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GLASS HARP RACK | STATIC SHELF INTEGRATION
Is the space under your static shelf doing nothing? In the 13532 project layout, four Hrack glass sorting racks fit below a 2700 × 2400 × 2000 mm shelf: 25 sheets of 12 mm glass per rack, 100 sheets in total. One cabinet can support both reserve storage and single-sheet sorting—subject to drawing review.
A glass fabricator with an existing static shelf often has a practical problem, not a lack of equipment: the lower volume is difficult to use for individual sheets. A conventional A-frame may occupy the aisle, while loose glass on the floor is hard to identify, pick, and protect. A glass harp rack can turn that lower zone into a controlled WIP buffer, but only when the rack, shelf, glass load, and operator clearance are checked as one arrangement.
The 13532 solution is a project-specific example: a 2700 × 2400 × 2000 mm static shelf base receives four Hrack units, each approximately 650 × 2400 × 1900 mm. Each rack is planned for 25 sheets of 12 mm glass; four racks provide 100 sheet positions, with a combined glass load of about 2500 kg. This is not a universal Hrack rating. The final load, slot layout, floor condition, and shelf interface must be confirmed against the project drawing.
Can a glass harp rack go under a static shelf?
Yes—when the lower opening is measured before fabrication. The critical checks are usable height, rack depth, aisle width, caster and lock clearance, shelf legs, forklift paths, and the position of the glass loading edge. In this arrangement, the static shelf remains the warehouse structure; the Hrack units remain independent glass-handling and sorting equipment. They should not be treated as a substitute for the shelf frame or loaded onto an unverified shelf deck. The full slotted base option helps keep sheet bottoms continuously supported, especially where 12 mm sheets must be parked in defined single-sheet positions. The rack can then work as a bottom-level sorting node without requiring operators to place glass directly on the floor.
How do 12 mm heavy sheets stay stable?
Stability comes from the complete support path, not from one advertised component. The project configuration uses defined 12 mm slot positions, a rigid Q235 carbon-steel frame, and a foot-operated lift-locking mechanism. When the operator engages the pedal, the top or lift bar presses through its protective contact surface so the loaded rack is held in position instead of relying only on wheel brakes. The glass is separated by a steel-core divider covered with a PVB sleeve, reducing direct contact between metal and glass. The backrest and resilient contact surfaces provide a controlled leaning interface. Operators still need to load sheets squarely, keep the rack within its approved slot and load limits, and engage the lock before picking or sorting.
How does the four-rack combination add up?
Start with positions, then verify mass and movement. One rack: 25 sheets × 12 mm. Four racks: 4 × 25 = 100 sheet positions. For the 13532 project, the combined glass load is approximately 2500 kg, or an average planning value of about 625 kg per rack before considering how sheet sizes and weight are distributed. That arithmetic is useful for layout planning, but it is not a replacement for structural calculation. Glass dimensions, actual density, impact during loading, floor flatness, wheel selection, lock points, and the surrounding static shelf must be reviewed before approval. If the order mix changes from standard 12 mm sheets to heavier laminated or insulated units, the design must be recalculated rather than simply filling every slot.
What should the factory confirm before integrating the racks?
- Send the static shelf outside dimensions, clear bottom opening, legs, braces, and floor plan; the 650 × 2400 × 1900 mm rack arrangement is a 13532 project value, not a fixed standard.
- Confirm the glass recipe: 12 mm sheet thickness, maximum sheet size, quantity per slot, edge condition, coating sensitivity, and whether future laminated or IGU loads will be added.
- Specify the support and protection route: full slotted base or nylon roller base, PVB-sleeved steel dividers, backrest cushioning, and the required foot-operated lift lock.
- Review the combined load and operating path on the drawing; the 100-sheet and approximately 2500 kg figures must not be transferred to another layout without engineering verification.