CN101733641A - Manufacturing method of large-calibre seamless titanium alloy barrel body - Google Patents
Manufacturing method of large-calibre seamless titanium alloy barrel body Download PDFInfo
- Publication number
- CN101733641A CN101733641A CN200910219593A CN200910219593A CN101733641A CN 101733641 A CN101733641 A CN 101733641A CN 200910219593 A CN200910219593 A CN 200910219593A CN 200910219593 A CN200910219593 A CN 200910219593A CN 101733641 A CN101733641 A CN 101733641A
- Authority
- CN
- China
- Prior art keywords
- spinning
- titanium alloy
- tube base
- bore
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a manufacturing method of a large-calibre seamless titanium alloy barrel body, which comprises the steps of: 1, casting: casting titanium alloy raw materials into a large-calibre titanium alloy barrel blank by using a vacuum smelting furnace and through a vacuum smelting method; 2, hot isostatic pressing: performing the hot isostatic pressing for the large-bore titanium alloy barrel blank in an inert protective atmosphere by using a hot isostatic pressing device; 3, mechanical machining: processing a chamfer angle for spinning at the head of the large-bore titanium alloy barrel blank after the hot isostatic pressing by using mechanical processing equipment to obtain a spinning barrel blank; 4, spinning: thermally spinning the mechanically processed spinning barrel blank with the total deformation rate not less than 60% for many times by using spinning equipment to obtain a large-bore seamless titanium alloy thin-wall barrel body; and 5, subsequent treatment. The production process has short process flow, high yield, low cost, high utilization rate of materials and easy realization, and the defects of the large-bore seamless titanium alloy barrel body, such as complex process, high cost, low yield and the like of the traditional production process can be effectively solved.
Description
Technical field
The invention belongs to metal precision plastic forming technical field, especially relate to a kind of manufacture method of large-calibre seamless titanium alloy barrel body.
Background technology
Conventional extruded (or roll piercing) rolling mill practice that China adopts at present can only be produced the following titanium alloy seamless tubular goods of Φ 114mm.Adopt the backward extrusion method only to test Φ 210mm titanium alloy pipe, and evenness of wall thickness is poor, length short, can not satisfy instructions for use.Bore adopts bar at 200～400mm cylindrical shell, be machined as the thick cylinder base and the hot spinning mode is made; Bore greater than the seamless titanium alloy thin-wall barrel manufacturing of 400mm mainly take ingot casting, cogging forging, reconditioning, pier pulls out to bar, blanking, punching, forging and is ring, machined, heat treatment, rolls the mode of production manufacturing to the finished product thin-wall barrel of ring, machined, hot spinning repeatedly.To sum up, there are shortcomings such as complicated process of preparation, long flow path, material use interest rate be extremely low in existing large-caliber thin-walled titanium alloy barrel body, can not satisfy the user demand of each industrial circle to titanium alloy barrel body.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned deficiency of the prior art, a kind of manufacture method of large-calibre seamless titanium alloy barrel body is provided, its technological process of production is short, lumber recovery is high, cost is low, stock utilization is high and realize convenient, can effectively solve many defectives such as the existing complex process of traditional large-bore titanium alloy cylindrical shell manufacturing process, cost height, lumber recovery are extremely low.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of manufacture method of large-calibre seamless titanium alloy barrel body is characterized in that this method may further comprise the steps:
Step 1, casting: adopt vacuum melting furnace and the titanium alloy raw material is cast as large-bore titanium alloy tube base by vacuum smelting method, described large-bore titanium alloy tube base is 100～2000mm for external diameter Φ, wall thickness δ is 5～40mm, and length L is the linear tube base of 150～1000mm; And when carrying out vacuum melting, adopt titan alloy casting ingot or titanium alloy to forge rod and make electrode, founding vacuum is 6.7～0.67Pa;
Step 4, spinning: spinning: adopt spinning machine that the spinning tube base after adding through machine is carried out total deformation rate and be not less than 60% the powerful hot spinning of multi-pass, obtain the large-calibre seamless titanium alloy thin-wall barrel; And when carrying out the multi-pass hot spinning, heating-up temperature increases and reduces gradually with the hot spinning passage, and first passage spinning temperature is 550～900 ℃, and pony-roughing pass spinning temperature is 400～700 ℃, and whole passage spinning temperature is 200～600 ℃;
Vacuum melting furnace described in the above-mentioned steps one is a vacuum consumable electric arc skull crucible, and adopts when carrying out vacuum melting titan alloy casting ingot or titanium alloy to forge rod and make consutrode.
Adopt machining equipment described in the above-mentioned steps three before the chamfering of using through the processing of the large-bore titanium alloy tube base head behind high temperature insostatic pressing (HIP) spinning, the surfaces externally and internally to the tube of large-bore titanium alloy described in step 2 base carries out machined to remove blemish earlier.
When removing blemish described in the above-mentioned steps three, adopt manual argon arc welding that pore and sand holes exposed on the described large-bore titanium alloy tube base surfaces externally and internally are repaired.
Described in the above-mentioned steps four carry out the powerful hot spinning of multi-pass the time, the passage reduction is 10～30%, the accumulative total reduction is 60～85%.
Spinning machine described in the above-mentioned steps four is horizontal power spinning machine or vertical three spinning roller power spinning machines; And when horizontal power spinning machine carries out spinning, adopt two-wheel derotation or dextrorotation mode to carry out spinning.
The spinning wheel of described spinning machine is step spinning roller or double tapered roller.
