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Voortman Shot Blasting VSB Range

VSB RANGE | FEATURES

BLASTING CABINET WITH TRIPLE LAYER HOUSING HARDENED ROLLS
The housing of the blasting cabinet exists out of 3 layers of steel: the main housing is made out of 8 mm (5/16”) mild steel, the inside of the blasting cabinet has an 8 mm (5/16”) manganese steel lining, and the hot-spots have another 10 mm (3/8”) manganese steel protection plate. All layers are bolted from the outside, so they are easy to replace. The rolls inside the blasting cabinet are from thick hardened steel to make sure they do not wear during the blasting process.
LIGHT CURTAINS SEPERATOR
A light curtain detects the front and back side of the product(s). Therefor the machine opens the valve for the abrasive, only then when there is material. This increases the life time of the wear plates. Using a cascade plate combined with air flow from the filter unit this system collects good abrasive which it sends back to the abrasive container. Waste abrasive falls into a dust bag, and fine dust goes to the filter unit.
AUTOMATIC ADJUSTABLE TURBINES LONG TURBINE AND MOTOR LIFESPAN
This option is frequently used on the VSB2500 and VSB3300 shot blasters. In case of blasting wide plates the outer turbine angles are adjusted to give maximum blasting power over the total width. In case of blasting beams, which are centrally placed on the conveyor, the outer turbine angles are adjusted to give more blasting power to the middle of the conveyor. A big advantage: Higher speed by smaller width and less wear on the machine. The turbines which are used for all Voortman shot blasters are made according to a design used for many years. Each turbine set has a separate abrasive valve to start the abrasive flow only when material reaches the turbine, so damage to the machine because of running empty is minimized. Each turbine is connected to its motor with flexible couplings supported by double bearings for maximum stability. This reduces the wear of the motor to a minimum. For the VSB3300 belts are used to connect the massive 500 mm (20”) turbines with the motors.
NOISE INSULATION AUTOMATIC ABRASIVE REFILL
With noise insulation panels closing down the sides of the VSB1500 and VSB2500 models, the sound level is reduced to less than 85 dB. For the VSB3300 a complete noise chamber surrounding the machine is required. To prevent shutting down the shot blaster to refill the abrasive container, a separate abrasive container can be placed next to the shot blaster which can be refilled without disturbing the blasting process. A sensor in the main container gives a signal to start the transfer of abrasive between the containers.
BRUSH AND BLOW OFF UNIT ELEVATOR
The brush and blow off unit cleans the material from abrasive after blasting. The height of the brush is automatically adjusted using an infeed light curtain that measures the height of the material. The elevator transports the used abrasive to the separation system. For easy replacement of elevator parts the machine has a push button next to the elevator to rotate the belt manually.
FREQUENCY CONTROLLED TURBINES AND ABRASIVE SCREW CONVEYOR
To blast plates down to 4 mm (5/32”) thickness the following adjustments have to be made to the machines: the abrasive valve has to be controlled to limit the abrasive flow and the turbines are fitted with frequency controllers to lower the speed of the turbines. Additional rolls have to be added to prevent bending of the thin plate inside the machine.
SPECIFICATIONS VSB1500-4/15 VSB1500-6/15 VSB2500-6/15 VSB3300-8/22
Entrance dimensions mm

feet

1.600 x 600

5-1/4 x 2

1.600 x 600

5-1/4 x 2

2.600 x 600

8-1/2 x 2

3.400 x 200
2.600 x 600
11-1/8 x 5/8
8-1/2 x 2
Plate width mm
inch
1.500
59
1.500
59
2.500
98-1/2
3.300
130
Profiles mm
inch
1.000 x 300
40 x 12
1.000 x 300
40 x 12
1.000 x 300
40 x 12
1.600 x 300
63 x 12
Turbines 4 6 6 8
Turbine diameter mm
inch
380
15
380
15
380
15
500
19-3/4
Power per turbine kW
Hp
15
20
15
20
15
20
22
30
Blasting speed m/min
f/min
1,3 – 1,8
4-1/4 – 6
1,8 – 2,9
6 – 9-1/2
1,3 – 1,8
4-1/4 – 6
2,5 – 3,5
8-1/4 – 11-1/2