WO2006128330A1

WO2006128330A1 - An artifical granitic or marmoreal mechanical fitting and manufacturing method thereof

Info

Publication number: WO2006128330A1
Application number: PCT/CN2005/001306
Authority: WO
Inventors: Wei Zhou
Original assignee: Wei Zhou
Priority date: 2005-05-31
Filing date: 2005-08-22
Publication date: 2006-12-07
Also published as: JP2008542172A; CN1709817A; CN1280223C; KR20080016848A

Abstract

An artifical granitic or marmoreal mechanical fitting and manufacturing method thereof are disclosed. The artifical granitic or marmoreal mechanical fittings is composed of (wt.%) 80%-93% of aggregate and 20%-7% of bonding material and is produced by a process including mixing, filling of mould, densifying etc. Therein, the aggregate is natural granitic or marmoreal grain sized of 0.01-25mm. Vibration damping of the invented mechanical fittings is larger and lower cost than the prior fittings, and the mechanical fittings is widely used.

Description

Artificial granite, marble mechanical parts and preparation method thereof

The invention relates to a non-metallic mechanical accessory, in particular to an artificial granite, a marble mechanical accessory and a preparation method thereof.

Background technique

In the prior art, various processing machine tools and testing equipment are mostly processed from metal materials such as cast iron and steel. As the machining accuracy requirements of the mechanical parts are increased, the operating speed of the machining machine is also greatly improved, so that severe vibrations are generated during the machining. However, the metal material is not strong enough to reduce the vibration due to its own, and can not effectively absorb the vibration generated during the operation of the mother machine. In addition, the thermal expansion coefficient of the metal material is large, which makes the installation and debugging process of the equipment very complicated, and the accessories are Processing accuracy is therefore greatly limited. In addition, the processing of metal mechanical parts still has insufficient energy consumption and pollution environment.

At present, although there are many kinds of technologies that can produce artificial granite or artificial marble materials, they cannot meet the performance requirements of mechanical parts due to physical indexes such as strength and hardness, and can only serve as decorative materials.

Summary of the invention

The technical task of the present invention is to provide artificial granite and marble mechanical parts for the above-mentioned deficiencies of the prior art, and the mechanical parts are made of non-metal composite materials, and increase the performance indexes of the metal parts. Vibration damping and heat resistance of the accessories, and the production cost is much lower.

Another technical task of the present invention is to provide a method of preparing the artificial granite and marble mechanism fittings.

The technical task of the present invention is achieved in the following manner: artificial granite, marble mechanical parts, made of the following weight percentages of raw materials:

Aggregate 80-93% compound 20% - 7%;

The aggregate is natural granite particles or marble particles having a particle size of 0.01-25 mm.

Preferred particle size range of the aggregate and weight percentage group of particles in each particle size range Become:

Particles with a particle size of 8-25 mm: 55 %-60%;

Particles with a particle size of 1-8 mm: 20%-25%;

Stone powder with a particle size of 0.01 - 0.5mm: 15% - 25%.

The rubber may be epoxy or acrylic. The preferred method for preparing the artificial granite and marble mechanical parts of the present invention comprises the following steps:

a. According to the proportion of the formula, the aggregate and the rubber compound are mixed, and the two are mixed and hooked; b. The mold after the mold is placed on the vibration table, and the vibration is compacted for 30-60 minutes; c, 20-40 °C Under the maintenance of 48-60 hours, demoulding will get the mechanical parts block. In addition, in order to improve the performance of the mechanical parts, the raw material also includes a promoter of 1% - 5 % rubber content, and the accelerator is a talcum powder, natural granite powder or natural marble powder with a particle size of 0.01 - 0.5 mm. .

The preparation method comprises the following steps:

a. According to the proportion of the formula, the aggregate, the rubber and the accelerator are measured, and the three are uniformly mixed and then molded.

b. Place the mold after molding on the vibrating table, vibrate and compact for 30-60 minutes; c, maintain at 80-40 °C for 48-60 hours, and release the mechanical parts. The mechanical fitting of the present invention is a non-metallic synthetic mechanical component made of granite or marble as an aggregate, and has the following outstanding advantages compared with the prior art metal mechanical fitting:

(1) Strong vibration damping

Reduce the steps and time for equipment installation and commissioning;

Get the ideal image faster when using optical sensor equipment; provide excellent stability for quick viewing;

The vibration generated during high-speed machining is reduced, which improves the machining accuracy of the workpiece.

(2) Low cost

The second finishing and machining costs can be eliminated;

The amount of expensive structural materials can be correspondingly reduced.

(3) Good heat resistance The expansion coefficient is smaller than that of metal fittings;

The heat resistant gradient is small.

DRAWINGS

Figure 1 : Bar strength test of artificial granite mechanical parts prepared in the first embodiment of the present invention;

Figure 2: Bar strength test chart of steel;

Figure 3: Test chart of bar strength of cast iron;

Figure 4: Bar strength test chart for alumina.

detailed description

The beneficial effects of the mechanical parts of the present invention are further illustrated by the examples and physical property experimental data.

