CN102234758A - Process for processing titanium-coated screw tap - Google Patents
Process for processing titanium-coated screw tap Download PDFInfo
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- CN102234758A CN102234758A CN2011101009758A CN201110100975A CN102234758A CN 102234758 A CN102234758 A CN 102234758A CN 2011101009758 A CN2011101009758 A CN 2011101009758A CN 201110100975 A CN201110100975 A CN 201110100975A CN 102234758 A CN102234758 A CN 102234758A
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- titanium
- coating
- screw tap
- cutter
- chromium
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Abstract
The invention discloses a process for processing a titanium-coated screw tap. The process comprises the following steps of: performing refined pretreatment such as sandblasting, cleaning and the like on a cutter; degreasing, dedusting and decontaminating the cutter, and performing moderate cutting edge passivation and the like on the cutter to obtain a clean neutral metal surface; clamping and feeding into a furnace cavity; performing inert gas (argon) ion bombardment under a high vacuum state to obtain an active metal surface; and depositing a coating layer with required performance and thickness on the metal surface. The process is characterized in that: the coating layer with the required performance and the thickness of between 1 and 5um is deposited on the metal surface at the temperature of between 250 and 500 DEG C for 6 to 10 hours; a current inlet wire for a coating furnace has the voltage of 380V and the load current of between 100 and 300A; and a coating comprises the following component elements in percentage by weight: 5.2 to 6.2 percent of titanium (Ti), 5.5 to 5.0 percent of aluminum (Al), 48.3 to 50.3 percent of nitrogen (N) and 41 to 38.5 percent of chromium (Cr).
Description
Technical field
The present invention relates to be coated with the complete processing of titanium screw tap, be that instrument, the cutlery of using on a kind of machine finshing lathe is screw tap specifically, adopt a kind of novel process, the screw tap top layer is coated with the metallic diaphragm that last layer contains titanium elements, prolonged the work-ing life of screw tap greatly, and processing characteristics strengthens greatly.
Background technology
Common tapper tap, be to make for a long time with the universal high speed steel always, can only be used for processing ordinary steel workpiece under conventional cutting speed and the efficient, regard to workpiece such as the industrial titanium alloy of the high strength alloy steel of processing automobile industry, particularly stainless steel and Aeronautics and Astronautics, refractory alloy, not only efficient is low, even situation about can't process occurs.Domestic for this reason at this situation, make great efforts the high performance tapper tap of exploitation, from the structure of screw tap, research and develop with many-sides such as material and process for modifying surface, processing units and technologies.And the present invention has obtained good effect.
Summary of the invention
The present invention has overcome the product structure dullness of prior art, and style is single, stiff, and function is few, insecure, use is inconvenient; Deficiency and defective that materials, design are careless about.Adopt new technology, the screw tap top layer is coated with the metallic diaphragm that last layer contains titanium elements, prolonged the work-ing life of screw tap greatly, processing characteristics strengthens greatly.Be applicable to workpiece such as the industrial titanium alloy of the high strength alloy steel of processing automobile industry, particularly stainless steel and Aeronautics and Astronautics, refractory alloy, not only efficient height, and processing quality is good; Increased practicality, easy to use.
Technical scheme of the present invention: be coated with the complete processing of titanium screw tap, comprise screw tap, titanium elements, the coating that metal-cutting machine tool is used is a physical vapor deposition; Its technological process is meticulous pre-treatment processes such as sandblast, cleaning that cutter is carried out, cutter is carried out the clean neutral metal surfaces of acquisition such as cutting edge passivation of degreasing, dedusting, decontamination and appropriateness, behind clamping, enter furnace chamber, then under high vacuum state, by rare gas element (argon gas) ion bombardment, obtain active metallic surface, again the rete of the thickness of deposition desired properties on this metallic surface; The thickness that it is characterized in that deposition desired properties on this metallic surface is the rete of 1-5um, and depositing temperature is 250-500 ℃, and the time is 6-10 hour, and coating stove electric current inlet wire: voltage is 380V, and load current is 100-300A; The ratio of the composition of coating and composition and each component: the coating component has titanium (Ti), aluminium (Al), nitrogen (N), chromium (Cr) etc., and ratio is: titanium: 5.2-6.2%, aluminium: 5.5-5.0%, nitrogen: 48.3-50.3%, chromium: 41-38.5%; The coating stove can use the vacuum coat of supply electric furnace on the market.
The trend that component and microstructure diversification are arranged at present makes the performance of rete different, can satisfy the different application requirement, and its technology is assembled and operation also automatization day by day, intellectuality and integrated characteristics, belongs to the Technology of a low-carbon (LC), environmental protection; It is in the application constantly development of aspects such as metal cutting tool, mould, wear resistance.Therefore, on basis of the present invention, have lofty ideals for carrying out a series of inventions.
Beneficial effect of the present invention shows: be coated with the complete processing of titanium screw tap, the screw tap top layer is coated with the metallic diaphragm that last layer contains titanium elements, prolonged the work-ing life of screw tap greatly, processing characteristics strengthens greatly.Be applicable to workpiece such as the industrial titanium alloy of the high strength alloy steel of processing automobile industry, particularly stainless steel and Aeronautics and Astronautics, refractory alloy, not only efficient height, and processing quality is good; Increased practicality, easy to use.This is coated with the titanium film and has high rigidity greater than 2000HV, the thermotolerance more than 600 ℃, reduces frictional force more than 30% and good chemical stability, the high calorie that produces when reducing cutting force, tolerance cutting, the bonding and the BUE that reduce working angles generate, realize high speed, efficient and high precision processing, improve the working durability greatly and carry out the processing of difficult-to-machine materials such as ultrahigh-strength steel, stainless steel and Precise Alloy, reduce cutter and consume 1, help low-carbon (LC) production to several times.
