Standard of the Chromium Alloy Cast Grinding Balls in Building Materials Industry (7)

A.1 Under the following normal operating conditions, the ball broken rate and wear rate of the ball mill running for 2000h and 3000h are shown in Table A. 1.

Screw rolling steel balls production line

Dia25mm – 40mm screw rolling steel grinding balls production line is used to produce steel balls 25mm, 30mm, 35mm and 40mm with different composition. The surface hardness of the produced balls can achieve over 60 degrees. Widely used in mines, power station and construction industry. Produced steel balls has no de-shaped, no chamfer, and good […]

automatic casting grinding steel ball production line molding line

Grinding balls manufacturing process

The grinding ball is a grinding medium used in ball mill and material used in grinding mills, widely used in metallurgical mines, cement building materials, thermal power generation, flue gas desulfurization, magnetic materials, chemical industry, coal water slurry, pellet, slag, ultrafine powder, fly ash, calcium carbonate, quartz sand, and other industries ball mill. But how […]

Grinding Media Making Machine

Grinding media making machine is the full automatic machine which is producing cast alloyed grinding balls. The whole set of the balls making machine consists of molding part and pouring system. The molding line is controlled by the PLC program which can monitor the working condition and find out the faulty quickly.It can manufacturer the […]

grinding balls casting line

Hexin type grinding balls casting line

Ningguo Hexin company is specialized in grinding media balls equipment , such as casting grinding media casting line, heat treatment machine, balls separating machine etc. Has exported to Zimbabwe, South Africa, Congo, Vietnam, Mongolia etc. The professional technical team has over 20 years working experience and now has installed over 150 sets of the balls […]

Standard of the Chromium Alloy Cast Grinding Balls in Building Materials Industry (6)

7.1 The ball shall be inspected by the quality inspection department of the manufacturer. 7.2 Inspection classification: inspection is divided into factory inspection and type inspection. 7.3 The inspection items are diameter deviation (1), shape deviation(5.2), chemical composition (5.3), surface hardness (5.4.1), appearance quality (5.7.1,5.7.2).

Standard of the Chromium Alloy Cast Grinding Balls in Building Materials Industry (5)

6.1 For the provisions of 5.1, 5.2 and 5.7.2, the measuring instrument with a precision not less than 0.1mm shall be used for the measurement, and the parts where surface defects may cause measurement errors shall be avoided during the measurement.

Standard of the Chromium Alloy Cast Grinding Balls in Building Materials Industry (4)

5.1 The deviate diameter of the casting grinding balls should be accord to the requirements of the Table 1. 5.2 The shape deviation of the cast grinding ball shall be less than or equal to the diameter deviation of the cast grinding ball of the same size