CN104354094A - Spring grinding machine and grinding method - Google Patents
Spring grinding machine and grinding method Download PDFInfo
- Publication number
- CN104354094A CN104354094A CN201410557481.6A CN201410557481A CN104354094A CN 104354094 A CN104354094 A CN 104354094A CN 201410557481 A CN201410557481 A CN 201410557481A CN 104354094 A CN104354094 A CN 104354094A
- Authority
- CN
- China
- Prior art keywords
- spring
- grinding
- lower support
- axis
- coil
- 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.)
- Granted
Links
Classifications
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
Abstract
The invention discloses a spring grinding machine and a grinding method. The grinding machine comprises a pedestal, a grinding table, a grinding pool, a grinding body, a first vibration motor and a second vibration motor, wherein the pedestal and the grinding table are both cylindrical; the grinding table is arranged in the center of the top of the pedestal; the diameter of the grinding table is smaller than that of the pedestal; the grinding pool is a drum arranged at the top of the grinding table; a plurality of lower fixing blocks are uniformly arranged at the bottom inside the grinding pool; the grinding body is arranged above the grinding pool; a plurality of upper fixing blocks are uniformly arranged at the bottom of the grinding body; the upper fixing blocks and the lower fixing blocks are in one-to-one correspondence; springs to be machined are placed in the space between the upper fixing blocks and the lower fixing blocks; the grinding pool is filled with a grinding agent submerging the springs; the first vibration motor and the second vibration motor are symmetrically arranged on the two sides of the grinding body; the axes of rotating shafts of the vibration motors are parallel to the axis of the grinding body; the axes of the pedestal, the grinding table, the grinding pool and the grinding body are collinear. The spring grinding machine and the grinding method disclosed by the invention can be used for machining and manufacturing the springs in batches, and has the characteristics of low cost, high efficiency and high quality.
Description
Technical field
The present invention relates to a kind of spring grinder and Ginding process, specifically a kind of spring grinder of processing motor train unit train spring and Ginding process, belong to spring processing technique field.
Background technology
Spring is the important functional part in motor train unit train vibration insulating system, and Main Function absorbs and separating vibration, improves the stationarity of vehicle at high-speed cruising, ensures that occupant's is comfortable and safe, extends the service life of vehicle component and rail.
All the time, all there is a technical barrier in the processing and manufacturing of motor train unit train spring, namely for the manufacturer of motor train unit train spring, reach motor train unit train spring under service load, the contact line length between its bracing ring and coil is greater than 1/3rd of this motor train unit train mean diameter of coil and the contact between bracing ring and coil is this standard-required of continuous print is extremely difficult.Contact between the bracing ring of motor train unit train spring and coil is discontinuous, certainly exists point cantact, thus causes the performance of motor train unit train spring significantly to reduce, and has a strong impact on its service life.
For the manufacturer of motor train unit train spring, the method solving point cantact between motor train unit train spring supporting circle and coil is the method adopting manual polishing mostly, is polished in point cantact position between the bracing ring of motor train unit train spring and coil, to ensure that the bracing ring of motor train unit train spring contacts with continuous between coil.But manual polishing technique is: the position that the measurement point of position-polishing-again of measurement point contact contacts-again polish, so repeated multiple times, just can complete.Therefore, manual polishing technique not only production efficiency is very low, and polishing is difficult to realize large-scale highly-efficient processing manufacture, and being also difficult to ensure between the bracing ring of the motor train unit train spring after manual polishing and coil must be continuous print.
Up to the present, also there is no a kind of effective spring process technology, can ensure that the contact between the bracing ring of motor train unit train spring and coil is continuous print, scale High-efficient Production can be realized again.
Summary of the invention
In order to overcome the deficiency of above technology, the invention provides a kind of spring grinder and Ginding process, its can low cost, high efficiency, realize the batch machining manufacture of motor train unit train spring in high quality.
