CN104475483A - Production method of platinum-rhodium alloy corrugated pipe - Google Patents
Production method of platinum-rhodium alloy corrugated pipe Download PDFInfo
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- CN104475483A CN104475483A CN201410734729.1A CN201410734729A CN104475483A CN 104475483 A CN104475483 A CN 104475483A CN 201410734729 A CN201410734729 A CN 201410734729A CN 104475483 A CN104475483 A CN 104475483A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The invention relates to a production method of a platinum-rhodium alloy corrugated pipe and belongs to the field of metal material technology. The platinum-rhodium alloy corrugated pipe is prepared by virtue of lining welding, die setting, loading, pre-forming, cushion block lifting, forming and die stripping. The platinum-rhodium alloy corrugated pipe is capable of greatly prolonging the service life of a TFT-LCD platinum channel, and meanwhile and preventing harmful fluids from entering a measurement part, and also capable of completing the temperature errors of a device by virtue of the variability of the volume.
Description
Technical field
The present invention relates to a kind of production method of platinum-rhodium alloy bellows, especially a kind of production method making platinum-rhodium alloy bellows, belong to metal material technology field.
Background technology
Platinum-rhodium alloy is widely used in glass industry.The passage prepared by platinum-rhodium alloy can be applicable to prepare TFT-LCD, i.e. Thin Film Transistor-LCD.Wherein, namely the major part of passage is bellows.Bellows is a kind of cylinder-shaped thin wall fold housing with multiple transverse wave.This structure can make pressure be converted into displacement and power, can effectively prevent harmful fluids from entering measure portion, can also be carried out the temperature error of compensation equipment by the changeability of volume simultaneously.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, provide a kind of production method of platinum-rhodium alloy bellows, the present invention adopts the shaping scheme of hydraulic tensioning inside and outside mould, effectively can extend the service life of TFT-LCD platinum channel.
According to technical scheme provided by the invention, the production method of platinum-rhodium alloy bellows, step is:
(1) paste layer welding: PtRh alloy sheet material is rolled into tubulose, welds with welding machine, then stick one deck platinum-rhodium alloy thin layer in welded joints, obtain platinum-rhodium alloy tubing;
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (1) obtained is made into bell mouth shape, again platinum-rhodium alloy tubing is inserted in bed die, load lower oil sealing clamping plate, it is skewed for adjusting bed die oil-in direction during tight lock screw, then between external mold and internal mold, several cushion blocks are added, finally load upper oil sealing fastening board, upper oil sealing fastening board screw is tightly locked, obtains mould;
(3) install: after confirming die-filling improving, by the mould 90-degree rotation that step (2) obtains, lathe ejection cylinder is raised to position simultaneously, connects interior pressuring oil pipe, then mould is put into the column space of lathe upper pillar stand and lower pillar stand formation, then ejection cylinder of slowly backing off; After mould puts in place, start outer compressing cylinder, then depress upper pillar stand, after putting in place, lock upright nut again;
(4) preformed: start outer compressing cylinder and mould is pressed onto position, reach 300 ~ 400kg at external pressure meter pressure; Close external pressure, compress into oil circuit breaker in unlatching, lifting body is arranged on after external pressure piston head plate simultaneously, open biased switch, interior pressure meter pressure controls at 100 ~ 150kg, after pressurize 45 ~ 60s, interior pressure is adjusted to 40 ~ 50kg, close biased switch, oil-feed switch, compresses switch outward;
(5) play cushion block: remove lifting body, outer compressing cylinder is stepped back 5 ~ 10mm, then compress into oil circuit breaker and biased switch in opening, Stress control is at 40 ~ 50kg, and the time is 5 ~ 15s, then closes oil-feed switch, closes biased switch, shuts down and starts to remove cushion block;
(6) shaping: after treating that cushion block removes, open outer compressing switch and the 5 ~ 10mm shunk back pushed back, close outer compressing switch after putting in place, lifting body is arranged on after external pressure piston head plate and kills, compress into oil circuit breaker in unlatching, biased switch; In keeping while pressing 30 ~ 40kg in treating, then pressure opens outer compressing switch; Reaching after 200 ~ 300kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 150 ~ 200kg; Then pressurize 45 ~ 60s; Close biased switch, oil-feed switch, compresses switch outward;
(7) form removal: first lifting body is removed, then start slowly move back external pressure piston rod, step back 15 ~ 20mm, then move back oil sealing fastening board and lower oil sealing fastening board, then external pressure piston rod is all opened; Unclamp upright nut, upper pillar stand is removed to and exceedes mould depanning height, and then unclamp the screw at oil sealing fastening board and lower oil sealing fastening board two ends, remove bed die, lower oil sealing fastening board, upper oil sealing fastening board, open ejection cylinder by mould ejection depanning height, move moulds to workbench, adjust position and again mould is erected to putting mould direction 90-degree rotation, start form removal, obtain product platinum-rhodium alloy bellows.
