CN112201424A - Process for correcting resistance value by removing material - Google Patents
Process for correcting resistance value by removing material Download PDFInfo
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- CN112201424A CN112201424A CN202011137302.5A CN202011137302A CN112201424A CN 112201424 A CN112201424 A CN 112201424A CN 202011137302 A CN202011137302 A CN 202011137302A CN 112201424 A CN112201424 A CN 112201424A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/22—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming
- H01C17/24—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material
- H01C17/245—Apparatus or processes specially adapted for manufacturing resistors adapted for trimming by removing or adding resistive material by mechanical means, e.g. sand blasting, cutting, ultrasonic treatment
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Abstract
The invention discloses a process for correcting resistance of a resistor by using a removing material, which comprises the following steps of (1) selecting a resistor repairing mode, wherein the resistor repairing mode is selected according to the actual requirement of the resistor and the actual structure of the resistor, the first mode is top surface resistor repairing, and the second mode is top surface and side surface linkage resistor repairing; (2) selecting a processed lower tool point; (3) inputting a processing interval and processing parameters thereof into the controller, measuring the current resistance value of the resistor, synchronously feeding the measurement result back to the controller, calculating an initial resistance target value a through the controller and the like. The invention provides a process for correcting the resistance value of a resistor by using a removing material, which greatly improves the stability of the resistance value of the resistor after the resistor is removed, effectively improves the efficiency of removing the resistor, and well improves the roughness of a processed surface, thereby promoting the development and progress of enterprises and industries.
Description
Technical Field
The invention belongs to the field of resistor processing, and particularly relates to a process for correcting the resistance of a resistor by using a removing material.
Background
At present, each enterprise mainly removes materials by two ways to correct the resistance value of the resistor:
the first method is a laser removal method: according to the method, materials are mainly removed through laser, but instantaneous high temperature can be generated in the material removing process of the laser, so that the actual resistance value of the resistor is influenced, the error of the accurate value of the material resistance trimming removed in the method is large, and the requirement of accuracy cannot be better controlled;
the second mode is a starting flour milling method: this mode mainly grinds the material through grinding type processing equipment, and it needs longer time to get rid of the material, has led to the production efficiency of this mode lower, and can lead to getting rid of the surface of the position behind the material comparatively crude, is difficult to reach corresponding requirement when processing to the higher resistance of surface requirement.
Therefore, how to better remove the material to complete the correction of the resistance value of the resistor is the research direction of various enterprises in the industry today.
Disclosure of Invention
The invention aims to overcome the problems and provide a process for correcting the resistance value of a resistor by using a removing material, so that the stability of the resistance value of the resistor after the resistor is removed is greatly improved, the efficiency of removing the resistor is effectively improved, the roughness of a processed surface is well improved, and further the development and progress of enterprises and industries are promoted.
The purpose of the invention is realized by the following technical scheme:
a process for correcting the resistance value of a resistor by using a removing material comprises the following steps:
(1) selecting a resistance trimming mode, and selecting the resistance trimming mode according to the actual requirement of the resistor and the actual structure of the resistor, wherein the first mode is top surface resistance trimming, and the second mode is top surface and side surface linkage resistance trimming;
(2) selecting a processed lower tool point;
(3) inputting a processing interval and processing parameters thereof into a controller, measuring the current resistance value of the resistor, synchronously feeding the measurement result back to the controller, and calculating an initial resistance target value a through the controller;
(4) the controller selects an initial machining interval of rough machining according to the resistance target value a, rough machining is carried out on the resistance, the resistance target value a is calculated in real time in the rough machining process, and adjustment of the machining interval is automatically completed according to the resistance target value a calculated in real time;
(5) performing finish machining on the resistor;
(6) and lifting the cutter to complete the material removal process of the resistor.
The top surface resistance trimming in the step (1) refers to removing materials on the top surface of the resistor, and the top surface and side surface linkage resistance trimming refers to simultaneously removing the materials on the top surface of the resistor and the materials on the side surface of any side.
In the step (2), the selection is mainly carried out through visual inspection through experience, and the selection of the optimal cutting point can also be completed through accurate positioning of CDD visual shooting.
When the mode is selected in the step (1), the central point of the upper side surface is selected as a lower cutting point in the step (2); and (2) when the second mode is selected in the step (1), selecting a point of the side surface of the upper side surface, which is closest to the side surface to be machined, as a lower cutter point.
