Grinding media manufacturing

Features:

Manufacturing Process:Hot rolling

Material Heated:65MN 60MN 70Cr2 B2 B3 40cr 45#

Steel Ball Diameter: Φ20-150mm

Length Allow:Not limited

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Product Name:Grinding media manufacturing machine

Typical Application:

Hot rolled grinding media is a latest grinding media rolling technology, it is the technical breakthrough of grinding media milling manufacturing process, and it is replacement of casting steel ball gradually. Grinding media hot rolling mill is a high production rate steel ball making machine

Forever designs the Grinding media manufacturing machine is fully automatic production line, upto the latest levels of hot-rolled steel ball production. Forever designs and manufactures series grinding media hot rolling production line, including 20, 30, 40, 50, 60, 80, 100, 120,150 etc complete size of steel balls miller lines, can produce φ 20 ~ 150 mm different size steel balls.

hot rolled steel balls manufacturing

Model	Unit	φ 20	φ 30	φ 40	φ 50	φ 60	φ 80	φ 100	φ 120
Steel ball diameter	mm	15-20	20-30	30-40	35-50	40-60	60-80	70-100	80-120
Roller diameter	mm	170	220	260	300	340	450	600	690
Roller angle range	o	0-5	0-6	0-6	0-8	0-6	0-8	0-7	0-7
Productivity	pcs/m	120	102	90	72	72	64	50	40
Motor power	Kw	30	40	80	130	185	450	650	1000

Advantages of grinding media manufacturing machine

Main body is with good rigidity.
Adjust is easy.
Locking is solid, high stability.
Easy to change guide plate.
Production is compete automation, high production efficiency,large output.
Low energy consumption, no pollution.

Process description

1)Billet preparation:

All ball billet for 6 m hot rolled bar.
According to the size and type of storage in different storage rack.
Define a unique batch number for each batch.
Sampling inspection for each batch of stock.
According to the chemical composition of the test blank, as well as the steel ball hardness requirements.

2)Heating(induction heating equipment):

Blank lifted by crane to the loading platform, the feed rollers automatically feed into the intermediate frequency furnace heated to the desired temperature rolling

3)Rolling

According to the material composition and the hardness of steel ball, the rolling temperature is established, and the average rolling temperature is about 1000~1100 ℃. The reddest of steel bars through the roller automatically sent to the ball mill, in two with special helical hole between the rolls rotate and move forward, and is continuously rolled into a ball.

4)Cooling

Eligible ball rolled into the cooling conveyor

5)Hardening:

After the ball through the conveyor naturally cooled to a temperature suitable to the Ball separator, go screw quenching quenching tank. Its speed can be adjusted manually via the inverter.

6) Tempering

After the completion of the steel ball, into the heat preservation barrel to temper.

7) Cooling platform

After the steel ball is tempered, the cooling platform is entered

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