Nano composite alternate coated cutting tool and preparation method thereof
A nano-composite and coating technology, applied in the field of machining tools, can solve problems such as difficult to meet customer processing needs, poor wear resistance, easy to break, etc., and achieve high hardness, high gloss, and low friction coefficient.
Active Publication Date: 2018-06-15
ZHEJIANGSHENGANG SAIOU TECH CO LTD
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Problems solved by technology
With the development of the machinery manufacturing industry in the direction of high efficiency, high precision, and high brightness (processed surface) in recent years, the usual TiN (not suitable for wet processing), ALCrN (processing of materials above HRC50° has poor wear resistance) , AlTiN (processing HRC30°-50° material is easy to break), etc. are difficult to meet the processing needs of customers
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[0028] Below the present invention is described in further detail;
[0029] The technical solution of the present invention is a nanocomposite alternately coated cutting tool, which is characterized in that: the cutting tool alternately contains TIALSIN coating, ALCRSIN coating and ALCRSIN coating, wherein the content of each element is as follows AL: 51% ± 2% , CR: 26%±2%, TI: 19%±2, SI: 2%.
[0030] The steps of the cutting tool preparation method of the present invention are as follows:
[0031] ① Target ratio: No.1 TIAL(80:20), No.2AlSI(88:12), No.3 AlCr(70:30), No.4 CR;
[0032] ②Put the cleaned tool into the coating chamber (cleaning is carried out by ultrasonic at 60-70 degrees Celsius liquid solvent), and vacuumize the chamber to make it enter a medium-level vacuum state (0.003-0.008Mbar);
[0033] ③Start heating the chamber, the heating time is about 60 minutes to 100 minutes, the heating temperature is 520°C, and the vacuum degree is below 0.005Mbar during the fina...
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Abstract
The technical scheme of the invention provides a nano composite alternate coated cutting tool which is characterized in that the cutting tool alternately comprises a TIALSIN coating layer, an ALCRSINcoating layer and an ALCRSIN coating layer, wherein the contents of elements are as following: 51%+ / -2% of AL, 26%+ / -2% of CR, 19%+ / -2% of TI and 2% of SI. In the processing process of the cutting tool, the universality is high, and the cutting tool has the high hardness, the oxidation resistance and the heat stability of TIALSIN. The fractional coefficient of the cutting tool is relatively low while the high-aluminum ALCRSIN coating layer has the high hardness, and thus the glossiness of the processed surface is high. The mediate-aluminum ALCRSIN coating layer has certain toughness so that chipped breakage caused by over hardness of the coating layers in the processing process cannot occur.
Description
technical field [0001] The invention relates to the field of machining tools, in particular to a nano-composite alternate coating tool and a preparation method thereof. Background technique [0002] In recent years, with the development of machinery manufacturing industry, coated cutting tools have been widely used in various fields. The hardness, wear resistance, lubricity (anti-wear coefficient) and service life of the coated tool are greatly improved. With the development of the machinery manufacturing industry in the direction of high efficiency, high precision, and high brightness (processed surface) in recent years, the usual TiN (not suitable for wet processing), ALCrN (processing of materials above HRC50° has poor wear resistance) , AlTiN (processing HRC30°-50° material is easy to break), etc. It is difficult to meet the processing needs of customers. Contents of the invention [0003] In view of the above problems, the present invention aims to provide a novel n...
Claims
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IPC IPC(8): C23C14/34C23C14/02C23C14/06
CPCC23C14/0036C23C14/022C23C14/024C23C14/0617C23C14/0641C23C14/3464
Inventor 徐炳坤
Owner ZHEJIANGSHENGANG SAIOU TECH CO LTD