impact grinding

impact grinding

[′im‚pakt ‚grīn·diŋ]
(mechanical engineering)
A technique used to break up particles by direct fall of crushing bodies on them.
References in periodicals archive ?
Subsequently, product and grinding media flow into the area of an intensive impact grinding, which results from the interaction of rotor and stator pegs.
Then, the product passes down the outer annular gap into an area of intensive impact grinding, which results from the interaction of rotor and stator pins.
Famechon (2) has reported a process for crushing a blend of PVC and PET particles, resulting in mixtures with larger PET particles after each operating stage, An Australian firm (3) has reported an impact grinding process that also accomplishes a size difference, Streams rich in PVC particles are ground under liquid nitrogen at a temperature below -100 [degrees] C, producing PVC particles less than 500 microns in characteristic size.
This approach assumes that impact grinding fracture mechanisms are primarily dependent on homopolymer type.
Impact tests and impact grinding may subject the specimen to both tensile and compressive forces.
Therefore, at a given set of impact grinding conditions, the material is expected to fail under tension.
Because the unit uses impact grinding rather than knife cutting, there are no knives to sharpen.
Bullen has been a key supplier to Lam since 1991, and is a recognized leader in silicon growing, ultrasonic impact grinding, and precision machining technology used in silicon material fabrication.
3) have shown that tensile failure occurs for PVC and PET under impact grinding conditions.
3) have shown that PVC shows a brittle-ductile transition under impact grinding conditions at 0 [degrees] C (it fails in a brittle mode at lower temperatures).
Single post-consumer bottle flakes, roughly 6 mm in length, were subjected to impact grinding in order to gain information about the progeny particles.