CN109249121A - A kind of explosion welding method of large format tool steel-steel composite board - Google Patents
A kind of explosion welding method of large format tool steel-steel composite board Download PDFInfo
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- CN109249121A CN109249121A CN201811300469.1A CN201811300469A CN109249121A CN 109249121 A CN109249121 A CN 109249121A CN 201811300469 A CN201811300469 A CN 201811300469A CN 109249121 A CN109249121 A CN 109249121A
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
- B23K20/08—Explosive welding
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Abstract
The present invention relates to a kind of explosion welding methods of large format tool steel-steel composite board, belong to composite metal plate explosion welding technique field, method includes the following steps: Step 1: installing Substrate sheet and cladding same tool steel plate using parallel method；Step 2: contradicting the plate bursting that rises of one piece of metal material in the side of cladding same tool steel plate, and the region of plate bursting is played as region of detonating using this；Step 3: cladding same tool steel plate and the upper surface for playing the seam that plate bursting is formed are fully sealed by adhesive tape；Step 4: brushing one layer of butter in cladding same tool steel plate and the upper surface for playing plate bursting；Step 5: the detonator for being used for ignition charge has been placed in the detonation region of plate bursting formation in the upper surface cloth blasting charge of cladding same tool steel plate and plate bursting.It can prevent the high temperature in welding from conducting to the biggish internal stress of cladding same tool steel plate generation, improve welding quality, while non-solder mode reduces the amount of labour, improve the production efficiency of composite plate.
Description
Technical field
The present invention relates to composite metal plate explosion welding technique field more particularly to a kind of large format tool steel-steel are compound
The explosion welding method of plate.
Background technique
Explosive welding is a kind of special engineering welding technology, welds the metallic composite of formation, can have single
The comprehensive physical performance and processing performance of the be laid out quilt of metal material, and saving is a large amount of valuable in the case where equivalent application
Metal material, so that cost be greatly lowered.Currently, explosion welding technique have been widely used for petrochemical industry, machining,
The industrial circles such as metallurgy, aerospace, shipbuilding.In hot rolling mill Hot Rolling Mill, working roll and wear-resistant slide block, slide plate, memorial archway lining
Plate is typically chosen tool steel-steel explosive clad plate, and working face is with both abrasion resistance and hardness with higher, mounting surface had
The mechanical performance of good impact resistance, faying face is identical as Integral alloy steel.
Existing explosive welding mode generally uses parallel method, as shown in Figure 1, arranging basis, substrate, support pad, answering
Plate, explosive and detonator calculate proportion, explosion velocity, explosive thickness and the support pad height of explosive by the technological standards reached
Etc. each parameter, it is finally completed explosive welding.By repetition test, after Explosion composite, composite plate is easy to produce crackle, and crackle is multiple
The raw boundary in cladding same tool steel plate, main cause have:
1, the hardness of tool steel is higher, but brittleness is big, impact resistance is poor, and the high speed impact formed after explosive charge carries
Under lotus, it is easy to produce fracture, crackle；There are also Substrate sheets and cladding same tool steel plate when cutting, and also will appear cold work hardening,
Boundary is easy the case where being unevenly distributed on entire area there are hardness, and leads to crackle Producing reason；
2, initiation ends are located in recombination region, other than being influenced by boundary effect, there are also the reason is that explosive from ignite to
There are a periods for stationary detonation velocity, and within this period, explosive charge speed is unable to get stabilization, so that explosive is in compound plate
On actuating pressure it is small, metal jet needed for leading to be unable to get welding between the combination interface of boundary.
