Mathey Dearman CGM Cold Cutting System User Manual
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2. SPECIFICATIONS
The CGM pipe cutting and beveling machine is provided with two (2) motors: the first is for rotation of the cutting and
beveling blades and the second motor is for rotating the machine around the pipe.
FORWARD MOTOR POWER:
Air Motor Drive Version
.56 KW / .75 HP
Oil Motor Drive Version
4 KW / 5.4HP
Both have a heavy reduction device (rate 400.1).
FORWARD SPEED:
Air System is adjustable from 0 – 38mm / 0 – 1-1/2” per minute
Oil System is adjustable from 0 – 65mm / 0 – 2-6/16” per minute
CUTTER MOTOR POWER:
Air Motor Drive Version
2,7 KW / 3.7 HP
Oil Motor Drive Version
4,0 KW 5.4 HP
CUTTING PERFORMANCES:
This machine cuts pipe having a minimum nominal diameter of 6 inches (152 mm.) to diameters over 72 inches (1829
mm.) by varying the 4-mesh chain length to accommodate the pipe diameter. Special Wheels are required for 6” pipe.
CUTTER SPEED:
Air System is adjustable from 20 to 71 rpm.
Oil System is adjustable from 20 to 76 rpm.
AIR OR HYDRAULIC POWER REQUIRED
Air Driven CGM
requires a compressor having a minimum capacity of about 4000 liters with a working pressure of
8 bars; connection is made by a 12.7mm (1/2 inch) tube with quick disconnect.
Hydraulic Driven CGM
requires a Hydraulic Power Supply having the capability of a minimum pressure of 100
bars at 72 L/min. The Hydraulic Power Supply should have a 25 Micron Filter, Air Cooled Heat Exchanger to cool the
Hydraulic Oil prior to its returning to a 200 - 250 Liter Hydraulic Reservoir. The pressure connection to the CGM-1
Machine is 12.7mm (1/2 inch) and the return connection is 19mm (3/4 inch) outlet.
CUTTER-WORK SPEED:
The pipe diameter, wall thickness, beveling blade configuration, cutter wear and material hardness are determining factors
in how long it will take to cut the pipe.
CLEARANCE:
Depending on pipe diameter, clearance could be from 30 to 40 cm
(approx. 12” - 16”) radial.
DESCRIPTION
SHIPPING WEIGHT
Air Motor Drive Version
216kg / 476lbs.
Oil Motor Drive Version
223kg / 492lbs.
630
350
310
280
280
550
550