| 单词 | screw thread |
| 例句 | Malcolm picked out the largest, and then saw something about the screw thread. The Book of Dust: La Belle Sauvage 2017-10-19T00:00:00Z It’s a testament to Immerwahr’s considerable storytelling skills that I found myself riveted by his sections on Hoover’s quest for standardized screw threads, wondering what might happen next. ‘How to Hide an Empire’ Shines Light on America’s Expansionist Side 2019-02-13T05:00:00Z Their screw threads on the outside grip the drywall. Making sure that shelf is securely attached to the wall 2019-11-25T05:00:00Z The Industrial Revolution took off because people agreed on common manufacturing standards such as the type of screw thread used. Metrology is key to reproducing results 2017-07-24T04:00:00Z A strong pin, of iron or other material, used to fasten or hold something in place, often having a head at one end and screw thread cut upon the other end. Webster's Unabridged Dictionary (2nd 100 Pages) 2012-03-24T02:00:19.387Z At d is a hand wheel whose screw has journal bearing in a lug from the table, while the screw threads into a nut provided in the carriage. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Show the form of the Whitworth screw thread by drawing to scale a part section of two or three threads taking a pitch of 1½ inches. An Introduction to Machine Drawing and Design 2012-03-06T03:00:25.777Z The pitch of the screw thread on the concealed part of the spindle is 40 to an inch. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z Round the neck of the cistern is formed a brass ring, with a screw thread on its circumference. A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility 2011-06-19T02:00:15.717Z Pump is brass, 142 mm long, and has a bit of leather wrapped around the outside of the screw threads. Bloodletting Instruments in the National Museum of History and Technology A bolt that has one screw thread can be used on any machine. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Screw Threads.—The various forms of screw threads used in machine construction are shown in fig. An Introduction to Machine Drawing and Design 2012-03-06T03:00:25.777Z While I'm gone you stay down here and pick all the metal off the bolt and out of the screw threads. The Ethical Engineer In the Patent Office Museum at South Kensington is a curious little piece of machinery—a metal cylinder mounted on a long axle, which has at one end a screw thread chased along it. How it Works Dealing in simple language with steam, electricity, light, heat, sound, hydraulics, optics, etc., and with their applications to apparatus in common use This piece of apparatus consists of a brass cylinder, capacity 2500 c.c., with two shoulders; and an opening in the neck at each end, provided with screw threads. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. This screw threads into the nut h on the rod i, which receives the pressure of the bar j and weight k. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Exercise 11: Forms of Screw Threads.—Draw to a scale of three times full size the sections of screw threads as shown in fig. An Introduction to Machine Drawing and Design 2012-03-06T03:00:25.777Z The first propellers were in the form of an ordinary screw thread, but it was soon found that separate fans were equally satisfactory, and more convenient to make. How Britannia Came to Rule the Waves Updated to 1900 For screw threads of a large diameter it is not uncommon to draw in the thread curves as they appear to the eye, and the method of doing this is shown in Figure 208. Mechanical Drawing Self-Taught These levers have at their outer end a curved rack provided with gear teeth adapted to engage a worm or screw thread mounted on the ringer frame. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. At the time the Government established the use of the standard system of screw threads in the navy yards, ten sets of gauges were ordered from a manufacturer. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The screw thread is turned off the set screw at the point where it enters the groove on the nut. An Introduction to Machine Drawing and Design 2012-03-06T03:00:25.777Z The larger portion is about twice as thick as the smaller, to allow room for the screw threads. Things To Make A pair of centers are fitted, one of which should have a screw thread and lock nut for adjustment in putting in and removing the mandrel. The Boy Mechanic: Volume 1 700 Things for Boys to Do The carbon electrode is in the form of a corrugated hollow cylinder which engages by means of an internal screw thread a corresponding screw thread on the outer side of the carbon cover. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. There are in use, in ordinary machine shop practice, four forms of screw thread. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The two heads are four inches in length, one inch of which is provided with a screw thread. Scientific American Supplement, No. 514, November 7, 1885 As the cutting of the screw thread reduces the effective diameter, the strength of a stay is only that of the section at the bottom of the threads. Things To Make After a year in use the tubes can be unscrewed with ease, and the screw threads are perfectly smooth. Scientific American Supplement, No. 497, July 11, 1885 The cylindrical portion is externally screw-threaded so as to engage an internal screw thread in a flanged opening in the center of the cup 1. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. Referring to the first, by the term “the strength of a screw thread,” is not meant the strength of one thread, but of so many threads as are contained in the nut. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z Once it is swung back into place, it is made fast by means of screw threads, wedges or in whatever way the inventor of the gun deems best. Tom Swift and His Giant Cannon, or, the Longest Shots on Record It consists of a hardened steel plate containing holes of varying diameters and threaded with screw threads of different pitches. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The principal requirements for a screw thread are as follows: 1. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The barrel and the ear piece engaged each other by means of a screw thread and served to clamp the diaphragm between them. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The standard screw thread of The Royal Microscopical Society of London, England, is employed for microscope objectives, and the nose pieces of the microscope into which these objectives screw. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z The tap is a tool employed to cut screw threads in internal surfaces, as holes or bores. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z For gas, steam pipe, and other connections made by means of screw threads, and which require to be without leak when under pressure, the tap shown in Fig. Modern Machine-Shop Practice, Volumes I and II 2012-03-23T02:00:33.140Z In this instrument the transmitter front 1 is struck up from sheet metal and contains a rearwardly projecting flange, carrying an internal screw thread. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. The whole magnet structure is secured within the shell 1 by means of a screw thread on the block 7 which engages a corresponding internal screw thread in the shell 1. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. |
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