In described PtRh alloy sheet material and platinum-rhodium alloy thin layer, rhodium content is 0 ~ 25%.Described pad thickness is 2 ~ 3mm.
Before paste layer welding, first select materials: get that thickness is 1.0 ~ 1.5mm, width is 680 ~ 780mm, length is the PtRh alloy sheet material of 680 ~ 780mm.When paste layer welds, sticking one deck width is in welded joints 15 ~ 25mm, and thickness is 0.2 ~ 0.3mm, and length is the platinum-rhodium alloy thin layer of 680 ~ 780mm.
When die-filling, adjustment bed die oil-in direction becomes 40 ~ 50 degree of angles with vertical guide.
Described lifting body is mechanical jack or hydraulic jack or Pneumatic jack.
Beneficial effect of the present invention: platinum-rhodium alloy bellows of the present invention, can improve the service life of TFT-LCD platinum channel greatly, can prevent harmful fluids from entering measure portion simultaneously, can also be carried out the temperature error of compensation equipment by the changeability of volume.
Accompanying drawing explanation
Fig. 1 is machine tool structure schematic diagram of the present invention.
Fig. 2 is mould structure schematic diagram of the present invention.
Fig. 3 is mould structure sectional view of the present invention.
Description of reference numerals: 1, lower oil sealing fastening board; 2, upper oil sealing fastening board; 3, mould; 4, external mold; 5, internal mold; 6, cushion block; 7, ejection cylinder; 8, interior pressuring oil pipe; 9, upper pillar stand; 10, lower pillar stand; 11, upright nut; 12, external pressure piston head plate; 13, external pressure piston rod; 14, bed die.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1
Select materials: get that thickness is 1.0mm, width is 680mm, length is the PtRh alloy sheet material of 680mm, and wherein the rhodium content of sheet material is 20%.
(1) weld: described for step (1) alloy sheet material is rolled into tubulose, welds with welding machine, obtain platinum-rhodium alloy tubing.
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (2) obtained is made into bell mouth shape, then tubing is inserted in bed die 14, then lower oil sealing fastening board 1 is loaded, adjust bed die 14 oil-in direction during tight lock screw and become miter angle with vertical guide, then between external mold 4 and internal mold 5, add the cushion block 6 that some pieces of thickness are 2 ~ 3mm, then load upper oil sealing fastening board 2, then upper oil sealing fastening board 2 is tightly locked with screw, obtain mould 3;
(3) install: after confirming die-filling improving, mould 3 90-degree rotation that step (3) is obtained, lathe ejection cylinder 7 is raised to position simultaneously, connect interior pressuring oil pipe 8, then mould 3 is put into the column space that lathe upper pillar stand 9 and lower pillar stand 10 are formed, ejection cylinder 7 of then slowly backing off, starts outer compressing cylinder 8 after mould 3 puts in place, then depress lathe upper pillar stand 9, after putting in place, lock upright nut 11 again;
(4) preformed: start outer compressing cylinder and mould 3 is pressed onto position, external pressure meter pressure is 300kg, closes external pressure, compresses into oil circuit breaker in unlatching, mechanical jack is arranged on after external pressure piston head plate 12 simultaneously, open biased switch, interior pressure meter pressure controls at 100kg, after pressurize 45s, interior pressure is adjusted to 40kg, close biased switch, oil-feed switch, compresses switch outward;
(5) play cushion block: remove jack, outer compressing cylinder is stepped back 5mm, then compress into oil circuit breaker and biased switch in opening, Stress control is at 40kg, and the time is 5s, closes oil-feed switch, closes biased switch, shuts down and starts to remove cushion block 6;
(6) shaping: after cushion block 6 is complete, opens outer compressing switch the about 5mm shunk back pushed back, close outer compressing switch after putting in place, mechanical jack is arranged on after external pressure piston top 12 plate and kills, compress into oil circuit breaker in unlatching, biased switch.In keeping while pressing 30kg in treating, then pressure opens outer compressing switch; Reaching after 200kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 150kg; Then pressurize 45s; Close biased switch, oil-feed switch, compresses switch outward.
(7) form removal: first hydraulic jack is removed, then start slowly move back external pressure piston rod 13, step back 15mm, then move back oil sealing fastening board 2 and lower oil sealing fastening board 1, then external pressure piston rod 13 is all opened.Unclamp upright nut 11 upper pillar stand 9 is removed to exceed mould depanning height, and then unclamp the screw at oil sealing fastening board 2 and lower oil sealing fastening board 1 two ends, remove bed die 14, lower oil sealing fastening board 1, upper oil sealing fastening board 2, open ejection cylinder 7 and mould 3 is ejected depanning height, move moulds 3 to workbench, adjusting position again mould 3 to be erected to putting mould direction 90-degree rotation, starting form removal, obtaining product platinum-rhodium alloy bellows.
