CN111070625A - Vacuum shaping pipe for pipe forming and processing technology thereof - Google Patents
Vacuum shaping pipe for pipe forming and processing technology thereof Download PDFInfo
- Publication number
- CN111070625A CN111070625A CN201811225372.9A CN201811225372A CN111070625A CN 111070625 A CN111070625 A CN 111070625A CN 201811225372 A CN201811225372 A CN 201811225372A CN 111070625 A CN111070625 A CN 111070625A
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- Prior art keywords
- pipe
- sizing
- tube
- metal
- metal rod
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- 238000007493 shaping process Methods 0.000 title claims abstract description 45
- 238000005516 engineering process Methods 0.000 title abstract description 6
- 238000004513 sizing Methods 0.000 claims abstract description 82
- 239000011247 coating layer Substances 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 79
- 229910052751 metal Inorganic materials 0.000 claims description 79
- 238000000034 method Methods 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 7
- 238000007514 turning Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 43
- 238000000576 coating method Methods 0.000 description 43
- 238000001179 sorption measurement Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a vacuum shaping pipe for pipe forming and a processing technology thereof, belonging to the technical field of pipe forming, and the technical scheme comprises the following steps: a shaping pipe with a detachable end part and a discharge port of the extruder for the coating layer to pass through; and the through holes for the vacuumizing mechanism to exhaust air are formed in the wall of the sizing pipe, and the sizing pipe comprises a sizing pipe body and annular blocks communicated with the two ends of the sizing pipe body. When the vacuum shaping pipe is used, the deformation of the formed coating layer can be reduced, so that the product quality and performance of the coating layer can be improved, and the use value of the market is improved.
Description
Technical Field
The invention relates to the technical field of pipe forming, in particular to a vacuum shaping pipe for pipe forming and a processing technology thereof.
Background
The optical fiber cable is a communication cable, mainly comprises an optical fiber core and a coating layer coated on the optical fiber core, has wider application, has different performance requirements on different application occasions, and is generally made of insulating plastics for most coating layers.
At present, at the in-process of production processing coating, mainly utilize the extruder, plasticize and homogeneous mixing with the plastic grain, the rethread bush shaping is pipy coating, then pipy coating can be extruded from the discharge gate of extruder and enter into in the vacuum apparatus, can utilize the adsorption of evacuation mechanism (evacuation suction nozzle) to the coating outer wall in the vacuum apparatus, make the inner wall phase separation of coating and be unlikely to adhere together, thereby final shaping is the coating of cavity form.
However, at the in-process of actual extruder and vacuum apparatus shaping coating, because the coating itself adopts the plastic material preparation, it is comparatively soft, when evacuation suction nozzle adsorbs its surface, pipy coating is along with the absorption of evacuation suction nozzle and random rocking easily, make the very easy condition that exists the deformation of fashioned coating, the cross-section that leads to the coating is oval or flat partially, influence the product quality and the performance of coating very easily like this, influence the sale of product, simultaneously, also influence the subsequent penetration of optic fibre core easily.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a vacuum shaping tube for tube forming, which can reduce the deformation of a formed coating layer, thereby improving the product quality and performance of the coating layer.
The above object of the present invention is achieved by the following technical solutions:
a vacuum sizing tube for tube forming, comprising: a shaping pipe with a detachable end part and a discharge port of the extruder for the coating layer to pass through; and the through holes for the vacuumizing mechanism to exhaust air are formed in the wall of the sizing pipe, and the sizing pipe comprises a sizing pipe body and annular blocks communicated with the two ends of the sizing pipe body.
Adopt above-mentioned technical scheme, through the discharge gate department installation of extruder stereotypes the pipe, when the extruder during operation, fashioned coating can be followed the discharge gate department of extruder and carried out through the stereotype pipe, and evacuation mechanism can be aligned with the through-hole of stereotype pipe, can take out the intraductal air of stereotype, make the intraductal vacuum state that is in of stereotype, thereby make the coating of the intraductal passing through of stereotype laminate with the inner wall of stereotype pipe mutually, when the coating is carrying, will receive the adsorption affinity and be strutted between the inner wall of coating, make the transversal of the coating of shaping out personally submit circularly, then can improve the quality and the performance of coating product, also make things convenient for penetrating of follow-up optic fibre or cable conductor.
