CN105642690A - Method for manufacturing steel section, extrusion device and steel extrusion ingot - Google Patents
Method for manufacturing steel section, extrusion device and steel extrusion ingot Download PDFInfo
- Publication number
- CN105642690A CN105642690A CN201510808037.1A CN201510808037A CN105642690A CN 105642690 A CN105642690 A CN 105642690A CN 201510808037 A CN201510808037 A CN 201510808037A CN 105642690 A CN105642690 A CN 105642690A
- Authority
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- China
- Prior art keywords
- steel
- ingot
- squeezes
- section bar
- squeeze
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 194
- 239000010959 steel Substances 0.000 title claims abstract description 194
- 238000001125 extrusion Methods 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 33
- 239000000314 lubricant Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000004080 punching Methods 0.000 claims description 17
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000000886 hydrostatic extrusion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 102200082816 rs34868397 Human genes 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention discloses a manufacturing method of a steel section, an extrusion device and a steel extrusion ingot, wherein the manufacturing method of the steel section comprises the following steps: providing a steel ingot, wherein the steel ingot comprises a hollow interior and a lubricant, and the lubricant is filled in the hollow interior; heating the steel ingot; pushing the steel extruded ingot to a position to be extruded; piercing the hollow interior of the steel extrusion; and extruding the steel ingot to form a steel profile. The invention can make a hollow steel extrusion ingot be extruded and formed to a shape required by a steel section bar at one time, and the deformation of the material is small when the hollow steel extrusion ingot is extruded and formed.
Description
Technical field
The present invention relates to the manufacture method of a kind of steel section bar, squeeze type device and the crowded ingot of steel, and relate to the manufacture method of a kind of steel section bar especially, the crowded ingot of a hollow steel can once be extruded and be shaped to a steel section bar desired shape.
Background technology
Crowded type is referred to and is shaped by fashion of extrusion by material, its principle squeeze wood/steel is squeezed ingot by mildly heating and pressurize, uniform velocity or speed change degree squeeze into mould to make the product of desired shape, size and physical property, are therefore applicable to easily moulding the metal of shape and the processing of plastics.
Current linear slide rail market, except the large-scale slide rail of minority substitutes with aluminium alloy because considering light weight, linear slide rails most now is still based on steel. But, the manufacture method of current steel section bar, slide rail base is mainly with the cycling program of the multi-pass such as rolling or cold the system of taking out and need repeatedly anneal and could obtain the profiled member of slide rail base; Slide block is then to forge or mechanical workout acquirement, and materials'use rate is low and processing charges is high.
Therefore, just there is the manufacture method needing to provide a kind of steel section bar, it is possible to solve aforesaid problem.
Summary of the invention
It is an object of the invention to provide the manufacture method of a kind of steel section bar, squeeze type device and the crowded ingot of steel, the crowded ingot of a hollow steel can once be extruded and be shaped to a steel section bar desired shape, material deformation amount when it extrudes shaping is little.
For realizing above-mentioned object, the present invention provides the manufacture method of a kind of steel section bar, comprises the following step: provide a steel to squeeze ingot, and wherein the crowded ingot of this steel comprises an empty internal and a lubricant, and this lubricant is filled in this empty internal; Heat this steel and squeeze ingot; This steel is squeezed ingot and is pushed to a position to be extruded; Puncture this steel squeeze ingot empty internal; And extrude the crowded ingot of this steel and the crowded ingot of this steel is extruded and is configured as this steel section bar.
Wherein, the step that crowded for this steel ingot is pushed to a position to be extruded is comprised: steel is squeezed ingot and is positioned in an ingot-containing tube, and promote this steel to squeeze ingot to this position to be extruded with an extrusion stem; The step of empty internal that this steel squeezes ingot that punctures comprises: squeezes the empty internal of ingot with a punching bar this steel that punctures, makes this lubricant cover this punching bar, and this punching bar is arrived a specified location; And extrude the crowded ingot of this steel and make the crowded ingot of this steel extrude the step being configured as this steel section bar and comprise: extruding this steel with this extrusion stem squeezes ingot, makes this steel squeeze ingot and extrudes be configured as this steel section bar according to the outlet section shape of an extrusion mould.
Wherein, this steel squeezes the material of ingot is carbon steel.
Wherein, this steel section bar has indent section shape.
