CN102228990B - One-step molding process for optical communication assembly seat - Google Patents
One-step molding process for optical communication assembly seat Download PDFInfo
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- CN102228990B CN102228990B CN 201110164890 CN201110164890A CN102228990B CN 102228990 B CN102228990 B CN 102228990B CN 201110164890 CN201110164890 CN 201110164890 CN 201110164890 A CN201110164890 A CN 201110164890A CN 102228990 B CN102228990 B CN 102228990B
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Abstract
The invention discloses a one-step molding process for an optical communication assembly seat. The one-step molding process comprises the steps of: preparation of a raw material, wherein a powder raw material is 304 stainless steel powder; preparation of a binder: mixing 70-80wt% of PW (Paraffin Wax), 5-20wt% of PE (Polyethylene) and 10-20wt% of SA (Stearic Acid) for 1-2 hours at the temperature of 140-160 DEG C; preparation of feeding: weighing the binder and the 304 stainless steel powder according to the volume ratio of (50-60):(60-50) and mixing for 1.5-2 hours at the temperature of 130-165 DEG C at the mixer rotation speed of 40-60r/min; injection molding: adding prepared feed into an injection molding machine for injection molding to obtain a blank, wherein the injection temperature is 120-165 DEG C, the injection pressure is 60-120MPa and the mold temperature is 30-60 DEG C; treatment of the blank: dissolving a component PE of the blank, then drying the blank and degreasing the blank; and sintering of the blank: performing a sintering process by heating to high temperature of 1100-1350 DEG C at the temperature raise speed of 8-12 DEG C/min, preserving the temperature for 30-600min and cooling along with a furnace. According to the invention, assembly seat products with 45 degrees of inclined surface and high dimension precision and surface precision can be obtained by the injection molding.
Description
Technical field
The present invention relates to a kind of disposable forming technology, particularly relate to the disposable forming technology of a kind of light communicating component seat.
Background technology
Fibre Optical Communication Technology is a new and high technology of rising phase early 1970s, all obtained and widely application at aspects such as railway communication, power communication, military communication, cable television, data communication systems, many new applications are also among constantly opening up.Assembly seat be fiber optic communication with important opto-electronic device, the huge market demand is arranged.Assembly seat mainly adopts the machine-tooled method preparation.Because there is one 45 ° inclined-plane the inside of part, therefore can't time processing be shaped.Head it off mainly adopts two parts of processing on the industrial production at present, and as shown in Figure 1 and Figure 2, then the method by assembling obtains final products, as shown in Figure 3.
Because the assembly seat product adopts 304 stainless steels, its poor processability, machine-tooled method efficient is low, the cycle is long, utilization rate of raw materials is low, be difficult to satisfy the growing market demand.In addition, adopt the method preparation of two assembling parts, have the underproof problem of assembling.
Summary of the invention
Technical problem to be solved by this invention provides a kind of disposable assembly seat product that to comprise 45 ° of inclined-planes and dimensional accuracy and high disposable forming technology of light communicating component seat of surface accuracy of product of being shaped.
In order to solve the problems of the technologies described above, the disposable forming technology of light communicating component seat provided by the invention, the disposable forming technology of a kind of light communicating component seat, step is as follows:
Raw material is prepared: powder stock is 304 powder of stainless steel;
The preparation of binding agent: by weight percentage, PW (paraffin) 70-85%, PE (polyethylene) 5-20%, SA (stearic acid) 10-20% mixed 1-2 hour under 140 ℃ of-160 ℃ of temperature;
The preparation of feeding: the ratio of 50-60: 60-50 by volume, the good binding agent of weighing and 304 powder of stainless steel carry out the mixing feeding of making, and mixing temperature is 130-165 ℃, and the mixing roll rotating speed is 40-60r/min, mixing time 1.5-2h;
Injection moulding: will carry out injection moulding in the feeding adding injection machine that make, injection temperature 120-165 ℃, injection pressure 60-120MPa, 30-60 ℃ of mould temperature, injection moulding goes out blank;
Blank is processed: blank dissolving PE component wherein, then dried blank is carried out ungrease treatment;
The blank sintering: sintering process is incubated and cools off with stove after 30～600 minutes for the programming rate with 8～12 ℃/min is raised to 1100～1350 ℃ of high temperature.