The present invention solves the technical scheme that its technical problem takes: a kind of spring grinder, is characterized in that, comprises base, grinding table, grinding pond, abrasive body, the first vibrating motor and the second vibrating motor; Described base and grinding table are cylinder, and described grinding table is arranged on base top center and the diameter of grinding table is less than the diameter of base; Described grinding pond is arranged on the top of grinding table, and described grinding pond is cylinder, and the interior bottom portion in grinding pond is evenly provided with some lower fixed blocks; Described abrasive body is arranged on above grinding pond, the bottom even of abrasive body is provided with some upper fixed blocks, and be arranged on upper fixed block bottom abrasive body and be arranged on lower fixed block one_to_one corresponding grind pond interior bottom portion, and between the upper fixed block and lower fixed block of correspondence, place the spring needing to process; Be filled with grinding agent in described grinding pond, the top of described grinding agent is higher than the top of spring; The first described vibrating motor and the second vibrating motor are symmetricly set on the both sides of abrasive body, and the axis of the rotating shaft of the first vibrating motor and the second vibrating motor and the axis being parallel of abrasive body; The axis collinear of described base, grinding table, grinding pond and abrasive body.
Further, described base and grinding table are integrated.
Further, described grinding pond is bolted on grinding table.
Further, fixed piece is cylinder with lower fixed block, and the axis of described upper fixed block and lower fixed block is evenly distributed in the some concentric disc of axle centered by the axis of abrasive body.
Further, described base is provided with fixing hole, base is by being bolted on ground through fixing hole.
Further, the first described vibrating motor is identical with the performance indications of the second vibrating motor, rotation direction is identical.
Further, the internal diameter in described grinding pond is greater than the diameter of abrasive body.
Present invention also offers a kind of spring Ginding process, it is characterized in that, comprise following process:
Set up coordinate system: with the center of circle of the end face of the lower support circle of spring for the origin of coordinates, to be positioned at the straight line in the center of circle of the end face of the lower support circle through spring of the end face of the lower support circle of spring for z-axis, to be positioned at the center of circle of the end face of the lower support circle through spring of the end face of the lower support circle of spring and perpendicular to the straight line of z-axis for y-axis, to set up rectangular coordinate system in space with the center of circle of the end face of the lower support circle through spring and perpendicular to the straight line of z-axis and y-axis for x-axis;
Fixing spring: be fixed on by the lower support circle of spring on the lower fixed block in grinding pond, upper bracing ring is fixed on the upper fixed block bottom abrasive body, and in the grinding agent that spring is immersed in grinding pond;
Grind: start the first vibrating motor and the second vibrating motor, the end face of the upper bracing ring of spring applies a power Fx along x-axis, size and the upper bracing ring when spring of Fx, contact line length between lower support circle and coil slightly larger than this mean diameter of coil three/service load is equal for the moment, the side of the upper bracing ring of spring applies a power Fy along y-axis and the power Fz along z-axis respectively, make spring under the effect of power Fy and power Fz, start reciprocal dither, by being filled in the upper bracing ring of spring, grinding agent between lower support circle and coil is to the upper bracing ring of spring, high frequency fine motion grinding is carried out between lower support circle and coil, and then the upper bracing ring eliminated when spring, contact line length between lower support circle and coil is greater than the upper bracing ring of three/for the moment spring of this mean diameter of coil, the point cantact existed between lower support circle and coil, thus realize the upper of spring, continuous lines contact between lower support circle and coil.
Further, the size of described power Fx and the upper bracing ring of spring, lower support circle and the contact line length between coil slightly larger than this mean diameter of coil three/service load is equal for the moment; Described power Fy and power Fz is the active force of mechanical periodicity, and the direction of power Fy and power Fz remains the axes normal with spring.
Further, described grinding agent comprises any one in liquid grinding agent, paste grinding agent and solid abrasive agent.
The invention has the beneficial effects as follows: this invention removes when the upper bracing ring of spring, the contact line length between lower support circle and coil are slightly larger than the three/for the moment upper bracing ring of spring, the point cantact between lower support circle and coil of this mean diameter of coil, the upper bracing ring, the lower support circle that achieve spring contact with the continuous lines between coil, and then achieve the batch machining manufacture of spring, there is low cost, high efficiency and high-quality feature.
