EN 
DE 
RU 
FR 
PT 
ES 
IT 
JA 
Glass Lifter | Inter-Process Handling
Glass plants lose the most throughput at the station-to-station transfer where flat stock is tipped upright and back. CVLift is built for that one movement.
A glass fab rarely loses its rhythm at the cutting wheel or the tempering furnace. It loses rhythm in the corridor between stations, where a 6 m by 3 m sheet has to be tipped from the horizontal roller table into the vertical position that the next station expects. Operators call it the lift-and-flip. Production planners call it the bottleneck. Either way, the same two-handed manual handling team keeps showing up to do it.
CVLift is a pneumatic glass lifter engineered specifically for that inter-process movement. It uses vacuum suction cups instead of clamps or straps, so the sheet comes off the table clean, stands up under controlled air power, and rides to the next station without ever being touched by hand.
Why the Horizontal-to-Vertical Transfer Slows the Whole Line
In a typical float, tempered, or IGU plant, a single sheet can change orientation four or five times before it reaches the packing rack. Each transition needs at least two operators, often three for oversize panels. They lift the leading edge, walk the sheet onto a vertical rack, and lock it. If anyone is absent, the upstream station either idles or the downstream station starves. The cumulative idle time is rarely tracked, but on most lines it equals or exceeds the cycle time of the slowest machine in the cell.
A vacuum glass lifter replaces that crew. CVLift’s four-pad suction head grips the sheet on the horizontal table, the pneumatic cylinder raises the load through a controlled arc, and one operator walks the unit to the next station. Because the unit is pneumatic and not battery-powered, there is no charging window and no duty-cycle limit — it stays on shift as long as the air compressor does.
What the Pneumatic Design Solves That Manual Handling Cannot
Three problems repeat themselves in every plant that still tips glass by hand. First, the sheet is gripped on its edge, where micro-chips live; one bad grip and the edge blows out into a crack. CVLift’s silica-gel pads grip on the broad face, away from the cut line, and the load is held by vacuum pressure monitored on the panel gauge — when vacuum drops, the audible and visual alarm fires before the sheet moves.
Second, every manual lift adds back strain and crush risk; with CVLift, one operator runs the entire cycle from the wired control handle, and the load never leaves the frame. Third, manual teams slow down at shift change. A pneumatic vacuum glass lifter does not.
Built Evidence — 350 kg Rated, Four Pads, Articulated Arms
The CVLift frame on the shop floor reads 350 KG on its nameplate. Four suction pads, each with concentric sealing grooves, sit on the articulated arm so they can self-level against a slightly warped sheet. The vertical mast is a powder-coated steel tube with adjustment holes for different sheet heights. A non-return valve and safety tank keep vacuum pressure live for several seconds after a hose burst, and the pneumatic cylinder drives both lift and tilt without electric actuators in the load path. The result is a continuous-operation glass manipulator that an IGU line, a tempering line, or a laminating line can park at the station boundary and use all day.
What to Confirm Before You Place a Glass Lifter at the Transfer Point
- Suction pad count and diameter — match the largest sheet on your line; CVLift ships with four 250 mm pads as standard.
- Working load — verify against your heaviest tempered or laminated pack; CVLift is rated 350 kg on the pneumatic frame.
- Air supply — confirm shop-air pressure and CFM at the transfer point; pneumatic drive removes battery charging windows.
- Surface marking — confirm silica-gel pads, not rubber, for coated, low-E, or mirror glass that cannot be reworked after contact.