What's the difference between lathe and mandrel?

Lathe


Definition:

  • (n.) Formerly, a part or division of a county among the Anglo-Saxons. At present it consists of four or five hundreds, and is confined to the county of Kent.
  • (n.) A granary; a barn.
  • (n.) A machine for turning, that is, for shaping articles of wood, metal, or other material, by causing them to revolve while acted upon by a cutting tool.
  • (n.) The movable swing frame of a loom, carrying the reed for separating the warp threads and beating up the weft; -- called also lay and batten.

Example Sentences:

  • (1) One had been attached to the first cutting lathe that Optimal had acquired.
  • (2) Through combination with a spherical disc face perpendicular to the axis of rotation, which protrudes only slightly from the hemispherical catheter tip, with a maximum at the center and minimum at the lateral borders, the lathing head has only a slight risk of perforation and no undesired sheering forces (Figures 2a to 2d).
  • (3) Machinable ceramics that can be cut and even lathed have recently been developed in industry.
  • (4) We studied the anterior surfaces of 30 soft contact lenses (10 lathe cut [polished]; 10 spin cast [unpolished], and 10 cast molded [unpolished]) of the same polymer and water content.
  • (5) The results indicate that when dental amalgam alloy is added to the glass ionomer, lathe-cut particles are to be preferred but only in an amount up to 20% by weight.
  • (6) Changes in corneal curvature and subjective refraction were found to occur in some wearers of N & N lathe-cut soft contact lenses.
  • (7) Peripheral swelling was less than central for both lathe cut- and spun cast-type lenses.
  • (8) For clinical application the initial intumescence should be taken into consideration, as well as the donor tissue thickening during its freezing for working on a lathe.
  • (9) Data is presented in respect of 256 restorations of Occlusin and 69 restorations of a conventional lathe cut amalgam.
  • (10) The lenses studied were lathe-cut polymethylmethacrylate (PMMA), injection-molded non-UV PMMA, injection-molded UV PMMA, and cast-molded UV PMMA.
  • (11) Measurement of the corrosion rates of three distinctive amalgam alloys (lathe-cut, spherical and dispersed-phase) when immersed in three different electrolytes, including saliva, is reported.
  • (12) The results indicated that early microleakage from alloys of lathe-cut particles was lower than that from alloys of spherical particles in both low-copper and high-copper amalgam restorations.
  • (13) Precise lathing of epikeratoplasty lenticules is difficult to achieve with the cryolathe due to unpredictable expansion of the lathing tools and the corneal tissue during the freezing process.
  • (14) Like, ‘Don’t send us a CD master of the loudest techno music and expect that to be cuttable on a lacquer.’ (The high and low frequencies associated with this type of music can overheat the cutting lathe and cause the mastering machinery to shut down; pushing the process to its limits is the origin of some records being called “hot cuts”.)
  • (15) Often overlooked is the dental laboratory of which particular interest focuses on the lathes used in preparing prosthetic appliances, castings, orthodontic appliances, and surgical stents.
  • (16) A method was developed for lathing corneal tissue without freezing.
  • (17) This paper describes in detail the geometry of the first lathe-cut hydrophilic lens approved by the Federal Drug Administration, the fitting methods utilizing trial lenses, and the results of 100 patients successfully fitted.
  • (18) We adapted a lathe to the production of keratolenses.
  • (19) USA 69, 3643-3647) and the HLP-1 protein (Lathe, R. et al.
  • (20) Three out of 10 eyes (30%) in which injection molded anterior chamber lenses from McGhan were used developed cystoid macular edema, compared to a much lower incidence with the use of lathe-cut anterior chamber lenses from Rayner.

Mandrel


Definition:

  • (n.) A bar of metal inserted in the work to shape it, or to hold it, as in a lathe, during the process of manufacture; an arbor.
  • (n.) The live spindle of a turning lathe; the revolving arbor of a circular saw. It is usually driven by a pulley.

Example Sentences:

  • (1) These characteristics were correlated with graft fabrication variables: mandrel rpm, horizontal speed of the spray nozzle, gas and polymer solution flow rates.
  • (2) Subsequently, the mandrel can be removed, living the drain in situ for aspiration.
  • (3) In this study, Pellethane 2363-80A tubing containing conductor coils or mandrels of various metals or controls were implanted in rabbits.
  • (4) Four brass mandrels with a total of 46 test diameters ranging from 3.5 to 60.0 mm were used in this study.
  • (5) The prefabricated attachment system presented uses a matching component cast directly against the precast metal rest-mandrel.
  • (6) For urethrocystoscopy it represents a safe introductory rod (mandrel) introduced under visual control.
  • (7) It consists of an electric motor with a mandrel bearing a carborundum sectioning disk centered within a Plexiglas enclosure.
  • (8) The Omniflow biosynthetic prosthesis is made by a polyester net set on a silicon mandrel and planted on the sheep's back in order to from a tube of collagen that is fixed by glutaraldehyde at the moment of removing.
  • (9) With the larger mandrel, stroke work consistently exceeded normal canine stroke work at physiologic filling pressures.
  • (10) The authors describe a rare complication following total gastrectomy or reconstruction using a Roux-en-Y loop: the presence of a metal mandrel used to insert the nasogastric tube in the end tract was discovered during esophagojejunal anastomosis.
  • (11) The method is based on the spray application of a fine mixture of polymer solution and nitrogen gas bubbles onto a lathe-mounted mandrel.
  • (12) Antibody binding to the serotype-specific class 2 protein was dependent on renaturation of the antigen by a dipolar ionic detergent (R. E. Mandrell and W. D. Zollinger, J. Immunol.
  • (13) The catheters were introduced, either on the day preceding the operation or at the end of it, above or below T6-T7, after localization of the peridural space by the hanging drop technique or by loss of resistance to a liquid mandrel; 5 mg of preservative-free morphine diluted in 3 ml isotonic saline were injected.
  • (14) The mandrel cross section required to produce a predetermined amount of deformation (2 mm arc height for a 5 cm chord) was defined as the yield diameter for that particular wire.
  • (15) Signs and symptoms of gonorrhea began with the appearance of variants making 4,700-dalton LOS that are immunochemically similar to glycosphingolipids of human hematopoietic cells (Mandrell, R.E., J.M.
  • (16) In one group of dogs (n = 7) the skeletal muscle ventricles were constructed around a 17 ml Teflon mandrel, and in the other group (n = 5) a 45 ml mandrel was used.
  • (17) This idea comes from the experience made in using glutaraldehyde as biologic fixative employed for the first time in the fixation of the cardiac valves by Carpentier in 1976 and in using nets of synthetic material set on a mandrel in man by Sparks in 1986, to form a tube of collagen to be used as a vascular prosthesis.
  • (18) An alternative method for defining the range of orthodontic wires proposed by Waters (1981) is to wrap wire sections around mandrels of varying diameters and measure the deformation imparted after unwrapping.
  • (19) It involves spraying a polymer solution (generated by mixing polymer solution and nitrogen gas in a spray nozzle) onto the surface of a flowing nonsolvent liquid (water): polymer fibers form during precipitation of the spray drops as they travel on the water surface, until picked up by a partially submerged rotating mandrel.
  • (20) Several polymer coats are applied in a semiautomated process, at the end of which the polymer coating is dried and the tube is slipped off the mandrel.

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