Komatsu PC300-7 -, Брошюра

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10
ENGINE
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA6D114E
Type . . . . . . . . . . . . . . . . . . . . Water-cooled, 4-cycle, direct injection
Aspiration. . . . . . . . . . . . . . . . . . . . . . . . . Turbocharged, aftercooled
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
114 mm 4.49"
Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 mm 5.31"
Piston displacement. . . . . . . . . . . . . . . . . . . . . . . . . . 8.27 ltr 505 in 3
Flywheel horsepower:
SAE J1349 . . . . . . . . . . . . . . . . . . . 180 kW 242 HP @ 1900 rpm
DIN6270 . . . . . . . . . . . . . . . . . . . . . 180 kW 245 PS @ 1900 rpm
Governor . . . . . . . . . . . . . . . . . . . . . . . All-speed control, mechanical
HYDRAULICS
Type . . HydrauMind (Hydraulic Mechanical Intelligence New Design)
system, closed-center system with load sensing valves and
pressure compensated valves
Number of selectable working modes . . . . . . . . . . . . . . . . . . . . . . . 3
Main pump:
Type . . . . . . . . . . . . . . . . . . . . . Variable displacement piston type
Pumps for . . . . . . . . Boom, arm, bucket, swing, and travel circuits
Maximum flow . . . . . . . . . . . . . . . . .
535 ltr/min 141 U.S. gal/min
Supply for control circuit . . . . . . . . . . . . . . . . . Self-reducing valve
Hydraulic motors:
Travel . . . . . . . . . . . . . . . 2 x axial piston motor with parking brake
Swing . . . . . . . . . . 1 x axial piston motor with swing holding brake
Relief valve setting:
Implement circuits . . . . . . . . . . . 37.3 MPa 380 kgf/cm 2 5,400 psi
Travel circuit. . . . . . . . . . . . . . . . 37.3 MPa 380 kgf/cm 2 5,400 psi
Swing circuit. . . . . . . . . . . . . . . . 27.9 MPa 285 kgf/cm 2 4,050 psi
Pilot circuit . . . . . . . . . . . . . . . . . . . . 3.2 MPa 33 kgf/cm 2 470 psi
Hydraulic cylinders:
(Number of cylinders – bore x stroke x rod diameter)
Boom . . . . . 2 – 140 mm x 1480 mm x 100 mm 5.5" x 58.3" x 3.9"
Arm . . . . . . 1 – 160 mm x 1825 mm x 110 mm 6.3" x 71.9" x 4.3"
Bucket: . . . . . . . . . . . . . . . for 3.19 m 10'5" and 4.02 m 13'2" Arm
1 – 140 mm x 1285 mm x 100 mm 5.5" x 50.6" x 3.9"
. . . . . . . . . . . . . . . . . for 2.22 m 7'3" and 2.55 m 8'4" Arm
1 – 150 mm x 1285 mm x 110 mm 5.9" x 50.6" x 4.3"
DRIVES AND BRAKES
Steering control . . . . . . . . . . . . . . . . . . . . . . . Two levers with pedals
Drive method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic
Maximum drawbar pull . . . . . . . . . . . . . 264 kN
26900 kgf 59,300 lb
Gradeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70%, 35°
Maximum travel speed: High . . . . . . . . . . . . . . . . .
