Horizontal Screens

Nowadays, customers are requiring tighter specifications for products for precisely shaped aggregate or closely-sized stone. As a result, tighter control over the process is of utmost importance and the most effective point to do that is at screening. For that critical step you can trust AGGRETEK Horizontal Screens.

Oval Stroke Geared To Productivity

AGGRETEK Horizontal Screens are a combination of quality, reliability, and performance; providing a long service life while operating under the most demanding applications.

AGGRETEK Horizontal Screens generate power via three-shaft impulse mechanism located in the center of the screen body with eccentric counterweights. The combination of the three shafts provide an oval stroke with adjustable amplitude, speed and operating angle, determined by application.

Oval stroke screen action combines the best features of the circle and straight line throw into a unique oval stroke, by benefiting from the screening of the circle throw with the conveying action of the straight line. The motion is nearly vertical through the initial lift phase of the stroke, and the openings in the screen cloth are perpendicular to the material. This provides optimum alignment and maximum probability of material passage through the screen openings.

Adjusting the stroke angle has been found to be the most influential in optimizing the screen efficiency. Higher stroke angles increase the number of chances the material has to pass through the openings and also increases the impact to shake fines loose. Lowering the stroke angle increases the travel rate for heavy screening or scalping operations. Higher speed is sometimes desired for scalping duty.

Wire Cloth Stretching System

Screen meshes are fastened to the screen body by means of screen clamps and sheet bars, after being well stretched at the edges by the tension sheet. Thus, any slackening of the screen meshes during the screening process is prevented.

Other Benefits

– Lower operation noise

– Increase safety for operators

– Smoother shut down of the screen

Bearing and Lubrication

Self aligning taper roller bearings are used to withstand the high thrust and radial loads under which the drive shafts of the triple drive system operate. The roller bearing lubrication is carried out by oil lubrication in an oil bath, which reduces operating temperature for increased bearing life and results in low maintenance.

Other benefits include:

  • Less horsepower required
  • Smooth running-eliminates jerking action of straight stroke screens
  • Adjustable angle and length of stroke
  • High capacity and efficiency
  • High G force action for better material stratification, reduced plugging and greater range of screenable material

Mounting Arrangement

Coiled springs or with reinforced rubber springs depending on the application. Coiled spring is used when there is no threat of corrosion or abrasion, when there are plenty of opportunities for maintenance and spring replacement, and when loss of time due to problems caused by spring fracture is not an issue. Rubber spring should be used when there is a risk of corrosion or abrasion, when there are limited opportunities for maintenance and spring replacement, and where any halt in production will result in significant costs.

Models and Specifications

IMPERIAL

Size
feet
ASH6162
6x16
ASH6163
6x16
ASH6202
6x20
ASH6203
6x20
ASH7162
7x16
ASH7163
7x16
ASH7202
7x20
ASH7203
7x20
ASH8162
8x16
ASH8163
8x16
ASH8202
8x20
ASH8203
8x20
# of Decks
qty
ASH6162
2
ASH6163
3
ASH6202
2
ASH6203
3
ASH7162
2
ASH7163
3
ASH7202
2
ASH7203
3
ASH8162
2
ASH8163
3
ASH8202
2
ASH8203
3
Drive
HP
ASH6162
40
ASH6163
50
ASH6202
40
ASH6203
50
ASH7162
50
ASH7163
50
ASH7202
50
ASH7203
60
ASH8162
50
ASH8163
60
ASH8202
50
ASH8203
60
Speed
rpm
ASH6162
675-875
ASH6163
675-875
ASH6202
675-875
ASH6203
675-875
ASH7162
675-875
ASH7163
675-875
ASH7202
675-875
ASH7203
675-875
ASH8162
675-875
ASH8163
675-875
ASH8202
675-875
ASH8203
675-875
Weight
lbs
ASH6162
20115
ASH6163
23973
ASH6202
21111
ASH6203
24970
ASH7162
22145
ASH7163
26004
ASH7202
23534
ASH7203
27392
ASH8162
24231
ASH8163
28089
ASH8202
25391
ASH8203
29249

METRIC

Size
mm
ASH6162
1830x4877
ASH6163
1830x4877
ASH6202
1830x6069
ASH6203
1830x6069
ASH7162
2134x4877
ASH7163
2134x4877
ASH7202
2134x6069
ASH7203
2134x6069
ASH8162
2438x4877
ASH8163
2438x4877
ASH8202
2438x6069
ASH8203
2438x6069
# of Decks
qty
ASH6162
2
ASH6163
3
ASH6202
2
ASH6203
3
ASH7162
2
ASH7163
3
ASH7202
2
ASH7203
3
ASH8162
2
ASH8163
3
ASH8202
2
ASH8203
3
Drive
kW
ASH6162
30
ASH6163
37
ASH6202
30
ASH6203
37
ASH7162
37
ASH7163
37
ASH7202
37
ASH7203
45
ASH8162
37
ASH8163
45
ASH8202
37
ASH8203
45
Speed
rpm
ASH6162
675-875
ASH6163
675-875
ASH6202
675-875
ASH6203
675-875
ASH7162
675-875
ASH7163
675-875
ASH7202
675-875
ASH7203
675-875
ASH8162
675-875
ASH8163
675-875
ASH8202
675-875
ASH8203
675-875
Weight
kg
ASH6162
9124
ASH6163
10874
ASH6202
9576
ASH6203
11326
ASH7162
10045
ASH7163
11795
ASH7202
10675
ASH7203
12425
ASH8162
10991
ASH8163
12741
ASH8202
11517
ASH8203
13267

Full Length Spring Support

Spring supports capture all decks for added regidity and stability. This improves resistance to side plate cracking. Fully broke non-welded huck-bolted standard. Option of marsh-mellow coil springs.

High Strength Screen Body

The body of the screen is extremely strong supporting the stresses required by the high power mechanism. This rigidity is provided by frames made from beam sections with stiffeners positioned in critical areas.

Huck-Bolted

Side plates are made from high quality steel and laser cut holes. Frames are huck-bolted to the side plates insuring structural integrity and eliminates stress fatigue in the screen body.

Motor Base

The motor base coupled with the belt tensioning system enables a practical motor assembly and V belt – pulley replacement, and provides energy efficiency by keeping the belt tention at the desired level. In addition, by providing a bolted connection between the motor frame and the main frame, cracks and fatigue isses associated with welding are avoided.

UPCOMING

AGG1 - March 25 - 27, 2024

Looking forward to seeing everyone next year in Nashville.

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CORPORATE HEADQUARTERS
150 Isidor Ct. Suite 103
Sparks, Nevada 89441
USA
SALES
Sparks, NV
+1 775-686-6900
DISTRIBUTION CENTER
Sparks, NV
ENGINEERING DIVISION
Maddison, WI
DEALER RELATIONS
Seattle, WA
SERVICE DIVISION
Billings, MT

SALES DEPARTMENT
Office: 775-686-6900
sales@aggretek.com
LOGISTICS
logistics@aggretek.com
Office: 775-686-6900 ext. 125
PARTS DEPARTMENT
parts@aggretek.com
Office: 775-686-6900 ext. 128
SERVICE DEPARTMENT
service@aggretek.com
Office: 775-686-6900
DEALER DEVELOPMENT
dealers@aggretek.com
Office: +1 775-686-6900

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