CN106513950A - Grinding roller rotating surfacing process - Google Patents
Grinding roller rotating surfacing process Download PDFInfo
- Publication number
- CN106513950A CN106513950A CN201611102699.8A CN201611102699A CN106513950A CN 106513950 A CN106513950 A CN 106513950A CN 201611102699 A CN201611102699 A CN 201611102699A CN 106513950 A CN106513950 A CN 106513950A
- Authority
- CN
- China
- Prior art keywords
- built
- welding
- surfacing
- weldment
- preheating
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/044—Built-up welding on three-dimensional surfaces
- B23K9/046—Built-up welding on three-dimensional surfaces on surfaces of revolution
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention aims at providing a grinding roller rotating surfacing process. The surfacing process comprises the technological steps of (1) surface treatment before surfacing; (2) preheating treatment of welded parts; (3) surfacing processing of the welded parts; in the process of surfacing processing, the surfacing process includes the three steps of bond coat surfacing, reinforced layer surfacing and wearing layer surfacing; and (4) postweld heat treatment. Through the surfacing process, the surfacing uniformity is improved in the surfacing process; the surfacing density of the surfaces of welded parts can be effectively improved through high-speed rotation, the surfacing surface smoothness can be improved, the working efficiency of grinding rollers can be improved, the service life of the grinding rollers can be prolonged, and the use and replacement cost can be lowered.
Description
Technical field
The present invention relates to technique for overlaying field, particularly relate to rotate the application in terms of built-up welding, more particularly to a kind of mill
The rotation bead-welding technology of roller.
Background technology
With China's expanding economy, the living standard of people is also increased considerably, growth in the living standard, modern water
Mud, electric power etc. widely use milling apparatus, and in milling apparatus, mixing roll is the vitals crushed to material, and which makes
The height of yield is affected with the life-span not only, the safe operation of simultaneous grinding roller is even more the realization for determining that this enterprise brings benefits,
But in weld deposit process at this stage, as speed is not fixed during built-up welding, cause to occur weldment surface thickness in built-up welding not
One, the using effect of grinding roller is affected, is caused the uniformity ground in grinding not enough, is reduced production efficiency, while weldment surface
Variable thickness, can increase the difference of the frictional force and stress on weldment surface, reduce the service life of grinding roller, increase and change and use
Cost.
Therefore it provides a kind of rotation bead-welding technology of grinding roller, is processed to rotating built-up welding by the carrying out of butt-welding fitting
Processing, improves built-up welding uniformity during built-up welding, can effectively improve the built-up welding concentration on weldment surface by the rotation of high speed, carry
The smoothness of high facing surface, improves the work efficiency of grinding roller, increases the service life, and reduces using and replacement cost, just becomes
The problem of those skilled in the art's urgent need to resolve.
The content of the invention
It is an object of the invention to provide a kind of rotation bead-welding technology of grinding roller, to being rotated by the carrying out of butt-welding fitting
Built-up welding processing, improves built-up welding uniformity during built-up welding, can effectively improve the heap on weldment surface by the rotation of high speed
Weldering concentration, improves the smoothness of facing surface, improves the work efficiency of grinding roller, increases the service life, and reduction is used and is replaced with
This.
To solve technical problem described in background technology, the present invention is employed the following technical solutions：
A kind of rotation bead-welding technology of grinding roller, including bead-welding technology step is：
(1) built-up welding front surface is processed, and weldment is carried out surface burnishing part by chemical method or mechanical means before built-up welding
Reason, first passing through sand paper carries out surface polishing, the rust staining and impurity on surface is purged, then using ethanol or acetone to table
Face is further cleaned.
(2) weldment the pre-heat treatment, after the completion of removing surface, weldment is placed into preheat carry out in stove pre-add heat treatment,
Controllable adjustment is carried out to preheating the temperature in stove in heating, preheating temperature is divided into into three-level preheating, and the temperature for preheating sets
For 75 85 DEG C.