The equipment measured in the step (3) is a standard resistance meter, and the measured resistance value is displayed through numbers, wherein the display precision is at least 0.1 milliohm; the initial resistance target value a is (resistance present value-resistance qualified value)/resistance qualified value multiplied by 100%.
The selection of the processing interval in the step (3) is judged through a resistance target value a, and specifically comprises the following steps:
the interval one: a is more than or equal to 20.00 percent and less than or equal to 0.2 percent;
the interval two: -19.99% to-10.00%;
interval three: -9.99 to-1.00%;
when a is in the interval of one, the resistance material is not corrected, the controller gives an alarm to prompt the replacement of the resistance, and the step (1) is returned; and when the a is in a second interval or a third interval, performing rough machining, wherein the feeding speed of the second interval and the third interval is 0.10-2.00 mm/s, and the cutting depth is 0.01-2.00 mm.
The resistance target value a of the finish machining in the step (4) is-0.99 to-0.10 percent, the feeding speed is 0.01mm/s to 0.50mm/s, and the cutting depth is 0.01mm to 0.25 mm.
The feeding speed of the interval II is greater than or equal to that of the interval III and is greater than or equal to that of finish machining; the cutting depth of the second interval is larger than or equal to that of the third interval and is larger than or equal to that of finish machining.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the method and the device finish the prediction of the channel payment flow in a machine learning mode, thereby effectively judging whether the channel payment flow in a future period reaches a threshold value, further adopting a degradation scheme in advance to ensure high availability of service, effectively improving the intelligence of the system and promoting the development of enterprises and industries.
Drawings
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a flow chart of a neural network in the machine learning model of the present invention.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
A process for correcting the resistance value of a resistor by using a removing material comprises the following steps:
(1) selecting a resistance trimming mode, and selecting the resistance trimming mode according to the actual requirement of the resistor and the actual structure of the resistor, wherein the first mode is top surface resistance trimming, and the second mode is top surface and side surface linkage resistance trimming;
the top surface resistance trimming refers to removing materials on the top surface of the resistor, and the top surface and side surface linkage resistance trimming refers to simultaneously removing the materials on the top surface of the resistor and the materials on the side surface of any side.
(2) Selecting a processed lower tool point;
the selection is mainly carried out through experience visual inspection, and the selection of the optimal cutting point can also be completed through accurate positioning of CDD visual shooting.
Selecting a mode I in the step (1), and selecting a central point of the upper side surface as a lower cutting point in the step (2); and (2) when the second mode is selected in the step (1), selecting a point of the side surface of the upper side surface, which is closest to the side surface to be machined, as a lower cutter point.
(3) Inputting a processing interval and processing parameters thereof into a controller, measuring the current resistance value of the resistor, synchronously feeding the measurement result back to the controller, and calculating an initial resistance target value a through the controller;
the measured equipment is a standard resistance measuring instrument, and the measured resistance value is displayed through numbers, and the display precision is at least 0.1 milliohm; the initial resistance target value a is (resistance present value-resistance qualified value)/resistance qualified value multiplied by 100%.
The selection of the processing interval is judged by a resistance target value a, and specifically comprises the following steps:
the interval one: a is more than or equal to 20.00 percent and less than or equal to 0.2 percent;
the interval two: -19.99% to-10.00%;
interval three: -9.99 to-1.00%;
when a is in the interval of one, the resistance material is not corrected, the controller gives an alarm to prompt the replacement of the resistance, and the step (1) is returned; and when the a is in a second interval or a third interval, performing rough machining, wherein the feeding speed of the second interval and the third interval is 0.10-2.00 mm/s, and the cutting depth is 0.01-2.00 mm.
In the actual machining, the judgment criterion of the machining interval may be adjusted according to the actual machining, but in the first adjustment interval, the aforementioned-20.00% is the lower adjustment limit, and 0.2% is the upper adjustment limit. After the interval one is adjusted, the interval two should also be adjusted adaptively.
(4) The controller selects an initial machining interval of rough machining according to the resistance target value a, rough machining is carried out on the resistance, the resistance target value a is calculated in real time in the rough machining process, and adjustment of the machining interval is automatically completed according to the resistance target value a calculated in real time;
the target value a of the finish machining resistance is-0.99 to-0.10 percent, the feeding speed is 0.01mm/s to 0.50mm/s, and the cutting depth is 0.01mm to 0.25 mm.
(5) Performing finish machining on the resistor;
(6) and lifting the cutter to complete the material removal process of the resistor.
