CN102628157B - Wear-resistant milling cutter and production method thereof - Google Patents
Wear-resistant milling cutter and production method thereof Download PDFInfo
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- CN102628157B CN102628157B CN201210131829.6A CN201210131829A CN102628157B CN 102628157 B CN102628157 B CN 102628157B CN 201210131829 A CN201210131829 A CN 201210131829A CN 102628157 B CN102628157 B CN 102628157B
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- titanium nitride
- molybdenumdisulphide
- power supply
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Abstract
The invention relates to a wear-resistant milling cutter, which comprises a positioning part, a connecting part and a bit, the positioning part is integrally formed downwardly from the connecting part, the bit is integrally formed upwardly from the connecting part, and a molybdenum disulfide-titanium nitride composite film is uniformly sprayed on the outer wall of the bit. The wear-resistant milling cutter has the advantages of high wear resistance, simple structure, scientific and reasonable design and low cost, has the properties of high rigidity, self lubrication, low surface friction coefficient and high surface finish, and can resist dry cutting and high oxidizing temperature.
Description
Technical field
The invention belongs to milling cutter field, especially a kind of wear-resistant milling cutter and preparation method thereof.
Background technology
Milling cutter, for Milling Process, have the rotary cutter of one or more cutters tooth.During work, each cutter tooth cuts the surplus of workpiece successively off and on.Milling cutter is mainly used in processing plane, step, groove, profiled surface and cut-out workpiece etc. on milling machine, although existing milling cutter can carry out milling work, but difference of hardness, frictional coefficient is high, work-ing life is short, and can not reconditioning, therefore in use increased substantially processing cost.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of wear-resistant milling cutter is provided, and this blades wear is strong, simple in structure, design science reasonable, cost is lower, have high rigidity, self-lubricating, low-friction coefficient, the characteristic of high surface finish, and resistance to dry cutting, resistance to oxidation temperature are high.
Another object of the present invention is to provide a kind of preparation method of wear-resistant milling cutter.
The present invention solves its technical problem and is achieved through the following technical solutions:
, comprising location division, connection section and cutter head, the downward one of connection section is made location division, and the connection section one that makes progress is made cutter head, and it evenly sprays molybdenumdisulphide titanium nitride compound film at cutter head outer wall.
And, this molybdenumdisulphide titanium nitride compound film comprises respectively diffusion transition layer, titanium nitride supporting layer and the molybdenumdisulphide titanium nitride composite bed of titanium from the inner to the outer, the thickness of the diffusion transition layer of titanium is 250～1300nm, the thickness of titanium nitride supporting layer is 500～800nm, and the thickness of molybdenumdisulphide titanium nitride composite bed is 1000～1800nm.
A preparation method for wear-resistant milling cutter, the step that its preparation method comprises is as follows:
(1), opening device: expose cutter head outer wall after milling cutter is processed and put on the rotating disk of vacuum chamber, making vacuum chamber pressure is 10
e-2handkerchief, starts to heat up, and maintains the temperature at 70-200 ℃; Continue to be evacuated to and be less than 6 * 10
e-3till handkerchief; Start rotating disk, rotary speed 1-3 rev/min;
(2), milling cutter etching: pass into the argon gas of 200-400 mark condition milliliter per minute, make vacuum indoor pressure reach 1.0-2.5 handkerchief; Open negative bias power supply, milling cutter is applied to negative bias-800 volt, dutycycle 10-30%; Time 10-20 minute;
(3), bleed: close negative bias power supply and argon gas, be evacuated to and be less than 6 * 10
e-3handkerchief;
(4), the diffusion transition layer of titanium deposition: the argon gas that passes into 150-200 mark condition milliliter per minute, keep vacuum tightness 0.5-1.0 handkerchief, open negative bias power supply ,-400--600 volt, dutycycle 40-60%, then open titanium target magnetic control power supply, electric current 10-15 peace, after time 10-20 minute, reduce negative bias to-150--300V, continue deposition, time 10-20 minute, the diffusion transition layer of formation titanium;
(5), titanium nitride supporting layer deposition: progressively pass into the nitrogen of 100-200 mark condition milliliter per minute, close argon gas, vacuum keep is constant, continues deposition, and depositing time 30-60 minute forms titanium nitride supporting layer;
(6), molybdenumdisulphide titanium nitride composite bed deposition: pass into 100-150 mark condition milliliter per minute argon gas, vacuum tightness 0.5-1.2 handkerchief, opens molybdenumdisulphide magnetic control power supply, and magnetron current 3-8 peace, deposits 60-120 minute, forms molybdenumdisulphide titanium nitride composite bed;
(7), maintenance: close all gas, negative bias power supply, titanium target magnetic control power supply and molybdenumdisulphide magnetic control power supply, keep vacuumizing, and controls vacuum tightness 10
-3handkerchief, 10-30 minute, obtains wear-resistant milling cutter.