When there is no paste layer, find that bellows occurs huge breach in commissure.Bellows can not be used on product.
Embodiment 2
Select materials: get that thickness is 1.0mm, width is 680mm, length is the PtRh alloy sheet material of 680mm, and wherein the rhodium content of sheet material is 20%.
(1) paste layer welding: described for step (1) alloy sheet material is rolled into tubulose, welds with welding machine, then sticking one deck width is in welded joints 15mm, and thickness is 0.2mm, and length is the platinum-rhodium alloy thin layer of 680mm, obtains platinum-rhodium alloy tubing.
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (2) obtained is made into bell mouth shape, then tubing is inserted in bed die 14, then lower oil sealing fastening board 1 is loaded, adjust bed die 14 oil-in direction during tight lock screw and become miter angle with vertical guide, then between external mold 4 and internal mold 5, add the cushion block 6 that some pieces of thickness are 2 ~ 3mm, then load upper oil sealing fastening board 2, then upper oil sealing fastening board 2 is tightly locked with screw, obtain mould 3;
(3) install: after confirming die-filling improving, mould 3 90-degree rotation that step (3) is obtained, lathe ejection cylinder 7 is raised to position simultaneously, connect interior pressuring oil pipe 8, then mould 3 is put into the column space that lathe upper pillar stand 9 and lower pillar stand 10 are formed, ejection cylinder 7 of then slowly backing off, starts outer compressing cylinder 8 after mould 3 puts in place, then depress lathe upper pillar stand 9, after putting in place, lock upper pillar stand nut 11 again;
(4) preformed: start outer compressing cylinder and mould 3 is pressed onto position, external pressure meter pressure is 300kg, closes external pressure, compresses into oil circuit breaker in unlatching, mechanical jack is arranged on after external pressure piston head plate 12 simultaneously, open biased switch, interior pressure meter pressure controls at 100kg, after pressurize 45s, interior pressure is adjusted to 40kg, close biased switch, oil-feed switch, compresses switch outward;
(5) play cushion block: remove jack, outer compressing cylinder is stepped back 10mm, then compress into oil circuit breaker and biased switch in opening, Stress control is at 40kg, and the time is 5s, closes oil-feed switch, closes biased switch, shuts down and starts to remove cushion block 6;
(6) shaping: after cushion block 6 is complete, opens outer compressing switch the about 10mm shunk back pushed back, close outer compressing switch after putting in place, mechanical jack is arranged on external pressure piston head plate 12 and kills below, compress into oil circuit breaker in unlatching, biased switch.In keeping while pressing 30kg in treating, then pressure opens outer compressing switch; Reaching after 200kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 150kg; Then pressurize 45s; Close biased switch, oil-feed switch, compresses switch outward.
(7) form removal: first mechanical jack is removed, then start slowly move back external pressure piston rod 13, step back 15 ~ 20mm, then move back oil sealing fastening board 2 and lower oil sealing fastening board 1, then external pressure piston rod 13 is all opened.Unclamp upright nut 11, upper pillar stand 9 is removed to and exceedes mould depanning height, then the screw at oil sealing fastening board 2 and lower oil sealing fastening board 1 two ends is unclamped, remove bed die 14 and lower oil sealing fastening board 1, upper oil sealing fastening board 2, open ejection cylinder 7 and mould 3 is ejected depanning height, move moulds 3 to workbench, adjusts position and erected to putting mould direction 90-degree rotation by mould 3, start form removal, obtain product platinum-rhodium alloy bellows.
Bellows is successful, and can be used on product.
Embodiment 3
Select materials: get that thickness is 1.0, width is 680mm, length is the PtRh alloy sheet material of 680mm, and wherein the rhodium content of sheet material is 20%.
(1) paste layer welding: described for step (1) alloy sheet material is rolled into tubulose, welds with welding machine, then sticking one deck width is in welded joints 20mm, and thickness is 0.25mm, and length is the platinum-rhodium alloy thin layer of 680mm, obtains platinum-rhodium alloy tubing.
