CN108942605B - Resistance trimming machine for adjusting resistance value of alloy resistor - Google Patents
Resistance trimming machine for adjusting resistance value of alloy resistor Download PDFInfo
- Publication number
- CN108942605B CN108942605B CN201811145388.9A CN201811145388A CN108942605B CN 108942605 B CN108942605 B CN 108942605B CN 201811145388 A CN201811145388 A CN 201811145388A CN 108942605 B CN108942605 B CN 108942605B
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- resistance
- grinding wheel
- adjusting
- wheel
- trimming
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- 238000009966 trimming Methods 0.000 title claims abstract description 38
- 239000000956 alloy Substances 0.000 title claims abstract description 17
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 32
- 239000000428 dust Substances 0.000 claims abstract description 29
- 238000012937 correction Methods 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 43
- 230000033001 locomotion Effects 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
- 229910001651 emery Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/0683—Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Abstract
The invention discloses a resistance trimming machine for adjusting the resistance value of an alloy resistor, which comprises: the dust collection device comprises a movable bearing unit, a correction unit, a pressing unit and a dust collection unit, wherein the dust collection unit is used for collecting dust and waste generated during the working of the correction unit. Through the mode, the resistance trimming machine for adjusting the resistance of the alloy resistor adopts the grinding wheel trimming mode to adjust the resistance of a product, and the trimming force is changed by changing the height of the grinding wheel, so that different trimming values are needed, the trimming precision is high, the working efficiency and quality of trimming are improved, and the mechanical trimming mode can greatly reduce the production cost.
Description
Technical Field
The invention relates to the field of resistance repairing equipment, in particular to a resistance repairing machine for adjusting the resistance value of an alloy resistor.
Background
Components such as integrated circuits and electronic components are necessary parts to form electronic devices, and the resistance value of each electronic component directly affects the performance output of the whole device. When the resistance of the resistor finished product does not meet the use requirement, the size or structure of the resistor can be trimmed to meet the resistance requirement, and a laser trimming machine is generally used for trimming at present, namely a pulse laser beam focused into a small light spot is used for cutting the resistor, so that the resistor is partially melted and evaporated, and the effective conductive area or the effective conductive length of the resistor is further changed, so that the aim of adjusting the resistance of the resistor is fulfilled.
But the control of laser repair is comparatively complicated, and the operation is comparatively difficult, and the laser is difficult to control its processing degree of depth when repairing and is blocked, leads to the fact the damage to product inner structure easily, and the price is very expensive now moreover, and this certainly also has caused very big influence to manufacturing cost, so people need repair that accords with the requirement more and hinder the machine.
Disclosure of Invention
The invention mainly solves the technical problem of providing the resistance trimming machine for adjusting the resistance of the alloy resistor, which has the advantages of high reliability, accurate positioning, compact structure, simple operation, low cost and the like, and has wide market prospect in the application and popularization of resistance trimming equipment.
In order to solve the technical problems, the invention adopts a technical scheme that:
there is provided a resistance trimming machine for adjusting a resistance value of an alloy resistor, comprising: the dust collection unit is used for collecting dust and waste materials generated during the operation of the correction unit,
the movable bearing unit comprises a material belt and a transmission mechanism for driving the material belt to move, the material belt is provided with a feeding inductor,
the correction unit comprises a grinding wheel, a rotary driving device for driving the grinding wheel to rotate, a lifting driving device for driving the grinding wheel and the rotary driving device to move up and down, and a controller for controlling the movement distance of the lifting driving device,
the pressing unit comprises a jacking device, a connecting device and a pressing wheel, wherein the jacking device drives the pressing wheel to press and lift up through the connecting device.
In a preferred embodiment of the present invention, the puck is a flexible, resilient structure.
In a preferred embodiment of the present invention, the dust collection unit is disposed around the material belt, and the dust collection unit includes a dust collection powder pipe and an exhaust fan connected to the dust collection powder pipe.
In a preferred embodiment of the invention, the transmission mechanism comprises a power device, a rotating wheel and a positioning needle, wherein the rotating wheel is connected with a rotary handle and the positioning needle, the power device is connected with the positioning needle, the positioning needle is connected with a positioning hole on the material belt, and the power device and/or the rotating wheel drive the material belt to move through the positioning needle.