The 304 stainless aerosolization powder that powder stock described in the above-mentioned raw materials preparation process provides for Britain Osprey company.
Blank dissolving PE component wherein described in the above-mentioned blank treatment step is the dichloromethane solvent that blank is placed.
Blank ungrease treatment described in the above-mentioned blank treatment step is that dried blank is put into the vacuum degreasing stove; under argon shield, be heated to 180-250 ℃ with 0.5-5 ℃/min, be incubated 100～140 minutes; be heated to 380-450 ℃ with 4-10 ℃/min again, be incubated 100～140 minutes.
Adopt the disposable forming technology of light communicating component seat of technique scheme, adopt a kind of binding agent of high paraffin content, improve the flowability of feeding, the labyrinth of the disposable assembly seat product that to comprise 45 ° of inclined-planes of being shaped; Contain simultaneously nearly 10% polyethylene, guarantee that product is indeformable in the skimming processes.Dimensional accuracy and the surface accuracy of control batch production product.Powder Injection Molding Technology is to be combined with injection molding of plastics and a kind of novel near-net-shape technology that forms by powder metallurgical technique.Owing to add a large amount of binding agents in its powder, therefore prepared feeding uniformity and good fluidity is again uniform filling mold cavities shaped under flow regime, the labyrinth of the assembly seat product that to comprise 45 ° of inclined-planes of therefore can disposablely being shaped.Whole Technics Process Automation degree is higher, realizes easily scale, and the utilization rate of material almost can reach 100%, and production cost is low, and this just possesses the incomparable advantage of other forming technology.
The present invention adopts Powder Injection Molding Technology to prepare 304 stainless steel light communicating component seat products, the labyrinth of the disposable assembly seat product that to comprise 45 ° of inclined-planes of being shaped.Dimensional accuracy and the surface accuracy of batch production product are high.
In sum, the present invention is a kind of disposable assembly seat product that to comprise 45 ° of inclined-planes and dimensional accuracy and high disposable forming technology of light communicating component seat of surface accuracy of product of being shaped.
Description of drawings
Fig. 1 is assembly seat product component 1 structural representation by the preparation of machined packaging technology;
Fig. 2 is assembly seat product component 2 structural representations by the preparation of machined packaging technology;
Fig. 3 is the assembly seat product structure schematic diagram by the preparation of machined packaging technology;
Fig. 4 is the photo for the assembly seat product of power injection molding preparation of the present invention.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Embodiment 1:
The present invention introduces the present invention in detail take the light communicating component seat as example, its process is as follows:
Raw material is prepared: the 304 stainless aerosolization powder that the powder stock of employing provides for Britain Osprey company;
The preparation of binding agent: by weight percentage, PW70%, PE20%, SA10% put in the vane type batch mixer, mix 1 hour under 140 ℃ of temperature;
The preparation of feeding: 50: 60 by volume ratio, the good binding agent of weighing and 304 powder, carrying out mixing, mixing temperature is 130 ℃, the mixing roll rotating speed is 40r/min, mixing time 2h;
Injection moulding: the feeding that makes is added in the BOY50T injection machine, 165 ℃ of injection temperatures, injection pressure 60MPa, 60 ℃ of mould temperature, injection moulding goes out blank.
Blank is processed: the dichloromethane solvent that at first blank is placed, dissolving PE component wherein; Then dried blank is put into the vacuum degreasing stove, under argon shield, be heated to 180 ℃ with 0.5 ℃/min, be incubated 100 minutes, be heated to 380 ℃ with 4 ℃/min again, be incubated 140 minutes, make fine powder arrive degreasing base surface via pore channel.
The blank sintering: sintering process is incubated after 480 minutes to cool off with stove for the programming rate with 8 ℃/min is raised to 1200 ℃ of high temperature, obtains product as shown in Figure 4.
