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Structural composition (three-stage/four-stage expansion)
Fixed fork (lower fork): base, rigidly connected to stacker/AGV, integral load
Middle fork (middle fork): linkage telescopic, transfer power, extend stroke
Telescopic fork (upper fork/front fork): directly lift the goods, with guide/limit at the front end
Transmission system: servo motor + gear reducer + large module gear rack (tooth backlash ≤ 0.1mm) or heavy-duty plate chain
Guidance system: heavy-duty linear guide/roller guide, reinforced support, anti-deflection guide groove
Safety system: overload protection, limit switch, broken chain detection, soft start and stop, anti-skid tooth surface
Core performance parameters
Carrying capacity: standard 5t/10t/15t/20t; custom up to 20t - 50t
Telescopic stroke: 1000 - 3000mm (can be lengthened without standard)
Telescopic speed: 0.5 - 1.2m/s (full load)
Positioning accuracy: ± 1 - ± 3mm
Repeated positioning: ± 0.2 - ± 1mm
Fork Material: High Strength Alloy Structural Steel (Quenched/Tempered, HRC45 - 55)
Deflection control: ≤ 15 - 25mm/full length under full load
Drive: Servo motor (dual motor synchronization)
III. Main types
Single deep position (three-stage telescopic): access single row of shelves, standard travel, universal heavy load
Double deep position (four-stage telescopic): access to double row shelves, longer travel, higher space utilization
Clamp type/hook type: suitable for special materials such as steel coils, coils, special-shaped parts, molds, etc
Explosion-proof/high temperature resistant type: used in special environments such as metallurgy, chemical industry, and high-temperature storage
IV. Core strengths
Super load: thickened fork arm, reinforcing ribs, high-strength steel, anti-bending and anti-deformation
Long stroke stability: multi-stage linkage + intermediate support, no shaking or sagging under heavy load
High precision: rack and pinion + servo + encoder, accurate positioning and good repetition
Save space: narrow lanes, high-rise shelves (10m +) access, improve storage density
Safe and reliable: multiple protection, anti-skid, anti-collision, overload protection, low failure rate
Automation adaptation: support PLC, Profibus, Profinet, docking with WMS/stacker system
V. Typical application scenarios
Automobile manufacturing: stamping die (5-15t), welding fixture three-dimensional library
Heavy machinery: large castings, machine bed, counterweight (10 - 30t)
New energy: wind turbine hubs/nacelles (20 - 40t), photovoltaic heavy-duty profiles
Metallurgy/Steel: Steel coils, plates, billets (5-30t)
Aerospace: engines, precision housings, aerospace structural parts (high-precision heavy loads)
Port/logistics: small containers, heavy pallets, bonded warehouses for large items
Six, selection points
1.Rated load: selected according to the maximum cargo weight (5t/10t/15t/20t +)
2.Travel depth: single depth/double depth, shelf depth determines travel
3.Accuracy requirements: general ± 3mm; precision ± 0.5 - ± 1mm
4.Environment: room temperature/high temperature/explosion-proof/dust
5.Supporting equipment: stacker/AGV/shuttle/crane
6.Control: stand-alone/linkage WMS/automatic line
VII. Materials and processes
Fork body: high-strength alloy steel plate (Q690/Q460/42CrMo), welding + stress relief + quenching and tempering + quenching
Guide: heavy-duty linear guide (roller type), inlaid steel guide, quenched guide surface
Gear: hard tooth surface, grinding teeth, precision GB6 or above
Surface: anti-skid teeth, wear-resistant coating, anti-rust treatment