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (2) obtained is made into bell mouth shape, then tubing is inserted in bed die 14, then load lower oil sealing fastening board 1, during tight lock screw, adjustment bed die 14 oil-in direction becomes 50 degree of angles with vertical guide, obtains mould 3;
(3) install: after confirming die-filling improving, mould 3 90-degree rotation that step (3) is obtained, lathe ejection cylinder 7 is raised to position simultaneously, connect interior pressuring oil pipe 8, then mould is put into the column space that lathe upper pillar stand 9 and lower pillar stand 10 are formed, ejection cylinder 7 of then slowly backing off, starts outer compressing cylinder after mould 3 puts in place, then depress lathe upper pillar stand 9, after putting in place, lock upright nut 11 again;
(4) preformed: start outer compressing cylinder and mould 3 is pressed onto position, external pressure meter pressure is 300kg, closes external pressure, compresses into oil circuit breaker in unlatching, mechanical jack is arranged on after external pressure piston head plate 12 simultaneously, open biased switch, interior pressure meter pressure controls at 100kg, after pressurize 45s, interior pressure is adjusted to 40kg, close biased switch, oil-feed switch, compresses switch outward;
(5) shaping: mechanical jack to be arranged on external pressure piston head plate 12 and to kill below, compress into oil circuit breaker in unlatching, biased switch.In keeping while pressing 30kg in treating, then pressure opens outer compressing switch; Reaching after 200 ~ 300kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 150kg; Then pressurize 45s; Close biased switch, oil-feed switch, compresses switch outward.
(6) form removal: first Pneumatic jack is removed, then start slowly move back external pressure piston rod, step back 15 ~ 20mm, then move back oil sealing fastening board 2 and lower oil sealing fastening board 1, then external pressure piston rod 13 is all opened.Unclamp upright nut 11 upper pillar stand is removed to exceed mould 3 depanning height, and then unclamp the screw at oil sealing fastening board 2 and lower oil sealing fastening board 1 two ends, remove bed die 14, lower oil sealing fastening board 1, upper oil sealing fastening board 2, open ejection cylinder 7 and mould 3 is ejected depanning height, move moulds 3 to workbench, adjusting position again mould 3 to be erected to putting mould direction 90-degree rotation, starting form removal, obtaining product platinum-rhodium alloy bellows.
When not having cushion block, be stuck between mould and mould, mould is difficult to remove.Bellows surface scratches serious, can not be used on product.
Embodiment 4
Select materials: get that thickness is 1.0mm, width is 680mm, length is the PtRh alloy sheet material of 680mm, and wherein the rhodium content of sheet material is 20%.
(1) paste layer welding: described for step (1) alloy sheet material is rolled into tubulose, welds with welding machine, then sticking one deck width is in welded joints 25mm, and thickness is 0.3mm, and length is the platinum-rhodium alloy thin layer of 680mm, obtains platinum-rhodium alloy tubing.
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (2) obtained is made into bell mouth shape, then tubing is inserted in bed die 14, then lower oil sealing fastening board 1 is loaded, adjust bed die 14 oil-in direction during tight lock screw and become miter angle with vertical, then between external mold 4 and internal mold 5, add the cushion block 6 that some pieces of thickness are 2 ~ 3mm, then load upper oil sealing fastening board 2, then upper oil sealing fastening board 2 is tightly locked with screw, obtain mould 3;
(3) install: after confirming die-filling improving, mould 3 90-degree rotation that step (3) is obtained, lathe ejection cylinder 7 is raised to position simultaneously, connect interior pressuring oil pipe 8, then mould 3 is put into the column space that lathe upper pillar stand 9 and lower pillar stand 10 are formed, ejection cylinder 7 of then slowly backing off, starts outer compressing cylinder after mould 3 puts in place, then depress lathe upper pillar stand 9, after putting in place, lock upright nut 11 again;
(4) preformed: start outer compressing cylinder and mould 3 is pressed onto position, external pressure meter pressure is 350kg, closes external pressure, compresses into oil circuit breaker in unlatching, open biased switch, interior pressure meter pressure controls at 150kg, after pressurize 50s, interior pressure is adjusted to 40kg, close biased switch, oil-feed switch, compresses switch outward;
(5) shaping: after cushion block has risen, to open outer compressing switch the about 5mm shunk back pushed back, close outer compressing switch after putting in place, compress into oil circuit breaker in unlatching, biased switch.In keeping while pressing 30kg in treating, then pressure opens outer compressing switch; Reaching after 200 ~ 300kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 150kg; Then pressurize 45s; In finding, force feed knocks over mould, makes unsuccessfully.
Embodiment 5
Select materials: get that thickness is 1.2mm, width is 700mm, length is the PtRh alloy sheet material of 700mm, and wherein the rhodium content of sheet material is 15%.
(1) paste layer welding: described for step (1) alloy sheet material is rolled into tubulose, welds with welding machine, then sticking one deck width is in welded joints 15mm, and thickness is 0.2mm, and length is the platinum-rhodium alloy thin layer of 700mm, obtains platinum-rhodium alloy tubing.