(3) weldment built-up welding processing, the weldment after the completion of preheating is placed in the rotating shaft in built-up welder carries out rotation built-up welding
Processing, weldment fix when held out against by the holding device at the rotating shaft two ends in built-up welder, in built-up welding the rotating speed of rotating shaft by
300r/min starts at the uniform velocity to improve, and proceeds by built-up welding processing, when built-up welding is processed, built-up welding is divided into three when being raised to 1200r/min
The individual stage, respectively：Prime coat built-up welding, enhancement layer built-up welding, wearing layer built-up welding.
(4) post weld heat treatment, after the completion of built-up welding, will detection it is qualified after weldment be tempered immediately after carry out heat treatment.
Preferably, preheating in described step 2 is divided into three times and is heated, and the preheating temperature of three times is set to：One
30 40 DEG C of secondary preheating, 55 65 DEG C of secondary preheating, 75 85 DEG C of three preheatings.
Preferably, during prime coat built-up welding in described step 3, the rotating speed of built-up welder rotating shaft is 1250r/min, prime coat
Thickness be set to 2.5mm.
Preferably, during enhancement layer built-up welding in described step 3, the rotating speed of built-up welder rotating shaft is 1300r/min, prime coat
Thickness be set to 1mm.
Preferably, during wearing layer built-up welding in described step 3, the rotating speed of built-up welder rotating shaft is 1350r/min.
Preferably, when the post weld heat treatment in described step 4 is first passed through and is heat-treated to 60 DEG C, carry out it is natural air cooled.
The present invention rotates built-up welding processing by the carrying out of butt-welding fitting, improves built-up welding uniformity during built-up welding, by height
The rotation of speed can effectively improve the built-up welding concentration on weldment surface, improve the smoothness of facing surface, improve the work of grinding roller
Efficiency, increases the service life, and reduces using and replacement cost, built-up welding is divided into three phases, respectively：Prime coat built-up welding, plus
Strong layer built-up welding, wearing layer built-up welding, improve the density and the uniformity of built-up welding by three-level built-up welding, reduce weldment surface frictional force and
The difference of stress, extends the service life of grinding roller.
The invention has the beneficial effects as follows：
1) built-up welding processing is rotated by the carrying out of butt-welding fitting, built-up welding uniformity during built-up welding is improved, by high speed
Rotation can effectively improve the built-up welding concentration on weldment surface.
2), improve facing surface smoothness, improve grinding roller work efficiency, increase the service life, reduce using and more
Change this into.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, the present invention will be made into one below
What is walked is discussed in detail.
A kind of rotation bead-welding technology of grinding roller, including bead-welding technology step is：
(1) built-up welding front surface is processed, and weldment is carried out surface burnishing part by chemical method or mechanical means before built-up welding
Reason, first passing through sand paper carries out surface polishing, the rust staining and impurity on surface is purged, then using ethanol or acetone to table
Face is further cleaned.
(2) weldment the pre-heat treatment, after the completion of removing surface, weldment is placed into preheat carry out in stove pre-add heat treatment,
Controllable adjustment is carried out to preheating the temperature in stove in heating, preheating temperature is divided into into three-level preheating, and the temperature for preheating sets
For 80 DEG C.
(3) weldment built-up welding processing, the weldment after the completion of preheating is placed in the rotating shaft in built-up welder carries out rotation built-up welding
Processing, weldment fix when held out against by the holding device at the rotating shaft two ends in built-up welder, in built-up welding the rotating speed of rotating shaft by
300r/min starts at the uniform velocity to improve, and proceeds by built-up welding processing, when built-up welding is processed, built-up welding is divided into three when being raised to 1200r/min
The individual stage, respectively：Prime coat built-up welding, enhancement layer built-up welding, wearing layer built-up welding.
(4) post weld heat treatment, after the completion of built-up welding, will detection it is qualified after weldment be tempered immediately after carry out heat treatment.