In order to solve the problem above-mentioned, solution is proposed in the prior art, as Authorization Notice No. is
The Chinese invention patent of CN103639585B, it discloses detonator zones in a kind of thick cladding zirconium/titanium/steel composite board Explosion composite
Control method, drip irrigation device are the ignition plate of precious metal material to be welded on compound plate, to complete outside composite area
Detonation, but precious metal material can be expended in this way, cause production cost to greatly improve；And playing plate bursting and complex laminate weldering
During connecing, due to heat transfer, the internal stress inside complex laminate will increase, and clad sheet steel is thicker, the time for needing to weld
Longer, the heat of such complex laminate accumulated inside is higher, and internal stress is bigger, and in explosive welding, detonation unevenly can direct shadow
Ring the welding quality of composite plate；In addition, not only needing veteran welding personnel by the way of welding, and welds and spend
Time is longer, influences explosion and connects production efficiency.
Summary of the invention
In order to solve the above problem in the prior art, the present invention provides a kind of large format tool steel-steel composite boards, lead to
Cross cladding same tool steel plate side contradict rise plate bursting, can prevent welding when high temperature conduct to cladding same tool steel plate generate compared with
Big internal stress improves welding quality, while non-solder mode reduces the amount of labour, improves the production effect of composite plate
Rate.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of large format tool steel-steel
The explosion welding method of composite plate, the tool steel-steel composite board include a Substrate sheet and a cladding same tool steel plate, the explosion
Welding method the following steps are included:
Step 1: installing Substrate sheet and cladding same tool steel plate using parallel method；
Step 2: contradicting a plate bursting of one piece of metal material in the side of cladding same tool steel plate, and the region of plate bursting is played with this
As detonation region, plays plate bursting and supported by the bracket of lower section, so that the upper surface for playing plate bursting and cladding same tool steel plate is coplanar；
Step 3: cladding same tool steel plate and the upper surface for playing the seam that plate bursting is formed are fully sealed by adhesive tape；
Step 4: brushing one layer of butter in cladding same tool steel plate and the upper surface for playing plate bursting；
Step 5: the detonator for being used for ignition charge has been placed in the upper surface cloth blasting charge of cladding same tool steel plate and plate bursting
The detonation region that plate bursting is formed.
It is docked using " non-solder " method by being contradicted in cladding same tool steel plate side by using above-mentioned technical proposal
Rise plate bursting, can prevent in traditional handicraft cladding same tool steel plate side be cut out plate bursting and to cladding same tool steel plate structure
It destroys either in the internal stress that plate bursting has been welded in cladding same tool steel plate side and is formed inside cladding same tool steel plate, improves
The welding quality of explosive clad plate, the material cost for saving more valuable cladding same tool steel plate；In addition, due to using non-weldering
The mode connect reduces the demand that veteran specific weld personnel are needed in traditional handicraft, and operation is simpler, also saves
A large amount of weld interval, improve the production efficiency of the product of explosive clad plate.
Further, in step 2, the upper surface of both plate bursting and cladding same tool steel plate has been guaranteed by adjusting bracket
Coplane degree, coplane degree require be 0.1mm.
By using above-mentioned technical proposal, plate bursting is coplanar with cladding same tool steel plate needs, in this way can be more accurate
Mat formation to explosive, guarantee explosive charge when can be stable reach detonation velocity, avoid occurring Substrate sheet after explosion
The case where with cladding same tool steel plate boundary conjugation, improve composite plate welding quality.,
Further, in step 2, to the end face brush coating that plate bursting and cladding same tool steel plate are connected to each other, conflict pair is then completed
It connects.
By using above-mentioned technical proposal, docking is contradicted after brush coating, enable to cladding same tool steel plate and plays plate bursting docking
It is even closer, be less prone to biggish gap, while can be avoided later period medicinal powder when explosive is mated formation fall into gap cause it is quick-fried
Failure when fried welding.
Further, in step 4, for guiding the primacord of explosive charge at least provided with two, at least two are led
Quick-fried rope is starting point to the opposite side straight-line dispersion of cladding same tool steel plate arrangement until the opposite side sideline of cladding same tool steel plate to play plate bursting
Or vertex.