The present invention is not only applicable to the attrition process to motor train unit train spring, but also be applicable to the attrition process of other steel spring, solve the problem that the production efficiency of Traditional Man technique for grinding is very low, achieve extensive, spring processing and manufacturing efficiently.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of grinder of the present invention;
Fig. 2 is the top view of grinder shown in Fig. 1;
Fig. 3 is the main sectional view (i.e. the A-A profile of Fig. 2) of grinder shown in Fig. 1;
Fig. 4 is the left view of grinder shown in Fig. 1;
Enlarged drawing when Fig. 5 is the partial enlargement of upper fixed block position shown in Fig. 32 times;
Fig. 6 is the principle schematic of Ginding process of the present invention;
Fig. 7 is the schematic diagram that the present invention adopts outer ring fixing spring;
In figure: 1 base, 2 grinding tables, 3 first vibrating motors, 4 abrasive bodies, fixed block on 5,6 springs, 7 second vibrating motors, 8 grinding ponds, 9 grinding agents.
Detailed description of the invention
For clearly demonstrating the technical characterstic of this programme, below by detailed description of the invention, and in conjunction with its accompanying drawing, the present invention will be described in detail.Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.It should be noted that parts illustrated in the accompanying drawings are not necessarily drawn in proportion.Present invention omits the description of known assemblies and treatment technology and process to avoid unnecessarily limiting the present invention.
As shown in Figures 1 to 5, a kind of spring grinder of the present invention, it comprises base 1, grinding table 2, grinding pond 8, abrasive body 4, first vibrating motor 3 and the second vibrating motor 7; Described base 1 and grinding table 2 are cylinder and base and grinding table are integrated, and described grinding table 2 is arranged on base 1 top center and the diameter of grinding table is less than the diameter of base; Described grinding pond 8 is arranged on the top of grinding table and is bolted on grinding table, and described grinding pond is cylinder, and the interior bottom portion in grinding pond is evenly provided with some lower fixed block (not shown)s; Described abrasive body 4 is arranged on the top in grinding pond 8, and the internal diameter in grinding pond is greater than the diameter of abrasive body; The bottom even of abrasive body 4 is provided with some upper fixed blocks 5, and be arranged on upper fixed block bottom abrasive body 5 and be arranged on lower fixed block one_to_one corresponding grind pond interior bottom portion, and between the upper fixed block and lower fixed block of correspondence, place the spring 6 needing to process; Be filled with grinding agent 9 in described grinding pond, the top of described grinding agent 9 is higher than the top of spring; The first described vibrating motor 3 and the second vibrating motor 7 are symmetricly set on the both sides of abrasive body, and the axis of the rotating shaft of the first vibrating motor and the second vibrating motor and the axis being parallel of abrasive body, the first described vibrating motor 3 is identical with the performance indications of the second vibrating motor 7, rotation direction is identical; Described base 1, grinding table 2, grinding pond 8 and the axis collinear of abrasive body 4.
As further scheme, fixed piece 5 and lower fixed block are cylinder, and the corresponding in opposite directions end structure of upper fixed block 5 and lower fixed block is identical, the axis of described upper fixed block and lower fixed block is evenly distributed in the some concentric disc of axle centered by the axis of abrasive body.
As further scheme, described base is provided with fixing hole, base is by being bolted on ground through fixing hole.
As further scheme, described grinding agent 9 can adopt in liquid grinding agent, paste grinding agent and solid abrasive agent any one.
Present invention also offers a kind of spring Ginding process, it comprises following process:
Set up coordinate system: with the center of circle of the end face of the lower support circle of spring for the origin of coordinates, to be positioned at the straight line in the center of circle of the end face of the lower support circle through spring of the end face of the lower support circle of spring for z-axis, with be positioned at the end face of the lower support circle through spring of the end face of the lower support circle of spring the center of circle and perpendicular to the straight line of z-axis for y-axis, rectangular coordinate system in space is set up for x-axis, as shown in Figure 6 with the center of circle of the end face of the lower support circle through spring and perpendicular to the straight line of z-axis and y-axis.
Fixing spring: be fixed on by the lower support circle of spring on the lower fixed block in grinding pond, upper bracing ring is fixed on the upper fixed block bottom abrasive body, and in the grinding agent that spring is immersed in grinding pond.