Embodiment
Be coated with the complete processing of titanium screw tap, comprise screw tap, titanium elements, the coating that metal-cutting machine tool is used is a physical vapor deposition; Its technological process is meticulous pre-treatment processes such as sandblast, cleaning that cutter is carried out, cutter is carried out the clean neutral metal surfaces of acquisition such as cutting edge passivation of degreasing, dedusting, decontamination and appropriateness, behind clamping, enter furnace chamber, then under high vacuum state, by rare gas element (argon gas) ion bombardment, obtain active metallic surface, again the rete of the thickness of deposition desired properties on this metallic surface; The thickness that it is characterized in that deposition desired properties on this metallic surface is the rete of 3.5um, and depositing temperature is 450 ℃, and the time is 9 hours, and coating stove electric current inlet wire: voltage is 380V, and load current is 300A; The ratio of the composition of coating and composition and each component: the coating component has titanium (Ti), aluminium (Al), nitrogen (N), chromium (Cr), and ratio is: titanium: 5.2%, and aluminium: 5.5%, nitrogen: 48.3%, chromium: 41%; The coating stove can use the vacuum coat of supply electric furnace on the market.
Claims (2)
1. be coated with the complete processing of titanium screw tap, comprise screw tap, titanium elements, the coating that metal-cutting machine tool is used is a physical vapor deposition; Its technological process is meticulous pre-treatment processes such as sandblast, cleaning that cutter is carried out, cutter is carried out the clean neutral metal surfaces of acquisition such as cutting edge passivation of degreasing, dedusting, decontamination and appropriateness, behind clamping, enter furnace chamber, then under high vacuum state, by rare gas element (argon gas) ion bombardment, obtain active metallic surface, again the rete of the thickness of deposition desired properties on this metallic surface; The thickness that it is characterized in that deposition desired properties on this metallic surface is the rete of 1-5um, and depositing temperature is 250-500 ℃, and the time is 6-10 hour, and coating stove electric current inlet wire: voltage is 380V, and load current is 100-300A; The ratio of the composition of coating and composition and each component: the coating component has titanium (Ti), aluminium (Al), nitrogen (N), chromium (Cr), and ratio is: titanium: 5.2-6.2%, aluminium: 5.5-5.0%, nitrogen: 48.3-50.3%, chromium: 41-38.5%.
2. the complete processing that is coated with the titanium screw tap according to claim 1, it is characterized in that the described thickness that deposits desired properties on this metallic surface is the rete of 3.5um, depositing temperature is 450 ℃, and the time is 9 hours, coating stove electric current inlet wire: voltage is 380V, and load current is 300A; The ratio of the composition of coating and composition and each component: the coating component has titanium (Ti), aluminium (Al), nitrogen (N), chromium (Cr), and ratio is: titanium: 5.2%, and aluminium: 5.5%, nitrogen: 48.3%, chromium: 41%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110100975 CN102234758B (en) | 2011-04-20 | 2011-04-20 | Process for processing titanium-coated screw tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110100975 CN102234758B (en) | 2011-04-20 | 2011-04-20 | Process for processing titanium-coated screw tap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102234758A true CN102234758A (en) | 2011-11-09 |
| CN102234758B CN102234758B (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110100975 Expired - Fee Related CN102234758B (en) | 2011-04-20 | 2011-04-20 | Process for processing titanium-coated screw tap |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620965A (en) * | 2018-04-09 | 2018-10-09 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing rectification pillar special screw tap reconditioning reuse method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4540596A (en) * | 1983-05-06 | 1985-09-10 | Smith International, Inc. | Method of producing thin, hard coating |
| CN101524904A (en) * | 2008-03-07 | 2009-09-09 | 山高刀具公司 | Layered coated cutting tool |
| CN101626861A (en) * | 2007-06-08 | 2010-01-13 | Osg株式会社 | Hard coat covers the manufacture method of screw tap and hard coat covering screw tap |
| EP2149624A1 (en) * | 2008-07-31 | 2010-02-03 | Sulzer Metaplas GmbH | Multilayer film-coated member and method for producing it |
| CN101831615A (en) * | 2010-05-11 | 2010-09-15 | 广东工业大学 | Nano composite titanium-chromium-aluminum-silicon nitride cutter coat and preparation method thereof |
-
2011
- 2011-04-20 CN CN 201110100975 patent/CN102234758B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4540596A (en) * | 1983-05-06 | 1985-09-10 | Smith International, Inc. | Method of producing thin, hard coating |
| CN101626861A (en) * | 2007-06-08 | 2010-01-13 | Osg株式会社 | Hard coat covers the manufacture method of screw tap and hard coat covering screw tap |
| CN101524904A (en) * | 2008-03-07 | 2009-09-09 | 山高刀具公司 | Layered coated cutting tool |
| EP2149624A1 (en) * | 2008-07-31 | 2010-02-03 | Sulzer Metaplas GmbH | Multilayer film-coated member and method for producing it |
| CN101831615A (en) * | 2010-05-11 | 2010-09-15 | 广东工业大学 | Nano composite titanium-chromium-aluminum-silicon nitride cutter coat and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 蔡志海，等: "CrTiAlN复合涂层硬质合金刀具的制备与切削性能研究", 《2008全国荷电粒子源、离子束学术会议论文集》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620965A (en) * | 2018-04-09 | 2018-10-09 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing rectification pillar special screw tap reconditioning reuse method |
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| CN102234758B (en) | 2013-04-17 |
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