By using above-mentioned technical proposal, two primacords are set, explosive can be guided quickly to explode, scattering device guarantees
In large format compound tense, explosive charge speed is more uniform, improves the welding rate of composite plate.
Further, in step 5, explosive is passed in the direction of plate bursting by the side of cladding same tool steel plate towards with gradient
The thickness arrangement of increasing extremely plays thereafter the maximum drug thickness uniform thickness that the end of plate bursting is incremented by with gradient until at the sideline of Substrate sheet
Degree arrangement.
By using above-mentioned technical proposal, the knot of entire cladding same tool steel plate is enabled to using not equal thickness cloth prescription formula
The bond strength uniformity for closing interface, due to the size not phase for the exciting force of different-thickness how to be generated after explosion
Together, Hong it is quick-fried during increase of the stress vibration wave in communication process that generates by a degree of containment, so as to
The stress oscillation intensity and tensile stress for reducing composite plate end, be conducive to eliminate the rupture that is easy to appear of end and welding be not easy it is existing
As.
Further, the model T8 of cladding same tool steel plate, dimensions are as follows: 2040 × 6040 × 10mm；Substrate sheet
Dimensions are as follows: 2000 × 6000 × 70mm, the height for the pad support being arranged between cladding same tool steel plate and Substrate sheet
For 8mm, explosive uses 2# rock explosive, explosion velocity 3000m/s.
By using above-mentioned technical proposal, due in initiation ends explosive from cap sensitive until being deposited with stationary detonation velocity detonation
In an accelerating sections, therefore, the impact velocity in explosive welding between Substrate sheet and cladding same tool steel plate is less than with stabilization
Impact velocity when explosion velocity detonation, it is lower so as to cause the impact pressure between two plates, occur that there are welded rates in initiation ends
Low problem, the length of cladding same tool steel plate is greater than the length of Substrate sheet, and flashpoint is led to symbol by igniting plate
It closes except region, ensures that stable explosion velocity can be reached when explosive detonation wave passes to compound position in this way.
Further, the model T10 of cladding same tool steel plate, dimensions are as follows: 1740 × 890 × 8mm；Substrate sheet
Model A3, dimensions are as follows: 1700 × 850 × 25mm, the pad support being arranged between cladding same tool steel plate and Substrate sheet
Height be 5mm, explosive use 2# rock explosive, explosion velocity 2700m/s.
Further, it in step 1, when being rectangular slab to cladding same tool steel plate, plays plate bursting and also uses rectangular slab, detonate
The docking location of plate is the middle part of the long side of cladding same tool steel plate.
By using above-mentioned technical proposal, when cladding same tool steel plate is rectangular slab, plate bursting is played in cladding same tool steel plate
Middle part docking, enables to Explosion composite since middle part, accelerates Explosion composite speed, is conducive to large format same tool steel plate and steel
Plate it is compound.
Further, the material for playing plate bursting selects
Plate and market value are lower than other metal plates of cladding same tool steel plate.
By using above-mentioned technical proposal, playing plate bursting both can choose use and same tool steel plate, can also use market price
Value is lower than iron plate, the steel plate etc. of same tool steel plate, can greatly reduce precious metal in this way, be herein the wave of the material of same tool steel plate
Take, greatly reduces composite plate production cost.
Further, bracket includes upper plate, lower plate and connecting plate, and upper plate, lower plate are parallel to each other, and connecting plate is connected in side
Upper plate and lower plate；The gap for bearing height=Substrate sheet thickness of bracket+formed between Substrate sheet and cladding same tool steel plate
Height.
By using above-mentioned technical proposal, the upper plate of bracket is used to support composite tool steel plate and plays plate bursting, under bracket
Plate is supported as bottom, and integral support is not only able to support plate bursting, can also be assisted cladding same tool steel plate and be played pair of plate bursting
It connects, keeps coplane degree between the two.