In a preferred embodiment of the present invention, the connecting device includes a support, a connecting rod, a connecting seat, and a pushing plate, where the support is disposed on a side surface of the material belt, the connecting rod passes through the support, two ends of the connecting rod are respectively connected with the connecting seat and the pushing plate, the pressing wheel is movably disposed on the connecting seat, the jacking device drives the pushing plate to move up and down, and the pushing plate drives the connecting rod to rotate, so that an end portion of the connecting seat connected with the pressing wheel is lifted and pressed down.
In a preferred embodiment of the present invention, the lifting driving device is disposed on the fixing frame, a guide post is disposed on a bottom surface of the fixing frame, and the lifting driving device drives the grinding wheel and the rotation driving device to move up and down along the guide post.
In a preferred embodiment of the present invention, a housing is connected to the grinding wheel and the rotary driving device, the guide post passes through the housing, and the housing moves up and down on the guide post.
In a preferred embodiment of the present invention, a height detector for checking the lifting height of the grinding wheel is provided on the holder.
In a preferred embodiment of the invention, a protective cover is arranged on the upper part of the grinding wheel, and a retractable movable door is arranged on the protective cover.
In a preferred embodiment of the present invention, the movable bearing unit, the correction unit, the pressing unit and the dust collection unit are disposed on a frame, an electric cabinet for controlling operation of all devices is disposed on the frame, and a fixed adjusting foot and a roller are disposed at the bottom of the frame.
The beneficial effects of the invention are as follows: the resistance of the product is regulated by adopting a grinding wheel trimming mode, and trimming force is changed by changing the height of the grinding wheel, so that different trimming values are required, the trimming precision is high, the working efficiency and quality of trimming are improved, and the mechanical trimming mode can greatly reduce the production cost.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram showing a front structure of a resistor trimming machine for adjusting resistance of alloy resistor according to a preferred embodiment of the present invention;
FIG. 2 is a schematic perspective view of a resistor trimming machine for adjusting resistance of alloy resistor according to a preferred embodiment of the present invention;
fig. 3 is a schematic perspective view of the pressing unit in the repairing machine for adjusting the resistance value of the alloy resistor.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, an embodiment of the present invention includes:
a resistor trimming machine for adjusting the resistance of an alloy resistor, comprising: the dust collection device comprises a frame 1, a movable bearing unit, one or more correction units, one or more pressing units and a plurality of dust collection units 2 for collecting dust and waste generated during operation of the correction units, wherein in order to ensure the use effect, the correction units and the pressing units can be arranged on each processing station at the same time, the movable bearing unit, the correction units, the pressing units and the dust collection units are arranged on the frame, an electric cabinet for controlling operation of all devices is arranged on the frame, and fixed adjusting feet 3 and rollers 4 are arranged at the bottom of the frame.
The movable bearing unit comprises a material belt 24 and a transmission mechanism for driving the material belt to move, two ends of the material belt are arranged at the positioning holes 10, a feeding inductor 23 is arranged at the end part of the material belt, and when the inductor detects that a product enters, the device is opened to repair the product.
The transmission mechanism comprises a power device (a material driving motor 5, a speed regulating motor 6), a rotating wheel 7 and a positioning needle 8, wherein the rotating wheel is connected with a rotary handle 9 and the positioning needle, the power device is connected with the positioning needle, the positioning needle is inserted into the positioning hole and fixedly connected with the positioning hole, the power device and/or the rotating wheel drives the material belt to move through the positioning needle, the material driving motor can directly drive the positioning needle to rotate through a belt, the positioning needle and the positioning hole cooperate to enable the material belt to move forwards, when the material driving motor can not provide power, the rotating handle can be rocked, and the rotating wheel drives the positioning needle to rotate, so that the purpose of driving the material belt is achieved.
