CN106001958B - A kind of production method of smithwelding pulley - Google Patents
A kind of production method of smithwelding pulley Download PDFInfo
- Publication number
- CN106001958B CN106001958B CN201610418368.9A CN201610418368A CN106001958B CN 106001958 B CN106001958 B CN 106001958B CN 201610418368 A CN201610418368 A CN 201610418368A CN 106001958 B CN106001958 B CN 106001958B
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- CN
- China
- Prior art keywords
- welding
- spoke
- smithwelding
- pulley
- horse
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Classifications
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- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/08—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for flash removal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P25/00—Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress
Abstract
The present invention relates to a kind of production methods of smithwelding pulley, the smithwelding pulley includes wheel rim, spoke and wheel hub, the wheel hub, spoke are connected with wheel rim from-inner-to-outer, the wheel hub is equipped with step, the hub and spokes are done after clearance fit by step by being welded and fixed, welding groove between the hub and spokes is single side double V-groove, and the spoke is with wheel rim by being welded and fixed.The production method is the following steps are included: weldering front surface pretreatment；It is assembled before weldering；Install tooling horse additional；Weld preheating；Welding operation；Dehydrogenation；Remove tooling horse；Postwelding cleaning and inspection；Post weld heat treatment.Present invention effectively prevents the generations of bead crack, simplify production technology, improve production efficiency and reduce production cost.
Description
Technical field
The present invention relates to oil-well rig apparatus fields, more particularly, to a kind of production method of smithwelding pulley.
Background technique
Important energy source one of of the petroleum as modern industry, supply falls short of demand always in worldwide.Oil-well rig is set
Standby middle overhead traveling crane, tourist bus component middle pulley use smithwelding pulley, as shown in Fig. 2, original smithwelding pulley includes pulley rim 5, slides
Spoke 6 and pulley rim 7 are taken turns, in traditional smithwelding pulley production method, pulley spoke 6 is matched with pulley rim 7 by interference
It being welded after conjunction, welding groove is K-type groove, and pulley spoke 6 uses hot rolled steel plate, and pulley rim 7 is made by forging, due to
The cooling meat uneven deformation of the two is larger, so when pulley spoke 6 and pulley rim 7 carry out positioning welding, weld seam and heat
The zone of influence, which is easy to appear, traverses crackle, by welding technology measures such as change preheating step, tack weld sizes, still there is crackle
Occur.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of production side of smithwelding pulley is provided
Method, can not only effectively avoid the generation of weld crack defect, while can simplify production technology and improve production efficiency.
In order to achieve the above-mentioned object of the invention, technical solution provided by the invention is as follows:
A kind of production method of smithwelding pulley, the smithwelding pulley include wheel rim, spoke and wheel hub, the wheel hub, spoke and
Wheel rim from-inner-to-outer is sequentially connected, and step is equipped on the wheel hub, described hub and spokes one end is done gap by step and matched
By being welded and fixed after conjunction, the welding groove between the hub and spokes is single side double V-groove, the other end of the spoke with
For wheel rim by being welded and fixed, the welding groove between the spoke and wheel rim is single side double V-groove, the production method include with
Lower step:
The first step, weldering front surface pretreatment: the impurity within the scope of welding surface and its two sides 25mm, the impurity packet are removed
Include greasy dirt, oxide skin and iron rust；
It is assembled before second step, weldering: wheel hub, spoke and wheel rim from-inner-to-outer being sequentially connected and connect, wheel hub, spoke and wheel rim are made
It coincides at the center in horizontal and vertical direction；
Third step installs tooling horse additional: being mounted on " L " in the junction and spoke of spoke and wheel hub and the junction of wheel rim
Shape tooling horse, for the tooling horse installation site about bilateral symmetry at hub centre, tooling horse lower end and spoke spot welding are secured, wheel
Spoke and the tooling horse back lower surface of wheel hub junction fit with wheel hub upper surface, and the tooling of spoke and wheel rim junction is at once
Lower surface fits with wheel rim upper surface；
4th step, weld preheating: above-mentioned assembled component is put into heating furnace, in 200-350 DEG C of temperature of condition
Lower heat preservation is taken out after 2-3 hours；
5th step, welding operation: being subjected to after completing the 4th step, and welding operation is no more than the item of 2m/s in wind speed
It is carried out under part, welding method is flux-cored arc welding, and welding groove is single side double V-groove；
6th step, dehydrogenation: being put into smithwelding pulley in heating furnace after the completion of welding, under conditions of 200-350 DEG C
Carry out the dehydrogenation of 1-2h, then slow cooling to room temperature；
7th step, removal tooling horse 3: after smithwelding pulley is cooling, tooling horse 3 is removed, and welding position of polishing makes
2 upper surface of spoke is flat and smooth；
8th step, postwelding cleaning and inspection: after weld seam is cleaned out, region is removed to welded seam area, tooling horse 3
It carries out MT detection, when weld seam is defective, to reprocess welding region using flawless as criterion of acceptability, until smithwelding is sliding
Wheel reaches criterion of acceptability；
9th step, post weld heat treatment: qualified smithwelding pulley will be examined to carry out eliminating stress processing under the high temperature conditions.