Wherein, it is a hollow circular column that this steel squeezes ingot, and the hollow circular squeezed system of section shape of the crowded ingot of this steel is configured as the indent section shape of this steel section bar.
Wherein, it is a hollow square column that this steel squeezes ingot, and the hollow square squeezed system of section shape of the crowded ingot of this steel is configured as the indent section shape of this steel section bar.
The present invention also provides a kind of and squeezes type device, comprises: an ingot-containing tube, squeezes ingot in order to put a steel; One extrusion stem, advances relative to this ingot-containing tube or steps back motion, squeezes ingot in order to promote and to extrude this steel; One punching bar, advances relative to this ingot-containing tube or steps back motion, and in order to puncture, this steel squeezes ingot; And an extrusion mould, be fixedly arranged on this ingot-containing tube, wherein when this extrusion stem extrude this steel squeeze ingot time, this steel squeezes ingot and extrudes be configured as a steel section bar according to an outlet section shape of this extrusion mould.
The present invention also provides a kind of steel to squeeze ingot, comprises: an empty internal; And a lubricant, it is filled in this empty internal.
Wherein, this lubricant is a glass base lubricant.
Wherein, more comprise: two end plates, it is fixed in the both sides that this steel squeezes ingot.
The manufacture method of the steel section bar of the present invention is by the indent section shape of this steel section bar, this steel is squeezed ingot and is designed to hollow, the crowded ingot of this steel can be made once to extrude and to be shaped to this steel section bar desired shape (material deformation amount when extruding shaping is little), reach the benefit reducing material deterioration inside and following process passage, can be applicable to the linear slide rail assembly needed for the industry such as machine tool and semiconductor devices future, and the rail bar part needed for drawer sliding rail.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section of the crowded type equipment of one embodiment of the invention.
Fig. 2 a and Fig. 2 b is section and the schematic perspective view of the crowded ingot of steel of one embodiment of the invention.
Fig. 3 a and Fig. 3 b is section and the schematic perspective view of the crowded ingot of steel of another embodiment of the present invention.
Fig. 4 is the schema of the manufacture method of the steel section bar of one embodiment of the invention.
Fig. 5 is the diagrammatic cross-section of the manufacture method of the steel section bar of one embodiment of the invention, and this steel is squeezed ingot and is pushed to a position to be extruded by its display.
Fig. 6 is the diagrammatic cross-section of the manufacture method of the steel section bar of one embodiment of the invention, and its display this steel of puncture squeezes the empty internal of ingot.
Fig. 7 is the diagrammatic cross-section of the manufacture method of the steel section bar of one embodiment of the invention, and its display this steel of extruding squeezes ingot and the crowded ingot of this steel extruded and is configured as this steel section bar.
Fig. 8 is along the crowded type equipment of Fig. 7 along the diagrammatic cross-section of hatching line A-A '.
Fig. 9 a is the diagrammatic cross-section that one embodiment of the invention steel squeezes ingot and steel section bar.
Fig. 9 b is the crowded ingot of steel of a prior art and the diagrammatic cross-section of steel section bar.
Figure 10 a is the diagrammatic cross-section that another embodiment of the present invention steel squeezes ingot and steel section bar.
The steel of Figure 10 another prior art of b squeezes the diagrammatic cross-section of ingot and steel section bar.
Wherein, Reference numeral:
100 squeeze type equipment
110 ingot-containing tubes
120 extrusion stems
122 first propulsion sources
124 first party to
130 punching bars
132 the 2nd propulsion sources
134 second directions
140 extrusion moulds
142 outlets
200 steels squeeze ingot
200 ' steel squeezes ingot
202 empty internal
204 lubricants
206 end plates
250 steel section bars
S100��S140 step
Embodiment
For the above-mentioned purpose of the present invention, characteristic sum feature can be become apparent, hereby coordinate and graphic related embodiment of the present invention is described in detail as follows.
Fig. 1 is the diagrammatic cross-section of the crowded type equipment of one embodiment of the invention. This crowded type equipment 100 comprises an ingot-containing tube 110 (container), an extrusion stem 120 (ram), a punching bar 130 (mandrel) and an extrusion mould 140 (die). In order to put, a steel squeezes ingot 200 (steelbillet) to this ingot-containing tube 110. This extrusion stem 120 can advance relative to this ingot-containing tube 110 or step back motion, squeezes ingot 200 in order to promote and to extrude this steel. This extrusion stem 120 can comprise pressure cake (dummy) (not shown), squeezes ingot 200 in order to contact this steel. This punching bar 130 can advance relative to this ingot-containing tube 110 or step back motion, squeezes the empty internal 202 of ingot 200 in order to this steel that punctures. This extrusion mould 140 is fixedly arranged on this ingot-containing tube 110. When this extrusion stem 120 extrude this steel squeeze ingot 200 time, this steel squeeze ingot 200 extrude be configured as a steel section bar according to the outlet 142 section shape of this extrusion mould 140.