Employing spinning machine described in the above-mentioned steps four will be after machine adds spinning tube base when total deformation rate is not less than the powerful hot spinning of 60% multi-pass, used lubricant is molybdenum bisuphide, FR2 coating or aquadag.
When the large-calibre seamless titanium alloy thin-wall barrel to making behind spinning described in the above-mentioned steps five is heat-treated, adopt in the electric furnace and carry out air cooling heat treatment under 400～800 ℃ of temperature conditions, heat treatment time is 20～90 minutes.
Described in the above-mentioned steps five carry out removing surface the time, earlier the surfaces externally and internally to after heat treatment large-calibre seamless titanium alloy thin-wall barrel carries out sandblast or polishing respectively, again the large-calibre seamless titanium alloy thin-wall barrel through sandblast or polishing is carried out pickling and water rinse.
The present invention compared with prior art has the following advantages:
1, manufacture method is simple, process stabilizing is feasible, has cast form flexibly, can water and cast out the various Ti alloy casting cylindrical shells that size range is big, meet specification requirement, the invention solves and adopt traditional extruding, roll piercing to prepare the pipe method to be difficult to prepare large-bore titanium alloy cylindrical shell, complex process, technical problem that cost is high, many defectives such as complicated process of preparation when also having eliminated the around-France manufacturing large-bore titanium alloy cylindrical shell of traditional forging-roll, lumber recovery are extremely low, cost height.
2, vacuum pressing and casting tube base adopts the high temperature insostatic pressing (HIP) operation can eliminate the inevitable defect problems such as internal porosity that occur of casting technique, simple, the easy row of method.
The large-calibre seamless titanium alloy barrel body superior performance of 3, being produced, the deformed area metal is in the three-dimensional compressive stress state during shear spinning, belongs to the pointwise local deformation, and the unit are rock deformation pressure is up to 250～400Kg/mm
2, the titanium alloy that is particularly suitable for difficult distortion is shaped.Titanium alloy carries out violent plastic deformation under 600～900 ℃ of high temperature, not only can make thick cast sturcture obtain sufficient fragmentation, also can make the residual internal flaw compacting seam of as cast condition tube base, improves the revolving property and the limit attenuation rate of strand.The casting cylindrical shell through many fire time accumulative total deformation rates greater than 60% rotary pressure deformation, its organize tiny evenly, performance and forging and cold rolling tubing are suitable.
4, low cost of manufacture, casting tube base is compared with blank with adopting traditional forging rod machine addition spinning, can save material more than 60%.Casting tube base with adopt traditional ingot casting, cogging forging, reconditioning, pier pulls out to bar, blanking, punching, forging and is ring, machined, heat treatment, rolls ring and machined cylindrical shell blank manufacturing process is compared repeatedly, reduce by 50% manufacturing process, save material more than 40%.
5, applied widely, can effectively be applicable to a plurality of technical fields such as metallurgy, ocean engineering, chemical industry, Aero-Space, shipbuilding.
In sum, the technological process of production of the present invention is short, lumber recovery is high, cost is low, stock utilization is high and realize convenient, made large-calibre seamless titanium alloy barrel body superior performance, economic effect is obvious, can effectively solve many defectives such as the existing complex process of traditional large-bore titanium alloy cylindrical shell manufacturing process, cost height, lumber recovery are extremely low.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is a manufacturing process flow diagram of the present invention.
The fundamental diagram that Fig. 2 adopts two-wheel to carry out derotation for the present invention's first specific embodiment on horizontal power spinning machine.
The fundamental diagram that Fig. 3 adopts two-wheel to carry out dextrorotation for the present invention's the 5th specific embodiment on horizontal power spinning machine.
Description of reference numerals:
The 1-discharge ring; 2-spinning tube base; The 3-heating gun;
The 4-spinning wheel; The 5-spinning block; 6-tail push rod;
7-tail jacking block.
The specific embodiment
The manufacture method of a kind of large-calibre seamless titanium alloy barrel body as shown in Figure 1 may further comprise the steps:
Step 1, casting: adopt vacuum melting furnace and the titanium alloy raw material is cast as large-bore titanium alloy tube base by vacuum smelting method, described large-bore titanium alloy tube base is 100～2000mm for external diameter Φ, wall thickness δ is 5～40mm, and length L is the linear tube base of 150～1000mm; And when carrying out vacuum melting, adopt titan alloy casting ingot or titanium alloy to forge rod and make electrode, founding vacuum is 6.7～0.67Pa;
Step 4, spinning: adopt spinning machine that the spinning tube base 2 after adding through machine is carried out total deformation rate and be not less than 60% the powerful hot spinning of multi-pass, obtain the large-calibre seamless titanium alloy thin-wall barrel; And when carrying out the multi-pass hot spinning, heating-up temperature increases and reduces gradually with the hot spinning passage, and first passage spinning temperature is 550～900 ℃, and pony-roughing pass spinning temperature is 400～700 ℃, and whole passage spinning temperature is 200～600 ℃;
In this step, when carrying out multi-pass brute force hot spinning, the passage reduction is 10～30%, and the accumulative total reduction is 60～85%.Described spinning machine is horizontal power spinning machine or vertical three spinning roller power spinning machines; And when horizontal power spinning machine carries out spinning, adopt two-wheel derotation or dextrorotation mode to carry out spinning.The spinning wheel 4 of described spinning machine is step spinning roller or double tapered roller.
Adopt spinning tube base 2 that spinning machine will be after machine adds when total deformation rate is not less than the powerful hot spinning of 60% multi-pass, used lubricant is molybdenum bisuphide, FR2 coating or aquadag.
