Top China Push Back Racking Exporter & Exporters serving Moscow

Kinematics & Engineering Principles of Push Back Dynamic Racking Systems

In high-throughput Class-A logistics facilities throughout the Moscow metropolitan area, real estate scarcity along the MKAD (Moscow Ring Road) and TsKAD (Central Ring Road) logistics corridors has driven modern warehousing toward ultra-high cubic density. Push back pallet racking represents the premier dynamic mechanical solution that eliminates dead aisle space while avoiding the mechanical fragility and power reliance of automated shuttle systems.

A push back racking system functions on an inclined nested cart trolley chassis operating inside deep-storage lanes. Pallets are deposited sequentially onto structural steel nesting trolleys that travel along dedicated structural C-profile or boxed structural steel rails. The first unit pallet is placed directly onto the top cart by the material handling forklift operator. When staging the second pallet, the forklift operator pushes back the first pallet gently, exposing the second nesting cart nested immediately underneath. In a 4-deep configuration, the process repeats until the final pallet is positioned directly onto the structural support rails at the bay entry. When a pallet is unloaded from the front picking face, gravity automatically propels the remaining pallets forward at a controlled rate, guaranteeing immediate pick-face replenishment under a Last-In, First-Out (LIFO) inventory management protocol.

Critical to reliable push back operation in Russian logistics centers is the precise mathematical calibration of the gravity slope. HEDA Shelves calculates rail inclination at strictly 2.5% to 3.2% (approx. 1.5° to 1.8°) depending on the total unit load mass and the pallet bottom timber geometry. Insufficient slope creates cart stalls (“dead bays”), while excessive slope generates excessive impact force against front structural beam stop dampers. By deploying high-precision multi-roller flanged bearing assemblies sealed against dust and congealed low-temperature grease, our systems achieve absolute operational stability with minimum friction coefficients.

Technical Specification Comparison: Push Back Lane Depth Configurations

Metallurgical Resiliency & Russian Cold-Chain Applications (-35°C)

A primary failure mode of structural steel racking imported into Moscow, the Urals, and Siberian distribution centers is ductile-to-brittle transition embrittlement caused by severe sub-zero winter temperatures. Standard structural carbon steels (such as conventional commercial Q235B) experience a drastic reduction in Charpy V-notch impact toughness when ambient temperatures fall below -15°C, introducing catastrophic crack propagation risks under the shock loads of forklift loading and unloading.

To eliminate this hazard for Russian cold storage operators and unheated dry distribution facilities in the Moscow Oblast (such as logistics hubs in Podolsk, Chekhov, and Noginsk), HEDA Shelves engineers structural push back uprights and load-bearing cart chassis using normalized low-alloy structural steel Q355D or Q355E. These grades are strictly tested to verify minimum impact energy ratings of ≥34 Joules at -20°C and -40°C respectively, in full alignment with Russian GOST 19281-2014 and building standard SNiP II-23-81. Furthermore, every rolling bearing utilizes synthetic fluorosilicone or ester-based low-temperature lubricants that prevent grease crystallization and seizure down to -45°C, guaranteeing unimpeded cart translation in deep-freeze ice cream, meat, and frozen seafood cold stores.