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (2) obtained is made into bell mouth shape, then tubing is inserted in bed die 14, then lower oil sealing fastening board 1 is loaded, adjust bed die 14 oil-in direction during tight lock screw and become miter angle with vertical guide, then between external mold 4 and internal mold 5, add the cushion block 6 that some pieces of thickness are 2 ~ 3mm, then load upper oil sealing fastening board 2, then upper oil sealing fastening board 2 is tightly locked with screw, obtain mould 3;
(3) install: after confirming die-filling improving, mould 3 90-degree rotation that step (3) is obtained, lathe ejection cylinder 7 is raised to position simultaneously, connect interior pressuring oil pipe 8, then mould 3 is put into the column space that lathe upper pillar stand 9 and lower pillar stand 10 are formed, ejection cylinder 7 of then slowly backing off, starts outer compressing cylinder after mould 3 puts in place, then depress lathe upper pillar stand 9, after putting in place, lock upright nut 11 again;
(4) preformed: start outer compressing cylinder and mould 3 is pressed onto position, external pressure meter pressure is 350kg, closes external pressure, compresses into oil circuit breaker in unlatching, mechanical jack is arranged on after external pressure piston head plate simultaneously, open biased switch, interior pressure meter pressure controls at 150kg, after pressurize 45s, interior pressure is adjusted to 50kg, close biased switch, oil-feed switch, compresses switch outward;
(5) play cushion block: remove jack, outer compressing cylinder is stepped back 5 ~ 10mm, then compress into oil circuit breaker and biased switch in opening, Stress control is at 50kg, and the time is 10s, closes oil-feed switch, closes biased switch, shuts down and starts to remove cushion block;
(6) shaping: after cushion block has risen, to open outer compressing switch the about 5 ~ 10mm shunk back pushed back, close outer compressing switch after putting in place, mechanical jack is arranged on external pressure piston head plate 12 and kills below, compress into oil circuit breaker in unlatching, biased switch.In keeping while pressing 40kg in treating, then pressure opens outer compressing switch; Reaching after 300kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 200kg; Then pressurize 50s; Close biased switch, oil-feed switch, compresses switch outward.
(7) form removal: first hydraulic jack is removed, then start slowly move back external pressure piston rod 13, step back 15 ~ 20mm, then move back oil sealing fastening board 2 and lower oil sealing fastening board 1, then external pressure piston rod 13 is all opened.Unclamp upright nut 11 upper pillar stand 9 is removed to exceed mould 3 depanning height, and then unclamp the screw at oil sealing fastening board 2 and lower oil sealing fastening board 1 two ends, remove bed die 14, lower oil sealing fastening board 1, upper oil sealing fastening board 2, open ejection cylinder 7 and mould 3 is ejected depanning height, move moulds 3 to workbench, adjusting position again mould 3 to be erected to putting mould direction 90-degree rotation, starting form removal, obtaining product platinum-rhodium alloy bellows.
Bellows is successful, and can be used on product.
Embodiment 6
Select materials: get that thickness is 1.2mm, width is 700mm, length is the PtRh alloy sheet material of 700mm, and wherein the rhodium content of sheet material is 10%.
(1) paste layer welding: described for step (1) alloy sheet material is rolled into tubulose, welds with welding machine, then sticking one deck width is in welded joints 15mm, and thickness is 0.25mm, and length is the platinum-rhodium alloy thin layer of 700mm, obtains platinum-rhodium alloy tubing.
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (2) obtained is made into bell mouth shape, then tubing is inserted in bed die 14, then lower oil sealing fastening board 1 is loaded, adjust bed die 14 oil-in direction during tight lock screw and become miter angle with vertical guide, then between external mold 4 and internal mold 5, add the cushion block 6 that some pieces of thickness are 2 ~ 3mm, then load upper oil sealing fastening board 1, then upper oil sealing fastening board 1 is tightly locked with screw, obtain mould 3;
(3) install: after confirming die-filling improving, mould 3 90-degree rotation that step (3) is obtained, lathe ejection cylinder 6 is raised to position simultaneously, connect interior pressuring oil pipe 8, then mould 3 is put into the column space that lathe upper pillar stand 9 and lower pillar stand 10 are formed, ejection cylinder 7 of then slowly backing off, starts outer compressing cylinder after mould 3 puts in place, then depress lathe upper pillar stand 9, after putting in place, lock upright nut 11 again;
(4) preformed: start outer compressing cylinder and mould 3 is pressed onto position, external pressure meter pressure is 400kg, closes external pressure, compresses into oil circuit breaker in unlatching, mechanical jack is arranged on after external pressure piston head plate 12 simultaneously, open biased switch, interior pressure meter pressure controls at 120kg, after pressurize 45s, interior pressure is adjusted to 50kg, close biased switch, oil-feed switch, compresses switch outward;
(5) play cushion block: remove jack, outer compressing cylinder is stepped back 8mm, then compress into oil circuit breaker and biased switch in opening, Stress control is at 45kg, and the time is 10s, closes oil-feed switch, closes biased switch, shuts down and starts to remove cushion block 6;
(6) shaping: after cushion block 6 is complete, opens outer compressing switch the about 8mm shunk back pushed back, close outer compressing switch after putting in place, mechanical jack is arranged on external pressure piston head plate 12 and kills below, compress into oil circuit breaker in unlatching, biased switch.In keeping while pressing 40kg in treating, then pressure opens outer compressing switch; Reaching after 300kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 200kg; Then pressurize 50s; Close biased switch, oil-feed switch, compresses switch outward.
