CN1515383A

CN1515383A - Steel ball grinding abrasive wheel binder and its production method

Info

Publication number: CN1515383A
Application number: CNA031528244A
Authority: CN
Inventors: 丁辛喜
Original assignee: DONGFANG GRINDING WHEEL FACTORY YANGZHOU CITY
Current assignee: DONGFANG GRINDING WHEEL FACTORY YANGZHOU CITY
Priority date: 2003-08-20
Filing date: 2003-08-20
Publication date: 2004-07-28

Abstract

The present invention belongs to the field of ball-grinding abrasive-disk anchoring agent technology. Its effective chemical components are: (wt%) silicon oxide 56.1%-60.3%, aluminium oxide 23.5%-26.7%, iron oxide less than 1.0%, calcium oxide less than 0.5%, potassium oxide+sodium oxide 7.0%-9.0%, boron oxide, 1.46%-2.20% and manganese oxide 3.25%-5.2%. The production method of said anchoring agent includes the following steps: respectively weighing clay, feldspar, boron glass and metal oxide, mixing them, pulverizing and sieving by means of 240-mesh sieve. The anchoring agent has high heat resistance and wear resistance.

Description

A kind of abrasive wheel for abrasion of steel ball bond and production method thereof

Technical field

The invention belongs to abrasive wheel for abrasion of steel ball bond technical field.

Background technology

Existing abrasive wheel for abrasion of steel ball bond is made up of clay-feldspar-boron glass, owing to adopt greatly in conjunction with dosage, the big high briquetting pressure of compact density etc. are in the hope of high volume density, and emery wheel easily cracks, aliquation, and percent defective is higher.

Summary of the invention

The object of the invention is to provide a kind of hear resistance height, and wearability is good, in roasting process with the high abrasive wheel for abrasion of steel ball bond of yield rate.

Abrasive wheel for abrasion of steel ball bond of the present invention, effectively chemical analysis is: silica 56.1%～60.3%, aluminium oxide 23.5%～26.7%, iron oxide＜1.0%, calcium oxide＜0.5%, potassium oxide+sodium oxide molybdena 7.0%～9.0%, boron oxide 1.46%～2.20%, manganese oxide 3.25%～5.2%.

The present invention makes bond hear resistance height owing to add metal oxide, particularly manganese oxide, and wearability is good, can improve product percent of pass 16～18%, cuts down the consumption of energy 30%～36%.

The present invention also provides a kind of method of producing bond: take by weighing clay, feldspar, boron glass, metal oxide respectively, mix, pulverize, sieve by 240 eye mesh screens.

20～40% of described clay comprises total amount; Feldspar accounts for 45～60% of total amount; Boron glass accounts for 5～20% of total amount; Metal oxide accounts for 5～20% of total amount.

The Main Ingredients and Appearance of clay is Al ₂O ₃2SiO ₂2H ₂O; The Main Ingredients and Appearance of feldspar is K ₂OAl ₂O ₃6SiO ₂The Main Ingredients and Appearance of boron glass is NaB ₄O ₇10H ₂O; Metal oxide is MnO ₂

Magnetic thing＜0.15% of bond of the present invention, 1260～1320 ℃ of refractoriness, plasticity 〉=50 second, free moisture content＜0.1%.

Description of drawings

Accompanying drawing is a process chart of the present invention.

Specific embodiment

Get the raw materials ready:

Al is produced in Suzhou, clay Jiangsu ₂O ₃2SiO ₂2H ₂O

The feldspar yueyang, hunan produces K ₂OAl ₂O ₃6SiO ₂

Boron glass borax glass NaB ₄O ₇10H ₂O;

Metal oxide MnO ₂

The preparation method of abrasive wheel for abrasion of steel ball bond of the present invention is by the weighing of component proportioning with clay powder, feldspar powder, boron glass powder and oxidate powder, relative error is no more than 0.5%, mix through the double helix conical mixer, greater than 99.5%, being coarser than 80 purpose each component particles is 0 by 240 eye mesh screens.

Check: measure refractoriness, granularmetric composition, the uniformity for every batch, the selective examination chemical analysis is checked water content before going into operation.

Claims

1, a kind of bond of abrasive wheel for abrasion of steel ball, it is characterized in that its effective chemical analysis (percentage by weight) is: silica 56.1%～60.3%, aluminium oxide 23.5%～26.7%, iron oxide＜1.0%, calcium oxide＜0.5%, potassium oxide+sodium oxide molybdena 7.0%～9.0%, boron oxide 1.46%～2.20%, manganese oxide 3.25%～5.2%.

2, the production method of bond according to claim 1 is characterized in that taking by weighing respectively clay, feldspar, boron glass, metal oxide, mixes, and pulverizes, and sieves by 240 eye mesh screens.

3, the production method of bond according to claim 2 is characterized in that 20～40% of described clay comprises total amount; Feldspar accounts for 45～60% of total amount; Boron glass accounts for 5～20% of total amount; Metal oxide accounts for 5～20% of total amount.

4, the production method of bond according to claim 3, the main composition that it is characterized in that clay is Al ₂O ₃2SiO ₂2H ₂O.

5, the production method of bond according to claim 3, the main composition that it is characterized in that feldspar is K ₂OAl ₂O ₃6SiO ₂

6, the production method of bond according to claim 3, the main composition that it is characterized in that boron glass is NaB ₄O ₇10H ₂O.

7, the production method of bond according to claim 3 is characterized in that metal oxide is MnO ₂