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Applications and characteristics of aisle-stacker cranes
Published Time:
Dec 03,2018
Aisle-stacker cranes are evolved from forklifts and bridge-type stacker cranes. Bridge-type stacker cranes are limited in speed due to their heavy bridge structure, and are only suitable for warehouses with low frequency of in and out of storage or for storing long and heavy materials. The main purpose of aisle-stacker cranes is to shuttle back and forth in the aisles of high-bay racking, storing goods from the aisle entrance into the storage locations; or retrieving goods from the storage locations and transporting them to the aisle entrance.
Aisle-stacker cranes are evolved from forklifts and bridge-type stacker cranes. Bridge-type stacker cranes are limited in speed due to their heavy bridge structure, making them suitable only for warehouses with low frequency of in and out operations or for storing long and heavy materials. Aisle-stacker cranes mainly shuttle back and forth in the aisles of high-bay racking, storing goods from the aisle entrance into the storage locations; or retrieving goods from the storage locations and transporting them to the aisle entrance.
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Classification by Structure
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Single-column Aisle-Stacker Crane
Features:
1. The frame structure consists of a single column, an upper beam, and a lower beam forming a rectangular frame.
2. The structural rigidity is lower than that of a double-column type.
Applications: Suitable for warehouses with a lifting capacity of less than 2 tons and a lifting height of less than 16 meters.
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Double-column Aisle-Stacker Crane
Features:
1. The frame structure consists of two columns, an upper beam, and a lower beam forming a rectangular frame.
2. The structural rigidity is better.
3. The weight is greater than that of a single-column type.
Applications:
1. Suitable for warehouses of various lifting heights.
2. The general lifting capacity can reach 5 tons, and can be even larger if necessary. 3. Can be used for high-speed operation.
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Classification by Support Method
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Ground-supported Aisle-Stacker Crane
Features:
1. Supported on tracks laid on the ground, supported and driven by wheels at the bottom.
2. Upper guide wheels are used to prevent the stacker crane from tipping over.
3. Mechanical devices are concentrated on the lower beam, making maintenance easy.
Applications:
1. Suitable for automated warehouses of various heights.
2. Suitable for warehouses with larger lifting capacities.
3. Widely used.
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Suspended Aisle-Stacker Crane
Features:
1. Runs along the lower flange of the track installed under the lower chord of the warehouse roof truss.
2. Lower guide rails are laid on both sides under the rack to prevent the stacker crane from swinging.
Applications:
1. Suitable for small automated warehouses with smaller lifting capacity and lifting height.
2. Less commonly used.
3. Easy to change aisles.
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Rack-supported Aisle-Stacker Crane
Features:
1. Supported on tracks laid on top of the rack.
2. Lower guide rails are laid on both sides under the rack to prevent the stacker crane from swinging.
3. The rack should have high strength and rigidity.
Applications:
1. Suitable for small automated warehouses with smaller lifting capacity and lifting height.
2. Less commonly used.
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Classification by Application
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Unit-type Aisle-Stacker Crane
Features:
1. In and out operations are performed using pallet units or container units.
2. No driver is required on the stacker crane when using automatic control.
Applications:
1. Suitable for various control methods, and is the most widely used.
2. Can be used for "goods-to-person" picking operations.
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Picking Aisle-Stacker Crane
Features:
1. The operator on the stacker crane retrieves a small amount of goods from the pallet units or goods units in the rack for outbound operations.
2. The stacker crane is equipped with a driver's cab.
Applications:
1. Generally manual or semi-automatic control.
2. Used for "person-to-goods" picking operations.
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BLOGS
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