When heat-treating in this step, adopt in the electric furnace and under 400～800 ℃ of temperature conditions the large-calibre seamless titanium alloy thin-wall barrel that makes is carried out air cooling heat treatment behind spinning, heat treatment time is 20～90 minutes.And when carrying out removing surface, earlier the surfaces externally and internally to after heat treatment large-calibre seamless titanium alloy thin-wall barrel carries out sandblast or polishing respectively, again the large-calibre seamless titanium alloy thin-wall barrel through sandblast or polishing is carried out pickling and water rinse.
Embodiment 1
In conjunction with Fig. 2, in the present embodiment, when making large-calibre seamless titanium alloy barrel body, its manufacture process may further comprise the steps:
Step 1, casting: adopt vacuum melting furnace and the titanium alloy raw material is cast as large-bore titanium alloy tube base by vacuum smelting method.Described vacuum melting furnace is a vacuum consumable electric arc skull crucible, and adopts when carrying out vacuum melting titan alloy casting ingot or titanium alloy to forge rod and make consutrode.In the present embodiment, employing is made the melting consutrode through the qualified TA2 titan alloy casting ingot of the Φ of secondary vacuum consumable arc-melting 480mm (or forging rod), carries out vacuum melting and be cast into the straight tube blank that internal diameter is Φ 1000mm, wall thickness δ 40mm and length L 500mm in 800Kg vacuum consumable electric arc skull crucible.When carrying out vacuum melting, adopt titan alloy casting ingot or titanium alloy to forge rod and make electrode, founding vacuum is 3.2Pa.
In this step, adopt machining equipment before the chamfering of using through the processing of the large-bore titanium alloy tube base head behind high temperature insostatic pressing (HIP) spinning, the surfaces externally and internally to the tube of large-bore titanium alloy described in step 2 base carries out machined to remove blemish earlier.And during described removal blemish, adopt manual argon arc welding that pore and sand holes exposed on the described large-bore titanium alloy tube base surfaces externally and internally are repaired.
Step 4, spinning: adopt spinning tube base 2 that spinning machine will be after machine adds to be not less than 60% the powerful hot spinning of multi-pass, obtain the large-calibre seamless titanium alloy thin-wall barrel through total deformation rate.In the present embodiment, on 60 tons of horizontal spinning machines, carry out spinning and adopt two-wheel to carry out spinning in the derotation mode.The spinning wheel 4 of described spinning machine is step spinning roller or double tapered roller.Before the spinning, evenly coat Molykote at spinning tube base 2 and spinning block 5 surfaces earlier, then spinning tube base 2 is enclosed within on the spinning block 5, spinning tube base 2 bottoms are contacted with the right side of discharge ring 1; Adjust the gap between spinning wheel 4 and the spinning block 5 and the longitudinal feed speed of the speed of mainshaft and spinning wheel 4, and hold out against tail push rod 6, start spinning machine afterwards, open 3 pairs of spinning blocks 5 of heating gun and spinning tube base 2 and be heated to the needed temperature of rotary pressure deformation simultaneously, and in spinning process, adjust the flame of heating gun 3 and the distance between the spinning tube base 2 at any time, the temperature fluctuation range (being the spinning temperature) that makes spinning tube base 2 deformation places is at 600 ℃ ± 20 ℃, about 400 ℃ of the temperature of spinning block 5; Opening spinning wheel 4 is moved to the left, heating gun 3 also is moved to the left with synchronizing speed simultaneously, speed of mainshaft n=20～25r/min, feed ratio 3.5mm/r, 20% pair of spinning tube of pass deformation rate base 2 carries out rotary pressure deformation, up to being threaded to from left end head 15mm place, close the flame of heating gun 3, spinning wheel 4 laterally withdraws from, and lathe stops the rotation, and the first passage rotary pressure deformation is finished.
Repeat said process and carry out the spinning of the second passage rotary pressure deformation until final pass (i.e. the 3rd passage) again, wherein, the spinning temperature is 500 ℃ ± 20 ℃ in the second passage rotary pressure deformation, and the spinning temperature is 300 ℃ ± 20 ℃ in the 3rd passage rotary pressure deformation.Make at last tail push rod 6 drive the tail jacking block and withdraw from together that moving right by spinning wheel 4 promotes discharge ring 1 to the right, drive spinning tube base 2 and on spinning block 5, move right that till leaving spinning block 5, whole spinning process is finished, and can produce Φ
InThe titanium alloy barrel body of 1000mm * δ 12mm * L 〉=1300mm.
When heat-treating in this step, adopt in the electric furnace and under 500 ℃ of temperature conditions the large-calibre seamless titanium alloy thin-wall barrel that makes is carried out air cooling heat treatment behind spinning, heat treatment time is 40 minutes.
