CN108927519A - A kind of manufacturing method of optic communication one steel needle - Google Patents
A kind of manufacturing method of optic communication one steel needle Download PDFInfo
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- CN108927519A CN108927519A CN201810878636.4A CN201810878636A CN108927519A CN 108927519 A CN108927519 A CN 108927519A CN 201810878636 A CN201810878636 A CN 201810878636A CN 108927519 A CN108927519 A CN 108927519A
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- Prior art keywords
- temperature
- steel needle
- sintering
- injection
- optic communication
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Producing Shaped Articles From Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
A kind of manufacturing method of optic communication one steel needle obtains integrated steel needle by way of injection molding, extraction, sintering, reduces manufacturing process, improves production efficiency.Injection molding is carried out using powder of stainless steel, brazil wax, polypropylene, low pressure polyethylene, thermoplastic elastomer (TPE) as raw material, molding steel needle is extracted by trichloro ethylene again, finally it is sintered to final steel needle product, the powder of stainless steel, brazil wax, polypropylene, low pressure polyethylene, thermoplastic elastic body mass ratio are as follows: 72 ~ 86wt%:7.5 ~ 8.5wt%:2.1 ~ 2.7wt%:6.3 ~ 7.0wt%:4.2 ~ 5.4wt%.The invention mainly comprises: the processes such as ingredient, injection molding, extraction, sintering.The present invention is not present actual physics cutting process, has saved raw material, and using automatic demoulding pickup, the mold production in 4 caves is promoted to 16000 per tour, and the mold in 8 caves, which produces, to be promoted to 32000 per tour, and working efficiency is greatly improved.
Description
Technical field
The present invention relates to optic communication and accessories manufacturing manufacture field, more particularly to a kind of for optic communication one steel needle
Manufacturing method.
Background technique
Fiber optic communication is using light as information carrier, using optical fiber as the communication mode of transmission medium, first by electric signal
It is converted into optical signal, then transmits optical signal through optical fiber, belongs to one kind of wire communication.Light just can be taken after modulation
Band information.The advantages that fiber-optic communications traffic capacity is big, good confidentiality.Wherein light sender is responsible for transposing the signals into and is suitable for
The optical signal transmitted on optical fiber, fibre circuit is responsible for transmitting signal, and light receiver is responsible for receiving optical signal, and therefrom extracts letter
Breath, is then transformed into electric signal, finally obtains the information such as corresponding speech, image, data.Optical fiber plug has circular plug, water chestnut
The patterns such as shape plug, steel needle is generally located on plug middle position, for alignment interface, therefore embodies steel needle in fiber-optic signal
The stability and the importance in terms of outdoor wind resistant ability of transmitting, guarantee the stable delivery of fiber-optic signal.And the system of current steel needle
It makes technique and generally still uses turnery processing, but due to its complex procedures, higher cost.
Summary of the invention
For the deficiency of current integrated steel needle manufacturing process, the object of the present invention is to provide a kind of optic communication one steel
The manufacturing method of needle obtains integrated steel needle by way of injection molding, extraction, sintering, reduces manufacturing process, improves production effect
Rate.
The technical scheme is that be accomplished by the following way: a kind of manufacturing method of optic communication one steel needle, with
Quality is than percentage meter, comprising the following steps:
1) 72 ~ 86wt% of powder of stainless steel, 7.5 ~ 8.5wt% of brazil wax, 2.1 ~ 2.7wt% of polypropylene, low pressure polyethylene, ingredient: are taken
First high mixer, 600 ~ 650rpm is added in powder of stainless steel and brazil wax by 6.3 ~ 7.0wt%, 4.2 ~ 5.4wt% of thermoplastic elastomer (TPE)
Stir at low speed 25-35 minutes, then be heated up to 60-65 DEG C and add polypropylene, low pressure polyethylene and thermoplastic elastomer (TPE), mixing after
Continuous agitating and heating makes temperature control at 170-200 DEG C, and the time controlled at 20-30 minutes, after discharging by mixing material stripping and slicing,
It is cooling, broken, pack, store for future use；
2) it, is molded: above-mentioned mixing material being injected by injection molding machine by mold and forms blank, technical conditions are as follows: mold temperature
Control 35 DEG C ~ 45 DEG C, injection temperature 165- ~ 190 DEG C ± 5 °, 80 ± 5MPa of injection pressure, 60 ± 10 g/s of injection speed,
Injection time 1.6s, cooling time: 8 ± 3s after 1s, storage before storing up.
3) it, extracts: blank will be injected and be put into the trichloroethylene solvent that purity is 99.9%, trichloroethylene solvent is added
Amount is subject to and covers blank 10-20mm, 50-60 DEG C at a temperature of keep the temperature 5-6 hours；
4), be sintered: it is the integrated steel needle of optic communication that the injection blank extracted, which is put into sintering in vacuum sintering furnace,.