Further, preheating in described step 2 is divided into three times and is heated, and the preheating temperature of three times is set to：
Once 35 DEG C of preheating, 60 DEG C of secondary preheating, 80 DEG C of three preheatings.
Further, during prime coat built-up welding in described step 3, the rotating speed of built-up welder rotating shaft is 1250r/min, bottoming
The thickness of layer is set to 2.5mm.
Further, during enhancement layer built-up welding in described step 3, the rotating speed of built-up welder rotating shaft is 1300r/min, bottoming
The thickness of layer is set to 1mm.
Further, during wearing layer built-up welding in described step 3, the rotating speed of built-up welder rotating shaft is 1350r/min.
Further, when the post weld heat treatment in described step 4 is first passed through and is heat-treated to 60 DEG C, carrying out natural wind
It is cold.
Some one exemplary embodiments of the present invention are described above by way of explanation only, undoubtedly, for ability
The those of ordinary skill in domain, in the case of without departing from the spirit and scope of the present invention, can with a variety of modes to institute
The embodiment of description is modified.Therefore, foregoing description is inherently illustrative, and should not be construed as will to right of the present invention
Ask the restriction of protection domain.
Claims (6)
1. the rotation bead-welding technology of a kind of grinding roller, it is characterised in that be including bead-welding technology step：
(1) built-up welding front surface is processed, and weldment is carried out surface grinding process by chemical method or mechanical means before built-up welding, first
Surface polishing is carried out by sand paper, the rust staining and impurity on surface is purged, then surface is entered using ethanol or acetone
Row is further to be cleaned.
(2) weldment the pre-heat treatment, after the completion of removing surface, weldment is placed into preheat carry out in stove pre-add heat treatment, plus
Controllable adjustment is carried out to preheating the temperature in stove when hot, preheating temperature is divided into into three-level preheating, and the temperature for preheating is set to
75—85℃。
(3) weldment built-up welding processing, the weldment after the completion of preheating is placed in the rotating shaft in built-up welder to carry out rotating built-up welding processing,
Weldment is held out against by the holding device at the rotating shaft two ends in built-up welder when fixing, and in built-up welding, the rotating speed of rotating shaft is by 300r/
Min starts at the uniform velocity to improve, and proceeds by built-up welding processing, when built-up welding is processed, built-up welding is divided into three ranks when being raised to 1200r/min
Section, respectively：Prime coat built-up welding, enhancement layer built-up welding, wearing layer built-up welding.
(4) post weld heat treatment, after the completion of built-up welding, will detection it is qualified after weldment be tempered immediately after carry out heat treatment.
2. the rotation bead-welding technology of a kind of grinding roller according to claim 1, it is characterised in that pre- in described step 2
Heating is divided into three times and is heated, and the preheating temperature of three times is set to：Once preheat 30 40 DEG C, 55 65 DEG C of secondary preheating,
Preheat 75 85 DEG C three times.
3. a kind of rotation bead-welding technology of grinding roller according to claim 1, it is characterised in that beating in described step 3
During bottom built-up welding, the rotating speed of built-up welder rotating shaft is 1250r/min, and the thickness of prime coat is set to 2.5mm.
4. the rotation bead-welding technology of a kind of grinding roller according to claim 1, it is characterised in that it is in described step 3 plus
During strong layer built-up welding, the rotating speed of built-up welder rotating shaft is 1300r/min, and the thickness of prime coat is set to 1mm.
5. the rotation bead-welding technology of a kind of grinding roller according to claim 1, it is characterised in that resistance in described step 3
During mill layer built-up welding, the rotating speed of built-up welder rotating shaft is 1350r/min.