In the present embodiment, with reference to figure 2a and Fig. 2 b, it is hollow circular column that this steel squeezes ingot 200. Or, in another embodiment, with reference to figure 3a and Fig. 3 b, it is hollow square column that this steel squeezes ingot 200. This steel squeezes ingot 200 and comprises empty internal 202 and lubricant 204, such as a glass base lubricant, is filled in this empty internal 202. In the present embodiment, the empty internal 202 that this steel squeezes ingot 200 can be preshaped by such as mechanical processing technique (such as bore process), this empty internal 202 can but be not limited to circular hole, the crowded ingot 200 of this steel more comprises two end plates 206 (such as steel thin plate) and admittedly connects (such as weld or stick and connect) in its both sides, this lubricant 204 is made to be sealed in this empty internal 202, to avoid high temperature to come off. The material that this steel squeezes ingot 200 can be iron material or carbon steel, such as soft steel SS41 or medium carbon steel S45C (but being not limited to this).
Fig. 4 is the schema of the manufacture method of the steel section bar of one embodiment of the invention. The manufacture method of this steel section bar, comprises the following step:
In the step s 100, it is provided that a steel squeezes ingot, this steel squeezes ingot and comprises an empty internal, and this empty internal is filled with a lubricant. In the present embodiment, this steel squeezes ingot 200 and comprises empty internal 202 and a lubricant 204, and this lubricant 204 is filled in this empty internal 202, and this lubricant 204 can be glass base lubricant, as shown in Fig. 2 a and Fig. 2 b.
In step s 110, heat this steel and squeeze ingot. In detail, this steel is squeezed ingot 200 and heat-treats program (heattreatmentprocess), the material behavior that this steel squeezes ingot 200 can be changed, make it to become the state being easy to processing. Such as, in this embodiment, this steel squeezes ingot 200 and can be carbon steel, and it is via, after heat treatment process, being heated to about 1150 DEG C, extrude shaping in order to follow-up.
In the step s 120, this steel is squeezed ingot and it is pushed to a position to be extruded. In the present embodiment, with reference to figure 5, steel is squeezed ingot 200 and is positioned in an ingot-containing tube 110, and promote this steel to squeeze ingot 200 to this position to be extruded with an extrusion stem 120. This extrusion stem 120 can be driven along a first party to 124 by one first propulsion source 122.
In step s 130, which, puncture this steel squeeze ingot empty internal. In the present embodiment, with reference to figure 6, the empty internal 202 of the crowded ingot 200 of this steel that punctures with a punching bar 130, and this punching bar 130 is arrived a fixed position, make this lubricant 204 cover this punching bar 130. This punching bar 130 can be driven along a second direction 134 by one the 2nd propulsion source 132. Squeeze with regard to the unitized design of ingot 200 and this punching bar 130 with regard to having the steel of this empty internal 202, this lubricant 204 can reduce and rubs and increase lubricant effect, and during to avoid the follow-up technique extruding shaping, this punching bar 130 ruptures.
In step S140, extrude this steel and squeeze ingot and the crowded ingot of this steel is extruded and is configured as a steel section bar. In the present embodiment, with reference to figure 7, this extrusion stem 120 can be driven along this first party to 124 by this first propulsion source 122 again, extrude this steel with this extrusion stem 120 and squeeze ingot 200, make this steel squeeze ingot 200 to extrude be configured as this steel section bar 250 according to the outlet 142 section shape of an extrusion mould 140, as shown in Figure 8. It should be noted that, described in extrude shaping (extrusion) technique can comprise such as, directly squeeze type, indirectly squeeze type or hydrostatic extrusion type etc., but be not limited to this.
