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Quick cutting alloy material in low copper and machining method

A high-speed cutting technology for alloy materials, applied in the field of alloy materials, can solve problems such as complex rolling process and poor cutting performance of products, and achieve the effects of reducing production passes, grain refinement, and increasing yield

Active Publication Date: 2007-09-12
中铜(上海)铜业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problem that the existing copper alloy materials prepared by the rolling method are relatively complicated, the products are prepared in sections and the cutting performance of the products is not good, and the technology cannot be better applied to the processing of products that require high cutting performance. problem, to provide a copper-based alloy material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Processing low-copper high-speed cutting alloy materials, the technological process is casting→extrusion→drawing→finished product;

[0023] in,

[0024] The material is selected according to the weight percentage, and its chemical composition is 55.0% of copper (Cu), 3% of lead (Pb), 0.35% of iron (Fe) and the balance of zinc (Zn).

[0025] Extrusion temperature 720°C;

[0026] Drawing diameter reduction 0.5mm;

[0027] The drawing speed is 60m / min.

Embodiment 2

[0029] Processing low-copper high-speed cutting alloy materials, the technological process is casting→extrusion→drawing→finished product;

[0030] The material is selected according to the weight percentage, and its chemical composition is 58.0% of copper (Cu), 3.5% of lead (Pb), 0.3% of iron (Fe) and the balance of zinc (Zn).

[0031] Extrusion temperature 750°C;

[0032] Drawing diameter reduction 0.6mm;

[0033] The drawing speed is 60m / min.

Embodiment 3

[0035] Processing low-copper high-speed cutting alloy materials, the technological process is casting→extrusion→drawing→finished product;

[0036] The material is selected according to the weight percentage, and its chemical composition is 58.0% of copper (Cu), 2.5% of lead (Pb), 0.1% of iron (Fe) and the balance of zinc (Zn).

[0037] Extrusion temperature 750°C;

[0038] Drawing diameter reduction 0.5mm;

[0039] The drawing speed is 60m / min.

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Abstract

A low-Cu alloy able to be cut at high speed contains Cu (55.0-58.0 wt.%), Pb (2.5-3.5), Fe (0-0.35) and Zn (rest). Its preparing process includes smelting, casting, rolling at 720-750 deg.C and drawing at 60 m / min. Its advantages are compact structure, fine and ordered crystal grains and high machining performance.

Description

Technical field: [0001] The alloy material of the present invention is especially an alloy material mainly composed of copper material. Background technique: [0002] Chinese Invention Specification (CN1080768C) discloses a copper alloy and a production method thereof. A copper-based alloy mainly composed of about 0.1-1.5% (weight) of tin, about 0.01-0.35% (weight) of phosphorus, about 0.01-0.8% (weight) of iron, about 1.0-15% (weight) of zinc and The balance being substantially copper, the alloy contains phosphide particles uniformly distributed throughout the matrix, the phosphide particles having a finer component of phosphide particles and a coarser component, the finer component of phosphorus The particle size of the compound particles is 0.075-0.5μ. The preparation method is to homogenize the above-mentioned raw materials at a temperature of 537.8-787.8°C at least once, each time for at least one hour; rolling to the final size, and intermediate annealing at a temper...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C9/04
Inventor 姜功正忻华国
Owner 中铜(上海)铜业有限公司
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