MTM Series Trapezium Mill (600-45μm)

Raymond mill is ever one classic powder grinding machine in the past. And most of modern mill are from it and MTM series milling machine is the most successful one. It optimized the inner structure and lots of core devices. Such as, the new supercharging device can greatly increase production capacity. And separated ploughs are easy to be replaced, both the spare parts cost and breakdown time are obviously reduced. According to hundreds of customers’ feedback, the MTM series grinding mills are quite good at produce 60-325mesh powders. Through word-of-mouth, this milling machine is quite hot in many countries.


Technical Advantages

Cost advantage

After the grinding roller and rings are worn to a certain degree, by adjusting the length of the compression spring, can a constant grinding pressure be maintained between the grinding roller and the grinding rings, which increases the utilization rate of the roller ring, saves the material costs and the production is kept stable.

Creative grinding roller and ring

The grinding roller assemblies are connected by means of the horizontal tie rods and springs, with the radial force applied to protect the main shaft and bearings against the impact from large-sized materials in the grinding chamber, so as to prolong the service life of the equipment. The combined action of the high-pressure spring and centrifugal force ensures a tight contact between the grinding roller and ring. The rolling force is 1.2 times higher than that of the Raymond mills in the same conditions, so the capacity is greatly improved.

High efficient balancing and pressurizing spring

The main mill and powder classifier are combined by braid connection. The damping springs and sealing tapes are used to reduce the vibration and noise and also avoid resonance.

Environmental protection

A variety of de-dusting equipments are available, with the emission standard higher than the national standard.

Working principle

The host drives the central shaft running (Fig. 3) by the gear box. The upper end of the shaft is connected with a wobbler spindle and the grinding roller is suspended under the wobble spindle by a cross arm shaft and forms a swinging point. The grinding roller runs along with the central shaft of the whole machine, and also rotates by friction with the grinding ring. A perching knife system is installed under the wobble spindle and feeds the material into the gap between the grinding roller and ring for pressing and grinding with the grinding roller during rotation. (Fig. 5) Air flow will bring minor powder into the powder concentrator upon entry into the grinding gravity from the bottom of the grinding ring. Coarse materials fall down and are reground; and fine powder goes into the powder collector along with the air flow and is discharged as the finished product through the powder discharge tube.

Case

Main specification

Model MTM100 MTM130 MTM160
Ring major diameter x height(mm) Φ310X170 Φ410X210 Φ440X270
Ring inner diameter x height(mm) Φ950X170 Φ1280X210 Φ1600X270
Max.feed size(mm) <25 <30 <35
Fineness of finished products(mm) 1.6-0.045
Finest up to 0.038
1.6-0.045
Finest up to 0.038
1.6-0.045
Finest up to 0.038
Capacity(t/h) 3-8 6-11 9-22
Main motor Power(kw) 37 75 132
Blower motor Power(kw) 37 75 132
Classifier motor Power(kw) 5.5/td> 7.5 18.5
Optional electromagnetic vibrating feeder Model GZ2F GZ3F GZ3F
Power(kw) 0.15 0.2 0.2
NOTE: The above parameters are for reference only; for more configurations, please consult our sales staff.

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