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H.H. Roberts Machinery Limited
1324 Matheson Blvd E., Mississauga, Ontario, Canada. L4W-2Z7, Fax 905-624-9065
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Mega H600 Semi-automatic
Mega 23.6" capacity fully automatic twin column bandsaw

Mega automatic bandsaw model H600

 
H-600
Cutting Capacity  
Ø 600mm      700 x 600
 
Ø23.6"      rect  27.5" x 23.6"
Blade size  
54 x 1.6 x 6800
 
2" x 267"  x 63 thou
Blade Speed
M/min
20 - 80 Variable Speed
FPM
65 - 260 Variable Speed
Motor Output

Blade:7.5Kw   hyd. 2.2Kw 

Blade 10 Hp   hyd. 3 Hp  
Dimensions
mm
3490 L x 2270 W x 227 H
Weight Net / Gross  
4300 / 5000 Kgs
9,460 / 11,000 Lbs  


Standard Features
•  Precise cut off length setting.
•  Auto head-elevation and quick approach control.
•  Nesting fixture device bundle cutting
•  Power-driven blade cleaning brush and coolant
      cleaning flush hose.
•  Carbide and roller blade guides.
•  Hydraulic shuttle vice back- jaw feed method.
•  Hydraulic bland tension control.
•  Work-area light.
•  Automatic chip conveyor.
•  Unique split vice allows automatic cutting
      to within as little as 50 mm of bar end.
Standard Equipment
•  Tools with tool box
1 set
• 2M ( 7 FT ) long roller table with vertical roller
      guides
1 set .
•  Band-Cleaning wire bursh.......
2 pcs
•  Band saw blade...................
1 pc
•  Hydraulic blade tension.........
1set
•  Automatic chip conveyor.......
1set
•  Instruction manual and Parts list
1 copy
Options
•  Variable blade speed drive see below
•  Variable vise pressure system
•  Amplifying valve for auto-adjusting cutting feed-rate.
•  GA NC control



QUALITY DESIGN - Skilful engineering and imaginative design give every MEGA Band Saw exceptional cutting capacity.


• An excellent blade tensioning system and guides keep the blade aligned and under constant load at all times.

• A hydraulically controlled cutting feed maintains a constant cutting rate regardless of the workpiece cross section.

• A power-driven brush continually flushed by a cutting fluid spout keeps the blade and saw guides free of chips for
      smoother cutting.

• A quick approach and normal feed rate selector are equipped to cause the blade to quickly descend into position.

• Two hydraulically operated vises, one a fixed front vise, the other an indexable travelling vise in the rear side.

• A cutting length presetting device is built into the saw to preset the required cutting length of a workpiece during
      automatic operation. It is simply operated by means of a read-out digital device.


SAFETY DESIGN- Every MEGA Band Saw is factory equipped with:

• Safety and thermal overload switches.

• Well guarded blades and wheel covers.

• Saw Blade shuts off automatically when cutting is complete.

• Low voltage & zero voltage controls.

• A blade breakage sensor / motion detector provides automatic shutoff.


h-ga_a-a01-3


length setting device for Mega automatic bandsaw • Precise cut legth setting:
A convenient digital readout control located at the operator's station provides easy selection of precise bar length requirement. The digital readout is calibrated in 0.10 mm or 0.01 IN increments and can be repositioned without interrupting the cutting cycle. Repeatability is about 5 thou.
 
  • Automatic head elevation limiter and rapid approach control:
Raising the blade higher than necessary to clear the work for the next cut wastes time. Head elevation is controlled automatically and no longer requires the operator's attention. A control device that senses the size of the workpiece, permits the saw head to raise just high enough so the blade clears the work. This reduces index cycling time significantly.
rapid approach limiting device for Mega twin column automatic bandsaw
quick adjusting carbide guides on the mega twin column automantic bandsaws • Quick adjusting carbide saw blade guides:
For the replacement of the saw blade or the repositioning of the guide arms. two levers are incorporated in the saw guides to allow these operations to be carried out quickly and efficiently. (Hydraulic carbide guides on 550/700 models)
 
  •  Idle wheel rotation detector:
This device not only can protect the saw blade from damage if the blade overloads during cutting, but will also shutoff the machine if the blade should break.
Idle wheel rotation detector for broken blades
Hydraulic blade tension control on Mega automatic bandsaws • Hydraulic blade tension control: 
During operation of the saw the correct tension is automatically maintained. The tension is reduced when the saw is shut-off. This procedure greatly increases blade life.
 
  • Quick action hydraulic twin vice (split vice) with 3-jaw clamping:
Materials are firmly clampled on both sides of the saw blade by twin vices. Operating a single switch provides manual or automatic clamping and unclamping materials. These unique twin vices allow automatic bar feed and cutting to within as little as 50mm of bar end.
special hydraulic vise allowing cut-off to with 50mm of end of stock
two way vise jaws for warped stock • Unigque self aligning vise jaws:
Both vise jaws on the rear work-carriage are actuated simultaneously, opening or closing, instead of the traditional one that is fixed on one side, moveable on another. This particular design ensures accurate indexing even with warped stock.
 
  •  Chip conveyor:
A power driven brush keeps the saw teeth free of chips. Rotating screw shaft in the coolant return drains chips of cutting fluid and propels dry chips by auger conveyor out through a disharge chute.
Automatic chip auger on Mega automatic bandsaw


Options:
showing the variable speed drive control (left) and the NC control (right)
and the controls for the amplifying valve option. .
Showing the variable speed drive, CNC, and hydrualic amplifying valve control
Option: Showing the controls for the variable pressure vise system vise pressure control valves on Mega twin column saws
 
dimensional drawing of Mega twin column series bandsaws
A
B
C
D
E
F
G
H-330
( mm )
1650
2150
700
1768
2118
480
1680
( i n )
65.0
84.6
27.6
69.6
83.4
18.9
66.1
H-400
( mm )
1915
2267
707
2012
2310
505
1810
( i n )
75.4
89.3
27.8
79.2
90.9
19.9
71.3
H-460
( mm )
2000
2720
700
2093
2450
560
1905
( i n )
78.7
107.1
27.6
82.4
96.5
22.1
75.0
H-550
( mm )
2322
2850
700
2093
2450
560
2186
( i n )
91.4
112.2
27.6
82.4
96.5
22.1
86.1
H-600
( mm )
2900
3427
622
2050
2580
342
2414
( i n )
H-700
( mm )
2900
3803
608
2056
2400
361
2370
( i n )
114.2
152
23.9
80.9
94.5
14.2
93.3
H-800
( mm )
3270
4197
722
1971
2421
722
3025
( i n )
H-1080
( mm )
3883
4199
577
2165
2165
3062
( i n )
H-1100
( mm )
4467
5031
595
2057
2057
3398
( i n )
H-1300
( mm )
4861
5634
554
2152
2152
3732
( i n )
H-1613
( mm )
5161
5945
552
2019
2019
3757
( i n )
Specifications subject to change without notice for improvement and modification.


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