Embodiment 2:
The present invention introduces the present invention in detail take the light communicating component seat as example, its process is as follows:
Raw material is prepared: the 304 stainless aerosolization powder that the powder stock of employing provides for Britain Osprey company.
The preparation of binding agent: by weight percentage, PW70%, PE15%, SA15% put in the vane type batch mixer, mix 1.5 hours under 150 ℃ of temperature.
The preparation of feeding: 60: 50 by volume ratio, the good binding agent of weighing and 304 powder carry out mixing.Mixing temperature is 140 ℃, and the mixing roll rotating speed is 50r/min, mixing time 1.5h.
Injection moulding: the feeding that makes is added in the BOY50T injection machine, 135 ℃ of injection temperatures, injection pressure 80MPa, 50 ℃ of mould temperature, injection moulding goes out blank.
Blank is processed: the dichloromethane solvent that at first blank is placed, dissolving PE component wherein; Then dried blank is put into the vacuum degreasing stove, under argon shield, be heated to 250 ℃ with 5 ℃/min, be incubated 100 minutes, be heated to 420 ℃ with 6 ℃/min again, be incubated 120 minutes, make fine powder arrive degreasing base surface via pore channel.
The blank sintering: sintering process is incubated after 240 minutes to cool off with stove for the programming rate with 10 ℃/min is raised to 1250 ℃ of high temperature, obtains product as shown in Figure 4.
Embodiment 3:
The present invention introduces the present invention in detail take the light communicating component seat as example, its process is as follows:
Raw material is prepared: the 304 stainless aerosolization powder that the powder stock of employing provides for Britain Osprey company.
The preparation of binding agent: by weight percentage, PW70%, PE15%, SA10% put in the vane type batch mixer, mix 2 hours under 160 ℃ of temperature.
The preparation of feeding: 50: 50 by volume ratio, the good binding agent of weighing and 304 powder carry out mixing.Mixing temperature is 150 ℃, and the mixing roll rotating speed is 55r/min, mixing time 1.8h.
Injection moulding: the feeding that makes is added in the BOY50T injection machine, 145 ℃ of injection temperatures, injection pressure 100MPa, 40 ℃ of mould temperature, injection moulding goes out blank.
Blank is processed: the dichloromethane solvent that at first blank is placed, dissolving PE component wherein; Then dried blank is put into the vacuum degreasing stove, under argon shield, be heated to 200 ℃ with 2 ℃/min, be incubated 120 minutes, be heated to 400 ℃ with 8 ℃/min again, be incubated 120 minutes, make fine powder arrive degreasing base surface via pore channel.
The blank sintering: sintering process is incubated after 120 minutes to cool off with stove for the programming rate with 12 ℃/min is raised to 1300 ℃ of high temperature, obtains product as shown in Figure 4.
Embodiment 4:
The present invention introduces the present invention in detail take the light communicating component seat as example, its process is as follows:
Raw material is prepared: the 304 stainless aerosolization powder that the powder stock of employing provides for Britain Osprey company.
The preparation of binding agent: by weight percentage, PW85%, PE5%, SA10% put in the vane type batch mixer, mix 2 hours under 155 ℃ of temperature.
The preparation of feeding: 55: 50 by volume ratio, the good binding agent of weighing and 304 powder carry out mixing.Mixing temperature is 165 ℃, and the mixing roll rotating speed is 60r/min, mixing time 1.5h.
Injection moulding: the feeding that makes is added in the BOY50T injection machine, 120 ℃ of injection temperatures, injection pressure 120MPa, 30 ℃ of mould temperature, injection moulding goes out blank.
Blank is processed: the dichloromethane solvent that at first blank is placed, dissolving PE component wherein; Then dried blank is put into the vacuum degreasing stove, under argon shield, be heated to 200 ℃ with 3 ℃/min, be incubated 140 minutes, be heated to 450 ℃ with 10 ℃/min again, be incubated 100 minutes, make fine powder arrive degreasing base surface via pore channel.
The blank sintering: sintering process is incubated after 100 minutes to cool off with stove for the programming rate with 10 ℃/min is raised to 1320 ℃ of high temperature, obtains product as shown in Figure 4.
The present invention adopts a kind of binding agent of novel high paraffin content, improves the flowability of feeding, the labyrinth of the disposable assembly seat product that to comprise 45 ° of inclined-planes of being shaped; Contain simultaneously nearly 10% polyethylene, guarantee that product is indeformable in the skimming processes.Dimensional accuracy and the surface accuracy of control batch production product.
The above design parameter only is part example of the present invention, so can not limit practical range of the present invention with this, the equivalence of doing according to the present patent application claim and description changes and modification, all should still belong to the scope that patent of the present invention contains.
Claims (4)
1. disposable forming technology of light communicating component seat, it is characterized in that: step is as follows:
Raw material is prepared: powder stock is 304 powder of stainless steel;
The preparation of binding agent: by weight percentage, PW70-85%, PE5-20%, SA10-20% mixed 1-2 hour under 140 ℃ of-160 ℃ of temperature;
The preparation of feeding: the ratio of 50-60: 60-50 by volume, the good binding agent of weighing and 304 powder of stainless steel carry out the mixing feeding of making, and mixing temperature is 130-165 ℃, and the mixing roll rotating speed is 40-60r/min, mixing time 1.5-2h;
Injection moulding: will carry out injection moulding in the feeding adding injection machine that make, injection temperature 120-165 ℃, injection pressure 60-120MPa, 30-60 ℃ of mould temperature, injection moulding goes out blank;
Blank is processed: blank dissolving PE component wherein, then dried blank is carried out ungrease treatment;
The blank sintering: sintering process is incubated and cools off with stove after 30～600 minutes for the programming rate with 8～12 ℃/min is raised to 1100～1350 ℃ of high temperature.
2. the disposable forming technology of light communicating component seat according to claim 1 is characterized in that: the 304 stainless aerosolization powder that the powder stock described in the above-mentioned raw materials preparation process provides for Britain Osprey company.
3. the disposable forming technology of light communicating component seat according to claim 1 and 2 is characterized in that: the blank dissolving PE component wherein described in the above-mentioned blank treatment step is the dichloromethane solvent that blank is placed.
4. the disposable forming technology of light communicating component seat according to claim 1 and 2; it is characterized in that: the blank ungrease treatment described in the above-mentioned blank treatment step is that dried blank is put into the vacuum degreasing stove; under argon shield; be heated to 180-250 ℃ with 0.5-5 ℃/min; be incubated 100～140 minutes; be heated to 380-450 ℃ with 4-10 ℃/min again, be incubated 100～140 minutes.
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| CN 201110164890 CN102228990B (en) | 2011-06-17 | 2011-06-17 | One-step molding process for optical communication assembly seat |
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| CN 201110164890 CN102228990B (en) | 2011-06-17 | 2011-06-17 | One-step molding process for optical communication assembly seat |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103341631B (en) * | 2013-07-25 | 2015-12-09 | 丹阳市裕桥精密元件有限公司 | A kind of manufacture craft of optic communication three-way connection |
| CN104972128A (en) * | 2014-04-04 | 2015-10-14 | 浙江一火科技有限公司 | Production method of orthodontic forceps |
| CN105364077A (en) * | 2014-08-26 | 2016-03-02 | 浙江一火科技有限公司 | Method for manufacturing mobile phone card holder |
| CN106956005B (en) * | 2017-03-23 | 2019-08-16 | 东莞华晶粉末冶金有限公司 | A kind of stainless steel alloy material, mirror finish product and production method |
| CN107866559A (en) * | 2017-10-17 | 2018-04-03 | 昆山纳诺新材料科技有限公司 | A kind of stable type injection moulding stainless steel feeding and preparation method thereof |
| CN108339974A (en) * | 2018-02-06 | 2018-07-31 | 东莞华晶粉末冶金有限公司 | One kind 304 powder of stainless steel injection moulding feeding and preparation method thereof |
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