The invention is further provided with the through holes which are annularly distributed on the shaping pipe, and the through holes which are annularly distributed adjacently are distributed on the shaping pipe in a staggered way.
Adopt above-mentioned technical scheme, set up the distribution state of annular with the through-hole, can be so that the sizing pipe when evacuation, coating surface atress is even, and sets the through-hole to the crisscross dislocation distribution, then can further improve the homogeneity of coating atress for the outer wall of coating can be inseparable with the inner wall laminating of sizing pipe together, be favorable to the shaping of coating.
The invention is further provided with a chamfer at the edge of the inner wall of the through hole.
Adopt above-mentioned technical scheme, the chamfer of setting can be so that the sizing pipe surface is more smooth, conveniently takes and puts, simultaneously, also can reduce the production of sizing pipe upper burr, alleviates the wearing and tearing that the burr caused to the coating surface.
The invention is further provided that the number of each through hole distributed annularly on the sizing pipe is 10-15.
By adopting the technical scheme, the number of the through holes on each ring is limited, the through holes can be reasonably distributed, the adsorption force borne by the coating layer is more uniform, and the deformation of the coating layer is further reduced.
The invention is further provided that the distance between adjacent through holes is 3-5 mm.
By adopting the technical scheme, the distance between the adjacent through holes is limited, the diameter of the through holes can be more reasonable, the through holes are matched with actual requirements, and the uniformity of the adsorption force of the coating layer is further increased.
The invention is further provided with an external thread which is arranged on the annular block ring close to the extruder and is in threaded connection with the discharge port of the extruder.
Adopt above-mentioned technical scheme, to manage and extruder discharge gate department threaded connection, the sizing pipe that can be very firm is fixed on the extruder, can conveniently manage the installation and dismantle of sizing, the change of the sizing pipe when damaging of being convenient for.
The invention is further provided with an arc-shaped surface annularly arranged at the edge of the inner wall of the annular block.
Adopt above-mentioned technical scheme, the arcwall face of setting can contact with the coating surface, can reduce and the coating between frictional force for the coating can be more smooth and easy in transportation process.
The invention further provides that the diameter of the annular block is larger than the outer diameter of the shaping pipe body.
Adopt above-mentioned technical scheme, the external diameter of restriction stock pipe body, the great annular piece of diameter can increase the intensity of whole stock pipe, simultaneously, when the stock pipe is held to the staff, the annular piece can play the effect of restriction to the staff, can reduce when taking and putting the stock pipe, the condition that the stock pipe slided from the hand.
The invention also aims to provide a processing technology of the vacuum sizing tube, which is based on the vacuum sizing tube of any one of claims 1 to 8, and comprises the following steps:
the method comprises the following steps: selecting a proper metal rod, and carrying out center dotting treatment on two ends of the metal rod;
step two: turning the surface of the metal rod to round the surface of the metal rod;
step three: punching a guide hole on the metal rod along the central point of the end part of the metal rod, so that the two ends of the metal rod penetrate through the metal rod to form a hollow shape;
step four: drilling a sizing hole on the end of the metal rod along the guide hole so that the inner diameter of the sizing hole is consistent with a preset size and the sizing hole is formed into a metal pipe;
step five: perforating through holes on the surface of the metal tube to ensure that the through holes are uniformly distributed on the metal tube;
processing external threads on one end of the metal pipe to enable the metal pipe to be assembled with a preset position of an extruder;
step seven: positioning the central wall of the metal pipe, turning the outer surface of the metal pipe to enable the diameters of two ends of the metal pipe to be larger than the diameter of the middle position of the metal pipe, and forming the metal pipe into a sizing pipe;
step eight: processing arc surfaces of pipe orifices at two ends of the shaping pipe;
step nine: chamfering the edge of the through hole of the shaping pipe;
step ten: and polishing and oiling the outer surface of the shaping pipe.
Adopt above-mentioned technical scheme: after selecting suitable metal pole, can carry out the center earlier to the both ends of metal pole and beat the point and handle, can improve the machining precision of metal pole, reduce the condition that the skew appears in the metal pole in the course of working, then process the surface of metal pole, make the surface of metal pole become smooth, beat the bullport processing to the tip of metal pole again, make the bullport run through the metal pole, thereby the shaping is the tubular metal resonator, and the processing in subsequent constant diameter hole can be made things convenient for in the processing of bullport, can effectual raise the efficiency.