Embodiment 1:

Aggregate: Natural Granite Granules 90kg

Among them, particles with a particle size of 8 - lOmm accounted for 58 %, which was 52.2 kg;

Particles with a particle size of 1 to 2 mm account for 22%, which is 19.8 kg; powders with a particle size of 0.01 to 0.5 mm account for 20%, which is 18 kg.

Compound: Epoxy resin 10kg

Accelerator: 3 % rubber content of talc powder, 10 X3 % = 0.3 kg, particle size 0.01 - 0.5mm

Preparation steps:

a, according to the proportion of the formula to screen the aggregate of the corresponding size, and mix it evenly; b, according to the proportion of the formula to weigh the epoxy resin and the amount of talcum powder; c, the aggregate obtained in steps a, b, After the rubber compound and talcum powder are thoroughly mixed, the mold is placed, placed on a vibrating table and vibrated for 35 minutes. Finally, it can be demolded at 20-30 °C for 48 hours to obtain mechanical parts.

Product physical characteristics are as follows:

Density 2.32g/cm ²

Compressive strength 110—117MPa

Tensile strength 15.2MPa

Bending strength 17.2 MPa

Young's elasticity 35.982MPa Poisson ratio 0.23

Thermal expansion system 16.9X10 ^_6 mm/mm °C

Thermal conductivity 0.24Wcm/°C

Specific heat 0.23-0.26cal/g°C

For the 1.5in.X 1.5in.X9in. bar pressure casting material sample, the vibration damping capacity is tested at 70 degrees Fahrenheit and compared with the test results of steel, cast iron and alumina respectively. 1 is shown in Figure 4. It can be seen that the casting of the present invention has a 45 times faster ability to dampen the movement than alumina and 10 times faster than cast iron and steel.

Embodiment 2:

Aggregate: Natural marble granules 85kg

Among them, particles with a particle size of 10-14 mm account for 56%, which is 47.6 kg;

Particles with a particle size of 2 to 3.5 mm account for 24%, which is 20.4 kg; powders with a particle size of 0.01 to 0.5 mm account for 20%, which is 17 kg.

Compound: Epoxy resin 15kg

Accelerator: 4.5% rubber content of natural marble powder, 15X4.5%=0.675kg, particle size 0.01-0.5mm

Preparation steps:

a. According to the proportion of the formula, the aggregates of the corresponding particle size are screened and mixed and ready for use; b. The epoxy resin and the formula amount of natural marble powder are prepared according to the proportion of the formula;

c. After thoroughly mixing the aggregate, the rubber material obtained in steps a and b, and the natural marble powder as a promoter, the mold is placed, placed on a vibrating table and vibrated for 45 minutes, and finally, cured at 25-35 ° C. The machine parts can be demolded in an hour.

Embodiment 3:

Aggregate: Natural Granite Granules 82kg

Among them, particles with a particle size of 14-24 mm accounted for 59%, which was 48.38 kg;

Particles with a particle size of 4.5-8mm accounted for 23%, which was 18.86kg; powder with a particle size of 0.01-0.5mm accounted for 18%, which was 14.76kg. Compound: Acrylic resin 18kg

Accelerator: 1.5% rubber content of natural granite powder, 18X1.5%=0.27kg, particle size 0.01-0.5mm Preparation steps:

a. According to the proportion of the formula, the aggregates of the corresponding particle size are screened and mixed and ready for use; b. The natural granite powder of the acrylic resin and the formula amount is prepared according to the proportion of the formula;

c. After thoroughly mixing the aggregate, the rubber material obtained in steps a and b, and the natural granite powder as a promoter, the mold is placed, placed on a vibrating table and vibrated for 50 minutes, and finally, cured at 30-40 °C. The machine parts can be demolded in an hour.

Claims

1. Artificial granite and marble mechanical parts, characterized in that it is made of the following raw materials by weight:

Aggregate 80-93% compound 20% - 7%;

Right

2. The artificial granite and marble mechanical component according to claim 1, wherein the aggregate is composed of natural granite or marble particles of the following particle size range: particles having a particle size of 8-25 mm: 55 % - 60% ;

Particles with a particle size of 1-8 mm: 20%-25%;

Stone powder with a particle size of 0.01-0.5 mm: 15% - 25 %.

Book

The artificial granite or marble mechanism fitting according to claim 1, wherein the compound is an epoxy resin or an acrylic resin.

4. A method of making the mechanical assembly of claim 1 comprising the steps of:

a. According to the proportion of the formula, the aggregate and the rubber compound are mixed, and the two are evenly mixed and molded; b. The mold after the mold is placed on the vibration table, and the vibration is compacted for 30-60 minutes; c, 20-40 ° C Maintenance for 48-60 hours, demoulding to get mechanical parts and blocks.

5. The artificial granite and marble mechanical component according to claim 1, wherein the raw material further comprises a promoter of 1% _5% by weight, and the accelerator is talc having a particle size of 0.01-0.5 mm. Powder, natural granite powder or natural marble powder.

6. A method of making the machine assembly of claim 5, characterized in that it comprises the steps of:

b. Place the mold after molding on the vibrating table, vibrate and compact for 30-60 minutes; c, maintain at 80-40 °C for 48-60 hours, and release the mechanical parts.