In a kind of production method of smithwelding pulley of the present invention, the material that the welding operation in the 5th step uses is Φ
The flux-cored wire of 1.2mm, protective gas are the CO that purity is greater than 99.5%2。
In a kind of production method of smithwelding pulley of the present invention, the welding operation in the 5th step uses DC reverse connection,
Electric current 220A ± 10%, voltage 26V ± 7%, speed of welding 20cm/min ± 25%.
In a kind of production method of smithwelding pulley of the present invention, welding operation in the 5th step the following steps are included:
(1) spot temperature to be welded is measured by temperature-measuring gun before welding, guarantees to be subjected within the scope of preheating temperature；
(2) every welded carries out striking slag after one of weld seam, and eliminates intermediate layer stress processing using hammering method；
(3) weld seam after the completion of welding is wrapped up with rock wool, slows down temperature fall off rate.
According to the above technical scheme, a kind of production method of smithwelding pulley of the present invention has the advantages that
One, present invention eliminates the warm-up operations of tack welding operation and spoke, so that production technology is simplified, to be promoted
Production efficiency.
Two, welding groove of the invention is single side double V-groove, is clearance fit between wheel hub and spoke, is effectively prevented from
The generation of weld crack, improves the quality of smithwelding pulley.
Three, by using the present invention, the production cycle can effectively be shortened, to reduce production cost.
Detailed description of the invention
Fig. 1 is using the smithwelding pulley sectional view when assembled in production process of the present invention.
Fig. 2 is the smithwelding pulley sectional view using traditional smithwelding pulley production method production.
Specific embodiment
The present invention is explained in detail in the following with reference to the drawings and specific embodiments, in the hope of being more fully apparent from geography
Structure composition and application method of the invention are solved, but cannot be used as a limitation the scope of protection of the patent of the present invention.
A kind of production method of smithwelding pulley, as shown in Figure 1, the smithwelding pulley includes wheel rim 1, spoke 2 and wheel hub 4, institute
It states wheel hub 4, spoke 2 and 1 from-inner-to-outer of wheel rim to be sequentially connected, step, the wheel hub 4 and spoke 2 one is equipped on the wheel hub 4
End is done by step by being welded and fixed after clearance fit, and the welding groove between the wheel hub 4 and spoke 2 is single side V-type slope
Mouthful, for the other end of the spoke 2 with wheel rim 1 by being welded and fixed, the welding groove between the spoke 2 and wheel rim 1 is single side V
Type groove.The production method the following steps are included:
The first step, weldering front surface pretreatment: welding surface and greasy dirt, oxide skin, iron rust within the scope of the 25mm of two sides are removed
With other harmful substances；
Assembled before second step, weldering: wheel hub 4, spoke 2 and 1 from-inner-to-outer of wheel rim are sequentially connected and connect, and make wheel hub 4,2 and of spoke
Wheel rim 1 coincides at the center in horizontal and vertical direction, and control errors are in ± 1mm；
Third step installs tooling horse 3 additional: being respectively mounted in spoke 2 and the junction of the junction of wheel hub 4 and spoke 2 and wheel rim 1
There is L shape tooling horse 3,3 installation site of tooling horse is about bilateral symmetry, 3 installation site of tooling horse at 4 center of wheel hub
It avoids mitigating hole site, 3 lower end of tooling horse and 2 spot welding of spoke are secured, the 3 top following table of tooling horse of spoke 2 and 4 junction of wheel hub
Face fits with 4 upper surface of wheel hub, and spoke 2 is affixed with lower surface on the tooling horse 3 of 1 junction of wheel rim with 1 upper surface of wheel rim
It closes；
4th step, weld preheating: above-mentioned assembled component is put into heating furnace, at 200-350 DEG C of preheating temperature
Under the conditions of keep the temperature 2-3 hours after take out；
5th step, welding operation: being subjected to immediately after completing the 4th step, and welding operation is no more than 2m/s in wind speed
Under conditions of carry out, welding method is flux-cored arc welding, and welding groove is double V-groove, welding operation will the company of holding
Continuous property, must not be interrupted；
6th step, dehydrogenation: smithwelding pulley is put into heating furnace immediately after the completion of welding, in 200-350 DEG C of item
The dehydrogenation of 1-2h, then slow cooling to room temperature are carried out under part；
7th step, removal tooling horse 3: after smithwelding pulley is cooling, tooling horse 3 is removed, and welding position of polishing makes
Spoke upper surface is flat and smooth；
8th step, postwelding cleaning and inspection: after weld seam is cleaned out, region is removed to welded seam area, tooling horse 3