6. a kind of rotation bead-welding technology of grinding roller according to claim 1, it is characterised in that the weldering in described step 4
When heat treatment is first passed through and is heat-treated to 60 DEG C afterwards, carry out it is natural air cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102699.8A CN106513950A (en) | 2016-12-05 | 2016-12-05 | Grinding roller rotating surfacing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102699.8A CN106513950A (en) | 2016-12-05 | 2016-12-05 | Grinding roller rotating surfacing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106513950A true CN106513950A (en) | 2017-03-22 |
Family
ID=58354850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611102699.8A Pending CN106513950A (en) | 2016-12-05 | 2016-12-05 | Grinding roller rotating surfacing process |
Country Status (1)
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| CN (1) | CN106513950A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926744A (en) * | 2019-04-30 | 2019-06-25 | 大连海泰轴承制造有限公司 | A kind of bearing ring processing Ring Rolling Machine cone roller two metal solder method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1463752A (en) * | 1974-05-09 | 1977-02-09 | Maruma Jyusharyo Kk | Deposition welding apparatus |
| JPS62267079A (en) * | 1986-05-15 | 1987-11-19 | Kobe Steel Ltd | Roll automatic build-up welding method |
| CN2590713Y (en) * | 2002-12-05 | 2003-12-10 | 上海气焊机厂 | Full-automatic roller build-up welding machine |
| CN101104180A (en) * | 2006-07-14 | 2008-01-16 | 首钢总公司燕郊机械厂 | Technology for repairing semi-steel roller with flux-core welding wire built-up welding |
| CN101293300A (en) * | 2008-06-12 | 2008-10-29 | 上海施威焊接产业有限公司 | Renovation technique for phi2100x3400mm wrought steel support roll |
| CN101549424A (en) * | 2009-05-12 | 2009-10-07 | 常州金安冶金设备有限公司 | Submerged arc bead welding technique |
| CN102152058A (en) * | 2011-05-11 | 2011-08-17 | 天津冶金集团重型机械制造有限公司 | Surfacing repair method for large cold-rolled supporting roll |
| CN104002018A (en) * | 2014-06-23 | 2014-08-27 | 上海一钢机电有限公司 | Method for repairing open arc welding and surfacing of continuous casting roller of continuous casting fan-shaped section |
| CN106077891A (en) * | 2016-07-07 | 2016-11-09 | 苏州优霹耐磨复合材料有限公司 | Roll surface of roller press bead-welding technology |
-
2016
- 2016-12-05 CN CN201611102699.8A patent/CN106513950A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1463752A (en) * | 1974-05-09 | 1977-02-09 | Maruma Jyusharyo Kk | Deposition welding apparatus |
| JPS62267079A (en) * | 1986-05-15 | 1987-11-19 | Kobe Steel Ltd | Roll automatic build-up welding method |
| CN2590713Y (en) * | 2002-12-05 | 2003-12-10 | 上海气焊机厂 | Full-automatic roller build-up welding machine |
| CN101104180A (en) * | 2006-07-14 | 2008-01-16 | 首钢总公司燕郊机械厂 | Technology for repairing semi-steel roller with flux-core welding wire built-up welding |
| CN101293300A (en) * | 2008-06-12 | 2008-10-29 | 上海施威焊接产业有限公司 | Renovation technique for phi2100x3400mm wrought steel support roll |
| CN101549424A (en) * | 2009-05-12 | 2009-10-07 | 常州金安冶金设备有限公司 | Submerged arc bead welding technique |
| CN102152058A (en) * | 2011-05-11 | 2011-08-17 | 天津冶金集团重型机械制造有限公司 | Surfacing repair method for large cold-rolled supporting roll |
| CN104002018A (en) * | 2014-06-23 | 2014-08-27 | 上海一钢机电有限公司 | Method for repairing open arc welding and surfacing of continuous casting roller of continuous casting fan-shaped section |
| CN106077891A (en) * | 2016-07-07 | 2016-11-09 | 苏州优霹耐磨复合材料有限公司 | Roll surface of roller press bead-welding technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926744A (en) * | 2019-04-30 | 2019-06-25 | 大连海泰轴承制造有限公司 | A kind of bearing ring processing Ring Rolling Machine cone roller two metal solder method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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