CN106670898A - Roller surface current decreasing type grinding process - Google Patents
Roller surface current decreasing type grinding process Download PDFInfo
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- CN106670898A CN106670898A CN201710015295.3A CN201710015295A CN106670898A CN 106670898 A CN106670898 A CN 106670898A CN 201710015295 A CN201710015295 A CN 201710015295A CN 106670898 A CN106670898 A CN 106670898A
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- grinding
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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Abstract
The invention belongs to the technical field of steel grinding, and particularly relates to a roller surface current decreasing type grinding process. The roller surface current decreasing type grinding process is characterized in that the process sequentially comprises the steps that (1) rough grinding is conducted, specifically, the grinding current is controlled to be 40-50 A, the grinding wheel linear speed is 35-45 m/s, the number of revolutions of a headstock is 30-40 r/min, the large carriage speed is 2-3 m/min, and the current is 40-50 A; and accurate grinding is conducted, specifically, a grinding mode that the grinding current is decreased gradually is adopted, namely, the current of each grinding pass is smaller than that of the last pass by 5A, the grinding mode consists of five passes totally, and the whole grinding process is finished till the grinding current reaches 15-20 A. Some common defects such as spiral laminations, scratches and chatter marks prone to occurring on a ground roller are overcome.
Description
Technical field
The invention belongs to iron and steel grinding technique field, and in particular to roller surface current step-down formula grinding process.
Background technology
Benxi steel plant He Kelizi grinding machines come into operation for 96 years, have run close 20 years, period do not had machinery and
The transformation of electrical system, ageing equipment is serious, runs and its unstable, and Jing chatter mark, the grinding of spiral lamination surface quality often occurs and lacks
Fall into；There is the unequal phenomenon of hardness in the emery wheel production domesticization that grinding machine is used, production domesticization emery wheel, increased spiral lamination, chatter mark and occurred
Risk；Grinding machine 20 years of operation comes, and method for grinding continues to use always grinding program and the process that H beds are carried, and cannot meet
The grinding quality requirement for increasingly improving.
The content of the invention
For posed problems above, the invention aims to solve in tradition grinding process at present, rolling after grinding
Easily there are some common defects such as spiral lamination, cut, chatter mark in roller.
New method for grinding, abandoned it is traditional grinding process is divided into three big step ways, but will all be ground
Journey is divided into two parts, i.e.,：Fine grinding two parts that high current, efficient corase grind and grinding electric current gradually successively decrease.
In the corase grind of Part I, grinding effect so can should be fully improved by grinding current control in 40~50A
Rate.
In the fine grinding of Part II, the grinding method that grinding electric current gradually successively decreases is employed.I.e. each is ground passage
The more previous passage of electric current reduce about 5A, until when grinding electric current reaches 15~20A, whole grinding process terminate.
The technique is comprised the following steps：
(1) roughly grind：Grinding current control is in 40~50A, 35~45m/s of grinding speed, the headstock 30~40r/ of revolution
Min, big 2~3m/min of carriage speeds, 40~50A of electric current；
(2) refine：The grinding method that grinding electric current gradually successively decreases is employed, i.e. the electric current of each grinding passage is more previous
Individual passage reduces about 5A, is always divided into five passages, for the passage of fine grinding 1~5 of successively decreasing, until when grinding electric current reaches 15~20A,
Whole grinding process terminate,
1 passage of fine grinding of successively decreasing：30~40m/s of grinding speed, the headstock 30~40r/min of revolution, big carriage speeds
1.5~2.5m/min, 35~40A of electric current.
2 passages of fine grinding of successively decreasing：25~35m/s of grinding speed, the headstock 20~30r/min of revolution, big carriage speeds 1
~2m/min, 30~35A of electric current.
3 passages of fine grinding of successively decreasing：25~35m/s of grinding speed, the headstock 20~30r/min of revolution, big carriage speeds
0.5~1m/min, 25~30A of electric current.
4 passages of fine grinding of successively decreasing：20~25m/s of grinding speed, the headstock 20~30r/min of revolution, big carriage speeds
0.5~1m/min, 20~25A of electric current.
5 passages of fine grinding of successively decreasing：20~25m/s of grinding speed, the headstock 10~15r/min of revolution, big carriage speeds
0.3m/min, 15~20A of electric current, draw greatly frame speed and select in 300mm/min or so.