In the step 2), injection temperature is divided into 4th area, in which: ± 5 ° of 190 DEG C of an area, 185 DEG C ± 5 ° of 2nd area,
165 DEG C ± 5 ° of three ± 5 ° of 170 DEG C of areas, 4th areas.
In the step 4), sintering are as follows: (1) inject blank and be placed on alumina ceramic plate, there are one each other
Determine gap, avoids being pasted together in sintering process；It avoids directly contacting with graphite boxes or graphite plate；(2) in sintering process
It is passed through inert gas shielding, nitrogen is passed through in 1-800 DEG C of low-temperature sintering, flow control is in 5-30pa, at 1000-1330 DEG C
Argon gas is passed through when high temperature, flow control is in 10-30pa；(3) sintering temperature reaches 1330 DEG C and keeps the temperature 3 hours, and heat preservation terminates
After naturally cool to 1000 DEG C hereinafter, applying argon gas, start blower, temperature is down to 80 DEG C or less and comes out of the stove.
The present invention is not present actual physics cutting process, has saved raw material, using automatic demoulding pickup, increased substantially
Working efficiency.
Specific embodiment
Embodiment 1:
A kind of manufacturing method of optic communication one steel needle, by quality than percentage in terms of, have following steps:
1, ingredient: by powder of stainless steel, brazil wax, polypropylene, low pressure polyethylene, thermoplastic elastic body mass ratio: 78%:
7.5%:2.5%:7.0%:5% weighs raw material, and high mixer, 600 ~ 650rpm low speed first is added in powder of stainless steel and brazil wax
Stirring 25-35 minutes, then be heated up to 60-65 DEG C and add polypropylene, low pressure polyethylene and thermoplastic elastomer (TPE), mixing continues to stir
Heating is mixed, makes temperature control at 170-200 DEG C, the time controlled at 20-30 minutes, by mixing material stripping and slicing, cold after discharging
But, it is crushed, pack, stores for future use.
2, it is molded: above-mentioned mixing material being injected by injection molding machine by mold and forms blank, technical conditions are as follows: mold
Temperature is controlled at 35 DEG C ~ 45 DEG C；Inject four area's temperature, in which: ± 5 ° of 190 DEG C of an area, 185 DEG C ± 5 ° of 2nd area, 3rd area
170 DEG C ± 5 °, 165 DEG C ± 5 ° of 4th area；80 ± 5MPa of injection pressure；Injection speed: 60 ± 10 g/s, injection time: 1.6s
；Cooling time: 1s, 8 ± 3s after storage before storing up.
3, it extracts: blank will be injected and be put into the trichloroethylene solvent that purity is 99.9%, solvent adding amount is to cover
Subject to blank 10-20mm, 50-60 DEG C at a temperature of keep the temperature 5-6 hours.
4, it is sintered: (1) injecting blank and be placed on alumina ceramic plate, each other there are certain gap, avoid being sintered
It is pasted together in the process；It avoids directly contacting with graphite boxes or graphite plate；(2) inert gas guarantor is passed through in sintering process
Shield, nitrogen is passed through in 1-800 DEG C of low-temperature sintering, flow control is passed through argon in 1000-1330 DEG C of high temperature in 5-30pa
Gas, flow control is in 10-30pa；(3) sintering temperature reaches 1330 DEG C and keeps the temperature 3 hours, naturally cools to after heat preservation
1000 DEG C hereinafter, applying argon gas, start blower, and temperature, which is down to 80 DEG C or less and comes out of the stove, obtains optic communication one steel needle.
Embodiment 2:
A kind of manufacturing method of optic communication one steel needle,
1, ingredient: by powder of stainless steel, brazil wax, polypropylene, low pressure polyethylene, thermoplastic elastic body mass ratio: 79.5%:
7.5%:2.1%:6.4%:4.5% weighs raw material, and high mixer first is added in powder of stainless steel and brazil wax, and 600 ~ 650rpm is low
Speed stirring 25-35 minutes, then be heated up to 60-65 DEG C and add polypropylene, low pressure polyethylene and thermoplastic elastomer (TPE), mixing continues
Agitating and heating makes temperature control at 170-200 DEG C, and the time controlled at 20-30 minutes, by mixing material stripping and slicing, cold after discharging
But, it is crushed, pack, stores for future use.
Remaining step is the same as embodiment 1.
The present invention is infused using powder of stainless steel, brazil wax, polypropylene, low pressure polyethylene, thermoplastic elastomer (TPE) as raw material
It is moulded into type, then molding steel needle is extracted by trichloro ethylene, is finally sintered to final steel needle product.