The invention further provides that the method comprises the following steps between the second step and the third step: processing a copper core positioning sleeve matched with the metal rod by a slow-moving wire; and inserting the turned metal rod into the copper core positioning sleeve for fixing.
By adopting the technical scheme, the copper core locating sleeve can locate and limit the metal rod, so that the situation that the metal rod shakes in the machining process can be reduced, the machining precision of the metal rod sizing hole can be improved, and waste products are reduced.
In conclusion, the invention has the following beneficial effects:
the shaping pipe is arranged at the discharge port of the extruder, the through hole is formed in the shaping pipe, and when the coating layer passes through the shaping pipe, the vacuum pumping mechanism can be used for pumping the shaping pipe, so that the coating layer is attached to the inner wall of the shaping pipe, the cross section of the formed coating layer is circular, and the product quality and performance of the coating layer can be improved;
through with the even cross distribution of through-hole on the sizing pipe, then can be so that the coating receives adsorption affinity more even, be favorable to coating and the inseparable laminating of sizing intraductal wall to can further improve fashioned sizing pipe cross-section's roundness.
Drawings
FIG. 1 is a cross-sectional view of a sizing tube in an embodiment of the invention.
Reference numerals: 1. shaping pipes; 11. shaping the pipe body; 12. a ring block; 121. an external thread; 122. an arc-shaped surface; 2. and a through hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In this embodiment: a vacuum shaping pipe for pipe forming is shown in figure 1 and comprises a shaping pipe 1 which is detachably arranged at the discharge port of an extruder; and, set up a plurality of through-holes 2 on the sizing pipe 1, in this embodiment, the sizing pipe 1 is hollow, and the coating that is conveyed out from the extruder discharge gate can be conveyed out from the end of sizing pipe 1 far away from the extruder along the inner wall of sizing pipe 1, in addition, sizing pipe 1 includes the sizing tube body 11; and a ring block 12 integrally formed with both ends of the setting pipe body 11.
When extruder shaping coating, the coating can be followed the discharge gate department of extruder and carried out, the coating of carrying out can get into in the sizing pipe 1, at this moment, evacuation mechanism can be opened, in this embodiment, evacuation mechanism can be the evacuation suction nozzle that is connected with the vacuum pump, evacuation suction nozzle is provided with a plurality ofly, and be in sizing pipe 1's outer wall through-hole 2 department, evacuation suction nozzle can take out the air in the sizing pipe 1, can form adsorption to the coating, make the coating laminate mutually with sizing pipe 1's inner wall at the in-process of carrying, thus, the cross section of the plastic coating of shaping play will be circular, thereby the condition of deformation appears in the coating that can reduce the shaping play, then can improve the product quality and the performance of coating, and simultaneously, make things convenient for penetrating of follow-up cable conductor or optic fibre.
Wherein, through-hole 2 is the annular and distributes on sizing pipe 1 for sizing pipe 1 is when the evacuation, and coating surface stress is more even, and in addition, through-hole 2 that adjacent annular distributes is the criss-cross dislocation and distributes on sizing pipe 1, and the homogeneity of coating atress then can further be improved to such setting, makes the outer wall of coating can be inseparable with the inner wall laminating of sizing pipe 1 together.
The number of the through holes 2 distributed in the annular shape of each circle on the outer wall of the sizing pipe 1 is 10-15, the number of the through holes 2 distributed in the annular shape is preferably 12 in the embodiment, the through holes 2 distributed reasonably are favorable for the uniformity of the adsorption force of the vacuumizing suction nozzle received by the coating layer, and the deformation of the coating layer can be further reduced.
In addition, the edge of the inner wall of the through hole 2 is provided with a chamfer, so that the surface of the shaping pipe is smoother and is convenient to take and place, meanwhile, the generation of burrs on the shaping pipe 1 can be reduced, and the abrasion of the burrs on the surface of a coating layer is reduced; and the interval between adjacent through-hole 2 is 3-5 millimeters, and reasonable through-hole 2 interval can save material, matches more with actual needs simultaneously, can further increase the coating and receive the homogeneity of adsorption affinity.
