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HF-3 core drilling machine, 1.drilling depth:100 to 600m, 2.drilling diameter:300-75mm, 3.hydraulic ,trailer mounted - details see: https://www.machineto.com/hot-selling-in-latin-america-hf-3-core-drilling-machine-for-spt-test-10313433

HF-3 core drilling machine for SPT Test

1.hydraulic machine.easy to operate.

2.strong torque,high drilling efficiency

3.trailer or crawler type

4.Hydraulic foot clamp

Specifications

Drilling depth	m	300-600
Open hole caliber	mm	300
End hole caliber	mm	75
Drilling rod	mm	Φ60
Drilling angle		90°-65°
Spindle
Spindle forward speed	r/min	57-1024
Spindle reverse speed	r/min	45-212
Spindle stroke	mm	560
Spindle inner diameter	mm	96
Spindle lifting capacity	KG	6000
Hoist
Single line lifting speed	m/s	0.515 0.894 1.421 1.948
Hug floodgate belt width	mm	90
Tightrope caliber	mm	12.5 or 14
Hoist single line lifting capacity	KG	3000
Reel caliber	mm	200
Reel cubic measure	m	30
Mud pump
Horizontal double actuator
Displacement	L/min	200,125
Triangle conveyer belt type		B×5
Work pressure	Mpa	4.6
Water inlet caliber	mm	65
Water to exit caliber	mm	37
Oil pump
Duplex gear oil pump F532/F314
Front displacement,pressure		32L/min 20Mpa
Behind displacement,pressure		14L/min 20Mpa
Drilling rig Power
Diesel engine	Hp	395Kz 27HP
Electric motor	KW	Y180L-4 22KW