(7) form removal: first Pneumatic jack is removed, then start slowly move back external pressure piston rod 13, step back 15 ~ 20mm, then move back oil sealing fastening board 2 and lower oil sealing fastening board 1, then external pressure piston rod 13 is all opened.Unclamp upright nut 11 upper pillar stand 9 is removed to exceed mould 3 depanning height, and then unclamp the screw at oil sealing fastening board 2 and lower oil sealing fastening board 1 two ends, remove bed die 14, lower oil sealing fastening board 1, upper oil sealing fastening board 2, open ejection cylinder 7 and mould 3 is ejected depanning height, move moulds 3 to workbench, adjusting position again mould 3 to be erected to putting mould direction 90-degree rotation, starting form removal, obtaining product platinum-rhodium alloy bellows.
Bellows is successful, and can be used on product.
Embodiment 7
Select materials: get that thickness is 1.5mm, width is 700mm, length is the PtRh alloy sheet material of 700mm, and wherein the rhodium content of sheet material is 5%.
(1) paste layer welding: described for step (1) alloy sheet material is rolled into tubulose, welds with welding machine, then sticking one deck width is in welded joints 25mm, and thickness is 0.2mm, and length is the platinum-rhodium alloy thin layer of 700mm, obtains platinum-rhodium alloy tubing.
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (2) obtained is made into bell mouth shape, then tubing is inserted in bed die 14, then lower oil sealing fastening board 1 is loaded, adjust bed die 14 oil-in direction during tight lock screw and become 50 degree of angles with vertical guide, then between external mold 4 and internal mold 5, add the cushion block 6 that some pieces of thickness are 2 ~ 3mm, then load upper oil sealing fastening board 2, then upper oil sealing fastening board 2 is tightly locked with screw, obtain mould 3;
(3) install: after confirming die-filling improving, mould 3 90-degree rotation that step (3) is obtained, lathe ejection cylinder 7 is raised to position simultaneously, connect interior pressuring oil pipe 8, then mould 3 is put into the column space that lathe upper pillar stand 9 and lower pillar stand 10 are formed, ejection cylinder 7 of then slowly backing off, starts outer compressing cylinder after mould 3 puts in place, then depress lathe upper pillar stand 9, after putting in place, lock upright nut 11 again;
(4) preformed: start outer compressing cylinder and mould 3 is pressed onto position, external pressure meter pressure is 380kg, closes external pressure, compresses into oil circuit breaker in unlatching, mechanical jack is arranged on after external pressure piston head plate 12 simultaneously, open biased switch, interior pressure meter pressure controls at 130kg, after pressurize 50s, interior pressure is adjusted to 50kg, close biased switch, oil-feed switch, compresses switch outward;
(5) play cushion block: remove jack, outer compressing cylinder is stepped back 6mm, then compress into oil circuit breaker and biased switch in opening, Stress control is at 50kg, and the time is 10s, closes oil-feed switch, closes biased switch, shuts down and starts to remove cushion block 6;
(6) shaping: after cushion block 6 is complete, opens outer compressing switch the about 6mm shunk back pushed back, close outer compressing switch after putting in place, mechanical jack is arranged on external pressure piston head plate 12 and kills below, compress into oil circuit breaker in unlatching, biased switch.In keeping while pressing 40kg in treating, then pressure opens outer compressing switch; Reaching after 280kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 200kg; Then pressurize 50s; Close biased switch, oil-feed switch, compresses switch outward.
(7) form removal: first hydraulic jack is removed, then start slowly move back external pressure piston rod 13, step back 15 ~ 20mm, then move back oil sealing fastening board 2 and lower oil sealing fastening board 1, then external pressure piston rod 13 is all opened.Unclamp upright nut 11 upper pillar stand 9 is removed to exceed mould 3 depanning height, and then unclamp the screw at oil sealing fastening board 2 and lower oil sealing fastening board 1 two ends, remove bed die 14, lower oil sealing fastening board 1, upper oil sealing fastening board 2, open ejection cylinder 7 and mould 3 is ejected depanning height, move moulds 3 to workbench, adjusting position again mould 3 to be erected to putting mould direction 90-degree rotation, starting form removal, obtaining product platinum-rhodium alloy bellows.
Bellows is successful, and can be used on product.
Embodiment 8
Select materials: get that thickness is 1.5mm, width is 720mm, length is the Pt sheet material of 720mm.
