJ01 | Rejection of invention patent application after publication |