5.5 km/h 3.4 mph
(Auto-Shift) Low . . . . . . . . . . . . . . . . . 3.2 km/h 2.0 mph
Service brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic lock
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . Mechanical disc brake
SWING SYSTEM
Drive method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic
Swing reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Planetary gear
Swing circle lubrication . . . . . . . . . . . . . . . . . . . . . . . Grease-bathed
Service brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic lock
Holding brake/Swing lock . . . . . . . . . . . . . . . . Mechanical disc brake
Swing speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5 rpm
UNDERCARRIAGE
Center frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X-frame
Track frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Box-section
Seal of track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sealed track
Track adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic
Number of shoes (each side):
PC300-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
PC300LC-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Number of carrier rollers . . . . . . . . . . . . . . . . . . . . . . . . . 2 each side
Number of track rollers (each side):
PC300-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PC300LC-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
COOLANT AND LUBRICANT
CAPACITY
(REFILLING)
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 605 ltr 160 U.S. gal
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.0 ltr 8.5 U.S. gal
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35.0 ltr 9.2 U.S. gal
Final drive, each side . . . . . . . . . . . . . . . . . . . . . . 8.5 ltr 2.2 U.S. gal
Swing drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.4 ltr 3.5 U.S. gal
Hydraulic tank . . . . . . . . . . . . . . . . . . . . . . . . . . 188 ltr 49.7 U.S. gal
OPERATING WEIGHT
(APPROXIMATE)
Operating weight including 6470 mm 21'3" one-piece boom,
3185 mm 10'5" arm, SAE heaped 1.4 m 3 1.83 yd 3 bucket, rated
capacity of lubricants, coolant, full fuel tank, operator, and standard
equipment.
PC300-7 PC300LC-7
Operating Ground Operating Ground
Shoes Weight Pressure Weight Pressure
600 mm 30800 kg
62.8 kPa
31520 kg
58.8 kPa
0.64 kgf/cm 2 0.60 kgf/cm 2
23.6" 67,900 lb
9.10 psi
69,490 lb
8.53 psi
700 mm 31160 kg
53.9 kPa
31900 kg
50.7 kPa
0.55 kgf/cm 2 0.52 kgf/cm 2
27.6" 68,700 lb
7.82 psi
70,330 lb
7.36 psi
800 mm 31510 kg
46.1 kPa
32280 kg
45.1 kPa
0.47 kgf/cm 2 0.46 kgf/cm 2
31.5" 69,470 lb
6.68 psi
71,160 lb
6.54 psi
11
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C D
F
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0 1 2 3 4 5 6 7 8 9 10
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(m)
1
2
3
4
(m)
2440 8'
E
Bucket Capacity
Number
(heaped) Width Weight Arm Length
SAE, PCSA CECE Without Side Cutters With Side Cutters With Side Cutters
of Teeth
2.22 m 7'3" 2.55 m 8'4" 3.19 m 10'5" 4.02 m 13'2"
0.52 m 3 0.68 yd 3 0.48 m 3 0.63 yd 3 610 mm 24.0" 740 mm 29.1" 664 kg 1,460 lb 3
1.14 m 3 1.49 yd 3 1.00 m 3 1.31 yd 3 1145 mm 45.1" 1275 mm 50.2" 900 kg 1,980 lb 4