In the present embodiment, as different from Example 1: when adopting vacuum melting furnace in the step 1 and the titanium alloy raw material being cast as large-bore titanium alloy tube base by vacuum smelting method, obtained large-bore titanium alloy tube base is 100mm for external diameter Φ, wall thickness δ is 5mm, and length L is the linear tube base of 150mm; And when carrying out vacuum melting, adopt titan alloy casting ingot or titanium alloy to forge rod and make electrode, founding vacuum is 0.67Pa.When carrying out high temperature insostatic pressing (HIP) in the step 2, temperature is that 600 ℃ and institute's plus-pressure are 100MPa, and the high temperature insostatic pressing (HIP) time is 1 hour.When carrying out multi-pass brute force hot spinning in the step 4, first passage spinning temperature is 550 ± 10 ℃, and pony-roughing pass spinning temperature is 400 ± 10 ℃, and whole passage spinning temperature is 200 ± 10 ℃.And when carrying out multi-pass brute force hot spinning, the passage reduction is 10%, and the accumulative total reduction is 60%.Used lubricant is a FR2 coating.When heat-treating in the step 5, adopt in the electric furnace and under 400 ℃ of temperature conditions the large-calibre seamless titanium alloy thin-wall barrel that makes is carried out air cooling heat treatment behind spinning, heat treatment time is 20 minutes.In the present embodiment, all the other processing steps, technological parameter and manufacture process are all identical with embodiment 1.
In the present embodiment, as different from Example 1: when adopting vacuum melting furnace in the step 1 and the titanium alloy raw material being cast as large-bore titanium alloy tube base by vacuum smelting method, obtained large-bore titanium alloy tube base is 2000mm for external diameter Φ, wall thickness δ is 40mm, and length L is the linear tube base of 1000mm; And when carrying out vacuum melting, adopt titan alloy casting ingot or titanium alloy to forge rod and make electrode, founding vacuum is 6.7Pa.When carrying out high temperature insostatic pressing (HIP) in the step 2, temperature is 1000 ℃, and institute's plus-pressure is that 200MPa and pressing time are 2.5 hours.When carrying out multi-pass brute force hot spinning in the step 4, heating-up temperature increases and reduces gradually with the hot spinning passage, and first passage spinning temperature is 900 ± 20 ℃, and pony-roughing pass spinning temperature is 700 ± 20 ℃, and whole passage spinning temperature is 600 ± 20 ℃.And when carrying out multi-pass brute force hot spinning, the passage reduction is 30%, and the accumulative total reduction is 85%.And when carrying out multi-pass brute force hot spinning, used lubricant is an aquadag.When heat-treating in the step 5, adopt in the electric furnace and under 800 ℃ of temperature conditions the large-calibre seamless titanium alloy thin-wall barrel that makes is carried out air cooling heat treatment behind spinning, heat treatment time is 60 minutes.In the present embodiment, all the other processing steps, technological parameter and manufacture process are all identical with embodiment 1.
Embodiment 4
In the present embodiment, as different from Example 1: when adopting vacuum melting furnace in the step 1 and the titanium alloy raw material being cast as large-bore titanium alloy tube base by vacuum smelting method, obtained large-bore titanium alloy tube base is 200mm for external diameter Φ, wall thickness δ is 20mm, and length L is the linear tube base of 300mm; And when carrying out vacuum melting, adopt titan alloy casting ingot or titanium alloy to forge rod and make electrode, founding vacuum is 4.0Pa.When carrying out high temperature insostatic pressing (HIP) in the step 2, temperature is 700 ℃, and institute's plus-pressure is that 160MPa and pressing time are 1.2 hours.When carrying out the multi-pass hot spinning in the step 4, heating-up temperature increases and reduces gradually with the hot spinning passage, and first passage spinning temperature is 600 ± 20 ℃, and pony-roughing pass spinning temperature is 450 ± 20 ℃, and whole passage spinning temperature is 220 ± 20 ℃; And when carrying out multi-pass brute force hot spinning, the passage reduction is 13%, and the accumulative total reduction is 65%.When heat-treating in the step 5, adopt in the electric furnace and under 500 ℃ of temperature conditions the large-calibre seamless titanium alloy thin-wall barrel that makes is carried out air cooling heat treatment behind spinning, heat treatment time is 90 minutes.In the present embodiment, all the other processing steps, technological parameter and manufacture process are all identical with embodiment 1.
In conjunction with Fig. 3, in the present embodiment, as different from Example 1: when casting in the step 1, employing is made the melting consutrode through the Φ of secondary vacuum consumable arc-melting 110mmTi-75 titan alloy casting ingot (or forging rod), straight tube blank at the bottom of carrying out vacuum melting and be cast into the band that internal diameter is 115mm * δ 22mm * L350mm in 150Kg vacuum consumable electric arc skull crucible.When carrying out vacuum melting, adopt titan alloy casting ingot or titanium alloy to forge rod and make electrode, founding vacuum is 5Pa.Adopt spinning tube base 2 that spinning machine will be after machine adds in the step 4 when total deformation rate is not less than the powerful hot spinning of 60% multi-pass, on 30 tons of horizontal spinning machines, carry out spinning and adopt two-wheel to carry out spinning in the dextrorotation mode.Before beginning, spinning evenly coats Molykote at spinning tube base 2 and spinning block 5 surfaces earlier.Then spinning tube base 2 is enclosed within on the spinning block 5, mobile tail jacking block 7 holds out against blank bottom and spinning block 5 right parts, adjusts the gap between spinning wheel 4 and the core and the longitudinal feed speed of the speed of mainshaft and spinning wheel 4.Start spinning machine and drive the rotation synchronously together of spinning block 5, spinning tube base 2 and tail jacking block 7.Open 1 pair of spinning block of heating gun 5 and be with end spinning tube base 2 to be heated to the needed temperature of rotary pressure deformation simultaneously, and in spinning process, adjust the flame of heating gun 1 and the distance between the spinning tube base 2 at any time, making the temperature fluctuation range of spinning tube base 2 deformation places is 800 ± 20 ℃, mold temperature is about 500 ℃, speed of mainshaft n=100～150r/min, about feed ratio 3mm/r, 18% pair of spinning tube of pass deformation rate base 2 carries out rotary pressure deformation: open spinning wheel 4 and be moved to the left, heating gun 1 also is moved to the left with synchronizing speed simultaneously, the preliminary examination rotating speed is at 100r/min, the back passage can suitably be heightened 130r/min, and spinning wheel 4 is carried out rotary pressure deformation, till whole tube base shaping finishes, close the flame of heating gun 1, spinning wheel 4 laterally withdraws from, and spinning block 5 stops the rotation, and has promptly finished the first passage rotary pressure deformation.Repeat said process and carry out the spinning of second passage again, total deformation rate is reached more than 60% until final pass.Can produce Φ
InCylindrical shell at the bottom of the Ti-75 titanium alloy band of 115mm * 1.5mm * L 〉=3500mm..In the present embodiment, all the other processing steps, technological parameter and manufacture process are all identical with embodiment 1.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, everyly any simple modification that above embodiment did, change and equivalent structure changed, all still belong in the protection domain of technical solution of the present invention according to the technology of the present invention essence.
