MG750 Longwall Coal Shearer

Other Names:longwall shearer; longwall coal shearers; coal shearers

Product Introduction

1. Total machine is much motor drive ,transversal arrangement , draw structure , mainframe is three section cast weld construction .

2. Ac frequency conversion stepless speed regulation ; Pin rail style no chain traction ,constant power automatic speed control .

3. all shearer bearing are Sweden SKF series products.

4. the machine has the operation parameter display and alarm function

5. The coal mining machine has fault diagnosis, treatment, automatic memory storage, transmission and microcomputer control function.

Technical Parameters

Production capacity	2500t/h
Coal hardness	F≤4
Cutting height	2.5-5m
Drum diameter	2.5m
Drum cutting depth	0.865m
Drum speed	26.4r/min
Total power	1805kW
Traction mode of speed control	Ac frequency conversion stepless speed regulation ; Pin rail style no chain traction
Hauling speed	0~10.4~24.58m/min
Traction	963~ 403 kN
Machine surface height	1995mm
Coal height	800mm
Max dinting	600mm
Coal seam inclination	0~25°
Working face inclination	0-16°
Supply  voltage	3300v
Supply frequency	50HZ
Cutting motor power	750kw x 2
Traction motor power	90kw x 2
Pump station power	35kw
Broken motor power	160kw
Rocker arm rotary center distance	9095mm
Traction center distance	7315mm
Drum center distance when rock arm level	14933mm
Spray mode	Internal and external spray
Start early warning function
Single largest size	4x2x1.7m
Machine weight	95t