MT detection is carried out, using flawless as criterion of acceptability, if weld seam is defective, welding region is carried out to reprocess measure processing, until
Smithwelding pulley reaches criterion of acceptability；
9th step, post weld heat treatment: qualified smithwelding pulley will be examined to carry out eliminating stress processing under the high temperature conditions.
In a kind of production method of smithwelding pulley of the present invention, the material that the welding operation in the 5th step uses is Φ
The JQ.YJ501-1 flux-cored wire of 1.2mm, protective gas are the CO that purity is greater than 99.5%2。
In a kind of production method of smithwelding pulley of the present invention, the welding operation in the 5th step uses DC reverse connection,
Electric current 220A ± 10%, voltage 26V ± 7%, speed of welding 20cm/min ± 25%.
In a kind of production method of smithwelding pulley of the present invention, welding operation in the 5th step the following steps are included:
(1) spot temperature to be welded is measured by temperature-measuring gun before welding, guarantees to be subjected within the scope of preheating temperature；
(2) every welded carries out striking slag after one of weld seam immediately, and eliminates intermediate layer stress processing using hammering method,
The base material to root run, cap weld or weld edge is forbidden to hammer when hammering, hammering should be carried out carefully, to prevent from welding
It stitches metal or base material wrinkle is folded or cracking；
(3) weld seam after the completion of welding does isothermal holding with rock wool package immediately, prevents from cooling down too fast.
Unquestionably, there are also other similar in addition to the embodiments described above for a kind of production method of smithwelding pulley of the present invention
Structure composition and usage mode.To sum up, a kind of production method of smithwelding pulley of the present invention further includes other for this technology
It obviously converts and substitutes for the technical staff of field.
Claims (4)
1. a kind of production method of smithwelding pulley, which is characterized in that the smithwelding pulley includes wheel rim (1), spoke (2) and wheel hub
(4), the wheel hub (4), spoke (2) and wheel rim (1) from-inner-to-outer are sequentially connected, and step is equipped on the wheel hub (4), described
Wheel hub (4) and spoke (2) one end are done after clearance fit by being welded and fixed, between the wheel hub (4) and spoke (2) by step
Welding groove be single side double V-groove, the other end of the spoke (2) and wheel rim (1), which pass through, to be welded and fixed, the spoke (2)
Welding groove between wheel rim (1) is single side double V-groove, the production method the following steps are included:
The first step, weldering front surface pretreatment: removing the impurity within the scope of welding surface and its two sides 25mm, and the impurity includes oil
Dirty, oxide skin and iron rust；
It is assembled before second step, weldering: wheel hub (4), spoke (2) and wheel rim (1) from-inner-to-outer being sequentially connected and connect, wheel hub (4), wheel are made
Spoke (2) and wheel rim (1) coincide at the center in horizontal and vertical direction；
Third step installs tooling horse (3) additional: in spoke (2) and the junction of wheel hub (4) and the junction of spoke (2) and wheel rim (1)
It is mounted on L shape tooling horse (3), tooling horse (3) installation site is about bilateral symmetry, tooling horse at wheel hub (4) center
(3) lower end and spoke (2) spot welding are secured, lower surface and wheel hub (4) on the tooling horse (3) of spoke (2) and wheel hub (4) junction
Upper surface fits, and spoke (2) is affixed with lower surface on the tooling horse (3) of wheel rim (1) junction with wheel rim (1) upper surface
It closes；
4th step, weld preheating: above-mentioned assembled component is put into heating furnace, is protected under conditions of 200-350 DEG C of temperature
Temperature is taken out after 2-3 hours；
5th step, welding operation: being subjected to after completing the 4th step, and welding operation is under conditions of wind speed is no more than 2m/s
It carries out, welding method is flux-cored arc welding, and welding groove is single side double V-groove；
6th step, dehydrogenation: being put into smithwelding pulley in heating furnace after the completion of welding, carries out under conditions of 200-350 DEG C
The dehydrogenation of 1-2h, then slow cooling to room temperature；
7th step, removal tooling horse (3): after smithwelding pulley is cooling, tooling horse (3) are removed, and welding position of polishing makes
Spoke (2) upper surface is flat and smooth；
8th step, postwelding cleaning and examine: after weld seam is cleaned out, to welded seam area, tooling horse (3) remove region into
Row MT detection, using flawless as criterion of acceptability, when weld seam is defective, reprocesses welding region, until smithwelding pulley
Reach criterion of acceptability；
9th step, post weld heat treatment: qualified smithwelding pulley will be examined to carry out eliminating stress processing under the high temperature conditions.