1.40 m 3 1.83 yd 3 1.20 m 3 1.57 yd 3 1340 mm 52.8" 1445 mm 56.9" 1015 kg 2,240 lb 5
1.60 m 3 2.09 yd 3 1.40 m 3 1.83 yd 3 1515 mm 59.6" 1645 mm 64.8" 1102 kg 2,430 lb 6
□ □ □
X
1.80 m 3 2.35 yd 3 1.60 m 3 2.09 yd 3 1700 mm 66.9" — *1115 kg 2,460 lb 6 X
**1.40 m 3 1.83 yd 3 1.20 m 3 1.57 yd 3 1458 mm 57.4" — 1508 kg 3,320 lb 5
X
Arm 2220 mm 7'3" 2550 mm 8'4" 3185 mm 10'5" 4020 mm 13'2"
A Max. digging height 9580 mm 31'5" 9965 mm 32'8" 10210 mm 33'6" 10550 mm 34'7"
B Max. dumping height 6595 mm 21'8" 6895 mm 22'7" 7110 mm 23'4" 7490 mm 24'7"
C Max. digging depth 6355 mm 20'10" 6705 mm 22'0" 7380 mm 24'3" 8180 mm 26'10"
D Max. vertical wall
digging depth
5120 mm 16'10" 5880 mm 19'4" 6480 mm 21'3" 7280 mm 23'11"
E Max. digging depth
of cut for 8' level
6130 mm 20'1" 6520 mm 21'5" 7180 mm 23'7" 8045 mm 26'5"
F Max. digging reach 10155 mm 33'4" 10550 mm 34'7" 11100 mm 36'5" 11900 mm 39'1"
G Max. digging reach
at ground level
9950 mm 32'8" 10355 mm 34'0" 10920 mm 35'10" 11730 mm 38'6"
H Min. swing radius 4390 mm 14'5" 4400 mm 14'5" 4310 mm 14'2" 4320 mm 14'2"
Bucket digging force 228 kN 228 kN 200 kN 200 kN
at power max. 23300 kgf /51,370 lb 23300 kgf /51,370 lb 20400 kgf /44,970 lb 20400 kgf /44,970 lb
Arm crowd force 225 kN 193 kN 165 kN 139 kN
at power max. 22900 kgf /50,490 lb 19700 kgf /43,430 lb 16800 kgf /37,040 lb 14200 kgf /31,310 lb
Bucket digging force 259 kN 259 kN 227 kN 227 kN
at power max. 26400 kgf /58,200 lb 26400 kgf /58,200 lb 23100 kgf /50,930 lb 23100 kgf /50,930 lb
Arm crowd force 235 kN 201 kN 171 kN 144 kN
at power max. 24000 kgf /52,910 lb 20500 kgf /45,190 lb 17400 kgf /38,360 lb 14700 kgf /32,410 lb
Arm Length 2220 mm 7'3" 2550 mm 8'4" 3185 mm 10'5" 4020 mm 13'2"
A Overall length 11290 mm 37'1" 11180 mm 36'8" 11140 mm 36'7" 11170 mm 36'8"
B Length on ground (transport): PC300-7 6980 mm 22'11" 6585 mm 21'7" 5755 mm 18'11" 5300 mm 17'5"
PC300LC-7 7155 mm 23'6" 6760 mm 22'2" 5930 mm 19'5" 5475 mm 18'0"
C Overall height (to top of boom) 3400 mm 11'2" 3410 mm 11'2" 3280 mm 10'9" 3760 mm 12'4"
WORKING RANGE
DIMENSIONS
: General purpose use, density up to 1.8 ton/m 3 1.52 U.S. ton/yd 3 X : Not usable
□
: General purpose use, density up to 1.5 ton/m 3 1.26 U.S. ton/yd 3 * : Without side cutters
: Light duty work, density up to 1.2 ton/m 3 1.01 U.S. ton/yd 3 ** : Rock bucket (with side shroud)
BACKHOE BUCKET, ARM, AND BOOM COMBINATION
ISO rating SAE rating
PC300-7 PC300LC-7
D Overall width 3190 mm 10'6" 3290 mm 10'10"
E Overall height (to top of cab) 3130 mm 10'3" 3130 mm 10'3"
F Ground clearance, counterweight 1185 mm 3'11" 1185 mm 3'11"
G Ground clearance (minimum) 500 mm 1'8" 500 mm 1'8"
H Tail swing radius 3450 mm 11'4" 3450 mm 11'4"
I Track length on ground 3700 mm 12'2" 4030 mm 13'3"
J Track length 4625 mm 15'2" 4955 mm 16'3"
K Track gauge 2590 mm 8'6" 2590 mm 8'6"
L Width of crawler 3190 mm 10'6" 3290 mm 10'10"
M Shoe width 600 mm 23.6" 700 mm 27.6"
N Grouserr height 36 mm 1.4" 36 mm 1.4"
O Machine cab height 2580 mm 8'6" 2580 mm 8'6"
P Machine cab width 2995 mm 9'10" 2995 mm 9'10"
Q Distance, swing center to rear end 3405 mm 11'2" 3405 mm 11'2"
S
PECIFICATIONS
H
Y D R A U L I C
E
X C A V A T O R
HYDRAULIC EXCAVATOR
PC300-7
PC300-7 0