Advantage of the present invention and beneficial effect are:
This wear-resistant milling cutter, comprise location division, connection section and cutter head, the downward one of connection section is made location division, the connection section one that makes progress is made cutter head, it evenly sprays molybdenumdisulphide titanium nitride compound film at cutter head outer wall, this molybdenumdisulphide titanium nitride compound film comprises respectively the diffusion transition layer of titanium from the inner to the outer, titanium nitride supporting layer and molybdenumdisulphide titanium nitride composite bed, the thickness of the diffusion transition layer of titanium is 250～1300nm, the thickness of titanium nitride supporting layer is 500～800nm, the thickness of molybdenumdisulphide titanium nitride composite bed is 1000～1800nm, this is simple in structure, wear resistance is strong, design science is reasonable, make simple, cost is lower, there is high rigidity, low-friction coefficient, the characteristic of high surface finish, and resistance to dry cutting, resistance to oxidation temperature is high and film-Ji bonding force is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
Embodiment 1
A kind of wear-resistant milling cutter, comprise location division 3, connection section 2 and cutter head 1, the downward one of connection section is made location division, the connection section one that makes progress is made cutter head, it evenly sprays molybdenumdisulphide titanium nitride compound film at cutter head outer wall, this molybdenumdisulphide titanium nitride compound film comprises respectively diffusion transition layer, titanium nitride supporting layer and the molybdenumdisulphide titanium nitride composite bed of titanium from the inner to the outer, the thickness of the diffusion transition layer of titanium is 250nm, the thickness of titanium nitride supporting layer is 500nm, and the thickness of molybdenumdisulphide titanium nitride composite bed is 1000nm.
A preparation method for wear-resistant milling cutter, the step that its preparation method comprises is as follows:
(1), opening device: expose cutter head outer wall after milling cutter is processed and put on the rotating disk of vacuum chamber, making vacuum chamber pressure is 10
e-2handkerchief, starts to heat up, and maintains the temperature at 70 ℃; Continue to be evacuated to and be less than 6 * 10
e-3till handkerchief; Start rotating disk, 1 rev/min of rotary speed;
(2), milling cutter etching: pass into the argon gas of 200 mark condition milliliter per minutes, make vacuum indoor pressure reach 1.0 handkerchiefs; Open negative bias power supply, milling cutter is applied to negative bias-800 volt, dutycycle 10%; 10 minutes time;
(3), bleed: close negative bias power supply and argon gas, be evacuated to and be less than 6 * 10
e-3handkerchief;
(4), the diffusion transition layer of titanium deposition: the argon gas that passes into 150 mark condition milliliter per minutes, keep vacuum tightness 0.5 handkerchief, open negative bias power supply ,-400 volts, dutycycle 40%, then open titanium target magnetic control power supply, electric current 10 peaces, after 10 minutes time, reduce negative bias to-150, continue deposition, 10 minutes time, the diffusion transition layer of formation titanium;
(5), titanium nitride supporting layer deposition: progressively pass into the nitrogen of 100 mark condition milliliter per minutes, close argon gas, vacuum keep is constant, continues deposition, and depositing time 30 minutes forms titanium nitride supporting layer;
(6), molybdenumdisulphide titanium nitride composite bed deposition: pass into 100 mark condition milliliter per minute argon gas, vacuum tightness 0.5 handkerchief, opens molybdenumdisulphide magnetic control power supply, and magnetron current 3 peaces, deposit 60 minutes, form molybdenumdisulphide titanium nitride composite bed;
(7), maintenance: close all gas, negative bias power supply, titanium target magnetic control power supply and molybdenumdisulphide magnetic control power supply, keep vacuumizing, and controls vacuum tightness 10
-3handkerchief, 10 minutes, obtains wear-resistant milling cutter.
The molybdenumdisulphide titanium nitride compound film performance spraying on wear-resistant milling cutter of the present invention can meet HV0.25 hardness: > 900 completely through detecting; Rockwell impression: HF1-2; Scratch method bonding force: > 60N; Surfaceness: Ra0.1-0.15.