The correction unit comprises a shell 11, a fixing frame 12, a guide post 13, a grinding wheel 14, a rotary driving device 15 for driving the grinding wheel to rotate and move, and a lifting driving device (servo motor) 22 for driving the grinding wheel and the rotary driving device to lift. The height of the lifting distance of the grinding wheel is directly driven and positioned by the servo motor, a user can set lifting height data required by the grinding wheel on a human-computer interface, then the controller (PLC) controls the input and output of the set required height data, at the moment, the servo motor can push the grinding wheel to lift according to the set height, meanwhile, the height detector (micrometer) 16 is further arranged on the fixing frame, the lifting height of the servo motor can be displayed clearly in real time, and the user can check the accuracy and precision of the motion of the servo motor conveniently.
The bottom surface of guide pillar with the frame is connected, be provided with on the top surface of guide pillar the mount, lift drive set up in on the mount, be provided with the through-hole on the shell, the guide pillar passes the through-hole, and follow the guide pillar up-and-down motion, the guide pillar plays direction, auxiliary connection's effect in the in-process of shell, emery wheel up-and-down motion, prevents that the emery wheel motion from deviating, improves the precision of correction. The rotary driving device is fixedly connected with the shell, the grinding wheel is arranged outside the shell, a power output shaft of the rotary driving device is connected with the grinding wheel, the lifting driving device drives the grinding wheel and the rotary driving device to move up and down along the guide post, the height detector is arranged on the fixing frame, a detection part of the height detector is connected with the shell, or the height of the shell/grinding wheel is directly measured.
The height detector can accurately measure and control the lifting height of the grinding wheel by adopting a micrometer and a displacement sensor equidistant sensing device, and the repairing precision is improved.
In order to prevent dust and debris from splashing to influence the processing effect and prolong the service life of equipment, a protective cover 17 can be arranged above the grinding wheel, and an opening for the grinding wheel to rotationally contact with a product for repairing is exposed on the bottom surface of the protective cover. In order to further play the protection effect (prevent that the dust from splashing to be convenient for the user to change and maintain the emery wheel, can set up a dodge gate 18 that can open and shut in the side of protection casing (the front of emery wheel), when need inspect, maintenance, change, need not to dismantle whole shell, only need open the dodge gate can, improved user's work efficiency.
The material pressing unit comprises a jacking device (a material pressing cylinder) 19, a connecting device 20 and a pressing wheel 21, wherein the jacking device drives the pressing wheel to press down and lift up through the connecting device, the pressing wheel can fix a product on a material belt, the product is prevented from generating defects such as warping in the correction process, the quality of correction is ensured, meanwhile, the pressing wheel is of a flexible elastic structure, damage to the product is avoided, the fixing effect is better achieved, the product is prevented from generating displacement in the processing process, and the processing effect is influenced.
The connecting device comprises a support 201, a connecting rod 202, a connecting seat 203 and a push plate 204, wherein the support is arranged on the side face of the material belt, one end of the push plate is fixedly connected with the material ejection cylinder, the other end of the push plate is arranged in a through groove for driving the connecting rod to rotate, the connecting rod penetrates through the support, one end of the connecting rod is fixedly connected with the connecting seat (or an integrated structure), the other end of the connecting rod is connected with the through groove, and the pinch roller is movably arranged on the connecting seat.
The motion principle of the material pressing unit is similar to the lever principle, when the material pressing is not needed, the material pushing cylinder is retracted downwards, one end of the push plate connected with the material pushing cylinder is driven to move downwards, the through groove can drive the connecting rod to rotate, so that the end part of the connecting seat connected with the pressing wheel is upwards away from the material belt, when the material pressing is needed, the material pushing cylinder is lifted upwards, one end of the push plate connected with the material pushing cylinder is driven to move upwards, the through groove can drive the connecting rod to rotate, so that the end part of the connecting seat connected with the pressing wheel is downwards close to the material belt until the pressing plate is pressed down on a product, and the pressing wheel pressing distance and position can be adjusted according to factors such as the thickness, the size and the material of the product, so that a better fixing effect is achieved.