The external screw thread 121 is annularly arranged on the outer side of the annular block 12 assembled with the extruder, so that the annular block 12 is in threaded connection with the discharge port of the extruder, the sizing pipe 1 can be firmly installed on a preset position of the extruder, and when the sizing pipe 1 needs to be replaced, the sizing pipe 1 can be conveniently detached through rotating the sizing pipe 1.
Still encircle at the inner wall edge of annular piece 12 and be equipped with arcwall face 122, arcwall face 122 can contact with the coating surface, can reduce and the coating between frictional force for the coating can be more smooth and easy in transportation process.
In addition, the diameter of the annular block 12 in this embodiment is larger than the outer diameter of the sizing pipe body 11, and the annular block 12 with a larger diameter can increase the strength of the whole sizing pipe 1, so that the sizing pipe 1 is more stable when conveying a coating layer; meanwhile, when an operator holds the sizing tube 1, the annular block 12 can limit the hand of the operator, and the situation that the sizing tube 1 slides down from the hand when the sizing tube 1 is taken and placed can be reduced.
A processing technology of a vacuum shaping tube comprises the following steps:
the method comprises the following steps: selecting a proper metal rod from materials, placing the metal rod on a preset position of a lathe, starting the lathe to perform center dotting treatment on two ends of the metal rod, and enabling positioning holes to be formed in the center positions of the two ends of the metal rod;
step two: placing the metal rod with the processed positioning hole on a lathe of the next procedure, starting a turning tool on the lathe, turning the surface of the metal rod, and removing redundant surface waste materials according to the size requirement to enable the surface of the metal rod to be smooth and round;
then, a copper core positioning sleeve matched with the metal rod is machined through slow wire feeding, the turned metal rod penetrates through the copper core positioning sleeve, the metal rod is fixed at a preset position of the copper core positioning sleeve, and then the copper core positioning sleeve is installed at a preset position of the punching device;
step three: the punching device is utilized to punch a guide hole on the metal rod along the central point of the end part of the metal rod, and holes can be simultaneously punched from the two ends of the metal rod in the process of processing the guide hole, so that the condition of hole position deviation of the guide hole can be effectively reduced, and the two ends of the metal rod penetrate through and are hollow;
step four: utilizing punching equipment to punch sizing holes along the guide holes at the end parts of the metal rods according to preset diameters, enabling the inner diameters of the sizing holes to be consistent with preset sizes, polishing the inner walls of the sizing holes after the sizing holes are machined, enabling the inner walls of the sizing holes to be smooth, and forming the metal pipes;
step five: processing the through holes 2 on the surface of the metal pipe by using other punching equipment, so that the through holes 2 are positioned at preset positions of the metal pipe, and the through holes 2 are uniformly distributed on the metal pipe;
processing an external thread at one end of the metal pipe by using thread processing equipment so that the external thread of the metal pipe can be assembled with the internal thread at a preset position of the extruder;
step seven: positioning the central wall of the metal pipe, clamping the metal pipe by using a clamp, turning the outer surface of the metal pipe by using a lathe, so that the diameters of two ends of the metal pipe are larger than that of the middle position of the metal pipe, and finally forming a shaping pipe 1;
step eight: polishing pipe orifices at two ends of the sizing pipe 1 by using polishing and grinding equipment to form an arc-shaped surface 122 at the pipe orifices of the sizing pipe 1;
step nine: utilizing cutting and polishing equipment to polish and polish the edges of the through hole 2 at the inner side and the outer side of the sizing pipe 1, so that an arc-shaped chamfer is formed at the edge of the through hole 2;
step ten: polishing the outer surface of the sizing tube 1, and smearing lubricating oil or other protective oil on the outer surface of the sizing tube 1 after polishing; and then, carving the preset position of the shaping pipe 1 by using a laser carving machine, and carving the product model or the label of the shaping pipe 1 on the outer wall of the shaping pipe 1, so that the subsequent products can be conveniently identified and tracked.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. A vacuum shaping tube for tube forming, comprising: a shaping pipe (1) with a detachable end part and a discharge port of the extruder, through which the coating layer passes; and the number of the first and second groups,
set up establish a plurality of through-holes (2) that supply the evacuation mechanism to bleed on the pipe wall of sizing pipe (1), sizing pipe (1) including sizing body (11) and with annular piece (12) that sizing body (11) both ends are linked together.
