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Composite saw blade with equidistant positioning and distribution of ultra-thin layers of diamond and its manufacturing process

A manufacturing process and diamond technology, applied in the field of machining, can solve the problems of restricting the use range of diamond saw blades, restricting the normal use of diamond saw blades, poor precision, etc.

Active Publication Date: 2018-12-21
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are many materials used in the production of conventional diamond saw blades, and the diamonds are randomly distributed on the saw blades, resulting in the inability of the diamonds to fully perform their functions. When the conventional saw blades are working, they have large cutting resistance, high energy consumption, low efficiency, and poor precision, which limits The normal use of diamond saw blades also limits the scope of use of diamond saw blades and hinders the development of cutting technology

Method used

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  • Composite saw blade with equidistant positioning and distribution of ultra-thin layers of diamond and its manufacturing process

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Experimental program
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Effect test

Embodiment 1

[0032] Diamond equidistant positioning and distribution of ultra-thin composite saw blades, the diameter of the saw blade is Φ500mm, the size of the ultra-thin slice of the working layer in the block: length × height × thickness = 40mm × 10mm × 0.3mm; the size of the ultra-thin slice of the isolation layer: long × height × thickness = 40mm × 10mm × 0.2mm, each block contains 7 layers of ultra-thin sheets of the working layer and 6 layers of ultra-thin sheets of the isolation layer, the size of the saw blade segment is length × height × thickness = 40mm × 10mm × 3.3 mm.

[0033] Working layer ultra-thin sheet carcass formula mass ratio: cobalt powder-55%, nickel powder-10%, iron powder-5%, titanium powder-2%, chromium powder-3%, copper powder-20%, tin powder- 5%, the particle size of the powder is 325 mesh (45 microns) or finer; the diamond volume concentration is 8%, and the particle size is 80 / 100 mesh (150-178 microns).

[0034] The mass ratio of the ultra-thin sheet formul...

Embodiment 2

[0044] Diamond equidistant positioning and distribution of ultra-thin composite saw blades, the diameter of the saw blade is Φ1600mm, the size of the ultra-thin slice of the working layer in the block: length × height × thickness = 24mm × 12mm × 0.4mm; the size of the ultra-thin slice of the isolation layer: long × height × thickness = 24mm × 10mm × 0.2mm, each block contains 17 layers of ultra-thin sheets of the working layer and 16 layers of ultra-thin sheets of the isolation layer, the size of the saw blade segment is length × height × thickness = 24mm × 12mm × 10mm .

[0045] Working layer ultra-thin sheet carcass formula mass ratio: cobalt powder-45%, nickel powder-15%, iron powder-10%, titanium powder-2%, chromium powder-3%, copper powder-20%, tin powder- 5%, the particle size of the powder is 325 mesh (45 microns) or finer; the diamond volume concentration is 8%, and the particle size is 40 / 60 mesh (380-250 microns).

[0046] The mass ratio of the ultra-thin sheet formul...

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Abstract

The invention relates to a diamond equidistant positioned distribution ultrathin layer composite saw sheet and a manufacturing process thereof. A working layer ultrathin sheet and an isolating layer ultrathin sheet with the thickness being 0.1 to 1.0 mm are compounded to form saw sheet segments; a segment working layer ultrathin sheet matrix takes metal powder and diamond as raw materials, and a segment isolating layer ultrathin sheet takes graphite powder, silicon carbide powder, aluminum oxide powder and ceramic powder as raw materials; when the working layer ultrathin sheet is subjected to cold press molding, an equidistant positioned distribution structure is adopted, and diamond particles are embedded at the preset positions of the matrix; and in the charging process, an ultrasonic or other high-frequency vibrating platform is used for vibrating distributed materials to guarantee uniform and consistent thickness, and the saw sheet is manufactured by a hot-pressing sintering process. The segments are welded on the saw sheet matrix with the diameter being 100 to 2500 mm by a high-frequency or laser welding technology. The ultrathin layer composite saw sheet manufactured by the process has high working efficiency, long life and low energy consumption, and is favorable for saving resources and energy.

Description

technical field [0001] The invention mainly belongs to the field of mechanical processing, utilizes powder metallurgy technology, relies on ultrasonic waves or other high-frequency vibration modes, and uses high-frequency or laser welding methods, and especially relates to a composite saw blade with diamond equidistant positioning and distribution of ultra-thin layers and its manufacturing process. Background technique [0002] There are many materials used in the production of conventional diamond saw blades, and the diamonds are randomly distributed on the saw blades, resulting in the inability of the diamonds to fully perform their functions. When the conventional saw blades are working, they have large cutting resistance, high energy consumption, low efficiency, and poor precision, which limits The normal use of diamond saw blades also limits the scope of use of diamond saw blades and hinders the development of cutting technology. Contents of the invention [0003] The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D61/02B23D65/00B22F5/00B22F7/06C22C1/05C22C19/07C22C26/00C22C30/02C22C30/04
CPCB22F5/00B22F7/06B22F2005/001B23D61/026B23D65/00C22C1/05C22C19/07C22C26/00C22C30/02C22C30/04
Inventor 张绍和孙平贺张昊旸舒彪曹函李建中
Owner CENT SOUTH UNIV
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