The dust collection unit is arranged around the material belt and comprises a dust collection powder pipe and an exhaust fan connected with the dust collection powder pipe, when the correction unit starts to work, the grinding wheel can bring out a lot of dust and fragments, at the moment, the exhaust fan is opened, impurities such as the dust and the fragments can be sucked into the dust collection powder pipe, the impurities are prevented from splashing to cause abrasion and damage to other equipment and products, and certain safety guarantee can be provided for operators, so that the waste is prevented from hurting people.
When in work, the working height of the grinding wheel is set, and the grinding wheel is sequentially adjusted according to the scales of the height detector
(lowering) can not be adjusted (lowered) by a large margin at a time so as to avoid abrasion of the grinding wheel to the material belt; turning on a power supply of the resistor trimming machine, and adjusting the running of the grinding wheel (the speed is adjusted to 3-5); the resistance value of the measurement sheet is taken out after the height trial cutting of the grinding wheel is reduced (when the resistance value is too low, the speed can be adjusted to be 2-3); and adjusting (reducing) the height of the grinding wheel according to the resistance value of the sheet until the corrected sheet resistance value meets the requirement, fixing the height of the grinding wheel, continuing to produce, resetting the height detector to zero, and repeating the steps if the corrected sheet resistance value does not meet the trimming value.
The resistor trimming machine for adjusting the resistance value of the alloy resistor has the beneficial effects that: the resistance of the product is regulated by adopting a grinding wheel trimming mode, and trimming force is changed by changing the height of the grinding wheel, so that different trimming values are required, the trimming precision is high, the working efficiency and quality of trimming are improved, and the mechanical trimming mode can greatly reduce the production cost.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (5)
1. A trimming machine for adjusting the resistance of an alloy resistor, comprising: the dust collection unit is used for collecting dust and waste materials generated during the operation of the correction unit,
the correcting unit comprises a grinding wheel, a rotary driving device for driving the grinding wheel to rotate, a lifting driving device for driving the grinding wheel and the rotary driving device to move up and down, and a controller for controlling the movement distance of the lifting driving device, wherein the lifting driving device is arranged on a fixing frame, a guide pillar is arranged on the bottom surface of the fixing frame, the lifting driving device drives the grinding wheel and the rotary driving device to move up and down along the guide pillar, and a height detector for checking the lifting height of the grinding wheel is arranged on the fixing frame;
the movable bearing unit comprises a material belt and a transmission mechanism for driving the material belt to move, a feeding sensor is arranged on the material belt, a protective cover is arranged on the upper part of the grinding wheel, and a movable door capable of opening and closing is arranged on the protective cover;
the material pressing unit comprises a jacking device, a connecting device and a pressing wheel, wherein the jacking device drives the pressing wheel to press and lift up through the connecting device, the pressing wheel is of a flexible elastic structure, the connecting device comprises a support, a connecting rod, a connecting seat and a pushing plate, the support is arranged on the side face of the material belt, the connecting rod penetrates through the support, two ends of the connecting rod are respectively connected with the connecting seat and the pushing plate, the pressing wheel is movably arranged on the connecting seat, the jacking device drives the pushing plate to move up and down, and the pushing plate drives the connecting rod to rotate so that the end part of the connecting seat connected with the pressing wheel ascends and presses down.
2. The resistance trimming machine for adjusting alloy resistance according to claim 1, wherein the dust collection unit is arranged around the material belt, and comprises a dust collection powder pipe and an exhaust fan connected with the dust collection powder pipe.
3. The resistor trimming machine for adjusting the resistance value of alloy resistor according to claim 1, wherein the transmission mechanism comprises a power device, a rotating wheel and a positioning needle, the rotating wheel is connected with a rotary handle and the positioning needle, the power device is connected with the positioning needle, the positioning needle is connected with a positioning hole on the material belt, and the power device and/or the rotating wheel drive the material belt to move through the positioning needle.
4. The resistor trimming machine for adjusting the resistance of alloy according to claim 1, wherein a housing is connected to the grinding wheel and the rotary driving device, the guide post penetrates through the housing, and the housing moves up and down on the guide post.
