Van der Graaf Will Highlight New Cross Drive™ Technology
The compact, low-profile Cross Drive, requires less operating space than conventional in-line drives by eliminating speed/gear reducers, allowing systems designers the flexibility to use belt conveyors in more applications.
Chain/sprocket or belt/pulley arrangements and their associated safety guards are also eliminated allowing end-users to lower conveyor profiles and reduce conveyor line clearances. Also, a complete line of specialized sprockets, designed to drive an industry-standard segmented conveyor belt, attached to the cross drive roller expands the application range.
The transfer of power from the motor’s drive shaft to the drive roller’s outer shell is 96% mechanically efficient through a precision-cut, hardened-steel gear assembly. Also, rotation of the motor’s shaft is parallel with the axis of rotation of the drive roller’s shell.
No external moving parts eliminate the possibility of employee injury and/or product contamination. OSHA requires chain guards for conventional systems, but they are eliminated with the Cross Drive design. Eliminating the chain guards also eliminates components that require maintenance. Another safety concern is noise in the workplace. OSHA requires that employers provide protective noise-abatement devices in areas that exceed set limits. The Cross Drive is internally-driven, significantly reducing noise decibel levels.
The cost to retrofit a conveyor with Cross Drive technology is surprisingly low and cost effective. The Cross Drive roller easily slides into place and is secured with just 4 bolts, then the motor of choice is attached to the roller shaft with a standard coupler. If the motor fails a replacement can be installed quickly, significantly reducing the downtime needed by conventional external drive systems.
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