A kind of wear-resistant milling cutter, comprise location division, connection section and cutter head, the downward one of connection section is made location division, the connection section one that makes progress is made cutter head, it evenly sprays molybdenumdisulphide titanium nitride compound film at cutter head outer wall, this molybdenumdisulphide titanium nitride compound film comprises respectively diffusion transition layer, titanium nitride supporting layer and the molybdenumdisulphide titanium nitride composite bed of titanium from the inner to the outer, the thickness of the diffusion transition layer of titanium is 1300nm, the thickness of titanium nitride supporting layer is 800nm, and the thickness of molybdenumdisulphide titanium nitride composite bed is 1800nm.
A preparation method for wear-resistant milling cutter, the step that its preparation method comprises is as follows:
(1), opening device: expose cutter head outer wall after milling cutter is processed and put on the rotating disk of vacuum chamber, making vacuum chamber pressure is 10
e-2handkerchief, starts to heat up, and maintains the temperature at 200 ℃; Continue to be evacuated to and be less than 6 * 10
e-3till handkerchief; Start rotating disk, 3 revs/min of rotary speeds;
(2), milling cutter etching: pass into the argon gas of 400 mark condition milliliter per minutes, make vacuum indoor pressure reach 2.5 handkerchiefs; Open negative bias power supply, milling cutter is applied to negative bias-800 volt, dutycycle 30%; 20 minutes time;
(3), bleed: close negative bias power supply and argon gas, be evacuated to and be less than 6 * 10
e-3handkerchief;
(4), the diffusion transition layer of titanium deposition: the argon gas that passes into 200 mark condition milliliter per minutes, keep vacuum tightness 1.0 handkerchiefs, open negative bias power supply ,-600 volts, dutycycle 60%, then open titanium target magnetic control power supply, electric current 15 peaces, after 20 minutes time, reduce negative bias to-300V, continue deposition, 20 minutes time, the diffusion transition layer of formation titanium;
(5), titanium nitride supporting layer deposition: progressively pass into the nitrogen of 200 mark condition milliliter per minutes, close argon gas, vacuum keep is constant, continues deposition, and depositing time 60 minutes forms titanium nitride supporting layer;
(6), molybdenumdisulphide titanium nitride composite bed deposition: pass into 150 mark condition milliliter per minute argon gas, vacuum tightness 1.2 handkerchiefs, open molybdenumdisulphide magnetic control power supply, and magnetron current 8 peaces, deposit 120 minutes, form molybdenumdisulphide titanium nitride composite bed;
(7), maintenance: close all gas, negative bias power supply, titanium target magnetic control power supply and molybdenumdisulphide magnetic control power supply, keep vacuumizing, and controls vacuum tightness 10
-3handkerchief, 30 minutes, obtains wear-resistant milling cutter.
A kind of wear-resistant milling cutter, comprise location division, connection section and cutter head, the downward one of connection section is made location division, the connection section one that makes progress is made cutter head, it evenly sprays molybdenumdisulphide titanium nitride compound film at cutter head outer wall, this molybdenumdisulphide titanium nitride compound film comprises respectively diffusion transition layer, titanium nitride supporting layer and the molybdenumdisulphide titanium nitride composite bed of titanium from the inner to the outer, the thickness of the diffusion transition layer of titanium is 750nm, the thickness of titanium nitride supporting layer is 650nm, and the thickness of molybdenumdisulphide titanium nitride composite bed is 1400nm.
A preparation method for wear-resistant milling cutter, the step that its preparation method comprises is as follows:
(1), opening device: expose cutter head outer wall after milling cutter is processed and put on the rotating disk of vacuum chamber, making vacuum chamber pressure is 10
e-2handkerchief, starts to heat up, and maintains the temperature at 135 ℃; Continue to be evacuated to and be less than 6 * 10
e-3till handkerchief; Start rotating disk, 2 revs/min of rotary speeds;
(2), milling cutter etching: pass into the argon gas of 300 mark condition milliliter per minutes, make vacuum indoor pressure reach 2 handkerchiefs; Open negative bias power supply, milling cutter is applied to negative bias-800 volt, dutycycle 20%; 15 minutes time;
(3), bleed: close negative bias power supply and argon gas, be evacuated to and be less than 6 * 10
e-3handkerchief;
(4), the diffusion transition layer of titanium deposition: the argon gas that passes into 175 mark condition milliliter per minutes, keep vacuum tightness 0.75 handkerchief, open negative bias power supply ,-500 volts, dutycycle 50%, then open titanium target magnetic control power supply, electric current 13 peaces, after 15 minutes time, reduce negative bias to-220V, continue deposition, 15 minutes time, the diffusion transition layer of formation titanium;
(5), titanium nitride supporting layer deposition: progressively pass into the nitrogen of 150 mark condition milliliter per minutes, close argon gas, vacuum keep is constant, continues deposition, and depositing time 45 minutes forms titanium nitride supporting layer;
(6), molybdenumdisulphide titanium nitride composite bed deposition: pass into 125 mark condition milliliter per minute argon gas, vacuum tightness 0.8 handkerchief, opens molybdenumdisulphide magnetic control power supply, and magnetron current 5 peaces, deposit 90 minutes, form molybdenumdisulphide titanium nitride composite bed;
(7), maintenance: close all gas, negative bias power supply, titanium target magnetic control power supply and molybdenumdisulphide magnetic control power supply, keep vacuumizing, and controls vacuum tightness at 10-3 handkerchief, 20 minutes, obtains wear-resistant milling cutter.