Grinding parameter in the present invention, is suitable for the grinding that final roll surface roughness is Ra (0.6~1.2 μm)；
Using current step-down grinding process, grinding process is changed by original corase grind, half fine grinding, three sections of grinding process of fine grinding
For corase grind, two sections of grinding process of fine grinding.
In 5 passages of fine grinding, grinding electric current is decremented to the 5th passage 15-20 by the first passage 35-40,
In the 5th passage of the fine grinding that successively decreases, the revolution of roll is selected in 10~15r/min, frame speed is drawn greatly and is selected
300mm/min or so.
Description of the drawings
Below in conjunction with the accompanying drawings and embodiment the present invention is further detailed explanation：
Fig. 1 is traditional grinding process coordinate diagram；
Fig. 2 is the grinding process coordinate diagram after improving in the present invention.
Specific embodiment
Embodiment 1
First, it is abscissa by grinding process, grinding electric current is vertical coordinate, then, after tradition grinding being drawn and being improved
Grinding electric current --- grinding process coordinate diagram：
Tradition is completed to the grinding of roll using corase grind, half fine grinding, three big steps of fine grinding, the grinding work of this three big step
Skill parameter list is as follows：
| Grinding speed m/s | Roll revolution m/r | Big balladeur train feeding mm/min | |
| Corase grind | 33~35 | 30~35 | 2500 or so |
| Half refines | 25~30 | 35~40 | 1500 or so |
| Fine grinding | 20~25 | 40~50 | 800 or so |
The grinding concrete operation step that successively decreases after improvement is as follows：
(1) roughly grind：Grinding current control is in 40A, grinding speed 35m/s, headstock revolution 30r/min, big carriage speeds 2
~3m/min, 40~50A of electric current；
(2) refine：Successively decrease and refine 1 passage：Grinding speed 30m/s, headstock revolution 30r/min, big carriage speeds 1.5m/
Min, electric current 35A；
Successively decrease and refine 2 passages：Grinding speed 25m/s, headstock revolution 20r/min, big carriage speeds 1m/min, electric current
30A；
Successively decrease and refine 3 passages：Grinding speed 25m/s, headstock revolution 20r/min, big carriage speeds 0.5m/min, electric current
25A；
Successively decrease and refine 4 passages：Grinding speed 20m/s, headstock revolution 20r/min, big carriage speeds 0.5m/min, electric current
20A；
Successively decrease and refine 5 passages：Grinding speed 20m/s, headstock revolution 10r/min, big carriage speeds 0.3m/min, electric current
15A, draws greatly frame speed and selects in 300mm/min.
Can be seen that conventional grinding from Fig. 1,2 is a step-like grinding curve, and such curve has isolated operation
Continuity.In addition, from process quality relatedness principle it is known that traditional method for grinding of this voltage dip is difficult to eliminate thick
The polishing scratch of (or front a time) during mill, is unfavorable for improving the surface quality of roll, and in improved method for grinding, is ground electric current
The associated operation ring ring that uniformly successively decreases connects, the scuffing and spiral lamination when such method for grinding can preferably eliminate grinding, from
And be conducive to improving the grinding quality of roll.
Secondly, in last passage for grinding of successively decreasing, big carriage speeds, roll revolution are minimum, and especially roll turns
In 10~15r/min, the limit of roll revolution when breaching tradition fine grinding, extremely low roll revolution can be carried to greatest extent number
The stability of high lathe, falls below the probability that chatter mark occurs in roll minimum.
Modification by more than to grinding process, makes roll dressing quality improve, and not only reduces roll
There are Grinding defects and be repeatedly ground the electric loss of energy for causing, while reducing the consumption of grinding adjuvant, every year may be used through measuring and calculating
Reduce more than 730,000 yuan of cost of grinding.