Grind: start the first vibrating motor and the second vibrating motor, the end face of the upper bracing ring of spring applies a power Fx along x-axis, size and the upper bracing ring when spring of Fx, contact line length between lower support circle and coil slightly larger than this mean diameter of coil three/service load is equal for the moment, the side of the upper bracing ring of spring applies a power Fy along y-axis and the power Fz along z-axis respectively, make spring under the effect of power Fy and power Fz, start reciprocal dither, by being filled in the upper bracing ring of spring, grinding agent between lower support circle and coil is to the upper bracing ring of spring, high frequency fine motion grinding is carried out between lower support circle and coil, and then the upper bracing ring eliminated when spring, contact line length between lower support circle and coil is greater than the upper bracing ring of three/for the moment spring of this mean diameter of coil, the point cantact existed between lower support circle and coil, thus realize the upper of spring, continuous lines contact between lower support circle and coil.
In said method, the size of described power Fx and the upper bracing ring of spring, lower support circle and the contact line length between coil slightly larger than this mean diameter of coil three/service load is equal for the moment; Described power Fy and power Fz is the active force of mechanical periodicity, and the direction of power Fy and power Fz remains the axes normal with spring.
In said method, described grinding agent comprise in liquid grinding agent, paste grinding agent and solid abrasive agent any one.
During spring grinder work of the present invention, upper according to described spring, contact line length between lower support circle and coil is slightly larger than three/service load for the moment of this mean diameter of coil, the weight of setting abrasive body, the size making abrasive body be applied to the power Fx of each spring equals to work as the upper of spring, contact line length between lower support circle and coil is slightly larger than three/service load for the moment of this mean diameter of coil, under the effect of power Fx, the upper bracing ring of described spring all contacts with the coil of spring with lower support circle, open the power switch of the first vibrating motor and the second vibrating motor, by the first vibrating motor and the second vibrating motor for abrasive body provides power, spring is driven to do reciprocal dither by abrasive body, thus cause the upper of spring, contact line length between lower support circle and coil slightly larger than this mean diameter of coil three/for the moment, the upper bracing ring of spring and the high frequency changing of the relative positions a little (high frequency fine motion) between lower support circle and coil, now, grinding agent enters the upper of spring respectively, between lower support circle and coil, realize the upper bracing ring of spring, grinding between lower support circle and coil, and then the upper of spring is worked as in elimination, contact line length between lower support circle and coil slightly larger than this mean diameter of coil three/for the moment spring is upper, point cantact between lower support circle and coil, thus realize the upper of spring, lower support circle contacts with the continuous lines between coil.
As shown in Figure 7, significantly, the present invention can also do other and change, such as: the fixed form of spring changes into and utilizes upper and lower fixed block to carry out the fixing mode of outer ring support.
In addition, range of application of the present invention is not limited to the technique of the specific embodiment described in description, mechanism, manufacture, material composition, means, method and step.From disclosure of the present invention, to easily understand as those of ordinary skill in the art, for the technique existed at present or be about to develop, mechanism, manufacture, material composition, means, method or step later, wherein their perform the identical function of the corresponding embodiment cardinal principle that describes with the present invention or obtain the identical result of cardinal principle, can apply according to the present invention to them.Therefore, claims of the present invention are intended to these technique, mechanism, manufacture, material composition, means, method or step to be included in its protection domain.
Claims (10)
1. a spring grinder, is characterized in that, comprises base, grinding table, grinding pond, abrasive body, the first vibrating motor and the second vibrating motor; Described base and grinding table are cylinder, and described grinding table is arranged on base top center and the diameter of grinding table is less than the diameter of base; Described grinding pond is arranged on the top of grinding table, and described grinding pond is cylinder, and the interior bottom portion in grinding pond is evenly provided with some lower fixed blocks; Described abrasive body is arranged on above grinding pond, the bottom even of abrasive body is provided with some upper fixed blocks, and be arranged on upper fixed block bottom abrasive body and be arranged on lower fixed block one_to_one corresponding grind pond interior bottom portion, and between the upper fixed block and lower fixed block of correspondence, place the spring needing to process; Be filled with grinding agent in described grinding pond, the top of described grinding agent is higher than the top of spring; The first described vibrating motor and the second vibrating motor are symmetricly set on the both sides of abrasive body, and the axis of the rotating shaft of the first vibrating motor and the second vibrating motor and the axis being parallel of abrasive body; The axis collinear of described base, grinding table, grinding pond and abrasive body.