Claims (10)
1. the manufacture method of a large-calibre seamless titanium alloy barrel body is characterized in that this method may further comprise the steps:
Step 1, casting: adopt vacuum melting furnace and the titanium alloy raw material is cast as large-bore titanium alloy tube base by vacuum smelting method, described large-bore titanium alloy tube base is 100～2000mm for external diameter Φ, wall thickness δ is 5～40mm, and length L is the linear tube base of 150～1000mm; And when carrying out vacuum melting, adopt titan alloy casting ingot or titanium alloy to forge rod and make electrode, founding vacuum is 6.7～0.67Pa;
Step 2, high temperature insostatic pressing (HIP): adopt hot isostatic apparatus in inert protective atmosphere, described large-bore titanium alloy tube base to be carried out high temperature insostatic pressing (HIP); And when carrying out high temperature insostatic pressing (HIP), temperature is 600～1000 ℃, and institute's plus-pressure is 100～200MPa;
Step 3, machine add: the chamfering that adopts machining equipment to use at the processing of the large-bore titanium alloy tube base head behind high temperature insostatic pressing (HIP) spinning, and obtain spinning tube base (2);
Step 4, spinning: adopt spinning machine that the spinning tube base (2) after adding through machine is carried out total deformation rate and be not less than 60% the powerful hot spinning of multi-pass, obtain the large-calibre seamless titanium alloy thin-wall barrel; And when carrying out the multi-pass hot spinning, heating-up temperature increases and reduces gradually with the hot spinning passage, and first passage spinning temperature is 550～900 ℃, and pony-roughing pass spinning temperature is 400～700 ℃, and whole passage spinning temperature is 200～600 ℃;
Step 5, subsequent treatment: after the large-calibre seamless titanium alloy thin-wall barrel through making behind the spinning in the step 4 being heat-treated and it is carried out removing surface according to common process, just obtain large-calibre seamless titanium alloy thin-wall barrel finished product.
2. according to the manufacture method of the described a kind of large-calibre seamless titanium alloy barrel body of claim 1, it is characterized in that: the vacuum melting furnace described in the step 1 is a vacuum consumable electric arc skull crucible, and adopts when carrying out vacuum melting titan alloy casting ingot or titanium alloy to forge rod and make consutrode.
3. according to the manufacture method of claim 1 or 2 described a kind of large-calibre seamless titanium alloy barrel bodies, it is characterized in that: adopt machining equipment described in the step 3 before the chamfering of using through the processing of the large-bore titanium alloy tube base head behind high temperature insostatic pressing (HIP) spinning, the surfaces externally and internally to the tube of large-bore titanium alloy described in step 2 base carries out machined to remove blemish earlier.
4. according to the manufacture method of claim 1 or 2 described a kind of large-calibre seamless titanium alloy barrel bodies, it is characterized in that: when removing blemish described in the step 3, adopt manual argon arc welding that pore and sand holes exposed on the described large-bore titanium alloy tube base surfaces externally and internally are repaired.
5. according to the manufacture method of claim 1 or 2 described a kind of large-calibre seamless titanium alloy barrel bodies, it is characterized in that: described in the step 4 carry out the powerful hot spinning of multi-pass the time, the passage reduction is 10～30%, the accumulative total reduction is 60～85%.
6. according to the manufacture method of claim 1 or 2 described a kind of large-calibre seamless titanium alloy barrel bodies, it is characterized in that: spinning machine described in the step 4 is horizontal power spinning machine or vertical three spinning roller power spinning machines; And when horizontal power spinning machine carries out spinning, adopt two-wheel derotation or dextrorotation mode to carry out spinning.
7. according to the manufacture method of the described a kind of large-calibre seamless titanium alloy barrel body of claim 6, it is characterized in that: the spinning wheel of described spinning machine (4) is step spinning roller or double tapered roller.
8. according to the manufacture method of the described a kind of large-calibre seamless titanium alloy barrel body of claim 6, it is characterized in that: the spinning tube base (2) after the employing spinning machine described in the step 4 adds machine carries out total deformation rate when being not less than the powerful hot spinning of 60% multi-pass, and used lubricant is molybdenum bisuphide, FR2 coating or aquadag.
9. according to the manufacture method of claim 1 or 2 described a kind of large-calibre seamless titanium alloy barrel bodies, it is characterized in that: when the large-calibre seamless titanium alloy thin-wall barrel to making behind spinning described in the step 5 is heat-treated, adopt in the electric furnace and carry out air cooling heat treatment under 400～800 ℃ of temperature conditions, heat treatment time is 20～90 minutes.