(1) paste layer welding: described for step (1) alloy sheet material is rolled into tubulose, welds with welding machine, then sticking one deck width is in welded joints 25mm, and thickness is 0.2mm, and length is the platinum thin layer of 700mm, obtains platinotron material.
(2) die-filling: the mouth of pipe of platinotron material step (2) obtained is made into bell mouth shape, then tubing is inserted in bed die 14, then lower oil sealing fastening board 1 is loaded, adjust bed die 14 oil-in direction during tight lock screw and become miter angle with vertical guide, then between external mold 4 and internal mold 5, add the cushion block 6 that some pieces of thickness are 2 ~ 3mm, then load upper oil sealing fastening board 2, then upper oil sealing fastening board 2 is tightly locked with screw, obtain mould 3;
(3) install: after confirming die-filling improving, mould 3 90-degree rotation that step (3) is obtained, lathe ejection cylinder 7 is raised to position simultaneously, connect interior pressuring oil pipe 8, then mould 3 is put into the column space that lathe upper pillar stand 9 and lower pillar stand 10 are formed, ejection cylinder 7 of then slowly backing off, starts outer compressing cylinder after mould 3 puts in place, then depress lathe upper pillar stand 9, after putting in place, lock upright nut 11 again;
(4) preformed: start outer compressing cylinder and mould 3 is pressed onto position, external pressure meter pressure is 300kg, closes external pressure, compresses into oil circuit breaker in unlatching, mechanical jack is arranged on after external pressure piston head plate 12 simultaneously, open biased switch, interior pressure meter pressure controls at 100kg, after pressurize 45s, interior pressure is adjusted to 50kg, close biased switch, oil-feed switch, compresses switch outward;
(5) play cushion block: remove jack, outer compressing cylinder is stepped back 5 ~ 10mm, then compress into oil circuit breaker and biased switch in opening, Stress control is at 50kg, and the time is 10s, closes oil-feed switch, closes biased switch, shuts down and starts to remove cushion block 6;
(6) shaping: after cushion block 6 is complete, opens outer compressing switch the about 5 ~ 10mm shunk back pushed back, close outer compressing switch after putting in place, mechanical jack is arranged on external pressure piston head plate 12 and kills below, compress into oil circuit breaker in unlatching, biased switch.In keeping while pressing 40kg in treating, then pressure opens outer compressing switch; Reaching after 300kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 200kg; Then pressurize 50s; Close biased switch, oil-feed switch, compresses switch outward.
(7) form removal: first mechanical jack is removed, then start slowly move back external pressure piston rod 13, step back 15 ~ 20mm, then move back oil sealing fastening board 2 and lower oil sealing fastening board 1, then external pressure piston rod 13 is all opened.Unclamp upright nut 11 upper pillar stand 9 is removed to exceed mould 3 depanning height, and then unclamp the screw at oil sealing fastening board 2 and lower oil sealing fastening board 1 two ends, remove bed die 14, lower oil sealing fastening board 1, upper oil sealing fastening board 2, open ejection cylinder and mould 3 is ejected depanning height, move moulds 3 to workbench, adjusting position again mould 3 to be erected to putting mould direction 90-degree rotation, starting form removal, obtaining product platinum-rhodium alloy bellows.
Bellows is successful, and can be used on product.
Claims (7)
1. the production method of platinum-rhodium alloy bellows, is characterized in that step is:
(1) paste layer welding: PtRh alloy sheet material is rolled into tubulose, welds with welding machine, then stick one deck platinum-rhodium alloy thin layer in welded joints, obtain platinum-rhodium alloy tubing;
(2) die-filling: the mouth of pipe of platinum-rhodium alloy tubing step (1) obtained is made into bell mouth shape, again platinum-rhodium alloy tubing is inserted in bed die (14), load lower oil sealing clamping plate (1), it is skewed for adjusting bed die (14) oil-in direction during tight lock screw, then between external mold (4) and internal mold (5), cushion block (6) is added, finally load upper oil sealing fastening board (2), upper oil sealing fastening board (2) is tightly locked with screw, obtains mould (3);
(3) install: after confirming die-filling improving, mould (3) 90-degree rotation that step (2) is obtained, lathe ejection cylinder (7) is raised to position simultaneously, connect interior pressuring oil pipe (8), then mould (3) is put into the column space that lathe upper pillar stand (9) and lower pillar stand (10) are formed, then ejection cylinder (7) of slowly backing off; After mould (3) puts in place, start outer compressing cylinder, then depress upper pillar stand (9), after putting in place, lock upright nut (11) again;