The invention has the following advantages:
1, present invention employs the non-solder techniques different from traditional handicraft, will play plate bursting and cladding same tool steel plate using conflict pair
The mode connect, plate bursting can choose the iron plate lower than cladding same tool steel plate market value, steel plate replaces, and reduce valuable gold
The consumption waste for belonging to material, is greatly reduced the production cost of Explosion composite；
2, plate bursting of the invention and cladding same tool steel plate use non-solder technique, it is therefore prevented that the heat generated in the welding process
Enter in cladding same tool steel plate and form internal stress, ensure that explosive Hong it is quick-fried during cladding same tool steel plate and Substrate sheet
It is uniformly compound, improve composite plate composite quality；
3, cladding same tool steel plate of the present invention and plate bursting use non-solder technique, compared to traditional handicraft, for operator's
Technical level requires to reduce, and eliminates weld interval, improves the production efficiency of composite plate on the whole, while also saving energy
Source consumption；
4, it is supported, can have been guaranteed smooth between plate bursting and cladding same tool steel plate to plate bursting is played using bracket in the present invention
Alignment, ensure that in Explosion composite, the continuity of explosive charge.
Detailed description of the invention
Fig. 1 is traditional handicraft using parallel method explosion cladding structure schematic diagram；
Fig. 2 is the front view of explosion cladding structure of the present invention；
Fig. 3 is the top view of explosion cladding structure of the present invention；
Fig. 4 is the front view of supporting structure of the present invention；
Fig. 5 is the top view of supporting structure of the present invention.
Appended drawing reference
In attached drawing, 1, sand base；2, Substrate sheet；3, gasket；4, cladding same tool steel plate；5, explosive；6, detonator；7, it detonates
Plate；8, bracket；81, upper plate；82, lower plate；83, connecting plate；9, primacord；10, adhesive tape.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.
Embodiment one
Firstly, Fig. 2 is the front view of explosion cladding structure of the present invention referring to Fig. 2 and Fig. 3, Fig. 3 is explosion cladding structure of the present invention
Top view.As shown in Figures 2 and 3, large format of the invention tool steel-steel composite board includes a Substrate sheet 2 and a cladding
Same tool steel plate (4) sets Substrate sheet 2 and cladding same tool steel plate (4) as rectangular slab, explosive welding side in the present embodiment
Method the following steps are included:
Step 1: installing Substrate sheet 2 and cladding same tool steel plate (4) using parallel method.
Specifically, the Substrate sheet 2 of selection and the model and dimensions of cladding same tool steel plate (4) are as follows: Substrate sheet 2
For A3, having a size of 2000 × 6000 × 70, unit mm；Cladding same tool steel plate (4) is T8, single having a size of 2040 × 6040 × 10
Position mm.By Substrate sheet 2 and cladding same tool steel plate (4) first use grinder buffing, remove the oxide skin on surface, then with sized flap wheel,
Sand paper is processed by shot blasting, 0.5 μ of roughness of the faying face of Substrate sheet 2 and cladding same tool steel plate (4) after processed
m≤Ra≤1.5μm.It should be noted that in the size selection of Substrate sheet 2 and cladding same tool steel plate (4), cladding same tool steel plate
(4) it should be greater than Substrate sheet 2.It selects to form sand base 1 based on sand ground, places Substrate sheet 2 according to parallel method,
The positioned spacers 3 on Substrate sheet 2,3 height of gasket are 8mm, and cladding same tool steel plate (4) is placed on gasket 3 later, are calibrated
Cladding same tool steel plate (4) makes cladding same tool steel plate (4) and 2 keeping parallelism of Substrate sheet.
Step 2: contradicting a plate bursting 7 of one piece of metal material in the side of cladding same tool steel plate (4), and detonated with this
It plays plate bursting 7 as detonation region and is supported by the bracket 8 of lower section, so that playing plate bursting 7 and cladding same tool steel plate (4) in the region of plate 7
Upper surface it is coplanar.