Claims (1)
1. the preparation method of a wear-resistant milling cutter, wear-resistant milling cutter comprises location division, connection section and cutter head, the downward one of connection section is made location division, the connection section one that makes progress is made cutter head, it is characterized in that: at cutter head outer wall, evenly spray molybdenumdisulphide titanium nitride compound film, molybdenumdisulphide titanium nitride compound film comprises respectively the diffusion transition layer of titanium from the inner to the outer, titanium nitride supporting layer and molybdenumdisulphide titanium nitride composite bed, the thickness of the diffusion transition layer of titanium is 250～1300nm, the thickness of titanium nitride supporting layer is 500～800nm, the thickness of molybdenumdisulphide titanium nitride composite bed is 1000～1800nm, the step that this preparation method comprises is as follows:
(1), opening device: expose cutter head outer wall after milling cutter is processed and put on the rotating disk of vacuum chamber, making vacuum chamber pressure is 10
e-2handkerchief, starts to heat up, and maintains the temperature at 70-200 ℃; Continue to be evacuated to and be less than 6 * 10
e-3till handkerchief; Start rotating disk, rotary speed 1-3 rev/min;
(2), milling cutter etching: pass into the argon gas of 200-400 mark condition milliliter per minute, make vacuum indoor pressure reach 1.0-2.5 handkerchief; Open negative bias power supply, milling cutter is applied to negative bias-800 volt, dutycycle 10-30%; Time 10-20 minute;
(3), bleed: close negative bias power supply and argon gas, be evacuated to and be less than 6 * 10
e-3handkerchief;
(4), the diffusion transition layer of titanium deposition: the argon gas that passes into 150-200 mark condition milliliter per minute, keep vacuum tightness 0.5-1.0 handkerchief, open negative bias power supply ,-400--600 volt, dutycycle 40-60%, then open titanium target magnetic control power supply, electric current 10-15 peace, after time 10-20 minute, reduce negative bias to-150--300V, continue deposition, time 10-20 minute, the diffusion transition layer of formation titanium;
(5), titanium nitride supporting layer deposition: progressively pass into the nitrogen of 100-200 mark condition milliliter per minute, close argon gas, vacuum keep is constant, continues deposition, and depositing time 30-60 minute forms titanium nitride supporting layer;
(6), molybdenumdisulphide titanium nitride composite bed deposition: pass into 100-150 mark condition milliliter per minute argon gas, vacuum tightness 0.5-1.2 handkerchief, opens molybdenumdisulphide magnetic control power supply, and magnetron current 3-8 peace, deposits 60-120 minute, forms molybdenumdisulphide titanium nitride composite bed;
(7), maintenance: close all gas, negative bias power supply, titanium target magnetic control power supply and molybdenumdisulphide magnetic control power supply, keep vacuumizing, and controls vacuum tightness 10
-3handkerchief, 10-30 minute, obtains wear-resistant milling cutter.
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| CN201210131829.6A CN102628157B (en) | 2012-04-27 | 2012-04-27 | Wear-resistant milling cutter and production method thereof |
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| CN108048810B (en) * | 2017-11-09 | 2020-01-07 | 吉林大学 | Superhard low-friction wear-resistant protective coating and preparation method thereof |
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| CN201808250U (en) * | 2010-03-26 | 2011-04-27 | 大连远东工具有限公司 | Anti-wear coating on surface of tool |
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Effective date of registration: 20200214 Address after: 221200 Economic Development Zone, Suining County, Xuzhou City, Jiangsu Province (inside Jiangsu star home appliance technology Co., Ltd.) Patentee after: Xuzhou Saifu Electronic Co., Ltd Address before: 300308, Tianjin Dongli Airport Economic Zone West seven Avenue 18 (7-2) a layer Patentee before: Saiwu (Tianjin) Coating Technology Co., Ltd. |
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