Particularly when this steel section bar for the manufacture of linear slide rail (slide rail base and slide block) or during drawer sliding rail, this steel section bar must have indent section shape. In the present embodiment, with reference to figure 9a and Fig. 9 b, the material deformation amount of indent section shape that the hollow circular section profile extrusion that the present invention squeezes ingot 200 by this steel is configured as this steel section bar 250 is less than the material deformation amount that the solid circles section profile extrusion that prior art squeezes ingot 200 ' by this steel is configured as the indent section shape of this steel section bar 250. In another embodiment, with reference to figure 10a and Figure 10 b, the material deformation amount of indent section shape that the hollow square section profile extrusion that the present invention squeezes ingot 200 by this steel is shaped to this steel section bar 250 is less than the material deformation amount that the solid squares section profile extrusion that prior art squeezes ingot 200 ' by this steel is shaped to the indent section shape of this steel section bar 250.
Therefore, the steel of the present invention squeezes the hollow circular section shape of ingot 200 or hollow square section shape is easier to extrude the indent section shape (material deformation amount is little) being configured as this steel section bar 250. Moreover, although the rigidity of steel material is greater than the rigidity of aluminum material, but when the steel of the present invention squeezes the hollow circular section shape of ingot 200 or hollow square section profile extrusion is configured as indent section shape (material deformation amount is little) of this steel section bar 250, the outlet 142 of this extrusion mould 140 relatively is not easy to damage, as shown in Figure 8.
The manufacture method of the steel section bar of the present invention is by the indent section shape of this steel section bar, this steel is squeezed ingot and is designed to hollow, the crowded ingot of this steel can be made once to extrude and to be shaped to this steel section bar desired shape (material deformation amount when extruding shaping is little), reach the benefit reducing material deterioration inside and following process passage, can be applicable to the linear slide rail assembly needed for the industry such as machine tool and semiconductor devices future, and the rail bar part needed for drawer sliding rail.
The present invention, via the designed technique extruding shaping, can reach the object manufacturing this steel section bar, and reduce the defect such as surface oxidation and decarburization and produce. The manufacture method of the steel section bar of the present invention can replace tradition with rolling or the manufacture method taking out technique processed, can significantly reduce amount of finish and processing passage, to provide the rail bar part of the linear slide rail assembly meeting demand and drawer sliding rail.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claims in the present invention.
Claims (10)
1. the manufacture method of a steel section bar, it is characterised in that, comprise the following step:
Thering is provided a steel to squeeze ingot, wherein the crowded ingot of this steel comprises an empty internal and a lubricant, and this lubricant is filled in this empty internal;
Heat this steel and squeeze ingot;
This steel is squeezed ingot and is pushed to a position to be extruded;
Puncture this steel squeeze ingot empty internal; And
Extrude this steel to squeeze ingot and the crowded ingot of this steel is extruded and is configured as a steel section bar.
2. the manufacture method of steel section bar according to claim 1, it is characterised in that:
The step that crowded for this steel ingot is pushed to a position to be extruded is comprised: steel is squeezed ingot and is positioned in an ingot-containing tube, and promote this steel to squeeze ingot to this position to be extruded with an extrusion stem;
The step of empty internal that this steel squeezes ingot that punctures comprises: squeezes the empty internal of ingot with a punching bar this steel that punctures, makes this lubricant cover this punching bar, and this punching bar is arrived a specified location; And
Extrude this steel to squeeze ingot and make the crowded ingot of this steel extrude the step being configured as this steel section bar and comprise: extruding this steel with this extrusion stem squeezes ingot, make this steel squeeze ingot and extrude be configured as this steel section bar according to the outlet section shape of an extrusion mould.
3. the manufacture method of steel section bar according to claim 1, it is characterised in that, it is carbon steel that this steel squeezes the material of ingot.
4. the manufacture method of steel section bar according to claim 1, it is characterised in that, this steel section bar has indent section shape.
5. the manufacture method of steel section bar according to claim 4, it is characterised in that, it is a hollow circular column that this steel squeezes ingot, and the hollow circular squeezed system of section shape of the crowded ingot of this steel is configured as the indent section shape of this steel section bar.
6. the manufacture method of steel section bar according to claim 4, it is characterised in that, it is a hollow square column that this steel squeezes ingot, and the hollow square squeezed system of section shape of the crowded ingot of this steel is configured as the indent section shape of this steel section bar.
