The Gopher Drilling Machine,drilling machines,drills,weldgrip,drilling,drill

Gound Stabalisation solutions for the civil engineering and mining industries - Strapline

- Machinery

- Universal Grout System
- AM1000-1 Thixotropic Grout
- Grout Pump Systems
- Turmag Drilling Machine
- Gopher Drilling Machine

- Reinforcement

- Self Drilling Steel Anchor System
- Composite Self Drilling Soil Nails
- Gripforce® Composite Soil Nails & Rockbolts
- FT500 Fully Threaded Composite Bar & Tube
- ATB700 Fully Threaded Bar & AT Rockbolts

- Ancillaries

- Drill Bits
- Drill Steels

- Mesh Products

- Double Twisted Hexagonal PVC Coated Mesh
- Gabions & Mattresses

- Dawlish Cliff Stabilisation
- Ramsden Bellhouse & Kent Hill
- Flood Risk Management
- Boness Embankment Stabalisation
- A259 Road Stabilization
- Doveholes Stabilisation
- Kingsand Sea Defence
- Lancaster Canal
- Coalfields Link
- Whitehaven Harbour
- Blaston Hollow
- A638 Rocknetting
- Chatham Dock
- Tondu Iron Works
- Brokenberry Quarry
- A5 - North Wales
- The Sidmouth Cliffs
- Conway Castle
- Glenholt Tunnel
- Athens Metro
- The Bradway Tunnel
- PorthKerry Tunnels
- Conisbrough Tunnel
- Face Salvage
- Mesh Cage System

The Weldgrip "Gopher" Drilling Machine

The Gopher drilling machine is marketed in the UK and Europe by Weldgrip Strata and Ground Control Services.

It is a manually operated rotary, low-pressure machine with a three-stage leg operation. A range of machines cover operational heights of between 1.1m and 4.1m. The Gopher will operate with pressures between 60 and 100 psi and can be used with the appropriate drill steels for dry or wet drilling. Typical applications include mining, quarrying, tunneling and civil engineering.

Double dump valve for improved operational speed
External leg housing made from wound carbon fibre
improves durability and reduces machine weight
Improved water valve increases operational water pressure
Larger exhaust silencer reduces noise value to 84dBA
Lightweight but durable glass filled plastic head piece and pivot block
Gearbox options: Hi-torque/Lo-speed or Lo-torque/Hi-speed
Easy to maintain and low service costs

Gopher Drilling Machine Specification

High Speed Gearbox

Operating Pressure	bar	6.20	5.51	4.13
- -	psi	90	80	60
Chuck Free Speed	rpm	875	850	800
Stall Torque	Nm	190	170	136
- -	lb/ft	140	125	100

High Torque Gearbox

Operating Pressure	bar	6.20	5.51	4.13
- -	psi	90	80	60
Chuck Free Speed	rpm	650	600	550
Stall Torque	Nm	223	203	163
- -	lb/ft	165	150	120

Leg Thrusts

Operating Pressure	bar	6.20	5.51	4.13
- -	psi	90	80	60
1^st Stage	kN	10.36	9.02	6.89
- -	lbs	2320	2030	1550
2^nd Stage	kN	7.73	6.89	5.34
- -	lbs	1740	1550	1200
3^rd Stage	kN	5.70	5.11	3.74
- -	lbs	1280	1150	840

Dimensions — Heights

Machine Type		Closed	Open
MGS/250/3/LP	mm	1080	2360
MGS/310/3/LP	mm	1280	3050
MGS/350/3/LP	mm	1440	3650
MGS/410/3/LP	mm	1530	4100

Safety Information

Vibration Factor	m/s²	0.678
Noise Reading	dBA	84

Test data is provided by Lloyds Beal and International Mining Consultants Ltd,
Bretby Test Centre, United Kingdom

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