2. a kind of spring grinder according to claim 1, is characterized in that, described base and grinding table are integrated.
3. a kind of spring grinder according to claim 1, is characterized in that, described grinding pond is bolted on grinding table.
4. a kind of spring grinder according to claim 1, is characterized in that, fixed piece is cylinder with lower fixed block, and the axis of described upper fixed block and lower fixed block is evenly distributed in the some concentric disc of axle centered by the axis of abrasive body.
5. a kind of spring grinder according to claim 1, is characterized in that, described base is provided with fixing hole, and base is by being bolted on ground through fixing hole.
6. a kind of spring grinder according to claim 1, is characterized in that, the first described vibrating motor is identical with the performance indications of the second vibrating motor, rotation direction is identical.
7. a kind of spring grinder according to claim 1, is characterized in that, the internal diameter in described grinding pond is greater than the diameter of abrasive body.
8. a spring Ginding process for the spring grinder described in any one of claim 1 to 7, is characterized in that, comprises following process:
Set up coordinate system: with the center of circle of the end face of the lower support circle of spring for the origin of coordinates, to be positioned at the straight line in the center of circle of the end face of the lower support circle through spring of the end face of the lower support circle of spring for z-axis, to be positioned at the center of circle of the end face of the lower support circle through spring of the end face of the lower support circle of spring and perpendicular to the straight line of z-axis for y-axis, to set up rectangular coordinate system in space with the center of circle of the end face of the lower support circle through spring and perpendicular to the straight line of z-axis and y-axis for x-axis;
Fixing spring: be fixed on by the lower support circle of spring on the lower fixed block in grinding pond, upper bracing ring is fixed on the upper fixed block bottom abrasive body, and in the grinding agent that spring is immersed in grinding pond;
Grind: start the first vibrating motor and the second vibrating motor, the end face of the upper bracing ring of spring applies a power Fx along x-axis, size and the upper bracing ring when spring of Fx, contact line length between lower support circle and coil slightly larger than this mean diameter of coil three/service load is equal for the moment, the side of the upper bracing ring of spring applies a power Fy along y-axis and the power Fz along z-axis respectively, make spring under the effect of power Fy and power Fz, start reciprocal dither, by being filled in the upper bracing ring of spring, grinding agent between lower support circle and coil is to the upper bracing ring of spring, high frequency fine motion grinding is carried out between lower support circle and coil, and then the upper bracing ring eliminated when spring, contact line length between lower support circle and coil is greater than the upper bracing ring of three/for the moment spring of this mean diameter of coil, the point cantact existed between lower support circle and coil, thus realize the upper of spring, continuous lines contact between lower support circle and coil.
9. spring Ginding process according to claim 8, is characterized in that, the size of described power Fx and the upper bracing ring of spring, lower support circle and the contact line length between coil slightly larger than this mean diameter of coil three/service load is equal for the moment; Described power Fy and power Fz is the active force of mechanical periodicity, and the direction of power Fy and power Fz remains the axes normal with spring.