Embodiment 2
(1) roughly grind：Grinding current control is in 50A, grinding speed 45m/s, headstock revolution 40r/min, big carriage speeds
3m/min, electric current 50A；
(2) refine：Successively decrease and refine 1 passage：Grinding speed 40m/s, headstock revolution 40r/min, big carriage speeds 2.5m/
Min, electric current 40A；
Successively decrease and refine 2 passages：Grinding speed 35m/s, headstock revolution 30r/min, big 1~2m/min of carriage speeds, electricity
Stream 35A；
Successively decrease and refine 3 passages：Grinding speed 35m/s, headstock revolution 30r/min, big carriage speeds 1m/min, electric current
30A；
Successively decrease and refine 4 passages：Grinding speed 25m/s, headstock revolution 30r/min, big carriage speeds 1m/min, electric current
25A；
Successively decrease and refine 5 passages：Grinding speed 25m/s, headstock revolution 15r/min, big carriage speeds 0.3m/min, electric current
20A, draws greatly frame speed and selects in 300mm/min.
Embodiment 3
(1) roughly grind：Grinding current control is in 45A, grinding speed 40m/s, headstock revolution 35r/min, big carriage speeds
2m/min, electric current 45A；
(2) refine：Successively decrease and refine 1 passage：30~40m/s of grinding speed, the headstock 30~40r/min of revolution, big balladeur train
1.5~2.5m/min of speed, electric current 38A；
Successively decrease and refine 2 passages：25~35m/s of grinding speed, the headstock 20~30r/min of revolution, big carriage speeds 1~
2m/min, electric current 33A；
Successively decrease and refine 3 passages：25~35m/s of grinding speed, the headstock 20~30r/min of revolution, big carriage speeds 0.5~
1m/min, electric current 28A；
Successively decrease and refine 4 passages：20~25m/s of grinding speed, the headstock 20~30r/min of revolution, big carriage speeds 0.5~
1m/min, electric current 23A；
Successively decrease and refine 5 passages：20~25m/s of grinding speed, the headstock 10~15r/min of revolution, big carriage speeds 0.3m/
Min, electric current 18A, draw greatly frame speed and select in 300mm/min.
Claims (6)
1. a kind of roller surface current step-down formula grinding process, it is characterised in that the technique includes roughly grinding and refining two steps successively：
(1) roughly grind：Grinding current control in 40~50A, 35~45m/s of grinding speed, the headstock 30~40r/min of revolution, greatly
2~3m/min of carriage speeds, 40~50A of electric current；
(2) refine：Employ the grinding method that grinding electric current gradually successively decreases, the i.e. more previous road of electric current of each grinding passage
Secondary reduction about 5A, is always divided into five passages, until when grinding electric current reaches 15~20A, whole grinding process terminate.
2. according to a kind of roller surface current step-down formula grinding process described in claim 1, it is characterised in that the essence of successively decreasing
Grind 1 passage：30~40m/s of grinding speed, the headstock 30~40r/min of revolution, big 1.5~2.5m/min of carriage speeds, electric current
35~40A.
3. according to a kind of roller surface current step-down formula grinding process described in claim 1, it is characterised in that the essence of successively decreasing
Grind 2 passages：25~35m/s of grinding speed, the headstock 20~30r/min of revolution, big 1~2m/min of carriage speeds, electric current 30~
35A。
4. according to a kind of roller surface current step-down formula grinding process described in claim 1, it is characterised in that the essence of successively decreasing
Grind 3 passages：25~35m/s of grinding speed, the headstock 20~30r/min of revolution, big 0.5~1m/min of carriage speeds, electric current 25
~30A.
5. according to a kind of roller surface current step-down formula grinding process described in claim 1, it is characterised in that the essence of successively decreasing
Grind 4 passages：20~25m/s of grinding speed, the headstock 20~30r/min of revolution, big 0.5~1m/min of carriage speeds, electric current 20
~25A.
