| 单词 | to grind in |
| 释义 | > as lemmasto grind in b. To smooth the surface of (glass, etc.) by friction. Also to grind in: to smooth the surface of (a machine part) by moving it to and fro against the surface with which it is to fit or mate; esp. to make (a valve in a cylinder of an internal combustion engine) fit smoothly and tightly into its seat by rotating it to and fro against the seat with a suitable abrasive paste; occasionally to grind (a valve) in (also into, on to) (its seat). ΘΚΠ the world > space > shape > flatness or levelness > smoothness > make smooth [verb (transitive)] > by grinding grind1651 society > occupation and work > industry > working with specific materials > working with glass > work with glass [verb (transitive)] > specific processes blow1589 grind1651 centre1688 muff1877 muffle1908 society > occupation and work > industry > manufacturing processes > perform general or industrial manufacturing processes [verb (transitive)] > smooth surface planish1622 strip1831 surface1837 grind1888 1651 J. French Art Distillation i. 6 The stopple of Glass ground very smooth. 1660 R. Boyle New Exper. Physico-mechanicall Proem 10 To the inward tapering Orifice of this Ring..are exquisitely ground the sides of the Brass stopple. 1678 S. Butler Ladies Answer to Knight in Hudibras: Third Pt. 277 How Dul and Rugged, 'ere 'tis Ground, And Polish'd looks a Diamond? 1704 I. Newton Opticks i. i. 78 Good Workmen who can grind and polish Glasses truly spherical. 1832 G. R. Porter Treat. Manuf. Porcelain & Glass 201 The labour bestowed in grinding and polishing their surfaces. 1837 N. Whittock et al. Compl. Bk. Trades (1842) 353 The Optician executes very little more of the work than fitting in the glasses, after these are grinded. 1888 Sci. Amer. 28 Apr. 258/2 To secure perfect smoothness in motion, each rack and pinion is ‘ground in’. 1895 Boy's Own Paper XVII. 350/3 To make the valves fit tight you should grind them in their seating with a little fine emery and oil. 1903 R. J. Mecredy Dict. Motoring 281 New valves should also be ground on to their seatings. 1905 H. J. Spooner Motors & Motoring 19 Grinding in valves is an operation that had better be left to the trained mechanic. 1916 J. E. Homans Automobile Handbk. xvii. 184 It is necessary in grinding a valve into its seat to place a ball of cotton waste..into the port leading to the combustion space. 1924 A. W. Judge Mod. Motor Cars III. 297 It is usually necessary to grind in the valves whenever the cylinders are decarbonised. 1928 A. W. Judge Car Maintenance 43 After replacing a ground-in valve. 1935 H. Jelley & J. Harrison De Luxe Ford Handbk. xii. 86 It is absolutely essential that each valve is ground into and assembled into the seat from which it was removed. 1935 H. Jelley & J. Harrison De Luxe Ford Handbk. xii. 87 It is always bad practice to grind in a badly pitted valve. 1950 A. W. Judge Motor Vehicle Engine Servicing iv. 55 The valve face..can readily be restored to its original condition by grinding with an abrasive paste on to its seating. 1962 ‘S. Abbey’ Motor-car Maintenance iv. 55 Sooner or later..it will be necessary to remove the cylinder head from the engine to allow.. the valves to be ground-in on their seatings. 1971 B. C. Macdonald Ford Cortina Repairs i. 25 The next step is to grind-in the valves on their seats in the cylinder head. to grind (a valve) in (also into, on to) b. To smooth the surface of (glass, etc.) by friction. Also to grind in: to smooth the surface of (a machine part) by moving it to and fro against the surface with which it is to fit or mate; esp. to make (a valve in a cylinder of an internal combustion engine) fit smoothly and tightly into its seat by rotating it to and fro against the seat with a suitable abrasive paste; occasionally to grind (a valve) in (also into, on to) (its seat). ΘΚΠ the world > space > shape > flatness or levelness > smoothness > make smooth [verb (transitive)] > by grinding grind1651 society > occupation and work > industry > working with specific materials > working with glass > work with glass [verb (transitive)] > specific processes blow1589 grind1651 centre1688 muff1877 muffle1908 society > occupation and work > industry > manufacturing processes > perform general or industrial manufacturing processes [verb (transitive)] > smooth surface planish1622 strip1831 surface1837 grind1888 1651 J. French Art Distillation i. 6 The stopple of Glass ground very smooth. 1660 R. Boyle New Exper. Physico-mechanicall Proem 10 To the inward tapering Orifice of this Ring..are exquisitely ground the sides of the Brass stopple. 1678 S. Butler Ladies Answer to Knight in Hudibras: Third Pt. 277 How Dul and Rugged, 'ere 'tis Ground, And Polish'd looks a Diamond? 1704 I. Newton Opticks i. i. 78 Good Workmen who can grind and polish Glasses truly spherical. 1832 G. R. Porter Treat. Manuf. Porcelain & Glass 201 The labour bestowed in grinding and polishing their surfaces. 1837 N. Whittock et al. Compl. Bk. Trades (1842) 353 The Optician executes very little more of the work than fitting in the glasses, after these are grinded. 1888 Sci. Amer. 28 Apr. 258/2 To secure perfect smoothness in motion, each rack and pinion is ‘ground in’. 1895 Boy's Own Paper XVII. 350/3 To make the valves fit tight you should grind them in their seating with a little fine emery and oil. 1903 R. J. Mecredy Dict. Motoring 281 New valves should also be ground on to their seatings. 1905 H. J. Spooner Motors & Motoring 19 Grinding in valves is an operation that had better be left to the trained mechanic. 1916 J. E. Homans Automobile Handbk. xvii. 184 It is necessary in grinding a valve into its seat to place a ball of cotton waste..into the port leading to the combustion space. 1924 A. W. Judge Mod. Motor Cars III. 297 It is usually necessary to grind in the valves whenever the cylinders are decarbonised. 1928 A. W. Judge Car Maintenance 43 After replacing a ground-in valve. 1935 H. Jelley & J. Harrison De Luxe Ford Handbk. xii. 86 It is absolutely essential that each valve is ground into and assembled into the seat from which it was removed. 1935 H. Jelley & J. Harrison De Luxe Ford Handbk. xii. 87 It is always bad practice to grind in a badly pitted valve. 1950 A. W. Judge Motor Vehicle Engine Servicing iv. 55 The valve face..can readily be restored to its original condition by grinding with an abrasive paste on to its seating. 1962 ‘S. Abbey’ Motor-car Maintenance iv. 55 Sooner or later..it will be necessary to remove the cylinder head from the engine to allow.. the valves to be ground-in on their seatings. 1971 B. C. Macdonald Ford Cortina Repairs i. 25 The next step is to grind-in the valves on their seats in the cylinder head. < as lemmas |
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