5. The resistance trimming machine for adjusting alloy resistance according to any one of claims 1 to 4, wherein the movable bearing unit, the correction unit, the material pressing unit and the dust collection unit are arranged on a frame, an electric cabinet for controlling operation of all devices is arranged on the frame, and fixed adjusting pins and rollers are arranged at the bottom of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145388.9A CN108942605B (en) | 2018-09-29 | 2018-09-29 | Resistance trimming machine for adjusting resistance value of alloy resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145388.9A CN108942605B (en) | 2018-09-29 | 2018-09-29 | Resistance trimming machine for adjusting resistance value of alloy resistor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108942605A CN108942605A (en) | 2018-12-07 |
| CN108942605B true CN108942605B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811145388.9A Active CN108942605B (en) | 2018-09-29 | 2018-09-29 | Resistance trimming machine for adjusting resistance value of alloy resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108942605B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114290185A (en) * | 2021-12-31 | 2022-04-08 | 苏州利昇达电子科技有限公司 | Alloy precision resistor chip type resistor repairing machine |
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|---|---|---|---|---|
| CN2153853Y (en) * | 1992-11-14 | 1994-01-19 | 邱显星 | Characteristic value finishing device for electronic element |
| JP2002307304A (en) * | 2001-04-13 | 2002-10-23 | Nagase Integrex Co Ltd | Grinding wheel dressing method and grinding machine used in the same |
| JP2011049209A (en) * | 2009-08-25 | 2011-03-10 | Kansai Paint Co Ltd | Trimming method of resistor |
| CN204096569U (en) * | 2014-09-24 | 2015-01-14 | 台州市倍力机械有限公司 | Automatic feeding |
| TWM544095U (en) * | 2017-03-17 | 2017-06-21 | Lih Song Technology Co Ltd | Improved structure of chip resistor micro-engraving machine |
| CN107297796A (en) * | 2017-08-27 | 2017-10-27 | 王水香 | Automatically cut wood and remove knot machine |
| CN206601997U (en) * | 2017-03-22 | 2017-10-31 | 力嵩科技股份有限公司 | The structure-improved of the micro- engraving machine of Chip-R |
| CN207009185U (en) * | 2017-07-29 | 2018-02-13 | 河南师范大学 | A kind of pellet resistance produces sanding apparatus |
| CN208729469U (en) * | 2018-09-29 | 2019-04-12 | 李俊 | Resistance machine is repaired for adjust resistance alloys resistance value |
-
2018
- 2018-09-29 CN CN201811145388.9A patent/CN108942605B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153853Y (en) * | 1992-11-14 | 1994-01-19 | 邱显星 | Characteristic value finishing device for electronic element |
| JP2002307304A (en) * | 2001-04-13 | 2002-10-23 | Nagase Integrex Co Ltd | Grinding wheel dressing method and grinding machine used in the same |
| JP2011049209A (en) * | 2009-08-25 | 2011-03-10 | Kansai Paint Co Ltd | Trimming method of resistor |
| CN204096569U (en) * | 2014-09-24 | 2015-01-14 | 台州市倍力机械有限公司 | Automatic feeding |
| TWM544095U (en) * | 2017-03-17 | 2017-06-21 | Lih Song Technology Co Ltd | Improved structure of chip resistor micro-engraving machine |
| CN206601997U (en) * | 2017-03-22 | 2017-10-31 | 力嵩科技股份有限公司 | The structure-improved of the micro- engraving machine of Chip-R |
| CN207009185U (en) * | 2017-07-29 | 2018-02-13 | 河南师范大学 | A kind of pellet resistance produces sanding apparatus |
| CN107297796A (en) * | 2017-08-27 | 2017-10-27 | 王水香 | Automatically cut wood and remove knot machine |
| CN208729469U (en) * | 2018-09-29 | 2019-04-12 | 李俊 | Resistance machine is repaired for adjust resistance alloys resistance value |
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| Publication number | Publication date |
|---|---|
| CN108942605A (en) | 2018-12-07 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191231 Address after: 215000 No.183, Yisheng Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou juyongchang Electronic Technology Co.,Ltd. Address before: 215000 Tiancheng Garden, Xingang, No. 1 Changban Road, Wujiang District, Suzhou City, Jiangsu Province Applicant before: Li Jun |
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