7. a crowded type device, it is characterised in that, comprise:
One ingot-containing tube, squeezes ingot to put a steel;
One extrusion stem, advances relative to this ingot-containing tube or steps back motion, squeezes ingot to promote and to extrude this steel;
One punching bar, advances relative to this ingot-containing tube or steps back motion, and to puncture, this steel squeezes ingot; And
One extrusion mould, is fixedly arranged on this ingot-containing tube, wherein when this extrusion stem extrude this steel squeeze ingot time, this steel squeezes ingot and extrudes be configured as a steel section bar according to the one of this extrusion mould outlet section shape.
8. a steel squeezes ingot, it is characterised in that, comprise:
One empty internal; And
One lubricant, is filled in this empty internal.
9. steel according to claim 8 squeezes ingot, it is characterised in that, this lubricant is a glass base lubricant.
10. steel according to claim 8 squeezes ingot, it is characterised in that, more comprise:
Two end plates, is fixed in the both sides that this steel squeezes ingot.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103141459 | 2014-11-28 | ||
| TW103141459A TW201618869A (en) | 2014-11-28 | 2014-11-28 | Manufacturing method of steel section bar, extrusion device, and steel billet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105642690A true CN105642690A (en) | 2016-06-08 |
Family
ID=56481786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510808037.1A Pending CN105642690A (en) | 2014-11-28 | 2015-11-20 | Method for manufacturing steel section, extrusion device and steel extrusion ingot |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105642690A (en) |
| TW (1) | TW201618869A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974558A (en) * | 2019-12-13 | 2021-06-18 | 财团法人金属工业研究发展中心 | Extrusion apparatus, extrusion method thereof and product thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI706817B (en) * | 2019-12-09 | 2020-10-11 | 財團法人金屬工業研究發展中心 | Extrusion device and extrusion method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3039888A (en) * | 1959-03-27 | 1962-06-19 | Cefilac | Method of coating the bore of a heated hollow billet with glass-like lubricating material prior to extrusion of hollow articles |
| US3118540A (en) * | 1960-04-26 | 1964-01-21 | Kronprinz Ag | Apparatus for lubricationg of hot extruding of metal ingots |
| JPS5522469A (en) * | 1978-08-05 | 1980-02-18 | Kobe Steel Ltd | High temperature lubricating and extruding method of tubular body |
| JPH06170437A (en) * | 1992-11-30 | 1994-06-21 | Sumitomo Metal Ind Ltd | Hot extruding tube making method |
| JPH06269844A (en) * | 1993-03-18 | 1994-09-27 | Sumitomo Metal Ind Ltd | Billet for hot extruding tube making |
| CN1507962A (en) * | 2002-12-18 | 2004-06-30 | 中国科学院金属研究所 | High-temperature alloy tube billet working method |
| CN103752630A (en) * | 2013-12-27 | 2014-04-30 | 广州有色金属研究院 | Preparation method of variable cross-section aluminum alloy drill rod pipe body |
-
2014
- 2014-11-28 TW TW103141459A patent/TW201618869A/en unknown
-
2015
- 2015-11-20 CN CN201510808037.1A patent/CN105642690A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3039888A (en) * | 1959-03-27 | 1962-06-19 | Cefilac | Method of coating the bore of a heated hollow billet with glass-like lubricating material prior to extrusion of hollow articles |
| US3118540A (en) * | 1960-04-26 | 1964-01-21 | Kronprinz Ag | Apparatus for lubricationg of hot extruding of metal ingots |
| JPS5522469A (en) * | 1978-08-05 | 1980-02-18 | Kobe Steel Ltd | High temperature lubricating and extruding method of tubular body |
| JPH06170437A (en) * | 1992-11-30 | 1994-06-21 | Sumitomo Metal Ind Ltd | Hot extruding tube making method |
| JPH06269844A (en) * | 1993-03-18 | 1994-09-27 | Sumitomo Metal Ind Ltd | Billet for hot extruding tube making |
| CN1507962A (en) * | 2002-12-18 | 2004-06-30 | 中国科学院金属研究所 | High-temperature alloy tube billet working method |
| CN103752630A (en) * | 2013-12-27 | 2014-04-30 | 广州有色金属研究院 | Preparation method of variable cross-section aluminum alloy drill rod pipe body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974558A (en) * | 2019-12-13 | 2021-06-18 | 财团法人金属工业研究发展中心 | Extrusion apparatus, extrusion method thereof and product thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201618869A (en) | 2016-06-01 |
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Application publication date: 20160608 |