10. according to the manufacture method of claim 1 or 2 described a kind of large-calibre seamless titanium alloy barrel bodies, it is characterized in that: described in the step 5 carry out removing surface the time, earlier the surfaces externally and internally to after heat treatment large-calibre seamless titanium alloy thin-wall barrel carries out sandblast or polishing respectively, again the large-calibre seamless titanium alloy thin-wall barrel through sandblast or polishing is carried out pickling and water rinse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910219593A CN101733641A (en) | 2009-12-18 | 2009-12-18 | Manufacturing method of large-calibre seamless titanium alloy barrel body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910219593A CN101733641A (en) | 2009-12-18 | 2009-12-18 | Manufacturing method of large-calibre seamless titanium alloy barrel body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101733641A true CN101733641A (en) | 2010-06-16 |
Family
ID=42457948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910219593A Pending CN101733641A (en) | 2009-12-18 | 2009-12-18 | Manufacturing method of large-calibre seamless titanium alloy barrel body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101733641A (en) |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489942A (en) * | 2011-11-27 | 2012-06-13 | 西安航天博诚新材料有限公司 | Manufacturing method for seamless titanium drum for cathode roller |
| CN102967693A (en) * | 2012-11-12 | 2013-03-13 | 西安航空动力股份有限公司 | Penetrant detection and defect mending method in titanium alloy cast piece machining |
| CN102962294A (en) * | 2012-12-14 | 2013-03-13 | 西北有色金属研究院 | Preparation method of super-thin wall seamless titanium pipe material |
| CN103008995A (en) * | 2012-12-13 | 2013-04-03 | 西安西工大超晶科技发展有限责任公司 | Method for forming high-strength titanium alloy gas cylinder for aviation fuel |
| CN103071743A (en) * | 2013-01-30 | 2013-05-01 | 西部钛业有限责任公司 | Preparation method for TC11 titanium alloy small-bore thick-walled cylindrical part |
| CN103316941A (en) * | 2013-06-30 | 2013-09-25 | 山西太钢不锈钢股份有限公司 | Method for extruding large-aperture titanium alloy pipe |
| CN103350156A (en) * | 2013-06-28 | 2013-10-16 | 宜兴华威封头有限公司 | Warm-pressing forming process of stainless steel sealing head |
| CN103551856A (en) * | 2013-09-30 | 2014-02-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining method for preventing high-precision large titanium alloy thin-wall casting mounting edge deformation |
| CN103658548A (en) * | 2012-09-21 | 2014-03-26 | 上海航天精密机械研究所 | Graphite type casting method of cylindrical titanium alloy piece |
| CN103706716A (en) * | 2014-01-09 | 2014-04-09 | 哈尔滨工业大学 | Method for hot-spinning accurate temperature control of titanium alloy thin wall component |
| CN103752707A (en) * | 2014-01-27 | 2014-04-30 | 哈尔滨工业大学 | Die and method for forming straight tube section-expansion section composite titanium alloy equal-wall-thickness curved generatrix thin wall rotation body component |
| CN104148949A (en) * | 2014-06-24 | 2014-11-19 | 湖北三江航天江北机械工程有限公司 | Forming and prestress flattening method for steel plate with ultra wide width and small thickness error |
| CN105328416A (en) * | 2015-11-30 | 2016-02-17 | 重庆建设工业(集团)有限责任公司 | Method for machining inner cavity type thin-walled shrinkage hole |
| CN106011428A (en) * | 2016-06-30 | 2016-10-12 | 洛阳双瑞特种装备有限公司 | Thermal treatment method of large-volume titanium seamless high pressure gas cylinder |
| CN106424286A (en) * | 2016-10-20 | 2017-02-22 | 江苏理工学院 | Spinning forming method and device based on laser heating |
| CN106670258A (en) * | 2016-12-16 | 2017-05-17 | 江苏理工学院 | Plasticity machining method for metal composite pipe |
| CN106944494A (en) * | 2016-01-06 | 2017-07-14 | 天津皕劼同创精密钛铸造有限公司 | A kind of preparation method of heavy caliber thick wall seamless titanium alloy barrel body |
| CN107186033A (en) * | 2017-06-27 | 2017-09-22 | 重庆理工大学 | The processing and forming technology of cartridge |
| CN109702065A (en) * | 2018-12-05 | 2019-05-03 | 航天材料及工艺研究所 | A method of improving large scale rare-earth magnesium alloy extrusion cylindrical member structure property |
| CN111250937A (en) * | 2020-03-16 | 2020-06-09 | 恒立科技有限公司 | Manufacturing process of titanium alloy packaging barrel |
| CN111411251A (en) * | 2020-05-07 | 2020-07-14 | 贵研铂业股份有限公司 | Anti-oxidation coating for rhenium spray pipe, preparation method of anti-oxidation coating and rhenium-anti-oxidation coating spray pipe |
| CN112246947A (en) * | 2020-09-28 | 2021-01-22 | 湖北三江航天江北机械工程有限公司 | Forming and processing method of titanium alloy high-pressure seamless gas cylinder for ships |
| CN112427893A (en) * | 2020-11-10 | 2021-03-02 | 西北有色金属研究院 | Manufacturing method of large-caliber thin-wall seamless titanium alloy cylinder |