Claims (3)
1. a kind of manufacturing method of optic communication one steel needle, by quality than percentage in terms of, comprising the following steps: it is characterized by:
1) 72 ~ 86wt% of powder of stainless steel, 7.5 ~ 8.5wt% of brazil wax, 2.1 ~ 2.7wt% of polypropylene, low pressure polyethylene, ingredient: are taken
First high mixer, 600 ~ 650rpm is added in powder of stainless steel and brazil wax by 6.3 ~ 7.0wt%, 4.2 ~ 5.4wt% of thermoplastic elastomer (TPE)
Stir at low speed 25-35 minutes, then be heated up to 60-65 DEG C and add polypropylene, low pressure polyethylene and thermoplastic elastomer (TPE), mixing after
Continuous agitating and heating makes temperature control at 170-200 DEG C, and the time controlled at 20-30 minutes, after discharging by mixing material stripping and slicing,
It is cooling, broken, pack, store for future use；
2) it, is molded: above-mentioned mixing material being injected by injection molding machine by mold and forms blank, technical conditions are as follows: mold temperature
Control 35 DEG C ~ 45 DEG C, injection temperature 165- ~ 190 DEG C ± 5 °, 80 ± 5MPa of injection pressure, 60 ± 10 g/s of injection speed,
Injection time 1.6s, cooling time: 8 ± 3s after 1s, storage before storing up.
3), extract: by inject blank be put into purity be 99.9% trichloroethylene solvent in, trichloroethylene solvent additional amount with
Cover blank 10-20mm subject to, 50-60 DEG C at a temperature of keep the temperature 5-6 hours；
4), be sintered: it is the integrated steel needle of optic communication that the injection blank extracted, which is put into sintering in vacuum sintering furnace,.
2. a kind of manufacturing method of optic communication one steel needle according to claim 1, it is characterised in that: the step 2)
In, injection temperature is divided into 4th area, in which: ± 5 ° of 190 DEG C of an area, 185 DEG C ± 5 ° of 2nd area, 170 DEG C ± 5 ° of 3rd area, 4th area
165℃±5°。
3. a kind of manufacturing method of optic communication one steel needle according to claim 1, it is characterised in that: the step 4)
In, sintering are as follows: (1) inject blank and be placed on alumina ceramic plate, each other there are certain gap, avoid in sintering process
It is pasted together；It avoids directly contacting with graphite boxes or graphite plate；(2) it is passed through inert gas shielding in sintering process, in 1-
Nitrogen is passed through when 800 DEG C of low-temperature sinterings, flow control is passed through argon gas, flow control in 1000-1330 DEG C of high temperature in 5-30pa
System is in 10-30pa；(3) sintering temperature reach 1330 DEG C keep the temperature 3 hours, naturally cooled to after heat preservation 1000 DEG C with
Under, applying argon gas starts blower, and temperature is down to 80 DEG C or less and comes out of the stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878636.4A CN108927519A (en) | 2018-08-03 | 2018-08-03 | A kind of manufacturing method of optic communication one steel needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878636.4A CN108927519A (en) | 2018-08-03 | 2018-08-03 | A kind of manufacturing method of optic communication one steel needle |
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| CN108927519A true CN108927519A (en) | 2018-12-04 |
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| CN201810878636.4A Pending CN108927519A (en) | 2018-08-03 | 2018-08-03 | A kind of manufacturing method of optic communication one steel needle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060047309A1 (en) * | 2004-08-25 | 2006-03-02 | Cichocki Frank R Jr | Metal injection molded suture needles |
| CN103341631A (en) * | 2013-07-25 | 2013-10-09 | 丹阳市裕桥精密元件有限公司 | Manufacturing technique of T-junction for optical communications |
| CN103394696A (en) * | 2013-07-25 | 2013-11-20 | 丹阳市裕桥精密元件有限公司 | EPON (Ethernet passive optical network) device structure |
| CN203324527U (en) * | 2013-07-22 | 2013-12-04 | 厦门市贝莱通信设备有限公司 | Lensless tail-fiber detector assembly |
-
2018
- 2018-08-03 CN CN201810878636.4A patent/CN108927519A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060047309A1 (en) * | 2004-08-25 | 2006-03-02 | Cichocki Frank R Jr | Metal injection molded suture needles |
| CN203324527U (en) * | 2013-07-22 | 2013-12-04 | 厦门市贝莱通信设备有限公司 | Lensless tail-fiber detector assembly |
| CN103341631A (en) * | 2013-07-25 | 2013-10-09 | 丹阳市裕桥精密元件有限公司 | Manufacturing technique of T-junction for optical communications |
| CN103394696A (en) * | 2013-07-25 | 2013-11-20 | 丹阳市裕桥精密元件有限公司 | EPON (Ethernet passive optical network) device structure |
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