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Ceramic grinding tool manufacturing method

An abrasive tool and ceramic technology, applied in grinding/polishing equipment, abrasives, grinding devices, etc., can solve the problems of high consumption of dressing tools, low dressing efficiency, and small consumption of dressing tools.

Active Publication Date: 2014-03-12
如东文园投资开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of fast consumption of dressing tools and low dressing efficiency when the existing ceramic abrasives are trimmed, and to provide a preparation method for ceramic abrasives with high production efficiency and low consumption of dressing tools

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Φ15 mm×10 mm to open a chip flute with a depth of 7 mm and a width of 1 mm. The processing method of the ceramic abrasive tool is as follows:

[0017] (1) Use 200 grams of low melting point glass powder and 5 grams of kaolin as binder, 450 grams of cubic boron nitride as abrasive, 250 grams of white corundum as filling material, 10 grams of dextrin powder and 50 grams of deionized water as additives, mix Ingredients;

[0018] (2) Press the ingredients into a Φ15 mm×10 mm green mold;

[0019] (3) Dry the green mold body at 110°C;

[0020] (4) Press the ingredients into a Φ15 mm×10 mm green mold body, put it in an oven, heat it to 873.15K (600°C) and burn it for 2 hours, 200 pieces of mold green bodies each time;

[0021] (5) Open a chip removal groove with a depth of 7mm and a width of 1mm along the diameter direction of the Φ15 mm×10 mm abrasive tool surface after the initial heat curing, and each piece takes 2 minutes;

[0022] (6) Put it in an oven and heat it to t...

Embodiment 1

[0024] Processing Φ15 mm × 10 mm to open a chip flute ceramic abrasive tool with a depth of 7 mm and a width of 1 mm Comparative Example 1 The processing method is as follows:

[0025] (1) 200 grams of low-melting point glass powder is used as a binder, 450 grams of cubic boron nitride is used as an abrasive, 250 grams of white corundum is used as a filling material, 10 grams of dextrin powder and 50 grams of deionized water are used as additives, and the ingredients are mixed;

[0026] (2) Press the ingredients into a Φ15 mm×10 mm green mold;

[0027] (3) Dry the green mold body at 110°C;

[0028] (4) The ingredients are pressed into Φ15 mm×10 mm green mold bodies, fired at the final firing temperature of 1093.15K (820°C) for 3 hours, and 200 pieces of green mold bodies are fired each time;

[0029] (5) Cut a chip removal groove with a depth of 7 mm and a width of 1 mm with a saw blade along the diameter direction of the fired Φ15 mm×10 mm abrasive tool, and each piece takes...

Embodiment 2

[0033] The processing method of 10mm×5mm×5mm ceramic abrasive tool is as follows:

[0034] (1) 200 grams of low-melting point glass powder is used as a binder, 50 grams of artificial diamond powder is used as an abrasive, 650 grams of white corundum is used as a filling material, 10 grams of dextrin powder and 50 grams of deionized water are used as additives, and the ingredients are mixed;

[0035] (2) Press the ingredients into a 100mm×5mm×5mm green mold,

[0036] (3) Dry the 100mm×5mm×5mm green mold in an oven at 110°C;

[0037] (4) Burn the dried 100mm×5mm×5mm green molds at 883.15 K (610°C) for 3 hours for the first time, and burn 20 green molds each time;

[0038] (5) Cut the 100mm × 5mm × 5mm abrasive tool after the initial firing into a 10mm × 5mm × 5mm initial fired ceramic abrasive tool with a saw blade, and each piece takes 2 minutes;

[0039] (6) Fire the first-fired ceramic abrasive tools of 10mm×5mm×5mm at the final firing temperature of 1043.15K (770°C) for 3 ...

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Abstract

The invention discloses a ceramic grinding tool manufacturing method. The ceramic grinding tool manufacturing method comprises the following steps: adding a grinding material, a filling material and an additive material to an inorganic adhesive serving as a binding agent, mixing, forming, drying, sequentially carrying out primary sintering, after-trimming and secondary sintering, inspecting, and packaging for later use. As the sintering Kelvin temperature is only 60%-90% of the final curing Kelvin temperature during primary sintering, after primary sintering, although a grinding tool has certain mechanical strength, the mechanical strength is low, thus the after-trimming is facilitated; and after the after-trimming reaches the specified requirements, the secondary sintering is carried out at the sintering temperature which is the final temperature, so that a ceramic grinding tool reaches the final required performances. The ceramic grinding tool manufacturing method is used for machining the ceramic grinding tool; and although one-time curing is replaced by two-times curing and working procedures are complicated, as the ceramic grinding tool has low mechanical strength during after-trimming, the trimming efficiency is high, a trimming tool is low in consumption, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of abrasive tool manufacture, in particular to a method for preparing a ceramic abrasive tool. Background technique [0002] Ceramic abrasives are also called vitrified bonded abrasives, vitrified bonded abrasives, resin bonded abrasives, rubber bonded abrasives and other abrasives are collectively referred to as bonded abrasives. Compared with other binders, although ceramic abrasive tools have disadvantages such as long production cycle and high brittleness, they have good chemical stability, heat resistance, water resistance, oil resistance, acid resistance, alkali resistance, and high strength. , less wear, better self-sharpening, more air holes in the abrasive tool, which is conducive to chip removal and heat dissipation, and a series of advantages such as lower raw material cost of the binder, so it can adapt to rough grinding under various coolant conditions. Fine grinding, a wide range of applicatio...

Claims

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Application Information

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IPC IPC(8): B24D3/14B24D18/00
Inventor 句红兵马忠云杨俊宏马杰王文杰洪洁
Owner 如东文园投资开发有限公司
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