Specifically, cut obtain one piece of rectangle rise plate bursting 7, rise plate bursting 7 be metal material, rise a plate bursting 7 can choose for
With the same tool steel plate of the same material of cladding same tool steel plate (4)；In order to reducing the consumption of precious metal, cost is reduced, it can also
It include but is not limited to iron plate, steel plate with selection, as long as can satisfy, detonation is required and market value is lower than cladding same tool steel plate (4)
Metal plate can be used as plate bursting 7 use.Select the midpoint of the long side of cladding same tool steel plate (4) as the peace for playing plate bursting 7
It decorates, bracket 8 is placed on the basis of the long side side of cladding same tool steel plate (4), plate bursting 7 will be played and be placed in 8 top of bracket, it will
Rise docking end face and the cladding same tool steel plate (4) of plate bursting 7 to dock opposite inconsistent, finally to cladding same tool steel plate (4) and
Plate bursting 7 carries out horizontal alignment, while guaranteeing that cladding same tool steel plate (4) and a plate bursting 7 keep coplanar, and staff can be used flat
Face degree detector detects coplane degree, and coplane degree requires to be 0.1mm.
In conjunction with referring to Fig. 4 and Fig. 5, Fig. 4 is the top view of explosion cladding structure of the present invention, and Fig. 5 is 8 structure of bracket of the present invention
Top view.As shown in Figure 4 and Figure 5, according to the technique and scheme of the present invention, bracket 8 includes upper plate 81, lower plate 82 and connecting plate
83, upper plate 81 and plate are parallel to each other, and connecting plate 83 connects upper plate 81 and lower plate 82 in side.Further, the length of upper plate 81
Less than or equal to the length of lower plate 82.The material selection of bracket 8 is wooden, and the dimensions of upper plate 81 and lower plate 82 is 1200
× 80 × 5, unit mm.During installation, bracket 8 is placed on the detonation side of cladding same tool steel plate (4), and the bearing height of bracket 8 is set
Be set to H, Substrate sheet 2 with a thickness of a, the height in the gap formed between Substrate sheet 2 and cladding same tool steel plate (4) is b, H=
a+b。
It is contacted closely in order to make cladding same tool steel plate (4) and play plate bursting 7, while guaranteeing the continuous of blast process
Property, according to the technique and scheme of the present invention, in cladding same tool steel plate (4) and brush coating processing on the end face that plate bursting 7 is connected to each other is played, then
The two is contacted and is docked.
Step 3: cladding same tool steel plate (4) and the upper surface for playing the seam that plate bursting 7 is formed is complete by adhesive tape 10
Sealing.
Specifically, from one of seam to other end use 10 adhering and sealing of adhesive tape, it is therefore an objective to it is subsequent mat formation it is fried
When medicine 5, avoids 5 powder of explosive from entering and cause to explode in seam in Explosion composite in seam, substantially increase the technology of the present invention
The Explosion composite quality of scheme.In addition, the thickness of adhesive tape 10 should be no more than 0.5mm.
Step 4: brushing one layer of butter in cladding same tool steel plate (4) and the upper surface for playing plate bursting 7.
Specifically, due to the surface of meeting ablation cladding same tool steel plate (4) in blast process of explosive 5, in cladding tool steel
One layer of butter is brushed in plate (4) and the upper surface for playing plate bursting 7, can prevent ablation, brushing butter with a thickness of 1-2mm.
Step 5: ignition charge 5 will be used in the upper surface cloth blasting charge 5 of cladding same tool steel plate (4) and plate bursting 7
Detonator 6 has been placed in the detonation region of the formation of plate bursting 7.
