METHODS FOR MANUFACTURING ULTRA-HARD AND WEAR-RESISTANT COMPOSITE BLADE

Abstract

A method for manufacturing an ultra-hard and wear-resistant composite blade, comprising the following steps: carrying out pre-blank-fabricating and pre-matrix-forming treatments on a blade matrix (2) material to form a preformed blank; adding an ultra-hard alloy material in the preformed blank by means of an ultra-high-temperature melting treatment; after cooling, machining and grinding according to the blade specifications to obtain the ultra-hard, wear-resistant and antirust composite blade. The composite blade manufactured using the method has ultra-high hardness, wear resistance and blank antirust performance; moreover, the cutting edge of the nanoscale ultra-hard alloy body is durable and sharp and is not liable to wear.

Claims

1. A method for preparing an ultra-hard and wear-resistant composite blade, wherein the method comprises: Step A1: subjecting the blade base material to preform processing and base premolding processing to form a preformed body; Step A2: adding an ultra-hard alloy material is added into the preformed body, which is then subjecting to an ultra-high temperature melting treatment to produce; and Step A3: after cooling, processing and grinding, according to the blade specifications, the nanoscale ultra-hard alloy body to obtain an ultra-hard, wear-resistant and rust-resistant composite blade.

2. The method for preparing an ultra-hard and wear-resistant composite blade according to claim 1, wherein the temperature of the ultra-high temperature melting treatment in the step A2 is 1200 to 2700 C., and the process time is 2 to 60 seconds.

3. The method for preparing an ultra-hard and wear-resistant composite blade according to claim 1, wherein the preformed body has a shape of a planar abutment or a curved abutment.

4. The method for preparing an ultra-hard and wear-resistant composite blade according to claim 1, wherein said blade base material includes at least one selected from the group consisting of Martensitic stainless steel, ferritic stainless steel, Austenitic stainless steel, titanium alloy and rust resistant alloy.

5. The method for preparing an ultra-hard and wear-resistant composite blade according to claim 1, wherein said ultra-hard alloy material includes at least one selected from the group consisting of nickel-based alloy, cobalt-based alloy, iron-based alloy, tungsten carbide composite material, high rust-resistant cemented carbide, ceramic, and synthetic diamond.

6. The method for preparing an ultra-hard and wear-resistant composite blade according to claim 5, wherein said ultra-hard alloy material includes at least one selected from the group consisting of nickel-based alloy, tungsten carbide cobalt alloy, and ceramic

7. The method for preparing an ultra-hard and wear-resistant composite blade according to claim 1, wherein said cooling method is air cooling or oil cooling

8. The method for preparing an ultra-hard and wear-resistant composite blade according to claim 1, wherein said cooling time is 10 to 120 minutes, and the temperature is cooled to 10 to 100 C.

9. Method for using the ultra-hard and wear-resistant composite blade prepared according to the method of claim 1, comprising: using the ultra-hard and wear-resistant composite blade in preparation of an ultra-hard and wear-resistant cutter, a single-side ultra-hard and wear-resistant cutter or ultra-hard wear-resistant scissors.

10. The method for preparing an ultra-hard and wear-resistant composite blade according to claim 7, wherein said cooling time is 10 to 120 minutes, and the temperature is cooled to 10 to 100 C.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects, and advantages of the present disclosure will become apparent from the detailed description of the non-limiting examples with reference to the following figures.

[0025] FIG. 1 shows a blade of an ultra-hard and wear-resistant cutter prepared according to Embodiment 1 of the present disclosure.

[0026] FIG. 2 shows a blade of a single-sided ultra-hard and wear-resistant cutter prepared according to Embodiment 2 of the present disclosure.

[0027] FIG. 3 shows blades of the ultra-hard and wear-resistant scissors prepared according to Embodiment 3 of the present disclosure.

[0028] Listing of referential signs: 1 is blade tip; 2 is blade base.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The present disclosure will be described in detail below with reference to the specific embodiments. The following examples are intended to further understand the disclosure, but are not intended to limit the disclosure in any way. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the inventive concept. They all belong to the scope of protection of the present disclosure.

