shot-blastn.
A high-speed stream of steel particles directed at a surface to clean and roughen it.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > cleaning > grit-, sand-, or shot-blasting > [noun]
sand-blasting1904
shot-blast1923
shot-blasting1934
grit-blasting1936
1923 Foundry 1 Feb. 13 Have you noticed how the modern shot-blast and grit-blast are replacing the old dust breeding sand-blast?
1934 Foundry Trade Jrnl. 51 340 The barrel..is essentially a contrivance for mechanically exposing every part of the casting or forging to be cleaned to the effect of the shot-blast.
1958 Engineering 21 Mar. 382/3 An airless type shot-blast plant has been installed, to deal with 35 tons of castings a day.
Derivatives
shot-blast v. transitive to subject to shot-blasting.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > cleaning > grit-, sand-, or shot-blasting > [verb (transitive)]
sand-blast1888
shot-blast1937
grit-blast1962
1937 Jrnl. Iron & Steel Inst. 135 160 a (heading) Buick shotblasts large castings automatically.
1959 Times 27 Apr. (Suppl.) p. xi/4 It has first to be shot-blasted to provide an absolutely clean surface.
1977 Exchange & Mart (South ed.) 24 Feb. 19 M/3 One bodiless chassis, stripped, shotblasted, etc. partly reassembled.
shot-blasted adj.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > cleaning > grit-, sand-, or shot-blasting > [adjective] > shot-blasted
shot-blasted1941
1941 W. K. Wilson Pract. Solution Torsional Vibration Probl. (ed. 2) II. vii. 146 Shot-blasted springs are very susceptible to rusting.
shot-blaster n. a person using a shot-blast.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > cleaning > grit-, sand-, or shot-blasting > [noun] > one who
shot-blaster1961
1961 Evening Standard 26 July 18/5 (advt.) Shot blasters & metal sprayers..reqd.
1975 Offshore Engineer Sept. 143/4 A new version of their shot~blaster's helmet has been introduced by Martindale Protection.
shot-blasting n. the use of a shot-blast.
ΘΚΠ
the world > physical sensation > cleanness and dirtiness > cleaning > grit-, sand-, or shot-blasting > [noun]
sand-blasting1904
shot-blast1923
shot-blasting1934
grit-blasting1936
1934 F. W. Partington G. F. Charnock's Mech. Technol. (ed. 2) xxxi. 415 Steel castings are frequently cleaned of both sand and scale by subjecting them to shot-blasting.
1946 Engineer 15 Feb. 152/1 A large-capacity dust extractor, coupled to the shot-blasting chamber, exhausts all the fine dust and sand.
1964 S. Crawford Basic Engin. Processes iii. 87 Prior to bronze welding the joint faces or edges are cleaned by shot blasting.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).
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n.1923