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The Application Of The Design Of T...of The Forklift Truck (1 Of 2)

- Mar 24, 2018 -

The background of the change of the overlap of the portal frame


The production of forklift forklift production enterprises generally have a uniform height of the door frame, but some conditions demand special customers, to meet the actual needs of material handling, forklift will require both high maximum lifting height of H3, and has a door frame lower back height H1, which requires the appropriate standard of door frame the adjustment, to meet customer requirements.


After the design of the overlap degree change, the stress of some important parts of the door frame in the actual use will also change. By using FEM to analyze the magnitude of stress changes before and after the change, the author determines whether it is necessary to enhance the strength of corresponding departments or components, and whether other restrictions should be applied to ensure the safe use and life of gantry.


The following will be verified by a specific case. How to use the FEM analysis method to simulate the design results of the overlap change design is in line with the design requirements.


The establishment of geometric model and the requirement of parameter


The first step of FEM analysis is to establish geometric models and set up relevant parameters. The overlap change analysis model involves the whole gantry. The geometric model parameters of this case are set as follows:


1. Object (object): (1) change the door frame before the overlap; (2) change the overlap of the door frame, such as Figure 2.


2. Load (load): 3T


3. Weight of inner mast (inner door frame weight): 500 kg


4. Load Center (bearing center distance): 500 mm


5. Load Offset (bearing offset): 100 mm in the direction of the +y axis


6. Material (material): Q345D


7. Yield strength (yield strength): 345 MPa


8. Ultimate Tensile (ultimate tensile strength): 470 Mpa


Jracking is specialized in producing various pallet rack, cantilever rack, electric mobile rack storage system, mezzanine and platform, shuttle car automatic storage system, push back rack, longspan shelving, rivet shelving, drive in rack, carton flow rack, stacking rack and other related storage equipment.


Jracking strictly implements ISO9001, FEM10.2.02, SEMA, and AS4084-1993 standard in all operations. Jracking offers a wide range of products to meet all of your order fulfillment & material handling needs: Teardrop pallet rack, Dexion pallet rack, European pallet rack and other Work Apparatus. Whether you are looking to populate an entire warehouse or you are in need of a single piece of equipment, Jracking has a solution for you.

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