2. a kind of production method of smithwelding pulley according to claim 1, which is characterized in that the welding in the 5th step
The material used is operated as the flux-cored wire of Φ 1.2mm, protective gas is the CO that purity is greater than 99.5%2。
3. a kind of production method of smithwelding pulley according to claim 1, which is characterized in that the welding in the 5th step
Operation uses DC reverse connection, electric current 220A ± 10%, voltage 26V ± 7%, speed of welding 20cm/min ± 25%.
4. a kind of production method of smithwelding pulley according to claim 1, which is characterized in that the welding in the 5th step
Operation the following steps are included:
(1) spot temperature to be welded is measured by temperature-measuring gun before welding, guarantees to be subjected within the scope of preheating temperature；
(2) every welded carries out striking slag after one of weld seam, and eliminates intermediate layer stress processing using hammering method；
(3) weld seam after the completion of welding is wrapped up with rock wool, slows down temperature fall off rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418368.9A CN106001958B (en) | 2016-06-15 | 2016-06-15 | A kind of production method of smithwelding pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418368.9A CN106001958B (en) | 2016-06-15 | 2016-06-15 | A kind of production method of smithwelding pulley |
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| Publication Number | Publication Date |
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| CN106001958A CN106001958A (en) | 2016-10-12 |
| CN106001958B true CN106001958B (en) | 2018-12-07 |
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| CN201610418368.9A Active CN106001958B (en) | 2016-06-15 | 2016-06-15 | A kind of production method of smithwelding pulley |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108382992A (en) * | 2018-04-28 | 2018-08-10 | 上海振华港机重工有限公司 | A kind of full grooving hardness wear-resistant pulley and its processing technology |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55164444A (en) * | 1979-06-11 | 1980-12-22 | Fukuyama Tanko Zoki Kk | Manufacturing of pulley wheel |
| KR20010002710A (en) * | 1999-06-17 | 2001-01-15 | 김형벽 | The manufacturing process of large size bull gear with welding type of forging material |
| US20060142102A1 (en) * | 2004-12-23 | 2006-06-29 | Mijo Radocaj | Pulley assembly |
| CN201255220Y (en) * | 2008-09-17 | 2009-06-10 | 玉环县竣博机械厂 | Double-web welded pulley |
| CN101913013B (en) * | 2010-08-18 | 2013-05-22 | 中信重工机械股份有限公司 | Process for assembling and welding middle-hard teeth surface welded gear |
| CN204308469U (en) * | 2014-11-10 | 2015-05-06 | 沪东中华造船(集团)有限公司 | A kind of horse plate for having the flat Butt Assembling of thickness of slab difference |
| CN104354776A (en) * | 2014-11-13 | 2015-02-18 | 湖南三特机械制造有限公司 | Welding type guide wheel body and production method thereof |
| CN204749715U (en) * | 2015-04-29 | 2015-11-11 | 常州市海之杰港口起重设备有限公司 | Single radials pulley is forged to ring |
| CN204729591U (en) * | 2015-04-29 | 2015-10-28 | 常州市海之杰港口起重设备有限公司 | The two web pulley of ring rolling |
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