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Hydraulic feed
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A method of imparting longitudinal movement to the drill rods on a diamond or other rotary-type drill by a hydraulic mechanism instead of mechanically by gearing. see feed cylinder.
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Longitudinal, английский
- Generally parallel to the direction of the wood fibres.
- Продольный
- Generally, parallel to the direction of the wood fibers.
- Продольный, относящийся к долготе, стрингер
- [1] extending in the lengthwise direction, as distinguished from transverse. [2] said of any fore-and-aft structural member, such as a frame or bulkhead.
- Running lengthwise.
- Along the length of a structure.
- Direction parallel to the long axis of an object and perpendicular to its radius — for example, down the length of a cylinder. compare circumferential; radial; transverse. lot tolerance percent defective (ltpd): the poorest quality, in percent defective, individual lot that is acceptable in a sampling plan. ltpd is the percent defective that will be accepted by the sampling plan at most 10 percent of the time. with such a plan, the producer agrees to supply just enough nonconforming product such the consumer will accept the lot using the agreed to sampling plan and acceptable quality level. compare acceptable quality level. lumen (lm): si photometric unit of luminous flux, weighted according to the photopic vision response. one lumen equals the light emitted by one candela (cd) point source into one steradian (sr) solid angle (1 lm = 1 cd/sr).
Mechanically, английский
Mechanical, английский
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Mesabi structural drilling, английский
A method of mineral exploration drilling, developed on the western mesabi range and utilizing reverse-circulation wash boring and/or churn drilling to drill through and obtain samples of the soft (wash ore) or fractured bodies of iron ore.
Snake fashion, английский
A method of boxing core. beginning in the upper-right-hand corner of the core box the core is run from right to left in the first row, from left to right in the second row, left in the third, etc., until the box is filled.
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