10. spring Ginding process according to claim 8, is characterized in that, described grinding agent comprise in liquid grinding agent, paste grinding agent and solid abrasive agent any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557481.6A CN104354094B (en) | 2014-10-20 | 2014-10-20 | A kind of spring grinder and Ginding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557481.6A CN104354094B (en) | 2014-10-20 | 2014-10-20 | A kind of spring grinder and Ginding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104354094A true CN104354094A (en) | 2015-02-18 |
| CN104354094B CN104354094B (en) | 2016-08-24 |
Family
ID=52521452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557481.6A Expired - Fee Related CN104354094B (en) | 2014-10-20 | 2014-10-20 | A kind of spring grinder and Ginding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104354094B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1389999A1 (en) * | 1986-08-07 | 1988-04-23 | Волгоградский Политехнический Институт | Arrangement for working parts |
| SU1757800A1 (en) * | 1989-07-26 | 1992-08-30 | Проектно-Конструкторско-Технологическое Бюро По Вагонам | Method of grinding spring ends |
| CN2335740Y (en) * | 1998-08-20 | 1999-09-01 | 刘清良 | Spring lapping machine |
| JP2000006011A (en) * | 1998-06-19 | 2000-01-11 | Speedfam Co Ltd | Sticking-cum-drilling device |
| CN2413847Y (en) * | 2000-03-24 | 2001-01-10 | 齐齐哈尔铁路车辆(集团)有限责任公司 | Column spiral sprind end grinding machine |
| CN202622545U (en) * | 2012-05-15 | 2012-12-26 | 东莞安力五金塑胶制品有限公司 | Spring end face grinding jig |
| CN103331691A (en) * | 2013-05-22 | 2013-10-02 | 浙江工业大学 | Floating disc suspension polishing device |
| CN204135865U (en) * | 2014-10-20 | 2015-02-04 | 济南大学 | A kind of EMUs spring grinder |
-
2014
- 2014-10-20 CN CN201410557481.6A patent/CN104354094B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1389999A1 (en) * | 1986-08-07 | 1988-04-23 | Волгоградский Политехнический Институт | Arrangement for working parts |
| SU1757800A1 (en) * | 1989-07-26 | 1992-08-30 | Проектно-Конструкторско-Технологическое Бюро По Вагонам | Method of grinding spring ends |
| JP2000006011A (en) * | 1998-06-19 | 2000-01-11 | Speedfam Co Ltd | Sticking-cum-drilling device |
| CN2335740Y (en) * | 1998-08-20 | 1999-09-01 | 刘清良 | Spring lapping machine |
| CN2413847Y (en) * | 2000-03-24 | 2001-01-10 | 齐齐哈尔铁路车辆(集团)有限责任公司 | Column spiral sprind end grinding machine |
| CN202622545U (en) * | 2012-05-15 | 2012-12-26 | 东莞安力五金塑胶制品有限公司 | Spring end face grinding jig |
| CN103331691A (en) * | 2013-05-22 | 2013-10-02 | 浙江工业大学 | Floating disc suspension polishing device |
| CN204135865U (en) * | 2014-10-20 | 2015-02-04 | 济南大学 | A kind of EMUs spring grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104354094B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203418389U (en) | Wafer chamfering machine | |
| CN106312796A (en) | Planarization machining device and single-face and double-face planarization machining system | |
| CN105690252A (en) | Polishing device for machining hardware parts | |
| CN107962407A (en) | A kind of multi-functional frock clamp | |
| CN204584924U (en) | A kind of comprehensive quick sander | |
| CN106272058B (en) | A kind of grinding machine with fixed function | |
| CN109015292A (en) | A kind of steel wire derusting apparatus applied in machining | |
| CN204135865U (en) | A kind of EMUs spring grinder | |
| CN105252369A (en) | End face burr removing device for springs | |
| CN105058254A (en) | Large-size radial ultrasonic auxiliary end face grinding abrasive disk | |
| CN205497177U (en) | Crystal bar processing equipment and be used for main shaft mechanism of this equipment | |
| CN104354094A (en) | Spring grinding machine and grinding method | |
| CN211841508U (en) | Plane grinding and polishing machine | |
| CN102528646A (en) | Semiconductor grinding method | |
| CN209681794U (en) | A kind of working equipment of grinding tool equipment | |
| CN103707189A (en) | Plate type clamp grinding machine | |
| CN203956663U (en) | Be applicable to the chamfered device of axle class processing | |
| CN205968495U (en) | Grinding frock of bearing inner race terminal surface | |
| CN211940143U (en) | Vertical cylindrical grinding machine | |
| CN211388164U (en) | Five-axis numerical control abrasive belt grinding machine | |
| CN207104554U (en) | Grind grinding head device in angle for glass grinder | |
| CN206632847U (en) | A kind of grinder auxiliary polishing device | |
| CN211219939U (en) | Polishing device for machining of Hall switch parts | |
| CN203330864U (en) | High-frequency low-amplitude vibrating polishing machine | |
| CN203221387U (en) | Deburring grinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20201020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |