CN107142394A - A kind of Precision Machining Lathe turning tool alloy and preparation method thereof - Google Patents
A kind of Precision Machining Lathe turning tool alloy and preparation method thereof Download PDFInfo
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- CN107142394A CN107142394A CN201710293941.2A CN201710293941A CN107142394A CN 107142394 A CN107142394 A CN 107142394A CN 201710293941 A CN201710293941 A CN 201710293941A CN 107142394 A CN107142394 A CN 107142394A
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- alloy
- precision machining
- turning tool
- machining lathe
- lathe turning
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
- C22C1/0458—Alloys based on titanium, zirconium or hafnium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
Abstract
The invention discloses a kind of Precision Machining Lathe turning tool alloy and preparation method thereof, the Precision Machining Lathe turning tool is made up of with alloy the raw material below according to mass percent：Mo12 ~ 18%, Nb8.6 ~ 14.7%, Zr10 ~ 17%, Hf5.6 ~ 7.2%, Ta2.8 ~ 4.9%, Si0.1 ~ 0.5%, Fe0.9 ~ 2.1%, surplus is Ti.Raw material is put into melting in Muffle furnace after dispensing, temperature control refines 3h at 1250 DEG C, obtains molten alloy；Atomization process is then carried out, does ejection medium using argon gas to smash molten alloy, and is frozen into cooling medium alloy powder；Compressing to alloy powder by super high pressure hydraulic electric tube expander again, pressure parameter is 100 ~ 200MPa；Binding agent finally is added in the alloy suppressed, is put into Muffle furnace and sinters, temperature is 1000 ~ 1200 DEG C, sintering time is 2 ~ 4h.The Precision Machining Lathe turning tool alloy of the present invention has good mechanical performance, especially with preferable tensile strength and hardness.In addition, the Precision Machining Lathe turning tool of the present invention also has good calorific intensity, corrosion stability and heat conductivility with alloy.
Description
Technical field
The present invention relates to technical field of alloy, and in particular to a kind of Precision Machining Lathe turning tool alloy and its preparation side
Method.
Background technology
Numerically controlled lathe is Precision Machining lathe, is a kind of high accuracy, efficient automated machine tool, it is equipped with multistation
Knife tower or power cutter tower, lathe just have extensive process industrial art performance, can processing linear cylinder, oblique line cylinder and various spiral shells
The complex parts such as line, groove, send out with linear interpolation, the various compensation functions of circular interpolation, and in the batch production of complex parts
Good economic effect is waved.
Precision Machining lathe main carries out turnery processing, lathe tool direct and workpiece in cutting with lathe tool to the workpiece of rotation
It is in contact, subjects very big cutting pressure and impact, and by the severe friction of workpiece, produce very high cutting temperature.I.e.
Lathe tool cutting tip is worked under the mal-condition of high temperature, high pressure and severe friction.Therefore, lathe tool cutting tip material should have
Standby high rigidity, high intensity and toughness, preferably wear-resisting, heat-resisting and heat conductivility.However, alloy of the prior art can not be taken into account
Above technical indicator.Accordingly, it is desirable to provide a kind of Precision Machining Lathe turning tool alloy is to meet use demand.
The content of the invention
Present invention aims at a kind of Precision Machining Lathe turning tool alloy and preparation method thereof is provided, to solve the above-mentioned back of the body
The problem of being mentioned in scape.
To achieve the above object, the present invention provides following technical scheme：
A kind of Precision Machining Lathe turning tool alloy, is made up of the raw material below according to mass percent：Mo12 ~ 18%, Nb8.6 ~
14.7%, Zr10 ~ 17%, Hf5.6 ~ 7.2%, Ta2.8 ~ 4.9%, Si0.1 ~ 0.5%, Fe0.9 ~ 2.1%, surplus are Ti.
It is used as further scheme of the invention：The Precision Machining Lathe turning tool alloy, by below according to quality percentage
The raw material composition of ratio：Mo13 ~ 16%, Nb10.2 ~ 13.5%, Zr12 ~ 14%, Hf6.1 ~ 6.8%, Ta3.1 ~ 4.4%, Si0.2 ~
0.35%, Fe1.3 ~ 1.9%, surplus is Ti.
It is used as further scheme of the invention：The Precision Machining Lathe turning tool alloy, by below according to quality percentage
The raw material composition of ratio：Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus are Ti.
A kind of preparation method of Precision Machining Lathe turning tool alloy, comprises the following steps：
1）Dispensing：Matched somebody with somebody according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent of alloy
Material；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into cooling medium alloy powder；
4）Compacting：Compressing to alloy powder using super high pressure hydraulic electric tube expander, pressure parameter is 100 ~ 200MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and sinters, temperature is 1000 ~ 1200 DEG C, sintering
Time is 2 ~ 4h.
It is used as further scheme of the invention：Step 4）In, pressure parameter is 150MPa.
It is used as further scheme of the invention：Step 5）In, binding agent is 0.8wt% polyethylene glycol.
The Precision Machining Lathe turning tool alloy of the present invention, by experimental test, its physical and mechanical properties is as follows：
1st, tensile strength (σb)：650~800MPa
2nd, hardness (HB)：200~230
3rd, elongation percentage (δs)：18%~29%
4th, thermal conductivity factor (l)：15~21W/ (m.K)
The Precision Machining Lathe turning tool alloy of the present invention has good mechanical performance, especially with preferable tensile strength and
Hardness.In addition, the Precision Machining Lathe turning tool of the present invention also has good calorific intensity, corrosion stability and heat conductivility with alloy.
The preparation method technique of the present invention is simple, and obtained alloying component is uniform, fine microstructures, no gross segregation, excellent performance.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy is made up of the raw material below according to mass percent：
Mo12%, Nb8.6%, Zr10%, Hf5.6%, Ta2.8%, Si0.1%, Fe0.9%, surplus are Ti.
During preparation, comprise the following steps：
1）Dispensing：Matched somebody with somebody according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent of alloy
Material；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into cooling medium alloy powder；
4）Compacting：Compressing to alloy powder using super high pressure hydraulic electric tube expander, pressure parameter is 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and sinters, temperature is 1000 DEG C, sintering time
For 2h.
Embodiment 2
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy is made up of the raw material below according to mass percent：
Mo18%, Nb14.7%, Zr17%, Hf7.2%, Ta4.9%, Si0.5%, Fe2.1%, surplus are Ti.
During preparation, comprise the following steps：
1）Dispensing：Matched somebody with somebody according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent of alloy
Material；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into cooling medium alloy powder；
4）Compacting：Compressing to alloy powder using super high pressure hydraulic electric tube expander, pressure parameter is 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and sinters, temperature is 1000 DEG C, sintering time
For 2h.
Embodiment 3
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy is made up of the raw material below according to mass percent：
Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus are Ti.
During preparation, comprise the following steps：
1）Dispensing：Matched somebody with somebody according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent of alloy
Material；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into cooling medium alloy powder；
4）Compacting：Compressing to alloy powder using super high pressure hydraulic electric tube expander, pressure parameter is 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and sinters, temperature is 1000 DEG C, sintering time
For 2h.
Embodiment 4
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy is made up of the raw material below according to mass percent：
Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus are Ti.
During preparation, comprise the following steps：
1）Dispensing：Matched somebody with somebody according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent of alloy
Material；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into cooling medium alloy powder；
4）Compacting：Compressing to alloy powder using super high pressure hydraulic electric tube expander, pressure parameter is 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and sinters, temperature is 1100 DEG C, sintering time
For 3h.
Embodiment 5
In the embodiment of the present invention, a kind of Precision Machining Lathe turning tool alloy is made up of the raw material below according to mass percent：
Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus are Ti.
During preparation, comprise the following steps：
1）Dispensing：Matched somebody with somebody according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent of alloy
Material；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into cooling medium alloy powder；
4）Compacting：Compressing to alloy powder using super high pressure hydraulic electric tube expander, pressure parameter is 150MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and sinters, temperature is 1200 DEG C, sintering time
For 4h.
Corresponding test block is made of alloy for Precision Machining Lathe turning tool made from embodiment 1 ~ 5, according to national standard
Test, its main performance is as shown in table 1.
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| σb（MPa） | 650 | 710 | 750 | 800 | 780 |
| Hardness（HB） | 200 | 215 | 220 | 230 | 220 |
| δs（%） | 18 | 23 | 20 | 27 | 29 |
| l W/(m.K) | 16 | 15 | 19 | 21 | 18 |
Data understand that the combination property of the Precision Machining Lathe turning tool alloy of embodiment 4 is the most excellent higher in guarantee in table
Intensity and hardness while, taken into account elongation percentage and thermal conductivity factor.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1. a kind of Precision Machining Lathe turning tool alloy, it is characterised in that be made up of the raw material below according to mass percent：
Mo12 ~ 18%, Nb8.6 ~ 14.7%, Zr10 ~ 17%, Hf5.6 ~ 7.2%, Ta2.8 ~ 4.9%, Si0.1 ~ 0.5%, Fe0.9 ~ 2.1%, it is remaining
Measure as Ti.
2. Precision Machining Lathe turning tool alloy according to claim 1, it is characterised in that by below according to quality percentage
The raw material composition of ratio：Mo13 ~ 16%, Nb10.2 ~ 13.5%, Zr12 ~ 14%, Hf6.1 ~ 6.8%, Ta3.1 ~ 4.4%, Si0.2 ~
0.35%, Fe1.3 ~ 1.9%, surplus is Ti.
3. Precision Machining Lathe turning tool alloy according to claim 1, it is characterised in that by below according to quality percentage
The raw material composition of ratio：Mo15%, Nb12.3%, Zr13%, Hf6.4%, Ta3.8%, Si0.29%, Fe1.6%, surplus are Ti.
4. a kind of preparation method of Precision Machining Lathe turning tool alloy as described in claim 1-3 is any, it is characterised in that
Comprise the following steps：
1）Dispensing：Matched somebody with somebody according to the Precision Machining Lathe turning tool with the raw material composition and its mass percent of alloy
Material；
2）Melting：Raw material is put into melting in Muffle furnace, temperature control refines 3h at 1250 DEG C, obtains molten alloy；
3）Atomization：Ejection medium is done using argon gas to smash molten alloy, and is frozen into cooling medium alloy powder；
4）Compacting：Compressing to alloy powder using super high pressure hydraulic electric tube expander, pressure parameter is 100 ~ 200MPa；
5）Sintering：Binding agent is added in the alloy suppressed, is put into Muffle furnace and sinters, temperature is 1000 ~ 1200 DEG C, sintering
Time is 2 ~ 4h.
5. the preparation method of Precision Machining Lathe turning tool alloy according to claim 4, it is characterised in that step 4）
In, pressure parameter is 150MPa.
6. the preparation method of Precision Machining Lathe turning tool alloy according to claim 4, it is characterised in that step 5）
In, binding agent is 0.8wt% polyethylene glycol.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536762A (en) * | 2018-12-04 | 2019-03-29 | 舒城久联精密机械有限公司 | A kind of preparation method of Precision Machining lathe tool high-strength alloy |
| CN111745153A (en) * | 2020-06-10 | 2020-10-09 | 杭州科技职业技术学院 | Alloy powder for preparing turning tool through 3D printing and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421536A (en) * | 2002-12-06 | 2003-06-04 | 吉林大学 | New stomalogical titanium alloy |
| CN101569763A (en) * | 2009-03-30 | 2009-11-04 | 上海理工大学 | Biomedical beta-titanium alloy material and preparation method thereof |
-
2017
- 2017-04-28 CN CN201710293941.2A patent/CN107142394B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421536A (en) * | 2002-12-06 | 2003-06-04 | 吉林大学 | New stomalogical titanium alloy |
| CN101569763A (en) * | 2009-03-30 | 2009-11-04 | 上海理工大学 | Biomedical beta-titanium alloy material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536762A (en) * | 2018-12-04 | 2019-03-29 | 舒城久联精密机械有限公司 | A kind of preparation method of Precision Machining lathe tool high-strength alloy |
| CN111745153A (en) * | 2020-06-10 | 2020-10-09 | 杭州科技职业技术学院 | Alloy powder for preparing turning tool through 3D printing and preparation method thereof |
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Denomination of invention: Alloy for turning tool of precision machining lathe and preparation method thereof Effective date of registration: 20190709 Granted publication date: 20180601 Pledgee: Shucheng Anhui rural commercial bank Limited by Share Ltd Pledgor: Shucheng Jiu Lian Pml Precision Mechanism Ltd Registration number: 2019340000374 |
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