guide ring

guide ring

[′gīd ‚riŋ]
(mining engineering)
A longitudinally grooved, annular ring made almost full borehole size, which is fitted to an extension coupling between the core barrel and the first drill rod.
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References in periodicals archive ?
Fuji recently unveiled this latest ceramic guide ring, which testing shows is smoother and less abrasive than even premium silicon carbide, or SiC.
They are equipped with a guide ring, giving extremely precise roller guiding, and optimised solid brass retainers, which carry higher loads and offer very high wear resistance.
Drill projection length can be adjusted by handrotating the knurled guide ring on the outside of the SDM Toolholder.
For a copy of the guide ring 0808 808 2020 or visit www.
The fan provides greater airflow without any decrease in efficiency thanks to a specially shaped air guide ring mounted to its cover plate.
Tenders are invited for Supply of various consumables items like U rings, O-Ring, Stepseal, Guide ring, Roof shape ring etc (Placed alongside) for GEHO pump, for HTPS, CSPGCL, KWB.
The new water-saving guide ring conserves water and thus extends the floor area to be covered on a single filling by channelling the water and detergent directly between the brush bristles.
Tenders are invited for Supply of Guide Ring for Axle Box Guide Arrangement and confirming to RDSO Spec.
Qty/Set 1 Packing cup 766272 1 2 Expansion plug 759488 1 3 wiper ring 769953 1 4 wiper ring 772262 1 5 O ring 751374 1 6 Guide ring 732485 1 7 brake cylinder gasket 777140 1 8 O ring 760069 1 9 O ring 755559 2 10 Screw self locking hex head 734734 1
Quotations are invited for supply of guide bush and guide ring at beml, bangalore complex
Tenders are invited for supply of guide bush and guide ring at beml, bangalore complex