| CN112496136A (en) * | 2020-11-11 | 2021-03-16 | 晋西工业集团有限责任公司 | Forming method of thin-wall cylindrical part with large length-diameter ratio |
| CN114029358A (en) * | 2021-09-22 | 2022-02-11 | 北京航星机器制造有限公司 | Method for manufacturing titanium alloy thin-wall cylinder |
| CN114131290A (en) * | 2021-11-01 | 2022-03-04 | 西安泰金工业电化学技术有限公司 | Manufacturing method of super-large-diameter cathode roller |
| CN114160652A (en) * | 2021-11-26 | 2022-03-11 | 西安泰金工业电化学技术有限公司 | Hot spinning forming method for large-diameter titanium alloy cylindrical part |
| CN114453846A (en) * | 2022-03-24 | 2022-05-10 | 西安稀有金属材料研究院有限公司 | Preparation method of multi-size pure titanium cathode roller |
| CN115383085A (en) * | 2022-08-17 | 2022-11-25 | 鑫鹏源智能装备集团有限公司 | Production process of hot-rolled large-diameter thin-wall titanium alloy seamless pipe |
| CN116944817A (en) * | 2023-09-20 | 2023-10-27 | 成都先进金属材料产业技术研究院股份有限公司 | Preparation method of titanium alloy multi-wedge belt wheel |
-
2009
- 2009-12-18 CN CN200910219593A patent/CN101733641A/en active Pending
Cited By (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489942B (en) * | 2011-11-27 | 2013-10-23 | 西安航天博诚新材料有限公司 | Manufacturing method for seamless titanium drum for cathode roller |
| CN102489942A (en) * | 2011-11-27 | 2012-06-13 | 西安航天博诚新材料有限公司 | Manufacturing method for seamless titanium drum for cathode roller |
| CN103658548B (en) * | 2012-09-21 | 2016-02-10 | 上海航天精密机械研究所 | A kind of graphite mold casting method of titanium alloy cylindrical part |
| CN103658548A (en) * | 2012-09-21 | 2014-03-26 | 上海航天精密机械研究所 | Graphite type casting method of cylindrical titanium alloy piece |
| CN102967693A (en) * | 2012-11-12 | 2013-03-13 | 西安航空动力股份有限公司 | Penetrant detection and defect mending method in titanium alloy cast piece machining |
| CN102967693B (en) * | 2012-11-12 | 2014-10-08 | 西安航空动力股份有限公司 | Penetrant detection and defect mending method in titanium alloy cast piece machining |
| CN103008995A (en) * | 2012-12-13 | 2013-04-03 | 西安西工大超晶科技发展有限责任公司 | Method for forming high-strength titanium alloy gas cylinder for aviation fuel |
| CN103008995B (en) * | 2012-12-13 | 2015-11-04 | 西安西工大超晶科技发展有限责任公司 | A kind of forming method of aerospace fuel high strength titanium alloy gas cylinder |
| CN102962294A (en) * | 2012-12-14 | 2013-03-13 | 西北有色金属研究院 | Preparation method of super-thin wall seamless titanium pipe material |
| CN103071743A (en) * | 2013-01-30 | 2013-05-01 | 西部钛业有限责任公司 | Preparation method for TC11 titanium alloy small-bore thick-walled cylindrical part |
| CN103350156A (en) * | 2013-06-28 | 2013-10-16 | 宜兴华威封头有限公司 | Warm-pressing forming process of stainless steel sealing head |
| CN103316941A (en) * | 2013-06-30 | 2013-09-25 | 山西太钢不锈钢股份有限公司 | Method for extruding large-aperture titanium alloy pipe |
| CN103316941B (en) * | 2013-06-30 | 2016-01-27 | 山西太钢不锈钢股份有限公司 | The pressing method of large-bore titanium alloy pipe |
| CN103551856B (en) * | 2013-09-30 | 2015-10-28 | 沈阳黎明航空发动机(集团)有限责任公司 | Prevent the processing method that high precision large-sized titanium alloy thin wall foundry goods mounting edge is out of shape |
| CN103551856A (en) * | 2013-09-30 | 2014-02-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining method for preventing high-precision large titanium alloy thin-wall casting mounting edge deformation |
| CN103706716A (en) * | 2014-01-09 | 2014-04-09 | 哈尔滨工业大学 | Method for hot-spinning accurate temperature control of titanium alloy thin wall component |
| CN103706716B (en) * | 2014-01-09 | 2015-08-19 | 哈尔滨工业大学 | A kind of titanium alloy thin wall component hot spinning accurate temperature controlling method |
| CN103752707A (en) * | 2014-01-27 | 2014-04-30 | 哈尔滨工业大学 | Die and method for forming straight tube section-expansion section composite titanium alloy equal-wall-thickness curved generatrix thin wall rotation body component |
| CN104148949A (en) * | 2014-06-24 | 2014-11-19 | 湖北三江航天江北机械工程有限公司 | Forming and prestress flattening method for steel plate with ultra wide width and small thickness error |
| CN105328416A (en) * | 2015-11-30 | 2016-02-17 | 重庆建设工业(集团)有限责任公司 | Method for machining inner cavity type thin-walled shrinkage hole |
| CN106944494A (en) * | 2016-01-06 | 2017-07-14 | 天津皕劼同创精密钛铸造有限公司 | A kind of preparation method of heavy caliber thick wall seamless titanium alloy barrel body |
| CN106011428A (en) * | 2016-06-30 | 2016-10-12 | 洛阳双瑞特种装备有限公司 | Thermal treatment method of large-volume titanium seamless high pressure gas cylinder |
| CN106424286A (en) * | 2016-10-20 | 2017-02-22 | 江苏理工学院 | Spinning forming method and device based on laser heating |
| CN106670258A (en) * | 2016-12-16 | 2017-05-17 | 江苏理工学院 | Plasticity machining method for metal composite pipe |
