Method for manufacturing soft elastic abrasive, cutting tool and treatment method for mold

A manufacturing method and cutting tool technology, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of short cutting distance, high spray pressure, etc., and achieve the effects of increased spray distance, reduced loss, good removal ability and polishing effect Effect

Active Publication Date: 2019-10-29
深圳市鑫意晟科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when using this kind of abrasive to process cutting tools, in order to ensure sufficient passivation, the requirements for cutting angle are relatively high, and the cutting distance is required to be short, and a large injection pressure is required.

Method used

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  • Method for manufacturing soft elastic abrasive, cutting tool and treatment method for mold
  • Method for manufacturing soft elastic abrasive, cutting tool and treatment method for mold
  • Method for manufacturing soft elastic abrasive, cutting tool and treatment method for mold

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Experimental program
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Effect test

Embodiment 1

[0062] See attached figure 1 to attach image 3 , The invention discloses a method for manufacturing a soft elastic abrasive, comprising the following steps.

[0063] S1. Add the powder filling medium into the molten fluid or liquid soft elastic base material, the volume ratio of the filling medium to the soft elastic base material is less than or equal to 3:10.

[0064] Wherein, the Shore hardness of the soft elastic substrate is less than or equal to 60HA, and the density is 0.6-1.6g / cm 3 , The permanent deformation rate is less than 30%. In addition, the soft elastic base material is preferably a material with the properties of natural recovery deformation within 3 minutes and elongation at break between 100% and 2000%, and the soft elastic base material with this property has good elasticity, which is convenient It is the elastic deformation of the abrasive body.

[0065] The soft elastic base material can use polymer synthetic material or natural material satisfying t...

Embodiment 1

[0096] The preparation method of soft elastic abrasive is as follows:

[0097] A1: Add copper powder into molten fluid or liquid isoprene rubber, where the volume ratio of copper powder to isoprene rubber is 13:87.

[0098] Among them, the density of copper powder is 8.9g / cm 3 , the particle size is 0.5μm; the density of isoprene rubber is 0.94g / cm 3 , the hardness is Shore A 40, and the permanent deformation rate is 10%.

[0099] B1: Stir the copper powder and isoprene rubber evenly, and make the uniformly stirred mixture into a soft carrier with a particle size of 0.6mm, and the density of the prepared soft carrier is 2.5g / cm 3 .

[0100] C1: Hard abrasive grains are adhered to the surface of the soft carrier to form soft elastic abrasives. The composition of the hard abrasive grains is 70% diamond and 30% SiC. The grain size of the hard abrasive grains is The size is 1 μm, and the thickness of the hard abrasive particles attached to the surface of the soft elastic abras...

Embodiment 2

[0102] A2: Add copper powder into molten fluid or liquid isoprene rubber, where the volume ratio of copper powder to isoprene rubber is 23:77.

[0103] Among them, the density of copper powder is 8.9g / cm 3 , the particle size is 0.5μm; the density of isoprene rubber is 0.94g / cm 3 , the hardness is Shore A 40, and the permanent deformation rate is 10%.

[0104] B2: Stir the copper powder and isoprene rubber evenly, and make the uniformly stirred mixture into a soft carrier with a particle size of 1mm, and the density of the prepared soft carrier is 2.8 / cm 3 .

[0105] C2: Hard abrasive grains are adhered to the surface of the soft carrier to form a soft elastic abrasive. The composition of the hard abrasive grains is 70% diamond and 30% SiC. The particle size of the hard abrasive grains is The size is 1 μm, and the thickness of the hard abrasive particles attached to the surface of the soft elastic abrasive is 15 μm.

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Abstract

The invention discloses a method for manufacturing a soft elastic abrasive. The method comprises: adding a powdery filling medium into a molten fluid or a liquid soft elastic substrate, wherein the filling medium has a particle size of 50 [mu]m or below and a density of 3.5 g / cm<3> or above, and the soft elastic substrate has a Shore hardness of 60HA or below; uniformly mixing the filling medium with the soft elastic substrate under stirring, and preparing a granular soft carrier from the uniformly mixed mixture, wherein the soft carrier has a particle size of 0.05-5 mm and a density of 2.0 g / cm<3> or above; and adhering hard abrasive grains onto the surface of the soft carrier to form the soft elastic abrasive, wherein the size of the hard abrasive grains is in a range of 0.25-10 [mu]m. The invention also discloses a cutting tool and a treatment method for a mold. The soft elastic abrasive of the invention can simultaneous realize passivation and polishing of a surface to be treated;and the soft elastic abrasive of the invention is reduced in requirements on ejection during surface treatment.

Description

technical field [0001] The invention relates to the technical field of surface treatment methods, in particular to a method for manufacturing soft elastic abrasives, a method for treating the surface of cutting tools with soft elastic abrasives processed by the method for manufacturing soft elastic abrasives, and processing with the method for manufacturing soft elastic abrasives The method of treating the surface of the mold with soft elastic abrasives. Background technique [0002] At present, the commonly used tool processing technologies at home and abroad include nylon brush passivation, stirring passivation, magnetic powder suspension passivation and wet sandblasting. Among them, the passivation amount and repeatability of the nylon brush passivation process are not easy to control, and for complex 3D surface workpieces, especially knives, it is difficult to handle grooves, depressions and narrow parts in place. Uniform passivation cannot be achieved at each position;...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K3/14B24C1/08B24C1/02
CPCC09K3/1436B24C1/08B24C1/02
Inventor 罗婷
Owner 深圳市鑫意晟科技有限公司
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