The feeding speed of the interval II is greater than or equal to that of the interval III and is greater than or equal to that of finish machining; the cutting depth of the second interval is larger than or equal to that of the third interval and is larger than or equal to that of finish machining.
Example 2
As shown in fig. 1, a process for correcting the resistance of a resistor by using a removal material comprises:
(1) selecting a second resistance repairing mode, and performing linkage resistance repairing on the top surface and the left side surface of the resistor;
(2) selecting a machined lower cutter point as a K point;
(3) inputting a processing interval and processing parameters thereof into a controller, measuring the current resistance value of the resistor, synchronously feeding the measurement result back to the controller, and calculating an initial resistance target value a through the controller;
(4) the controller selects an initial machining interval of rough machining according to the resistance target value a, rough machining is carried out on the resistance, the resistance target value a is calculated in real time in the rough machining process, and adjustment of the machining interval is automatically completed according to the resistance target value a calculated in real time;
the interval one: a is more than or equal to 15.00 percent and less than or equal to 0.2 percent;
the interval two: -14.99% to-10.00%;
interval three: -9.99 to-1.00%;
when a is in the interval of one, the resistance material is not corrected, the controller gives an alarm to prompt the replacement of the resistance, and the step (1) is returned; and when the a is in a second interval or a third interval, performing rough machining, wherein the feeding speed of the second interval is 0.10mm/s, the cutting depth is 0.08mm, and the feeding speed of the third interval is 0.08mm/s, and the cutting depth is 0.08 mm.
The top surface and the left side surface are processed alternately in the processing process.
(5) Performing finish machining on the resistor;
the resistance target value a of the finish machining is-0.99 to-0.10 percent, the feeding speed is 0.02mm/s, and the cutting depth is 0.02 mm.
(6) And lifting the cutter to complete the material removal process of the resistor.
Example 3
A process for correcting the resistance value of a resistor by using a removing material comprises the following steps:
(1) selecting a first resistance trimming mode, and performing top surface resistance trimming on the resistor;
(2) selecting a processed lower cutter point as a middle point K of the top surface;
(3) inputting a processing interval and processing parameters thereof into a controller, measuring the current resistance value of the resistor, synchronously feeding the measurement result back to the controller, and calculating an initial resistance target value a through the controller;
(4) the controller selects an initial machining interval of rough machining according to the resistance target value a, rough machining is carried out on the resistance, the resistance target value a is calculated in real time in the rough machining process, and adjustment of the machining interval is automatically completed according to the resistance target value a calculated in real time;
the interval one: a is more than or equal to 15.00 percent and less than or equal to 0.2 percent;
the interval two: -14.99% to-10.00%;
interval three: -9.99 to-1.00%;
when a is in the interval of one, the resistance material is not corrected, the controller gives an alarm to prompt the replacement of the resistance, and the step (1) is returned; and when the a is in a second interval or a third interval, performing rough machining, wherein the feeding speed of the second interval is 0.80mm/s, the cutting depth is 0.10mm, and the feeding speed of the second interval is 0.50mm/s, and the cutting depth is 0.08 mm.
(5) Performing finish machining on the resistor;
the resistance target value a of the finish machining is-0.99 to-0.10 percent, the feeding speed is 0.02mm/s, and the cutting depth is 0.02 mm.
(6) And lifting the cutter to complete the material removal process of the resistor.
As described above, the present invention can be preferably realized.
Claims (8)
1. A process for correcting the resistance value of a resistor by using a removing material is characterized in that: the method comprises the following steps:
(1) selecting a resistance trimming mode, and selecting the resistance trimming mode according to the actual requirement of the resistor and the actual structure of the resistor, wherein the first mode is top surface resistance trimming, and the second mode is top surface and side surface linkage resistance trimming;
(2) selecting a processed lower tool point;
(3) inputting a processing interval and processing parameters thereof into a controller, measuring the current resistance value of the resistor, synchronously feeding the measurement result back to the controller, and calculating an initial resistance target value a through the controller;
(4) the controller selects an initial machining interval of rough machining according to the resistance target value a, rough machining is carried out on the resistance, the resistance target value a is calculated in real time in the rough machining process, and adjustment of the machining interval is automatically completed according to the resistance target value a calculated in real time;
(5) performing finish machining on the resistor;
(6) and lifting the cutter to complete the material removal process of the resistor.