| CN107186033A (en) * | 2017-06-27 | 2017-09-22 | 重庆理工大学 | The processing and forming technology of cartridge |
| CN109702065A (en) * | 2018-12-05 | 2019-05-03 | 航天材料及工艺研究所 | A method of improving large scale rare-earth magnesium alloy extrusion cylindrical member structure property |
| CN111250937A (en) * | 2020-03-16 | 2020-06-09 | 恒立科技有限公司 | Manufacturing process of titanium alloy packaging barrel |
| CN111411251B (en) * | 2020-05-07 | 2021-04-06 | 贵研铂业股份有限公司 | Anti-oxidation coating for rhenium spray pipe, preparation method of anti-oxidation coating and rhenium-anti-oxidation coating spray pipe |
| CN111411251A (en) * | 2020-05-07 | 2020-07-14 | 贵研铂业股份有限公司 | Anti-oxidation coating for rhenium spray pipe, preparation method of anti-oxidation coating and rhenium-anti-oxidation coating spray pipe |
| CN112246947A (en) * | 2020-09-28 | 2021-01-22 | 湖北三江航天江北机械工程有限公司 | Forming and processing method of titanium alloy high-pressure seamless gas cylinder for ships |
| CN112427893A (en) * | 2020-11-10 | 2021-03-02 | 西北有色金属研究院 | Manufacturing method of large-caliber thin-wall seamless titanium alloy cylinder |
| CN112496136A (en) * | 2020-11-11 | 2021-03-16 | 晋西工业集团有限责任公司 | Forming method of thin-wall cylindrical part with large length-diameter ratio |
| CN114029358A (en) * | 2021-09-22 | 2022-02-11 | 北京航星机器制造有限公司 | Method for manufacturing titanium alloy thin-wall cylinder |
| CN114029358B (en) * | 2021-09-22 | 2024-04-05 | 北京航星机器制造有限公司 | Manufacturing method of titanium alloy thin-wall cylinder |
| CN114131290A (en) * | 2021-11-01 | 2022-03-04 | 西安泰金工业电化学技术有限公司 | Manufacturing method of super-large-diameter cathode roller |
| CN114160652A (en) * | 2021-11-26 | 2022-03-11 | 西安泰金工业电化学技术有限公司 | Hot spinning forming method for large-diameter titanium alloy cylindrical part |
| CN114453846A (en) * | 2022-03-24 | 2022-05-10 | 西安稀有金属材料研究院有限公司 | Preparation method of multi-size pure titanium cathode roller |
| CN115383085A (en) * | 2022-08-17 | 2022-11-25 | 鑫鹏源智能装备集团有限公司 | Production process of hot-rolled large-diameter thin-wall titanium alloy seamless pipe |
| CN116944817A (en) * | 2023-09-20 | 2023-10-27 | 成都先进金属材料产业技术研究院股份有限公司 | Preparation method of titanium alloy multi-wedge belt wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101733641A (en) | Manufacturing method of large-calibre seamless titanium alloy barrel body | |
| CN102489952B (en) | Method for manufacturing titanium alloy thick-wall pressure-resistant cylinder body | |
| CN102327919A (en) | Extrusion forming method for hole forming pin for Incone1690 alloy for seamless pipe | |
| CN101934302A (en) | Method for preparing seamless titanium alloy tube for aircraft engine | |
| CN102371288A (en) | Preparation method of high-precision and high-strength titanium alloy seamless tube | |
| CN102794617A (en) | Preparation method of tubular niobium target for magnetron sputtering | |
| CN105290282B (en) | A kind of manufacture method of superelevation cylinder part | |
| CN106425317A (en) | Preparation method of Ti-B19 high-strength titanium alloy large-caliber thick wall pipe | |
| CN109014230B (en) | Preparation method of molybdenum metal grid | |
| JP7106004B2 (en) | Medium and small diameter thick-walled metal pipe and its manufacturing method | |
| CN105568195A (en) | Preparation method for high-accuracy and high-strength titanium alloy seamless tubes | |
| CN106944494A (en) | A kind of preparation method of heavy caliber thick wall seamless titanium alloy barrel body | |
| CN105499920A (en) | Manufacturing method for large-caliber and thick-wall seamless niobium pipes | |
| CN103231218B (en) | A kind of fast preparation method of titanium alloy pipe | |
| CN110976603A (en) | Preparation method of fine-grain titanium cylinder for cathode roller | |
| CN111530962B (en) | Production method for small-caliber thick-wall titanium alloy seamless pipe | |
| CN104551547A (en) | Processing process of high-intensity titanium alloy pipe fittings | |
| CN111299572B (en) | Production method of titanium and titanium alloy seamless tube | |
| CN102873126B (en) | Manufacturing method of large-aperture thin-walled seamless steel tube for nuclear power plant | |
| CN112517659B (en) | Processing method of titanium alloy wire for plasma arc/electric arc additive manufacturing | |
| CN114101372A (en) | High-strength TC18 titanium alloy seamless pipe efficient low-cost preparation method | |
| CN111069333B (en) | Precise forming method for aluminum alloy thin-wall cylinder | |
| CN106391713A (en) | Mandrel rolling method for metal tubular product | |
| CN112877656A (en) | Zirconium tube target and production method thereof | |
| CN107199243B (en) | The production method of heavy caliber titanium seamless tubes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100616 |