2. The vacuum sizing tube for tube forming according to claim 1, wherein the through holes (2) are annularly distributed on the sizing tube (1), and the through holes (2) which are adjacently annularly distributed are distributed on the sizing tube (1) in a staggered and staggered manner.
3. The vacuum shaping tube for tube forming of claim 1, wherein the edge of the inner wall of the through hole (2) is provided with a chamfer.
4. The vacuum sizing tube for tube forming according to claim 1, wherein the number of each annularly distributed through hole (2) on the sizing tube (1) is 10-15.
5. The vacuum sizing tube for tube forming according to claim 1, wherein the distance between adjacent through holes (2) is 3-5 mm.
6. The vacuum sizing tube for tubing molding as defined in claim 1, wherein the ring block (12) adjacent to the extruder is provided with external threads (121) and is threadedly coupled to the discharge port of the extruder.
7. The vacuum sizing tube for tube forming according to claim 1, wherein an arc-shaped surface (122) is annularly arranged at the edge of the inner wall of the annular block (12).
8. The vacuum sizing tube for tube forming according to claim 1, wherein the diameter of the annular block (12) is larger than the outer diameter of the sizing tube body (11).
9. A process for manufacturing a vacuum sizing tube according to any one of claims 1 to 8, comprising the steps of:
the method comprises the following steps: selecting a proper metal rod, and carrying out center dotting treatment on two ends of the metal rod;
step two: turning the surface of the metal rod to round the surface of the metal rod;
step three: punching a guide hole on the metal rod along the central point of the end part of the metal rod, so that the two ends of the metal rod penetrate through the metal rod to form a hollow shape;
step four: drilling a sizing hole on the end of the metal rod along the guide hole so that the inner diameter of the sizing hole is consistent with a preset size and the sizing hole is formed into a metal pipe;
step five: processing the surface of the metal pipe by punching through holes (2) to ensure that the through holes (2) are uniformly distributed on the metal pipe;
processing external threads on one end of the metal pipe to enable the metal pipe to be assembled with a preset position of an extruder;
step seven: the method comprises the following steps of (1) positioning the central wall of a metal pipe, turning the outer surface of the metal pipe, enabling the diameters of two ends of the metal pipe to be larger than the diameter of the middle position of the metal pipe, and forming a shaping pipe (1);
step eight: processing arc-shaped surfaces (122) of pipe orifices at two ends of the sizing pipe (1);
step nine: chamfering the edge of the through hole (2) of the shaping pipe (1);
step ten: and polishing and oiling the outer surface of the shaping pipe (1).
10. The process of claim 9, wherein between step two and step three, comprising: processing a copper core positioning sleeve matched with the metal rod by a slow-moving wire; and inserting the turned metal rod into the copper core positioning sleeve for fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225372.9A CN111070625B (en) | 2018-10-20 | 2018-10-20 | Vacuum shaping pipe for pipe molding and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225372.9A CN111070625B (en) | 2018-10-20 | 2018-10-20 | Vacuum shaping pipe for pipe molding and processing technology thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111070625A true CN111070625A (en) | 2020-04-28 |
| CN111070625B CN111070625B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811225372.9A Active CN111070625B (en) | 2018-10-20 | 2018-10-20 | Vacuum shaping pipe for pipe molding and processing technology thereof |
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| CN106180783A (en) * | 2016-08-19 | 2016-12-07 | 青岛石大石仪科技有限责任公司 | Elongated thin metallic tubd processing mold and mould, metal tube processing method |
| CN207207092U (en) * | 2017-05-05 | 2018-04-10 | 三门峡西北联鑫管业有限公司 | A kind of water cooling calibration sleeve |
| CN108580658A (en) * | 2018-02-12 | 2018-09-28 | 吴咏翰 | A kind of drilling method of thin metallic tubd |
| CN108356589A (en) * | 2018-04-19 | 2018-08-03 | 郑州宇恒环保技术有限公司 | Steel tube surface sizing drilling tool holder |
| CN209022415U (en) * | 2018-10-20 | 2019-06-25 | 深圳鸿胜瑞机械有限公司 | A kind of Vacuum shaping pipe of tube forming |
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