2. The process for modifying the resistance of a resistor according to claim 1, wherein the step of removing the material comprises the steps of: the top surface resistance trimming in the step (1) refers to removing materials on the top surface of the resistor, and the top surface and side surface linkage resistance trimming refers to simultaneously removing the materials on the top surface of the resistor and the materials on the side surface of any side.
3. The process for modifying the resistance of a resistor according to claim 2, wherein the step of removing the material comprises the steps of: in the step (2), the selection is mainly carried out through visual inspection through experience, and the selection of the optimal cutting point can also be completed through accurate positioning of CDD visual shooting.
4. The process of claim 3, wherein the step of modifying the resistance of the resistor with a sacrificial material comprises: when the mode is selected in the step (1), the central point of the upper side surface is selected as a lower cutting point in the step (2); and (2) when the second mode is selected in the step (1), selecting a point of the side surface of the upper side surface, which is closest to the side surface to be machined, as a lower cutter point.
5. The process of claim 4, wherein the step of modifying the resistance of the resistor with a sacrificial material comprises: the equipment measured in the step (3) is a standard resistance meter, and the measured resistance value is displayed through numbers, wherein the display precision is at least 0.1 milliohm; the initial resistance target value a is (resistance present value-resistance qualified value)/resistance qualified value multiplied by 100%.
6. The process of claim 5, wherein the step of modifying the resistance of the resistor with a sacrificial material comprises: the selection of the processing interval in the step (3) is judged through a resistance target value a, and specifically comprises the following steps:
the interval one: a is more than or equal to 20.00 percent and less than or equal to 0.2 percent;
the interval two: -19.99% to-10.00%;
interval three: -9.99 to-1.00%;
when a is in the interval of one, the resistance material is not corrected, the controller gives an alarm to prompt the replacement of the resistance, and the step (1) is returned; and when the a is in a second interval or a third interval, performing rough machining, wherein the feeding speed of the second interval and the third interval is 0.10-2.00 mm/s, and the cutting depth is 0.01-2.00 mm.
7. The process of claim 6, wherein the step of modifying the resistance of the resistor with a sacrificial material comprises: the resistance target value a of the finish machining in the step (4) is-0.99 to-0.10 percent, the feeding speed is 0.01mm/s to 0.50mm/s, and the cutting depth is 0.01mm to 0.25 mm.
8. The process of claim 7, wherein the step of modifying the resistance of the resistor with a sacrificial material comprises: the feeding speed of the interval II is greater than or equal to that of the interval III and is greater than or equal to that of finish machining; the cutting depth of the second interval is larger than or equal to that of the third interval and is larger than or equal to that of finish machining.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011137302.5A CN112201424A (en) | 2020-10-22 | 2020-10-22 | Process for correcting resistance value by removing material |
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| CN202011137302.5A CN112201424A (en) | 2020-10-22 | 2020-10-22 | Process for correcting resistance value by removing material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001307912A (en) * | 2000-04-24 | 2001-11-02 | Matsushita Electric Ind Co Ltd | Method for trimming electronic circuit and electronic circuit device |
| CN102243915A (en) * | 2010-05-11 | 2011-11-16 | 乾坤科技股份有限公司 | Trimmer and method for regulating resistance value of resistance component as well as electronic device |
| CN103646739A (en) * | 2013-12-06 | 2014-03-19 | 桂林电子科技大学 | Thin film thermistor and resistance adjusting method thereof |
| CN109494037A (en) * | 2018-11-19 | 2019-03-19 | 深圳市业展电子有限公司 | A kind of efficient resistance trimming technique of high-precision low resistance alloy Chip-R |
-
2020
- 2020-10-22 CN CN202011137302.5A patent/CN112201424A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001307912A (en) * | 2000-04-24 | 2001-11-02 | Matsushita Electric Ind Co Ltd | Method for trimming electronic circuit and electronic circuit device |
| CN102243915A (en) * | 2010-05-11 | 2011-11-16 | 乾坤科技股份有限公司 | Trimmer and method for regulating resistance value of resistance component as well as electronic device |
| CN103646739A (en) * | 2013-12-06 | 2014-03-19 | 桂林电子科技大学 | Thin film thermistor and resistance adjusting method thereof |
| CN109494037A (en) * | 2018-11-19 | 2019-03-19 | 深圳市业展电子有限公司 | A kind of efficient resistance trimming technique of high-precision low resistance alloy Chip-R |
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Application publication date: 20210108 |
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