Embodiment 1

[0030] This embodiment relates to a method for preparing an ultra-hard and wear-resistant composite blade of an ultra-hard and wear-resistant cutter, which comprises the following steps:

[0031] Step A1, subjecting the blade base material to preform processing and base premolding processing to form a preformed body; and

[0032] Step A2, adding an ultra-hard alloy material into the preformed body, which was then subjecting to an ultra-high temperature melting treatment to produce;

[0033] Step A3, after cooling, processing and grinding, according to the blade specifications, the nanoscale ultra-hard alloy body to obtain an ultra-hard, wear-resistant and rust-resistant composite blade.

[0034] The temperature of said ultra-high temperature melting treatment in the step A2 was 1400 to 1800 C.; and the process time was 2 to 60 seconds.

[0035] The shape of said preformed body was a planar abutment.

[0036] Said blade base material was Martensitic stainless steel

[0037] Said ultra-hard alloy material was nickel-based alloy.

[0038] Said cooling method was air cooling; the cooling time was 120 minutes, and the temperature was cooled to below 100 C.

[0039] The wear-resistant cutter blade prepared in this embodiment is as shown in FIG. 1. Said wear-resistant cutter blade included a blade tip 1 and a blade base 2, and the blade tip 1 had a hardness of 58 to 75.

Embodiment 2

[0040] This embodiment relates to a method for preparing an ultra-hard and wear-resistant composite blade of a single-sided super wear-resistant cutter, which comprises the following steps:

[0041] Step A1, subjecting a blade base material to preform processing and base premolding processing to form a preformed body;

[0042] Step A2, adding an ultra-hard alloy material to the preformed body, which is then subjecting to an ultra-high temperature melting treatment to produce a nanoscale ultra-hard alloy body; and

[0043] Step A3, after cooling, processing and grinding, according to the blade specifications, the nanoscale ultra-hard alloy body to obtain an ultra-hard, wear-resistant and rust-resistant composite blade.

[0044] The temperature of said ultra-high temperature melting treatment in the step A2 was 2400 to 2700 C.; and the process time is 2 to 10 seconds.

[0045] The shape of said preformed body was a curved abutment.

[0046] Said blade base material was Austenitic stainless steel.

[0047] Said ultra-hard alloy material was tungsten carbide cobalt alloy.

[0048] Said cooling method was oil cooling; the cooling time was 30 minutes; and the temperature was cooled to below 100 C.

[0049] The single-sided super wear-resistant cutter blade prepared in this embodiment is as shown in FIG. 2. Said single-sided super wear-resistant cutter blade included a blade tip 1 and a blade base 2; and the blade tip 1 had a hardness of 58 to 75.

Embodiment 3

[0050] This embodiment relates to a method for preparing an ultra-hard and wear-resistant composite blade of super wear-resistant scissors, which comprises the following steps:

[0051] Step A1, subjecting a blade base material to preform processing and base premolding processing to form a preformed body; and

[0052] Step A2, adding an ultra-hard alloy material to the preformed body, which is then subjecting to an ultra-high temperature melting treatment to produce a nanoscale ultra-hard alloy body;

[0053] Step A3, after cooling, processing and grinding, according to the blade specifications, the nanoscale ultra-hard alloy body to obtain an ultra-hard, wear-resistant and rust-resistant composite blade.

[0054] The temperature of said ultra-high temperature melting treatment in the step A2 was 1900 to 2100 C.; and the process time was 30 to 40 seconds.

[0055] The shape of said preformed body was a curved abutment.

[0056] Said blade base material was titanium alloy.

[0057] Said ultra-hard alloy material was ceramic.

[0058] Said cooling method was oil cooling; the cooling time was 10 minutes; and the temperature was cooled to below 100 C.

[0059] The blades of super wear-resistant scissors prepared in this embodiment is as shown in FIG. 3. Said blades of the super wear-resistant scissors included blade tips 1 and blade bases 2; and the blade tips 1 had a hardness of 58 to 75.

[0060] There are many specific applications of the present disclosure, and the above is only the description of preferred embodiments of the present disclosure. It should be noted that the above embodiments are merely illustrative of the disclosure and are not intended to limit the scope of the disclosure. Numerous modifications may be made by those skilled in the art without departing from the principles of the disclosure, and such modifications are also considered to be within the scope of protection of the disclosure.