6. according to a kind of roller surface current step-down formula grinding process described in claim 1, it is characterised in that successively decrease fine grinding 5
Passage：20~25m/s of grinding speed, the headstock 10~15r/min of revolution, big carriage speeds 0.3m/min, 15~20A of electric current,
Draw frame speed greatly to select in 300mm/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015295.3A CN106670898B (en) | 2017-01-10 | 2017-01-10 | Roller surface current step-down formula grinding process |
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|---|---|---|---|
| CN201710015295.3A CN106670898B (en) | 2017-01-10 | 2017-01-10 | Roller surface current step-down formula grinding process |
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| CN106670898A true CN106670898A (en) | 2017-05-17 |
| CN106670898B CN106670898B (en) | 2019-04-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788941A (en) * | 2018-07-06 | 2018-11-13 | 攀钢集团西昌钢钒有限公司 | A kind of method for grinding of CVC rolls |
| CN109440143A (en) * | 2018-12-26 | 2019-03-08 | 江苏科茂新材料科技有限公司 | Mirror surface ironworking technique |
| CN109794810A (en) * | 2018-10-24 | 2019-05-24 | 首钢京唐钢铁联合有限责任公司 | A method of removal roller surface defect |
| CN110193759A (en) * | 2019-05-13 | 2019-09-03 | 本钢板材股份有限公司 | A kind of high-precision cold roll grinding control method |
| CN113305649A (en) * | 2021-06-17 | 2021-08-27 | 广东韶钢松山股份有限公司 | Grinding method of high-strength tool steel roller for medium plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB118857A (en) * | 1917-04-05 | 1918-09-19 | William Emil Bock | Improvements in and relating to Machines for Grinding the Rollers of Roller Bearings, and like Articles. |
| CN101623848A (en) * | 2009-07-31 | 2010-01-13 | 哈尔滨工业大学 | Trimming method of metal-based diamond ball-end grinding wheel with minor diameter |
| CN102689243A (en) * | 2012-06-13 | 2012-09-26 | 鞍钢股份有限公司 | Method for grinding furnace roller |
| CN103128642A (en) * | 2011-11-29 | 2013-06-05 | 广州市珠峰电气有限公司 | Tile polishing machine and dedicated automatic-control electricity saving system |
| CN103231289A (en) * | 2013-05-21 | 2013-08-07 | 唐山瑞丰钢铁（集团）有限公司 | Grinding method for controlling roughness of surfaces of different rollers |
| CN105729260A (en) * | 2014-12-09 | 2016-07-06 | 重庆市金升机械配件制造有限公司 | Roller grinding process |
-
2017
- 2017-01-10 CN CN201710015295.3A patent/CN106670898B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB118857A (en) * | 1917-04-05 | 1918-09-19 | William Emil Bock | Improvements in and relating to Machines for Grinding the Rollers of Roller Bearings, and like Articles. |
| CN101623848A (en) * | 2009-07-31 | 2010-01-13 | 哈尔滨工业大学 | Trimming method of metal-based diamond ball-end grinding wheel with minor diameter |
| CN103128642A (en) * | 2011-11-29 | 2013-06-05 | 广州市珠峰电气有限公司 | Tile polishing machine and dedicated automatic-control electricity saving system |
| CN102689243A (en) * | 2012-06-13 | 2012-09-26 | 鞍钢股份有限公司 | Method for grinding furnace roller |
| CN103231289A (en) * | 2013-05-21 | 2013-08-07 | 唐山瑞丰钢铁（集团）有限公司 | Grinding method for controlling roughness of surfaces of different rollers |
| CN105729260A (en) * | 2014-12-09 | 2016-07-06 | 重庆市金升机械配件制造有限公司 | Roller grinding process |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788941A (en) * | 2018-07-06 | 2018-11-13 | 攀钢集团西昌钢钒有限公司 | A kind of method for grinding of CVC rolls |
| CN108788941B (en) * | 2018-07-06 | 2020-10-02 | 攀钢集团西昌钢钒有限公司 | Grinding method of CVC roller |
| CN109794810A (en) * | 2018-10-24 | 2019-05-24 | 首钢京唐钢铁联合有限责任公司 | A method of removal roller surface defect |
| CN109440143A (en) * | 2018-12-26 | 2019-03-08 | 江苏科茂新材料科技有限公司 | Mirror surface ironworking technique |
| CN110193759A (en) * | 2019-05-13 | 2019-09-03 | 本钢板材股份有限公司 | A kind of high-precision cold roll grinding control method |
| CN113305649A (en) * | 2021-06-17 | 2021-08-27 | 广东韶钢松山股份有限公司 | Grinding method of high-strength tool steel roller for medium plate |
| CN113305649B (en) * | 2021-06-17 | 2023-02-03 | 广东韶钢松山股份有限公司 | Grinding method of high-strength tool steel roller for medium plate |
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| CN106670898B (en) | 2019-04-19 |
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