Specifically, first make medicine frame, later will by test prepare explosive 5 be arranged in cladding same tool steel plate (4) and
Play the upper surface for the butter brushed in plate bursting 7.According to the technique and scheme of the present invention, explosive 5 by cladding same tool steel plate (4) side
Towards rise plate bursting 7 direction with gradient be incremented by thickness arrangement until Substrate sheet 2 sideline, by Substrate sheet 2 sideline extremely
Play the maximum drug thickness equal thickness cloth medicine that the terminal region of plate bursting 7 is incremented by with gradient.Explosive 5 selects 2# rock explosive, and 2# rock
The parameter of stone explosive are as follows: explosion velocity 3000m/s, density are that the drug thickness of the not initiation ends of equal thickness cloth medicine is selected as 35mm, end
Drug thickness is 28mm.The upper surface for playing plate bursting 7 is the detonation region of Explosion composite, and detonator 6 is inserted vertically into explosive 5, and
The hexogen of 3-5mg is added within the scope of the surrounding 3-7mm of detonator 6.
According to the technique and scheme of the present invention, in order to guide, accelerate the explosion of explosive 5, to realize the continuous of large area
Welding, is arranged at least two primacords 9 in the explosive 5 of cladding same tool steel plate (4).Preferably, primacord 9 is set as two,
Two primacords 9 are respectively starting point to play plate bursting 7, are arranged to the opposite side straight-line dispersion of cladding same tool steel plate (4), primacord 9
End extends to the vertex of cladding same tool steel plate (4) opposite side or the sideline of opposite side.In addition, primacord 9 can be using powdery cream
Change explosive to replace, the explosion velocity of powdery emulsifying explosive is 4000m/s, is higher than 2# with 9 thickness of primacord that powdery emulsifying explosive is made into
Rock explosive 8mm, width 10mm.
Step 6: completing explosive welding by electromagnetic control apparatus detonating primer 6.
Step 7: the explosive clad plate after explosive welding is carried out annealing heat-treatment, the then leveling on level(l)ing machine, leveling
Obtained irregularity degree is not more than 5mm/m, finally shears the edge grinding of composite plate surrounding after cooling, by polishing, polishing, clearly
Large format tool steel-steel composite board of the invention is obtained after washing.
According to GB/T8165-1997 " stainless steel clad plates and strips ", JB4733-1996 " pressure vessel stainless steel
Explosive clad plate " composite plate examine requirement detect a flaw to the composite plate after explosion, the combination of result of detection surface recombination plate
Rate is 100%, composite plate flawless, no bulge.
Embodiment two
The difference is that, the model and dimensions of Substrate sheet 2 and cladding same tool steel plate (4) are as follows with embodiment one:
Substrate sheet 2 is A3, having a size of 1700 × 850 × 25, unit mm；Cladding same tool steel plate (4) is T10, having a size of 1740
× 890 × 8, unit mm, 3 height of gasket are 5mm.
5 explosion velocity of explosive is 2700m/s, and density is that the drug thickness of the not initiation ends of equal thickness cloth medicine is selected as 32mm, end
Drug thickness is 26mm.The upper surface for playing plate bursting 7 is the detonation region of Explosion composite, and detonator 6 is inserted vertically into explosive 5, and
The hexogen of 3-5mg is added within the scope of the surrounding 3-7mm of detonator 6.
According to GB/T8165-1997 " stainless steel clad plates and strips ", JB4733-1996 " pressure vessel stainless steel
Explosive clad plate " composite plate examine requirement detect a flaw to the composite plate after explosion, the combination of result of detection surface recombination plate
Rate is 100%, composite plate flawless, no bulge.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of explosion welding method of large format tool steel-steel composite board, which is characterized in that the tool steel-steel composite board
Including a Substrate sheet (2) and a cladding same tool steel plate (4), the explosion welding method the following steps are included:
Step 1: using parallel method installation Substrate sheet (2) and cladding same tool steel plate (4)；
Step 2: contradicting plate bursting (7) of one piece of metal material in the side of cladding same tool steel plate (4), and plate bursting is played with this
(7) plate bursting (7) are played and are supported by the bracket (8) of lower section, so that playing plate bursting (7) and cladding tool as detonation region in region
The upper surface of steel plate (4) is coplanar；
Step 3: cladding same tool steel plate (4) and the upper surface for playing the seam that plate bursting (7) are formed is complete by adhesive tape (10)
Sealing；
Step 4: brushing one layer of butter in cladding same tool steel plate (4) and the upper surface for playing plate bursting (7)；
Step 5: ignition charge (5) will be used in the upper surface cloth blasting charge (5) of cladding same tool steel plate (4) and plate bursting (7)
Detonator (6) be placed in plate bursting (7) formation detonation region in.
2. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that in step
In rapid two, the coplane degree of the upper surface of both plate bursting (7) and cladding same tool steel plate (4) is guaranteed by adjusting bracket (8), has been total to
Face degree requires to be 0.1mm.
3. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that in step
In rapid two, to the end face brush coating that plate bursting (7) and cladding same tool steel plate (4) are connected to each other, then complete to contradict docking.
4. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that in step
In rapid four, the primacord (9) for guiding explosive (5) to explode is at least provided with two, and at least two primacords (9) are to play plate bursting
(7) for starting point to the opposite side straight-line dispersion of cladding same tool steel plate (4) arrangement until cladding same tool steel plate (4) opposite side sideline or
Vertex.
5. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that in step
In rapid five, explosive (5) is arranged by the direction of the side of cladding same tool steel plate (4) plate bursting (7) towards with the thickness that gradient is incremented by
Until at the sideline of Substrate sheet (2), thereafter to the maximum drug thickness equal thickness cloth that the end for playing plate bursting (7) is incremented by with gradient
It sets.
6. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that cladding
The model T8 of same tool steel plate (4), dimensions are as follows: 2040 × 6040 × 10mm；The model A3 of Substrate sheet (2), size
Specification are as follows: 2000 × 6000 × 70mm, the height for the pad support (3) being arranged between cladding same tool steel plate (4) and Substrate sheet (2)
Degree is 8mm, and explosive (5) uses 2# rock explosive, explosion velocity 3000m/s.
7. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that cladding
The model T10 of same tool steel plate (4), dimensions are as follows: 1740 × 890 × 8mm；The model A3 of Substrate sheet (2), size rule
Lattice are as follows: 1700 × 850 × 25mm, the height for gasket (3) support being arranged between cladding same tool steel plate (4) and Substrate sheet (2)
For 5mm, explosive (5) uses 2# rock explosive, explosion velocity 2700m/s.
8. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that in step
In rapid one, when being rectangular slab to cladding same tool steel plate (4), plays plate bursting (7) and also use rectangular slab, play the docking location of plate bursting (7)
For the middle part of the long side of cladding same tool steel plate (4).
9. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that detonation
The material selection of plate (7) includes low with the same tool steel plate of the same material of cladding same tool steel plate (4), steel plate, iron plate and market value
In other metal plates of cladding same tool steel plate.
10. the explosion welding method of large format tool steel-steel composite board according to claim 1, which is characterized in that bracket
It (8) include upper plate (81), lower plate (82) and connecting plate (83), upper plate (81), lower plate (82) are parallel to each other, and connecting plate (83) is in one
Side connects upper plate (81) and lower plate (82)；Thickness+Substrate sheet (2) of bearing height=Substrate sheet (2) of bracket (8) and multiple
The height in the gap formed between layer same tool steel plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300469.1A CN109249121B (en) | 2018-11-02 | 2018-11-02 | Explosive welding method for large-breadth tool steel-steel composite plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300469.1A CN109249121B (en) | 2018-11-02 | 2018-11-02 | Explosive welding method for large-breadth tool steel-steel composite plate |
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| CN109249121A true CN109249121A (en) | 2019-01-22 |
| CN109249121B CN109249121B (en) | 2021-10-26 |
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