TOYO Grinding Ball Co.,LTD

Toyo Grinding Ball Wear & Heat resistant parts Engeneering Support

The World No.1 Least Wear Rate High Chrome Cast Grinding Ball Supplier
&
The PREFERRED global grinding media supplier for LAFARGE, HOLCIM, Italcementi, Taiheiyou and Cimpor.

 

Shinichi Kasuga, president of TOYO Grinding Ball Co.Ltd., Japan in first chamber of cement mill at SPCC Saudi Arabia to confirm The World No.1 record of 6.11ｇ/ton of wear rate on Jan. 26, 2000.


Mill Internals, TOYO delivered 8 sets of raw mill and cement mill liners, Diaphragms and balls to Saudi Arabia, total 5000tons in 2006.

Who is TOYO ?
  1. The No.1 High Chrome Grinding Ball manufacturer supplying for all the Japanese cement and mining plants.

  2. The PREFERRED Global supplier for LAFARGE, HOLCIM, ITALCEMENTI, TAIHEIYOU, CIMPOR and many cement and　mining companies in North and South America, Europe, Africa, Middle East and Asian & Oceania countries.

  3. The least wear rate high chrome grinding ball manufacturer in the world.
    • 5.11g/ton at 1st. chamber of cement mill at Ash Grove Chanute, USA through the complete full charge on Jan.19, 2004
      3,500-3,600 blaine, 1st chamber : 85tons, 2nd chamber : 244tons, Total 9tons (5900KW ball mill, 5m dia x 14.5m length) (World Record)
    • 6.11g/ton at 1st. chamber of cement mill at SPCC Bisha, Saudi Arabia through the complete full charge
    • 7.93g/ton at 1st. chamber of cement mill at Lafarge Seattle, USA through the complete full charge

  4. Proven wear rate results in many customers plants, such as
    a) 8.6g/ton at 1st. chamber and 7.18g/ton at 2nd. chamber of cement mill at PT Semen Gresik (Persero) Tbk. in Indonesia.
    b) 8.49g/ton wear rate at cement mill at St.Marys Cement in Canada.
    c) 12.64g/ton wear rate at cement mill at Holcim Midlothian in USA.

  5. The only high chrome grinding ball manufacturer in the world to use automatic metal molding line to produce world No.1 least wear rate ball.
TOYO Company Profile
TOYO GRINDING BALL (MAANSHAN) CO.,LTD.
Address: 1 Qinjian Road Maanshan Anhui, 243024 P.R.China Tel/Fax: Tel : +86 555 2813536, Fax : +86 555 2811489 e-mail: ymuto@toyo-gb.com Established: Mar. 1995 Capital: US$8.00 million Chairman: Shinichi Kasuga (President of TOYO Japan) Owned & operated by: Toyo Japan Sales: Export 80%, Domestic 20% Plant Area: 21,474 m2 Quality Control: ISO 9001:2000　dated Jan.26, 2006

TOYO GRINDING BALL CO., LTD.
Address: Toyo Bldg. 1-2-4, Koishikawa,Bunkyo-ku, Tokyo 112-0002 Japan Tel/Fax: Tel : +81 3 3815-5861, Fax : +81 3 3811-9238 e-mail: ymuto@toyo-gb.com , hiroyuki@toyo-gb.com Established: Nov. 1937 Capital: 60 million J.Yen (US$570,000.-) Products: Grinding Media
  Wear & Heat resistant parts Owned & operated by: Toyo Japan President: Shinichi Kasuga
TOYO Group

The World No.1 Least Wear Rate High Chrome Cast Grinding Ball Supplier

European Office: TOYO Grinding ball Representative Office
c/o ISHIDA International sarl
11 rue de Chavril 69110 Sainte-Foy-les-Lyon, FRANCE
TEL : +33 (0) 4 72 40 02 77 FAX : +33 (0) 4 72 41 77 10
e-mail : toyo@ishida.fr

North American Office: TOYO NORTH AMERICA
509 Langefield Northville,MI 48167
TEL/FAX : 248-344-7451
e-mail : vitales@earthlink.net

Head Office: Toyo Bldg. 1-2-4, Koishikawa,
Bunkyo-ku, Tokyo, Japan
TEL : +81 3-3815-5861 FAX:+81 3-3811-9238
URL : http://www.toyo-gb.com
e-mail : ymuto@toyo-gb.com , hiroyuki@toyo-gb.com

 
Grinding Ball
Casting & Heat Treatment Process
Quality Inspection

Products & Use
Products Cr(%) Hardness(HRc) Industry Size(mm)
UR 26-29 ≧60 Mining 15-90
ER 19-22 ≧60 Mining ・ Cement 15-90
SR 15-18 ≧58 Mining ・ Chemical ・ Silica ・ Cement 15-100
RDH 10-13 ≧58 Mining ・ Chemical ・ Silica ・ Cement 15-90
RD 10-13 ≧50 Mining ・ Chemical ・ Silica ・ Coal 30-100
D 1-3 ≧48 Mining ・ Chemical ・ Silica ・ Cement ・ Aggregate 25-100
ST <1 ≧55 Mining ・ Chemical ・ Silica ・ Cement ・ Aggregate 20-120

TOYO metal mold casting makes structure finer and more uniform which makes TOYO balls the best quality.

  1. TOYO Hi Chrome Balls are produced by Metal mold.
  2. Competitor’s high Cr. Balls are produced by sand mold.
  3. Metal mold cools down smelted metal faster than sand mold.
  4. The faster cooling speed makes structure finer and more uniform.
  5. This and TOYO special heart treatment technology makes TOYO Hi Chrome Balls the least wear and the best quality.
Microscopic Structure

TOYO High Chrome Ball (90φ）

Strong Surface
Strong Structure
Strong Core
Strong Ball

Competitor's high Cr Ball(90φ）

Weak and Cosmetic Surface
Weak Structure
Weak Core
Weak Ball


※Black Area : Marten site base (Equiv.HRC60～66)
White Area : Eutectic Cr carbide (Cr,Fe)7C3(Equiv.HRC70～75)

 
W & H resistant
TOYO Wear & Heat Resistant Parts
Wear Resistant parts

TOYO is focused to improve the production efficiency in customer plant. We are able to offer you the most suitable materials and realize improvement of your satisfaction by TOYO original heat treatment technologies.

Heat Resistant parts

TOYO is developing significant innovations in the field of Heat Resistant parts. We are able to suggest you TOYO products which is suitable for your operating condition and realize long life of TOYO products.

Chemical Compositions


Engineering Support

TOYO is reserving reliable engineering solutions for the optimization of raw/cement mills. We serve you mill and flow for your increasing production volume and efficiency.

Free engineering support by e-mail communication for TOYO customers.
Grinding web consulting:

  • Ball charges calculations
  • Technical data analysis
  • Improvement proposal report For more detail,
please contact to TOYO and TOYO representative or e-mail to Yoshio Muto.
ymuto@toyo-gb.com