(4) preformed: start outer compressing cylinder and mould (3) is pressed onto position, reach 300 ~ 400kg at external pressure meter pressure; Close external pressure, compress into oil circuit breaker in unlatching, lifting body is arranged on after external pressure piston head plate (12) simultaneously, open biased switch, interior pressure meter pressure controls at 100 ~ 150kg, after pressurize 45 ~ 60s, interior pressure is adjusted to 40 ~ 50kg, close biased switch, oil-feed switch, compresses switch outward;
(5) play cushion block: remove lifting body, outer compressing cylinder is stepped back 5 ~ 10mm, then compress into oil circuit breaker and biased switch in opening, Stress control is at 40 ~ 50kg, and the time is 5 ~ 15s, then closes oil-feed switch, closes biased switch, shuts down and starts to remove cushion block (6);
(6) shaping: after treating that cushion block (6) removes, open outer compressing switch and the 5 ~ 10mm shunk back pushed back, close outer compressing switch after putting in place, lifting body is arranged on external pressure piston head plate (12) and kills below, compress into oil circuit breaker in unlatching, biased switch; In keeping while pressing 30 ~ 40kg in treating, then pressure opens outer compressing switch; Reaching after 200 ~ 300kg until external pressure keeps external pressure to continue pressure in liter, until internal pressure table is to 150 ~ 200kg; Then pressurize 45 ~ 60s; Close biased switch, oil-feed switch, compresses switch outward;
(7) form removal: first lifting body is removed, then start slowly move back external pressure piston rod (13), step back 15 ~ 20mm, then move back oil sealing fastening board (2) and lower oil sealing fastening board (1), then external pressure piston rod (13) is all opened; Unclamp upright nut (11), upper pillar stand (9) is removed to and exceedes mould depanning height, and then unclamp the screw at oil sealing fastening board (2) and lower oil sealing fastening board (1) two ends, remove bed die (14), lower oil sealing fastening board (1), upper oil sealing fastening board (2), open ejection cylinder (7) and mould (3) is ejected depanning height, move moulds (3) to workbench, adjust position again mould (3) to be erected to putting mould direction 90-degree rotation, start form removal, obtain product platinum-rhodium alloy bellows.
2. the production method of platinum-rhodium alloy bellows as claimed in claim 1, is characterized in that: in described PtRh alloy sheet material and platinum-rhodium alloy thin layer, rhodium content is 0 ~ 25%.
3. the production method of platinum-rhodium alloy bellows as claimed in claim 1, is characterized in that: described cushion block (6) thickness is 2 ~ 3mm.
4. the production method of platinum-rhodium alloy bellows as claimed in claim 1, is characterized in that: before paste layer welding, first select materials: get that thickness is 1.0 ~ 1.5mm, width is 680 ~ 780mm, and length is the PtRh alloy sheet material of 680 ~ 780mm.
5. the production method of platinum-rhodium alloy bellows as claimed in claim 1, it is characterized in that: when paste layer welds, sticking one deck width is in welded joints 15 ~ 25mm, and thickness is 0.2 ~ 0.3mm, and length is the platinum-rhodium alloy thin layer of 680 ~ 780mm.
6. the production method of platinum-rhodium alloy bellows as claimed in claim 1, is characterized in that: when die-filling, and adjustment bed die (14) oil-in direction becomes 40 ~ 50 degree of angles with vertical guide.
7. the production method of platinum-rhodium alloy bellows as claimed in claim 1, is characterized in that: described lifting body is mechanical jack or hydraulic jack or Pneumatic jack.
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|---|---|---|---|---|
| JP2000130653A (en) * | 1998-10-28 | 2000-05-12 | Hitachi Metals Ltd | Metallic flexible pipe covered with resin |
| CN101561321A (en) * | 2009-05-18 | 2009-10-21 | 无锡英特派金属制品有限公司 | Dispersion strengthening platinum/rhodium10-platinum thermocouple wires and production method thereof |
| CN101935146A (en) * | 2010-03-24 | 2011-01-05 | 河北东旭投资集团有限公司 | Treatment method of glass metal in platinum channel |
| JP2014201836A (en) * | 2013-04-09 | 2014-10-27 | ベーオーアー バルク− ウント コンペンザトーレン−テヒノロギー ゲーエムベーハー | Method for manufacturing bellows and/or bellows |
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2014
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130653A (en) * | 1998-10-28 | 2000-05-12 | Hitachi Metals Ltd | Metallic flexible pipe covered with resin |
| CN101561321A (en) * | 2009-05-18 | 2009-10-21 | 无锡英特派金属制品有限公司 | Dispersion strengthening platinum/rhodium10-platinum thermocouple wires and production method thereof |
| CN101935146A (en) * | 2010-03-24 | 2011-01-05 | 河北东旭投资集团有限公司 | Treatment method of glass metal in platinum channel |
| JP2014201836A (en) * | 2013-04-09 | 2014-10-27 | ベーオーアー バルク− ウント コンペンザトーレン−テヒノロギー ゲーエムベーハー | Method for manufacturing bellows and/or bellows |
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