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Manufacture method for tire casing of diamond wire saw sintered type bead

A technique of diamond wire saw and manufacturing method, which is applied to metal sawing equipment, knives of sawing machine devices, manufacturing tools, etc., which can solve the problem of insufficient bonding between carcass and steel substrate, insufficient diamond enclosing force, and large diamond damage, etc. problems, to achieve high bond strength, good cladding ability, and improved sintering activity

Inactive Publication Date: 2012-06-27
长沙市德天冶金科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the beading carcass at home and abroad is mainly made of pure cobalt or high-cobalt materials, but the beads generally have insufficient encapsulation force of the carcass to the diamond; insufficient bonding between the carcass and the steel matrix; Phase sintering, high sintering temperature, large diamond damage; high cost and other defects

Method used

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  • Manufacture method for tire casing of diamond wire saw sintered type bead
  • Manufacture method for tire casing of diamond wire saw sintered type bead

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: get 150g iron powder, 250g cobalt powder and 600g copper powder and mix uniformly at normal temperature, form iron-cobalt-copper pre-alloy powder; Get 750g iron-cobalt-copper pre-alloy powder, 150g bronze powder 6-6-3 and 100g nickel Chromium alloy powder (the weight ratio of nickel and chromium is 76:24) is mixed uniformly at room temperature to form granulated powder; according to the standard of adding 1.45 carats of diamond per cubic centimeter of granulated powder, diamond is added to the above granulated powder and mixed at room temperature to form Carcass raw materials: Carcass raw materials are cold pressed, hot pressed and sintered to form a carcass.

Embodiment 2

[0017] Embodiment 2: Get 150g iron powder, 250g cobalt powder and 600g copper powder and mix evenly at normal temperature, form iron-cobalt-copper pre-alloy powder; Get 800g iron-cobalt-copper pre-alloy powder, 125g bronze powder 6-6-3 and 75g nickel Chromium alloy powder (the weight ratio of nickel and chromium is 76:24) is mixed uniformly at room temperature to form granulated powder; according to the standard of adding 1.45 carats of diamond per cubic centimeter of granulated powder, diamond is added to the above granulated powder and mixed at room temperature to form Carcass raw materials: Carcass raw materials are cold pressed, hot pressed and sintered to form a carcass.

Embodiment 3

[0018] Embodiment 3: get 150g iron powder, 250g cobalt powder and 600g copper powder and mix uniformly at normal temperature, form iron-cobalt-copper pre-alloy powder; Get 850g iron-cobalt-copper pre-alloy powder, 100g bronze powder 6-6-3 and 50g nickel Chromium alloy powder (the weight ratio of nickel and chromium is 76:24) is mixed uniformly at room temperature to form granulated powder; according to the standard of adding 1.45 carats of diamond per cubic centimeter of granulated powder, diamond is added to the above granulated powder and mixed at room temperature to form Carcass raw materials: Carcass raw materials are cold pressed, hot pressed and sintered to form a carcass.

[0019] The carcass formed in the above-mentioned embodiments 1-3 and the existing carcass made of pure cobalt material were subjected to the following comparative test research, and the results were obtained as follows:

[0020] 1: Experimental results and analysis of carcass flexural strength

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Abstract

The invention discloses a manufacture method for the tire casing of a diamond wire saw sintered type bead. The method comprises the following steps: 15 parts of iron powder, 25 parts of cobalt powder and 60 parts of copper powder are taken according to parts by weight for mixing so as to form iron, cobalt and copper prealloying power under normal temperaure, then 75 to 85 parts of prealloying powder, 10 to 15 parts of bronze powder and 5 to 10 parts of nickel chromium triangle alloyed powder are taken according to parts by weight for mixing so as to form pelletizing powder, finally proper diamond is added into the pelletizing powder so as to form the raw material of the tire casting, then cold press and hot press sintering and the like are performed on the raw material of the tire casting so as to form the tire casting. The tire casing of the diamond wire saw sintered type bead, manufactured by the invention, has an excellent holding force, the tire casing is firmly adhered to a steel base, the sintering activity of the tire body is greatly improved, the sintering temperature is lowered greatly, and the energy is saved.

Description

technical field [0001] The invention relates to a diamond wire saw, in particular to a method for making a carcass of a sintered beaded diamond wire saw. Background technique [0002] Diamond beaded wire saw is a flexible cutting tool for superhard materials, widely used for cutting hard and brittle materials such as stone and concrete. The bead is an important component of the diamond wire saw, and it is a cutting body with a wire rope as the carrier. [0003] Such as figure 1 As shown, the beads are mainly formed by wrapping a diamond-embedded carcass 1 on a steel base belt 2 . [0004] At present, the beading carcass at home and abroad is mainly made of pure cobalt or high-cobalt materials, but the beading generally has insufficient encapsulation force of the carcass to the diamond; insufficient bonding between the carcass and the steel matrix; Phase sintering, high sintering temperature, large diamond damage, high cost and other defects. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): B22F3/16B22F5/00B23D61/18
Inventor 唐志明杜桂兵
Owner 长沙市德天冶金科技有限公司
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