Lead screws eliminate drag and wear
A
Kerk Motion Products product story
Edited by the Engineeringtalk editorial team
Oct 7, 2005
Kerk Motion Products reckons its VHD Series of non-ball lead screws is ideal for eliminating drag and wear associated with high preload forces.
Kerk Motion Products reckons its VHD Series of non-ball lead screws is ideal for eliminating drag and wear associated with high preload forces.
The Kerk VHD Series antibacklash assembly provides the maximum load-carrying capability and the highest axial and radial stiffness of any Kerk nut assembly.
Designed for smooth, quiet operation and long life, the VHD assembly provides low drag torque by making use of the patented Kerk axial take-up mechanism, creating a stiff spacer which will continually expand to accommodate the wear which occurs during use.
The self-lubricating Kerk VHD Series is also instrumental in combating environmental and noise reduction challenges, as encountered in the packaging industry.
As airborne paper dust is regularly generated in the cartoning and case packing area, almost everything eventually gets covered in a light layer of dust.
However, the VHD screw does not require grease to operate, and therefore reduces noise and dust in the workplace.
Accuracy, reliability, and load rating make the Kerk VHD Series a popular replacement for ball screws.
Available leads from 1.27 to 92mm and lengths up to 4m cover a range unmatched by ball screws.
VHD Series screws are 303 stainless steel, with Kerk's custom Kerkote TFE extended life coating optional.
Assemblies are available cut-to-length or with screws machined to user requirements.
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