CapKshallbetaperedfromitscentretowardsitsperiphery.docVIP

Cap 45K shall be tapered from its centre towards its periphery二 摘要：本文主要介绍了Cap 45K shall be tapered from its centre towards its periphery的主要内容。 (4) The speed of every air driven spindle on which an abrasive wheel is mounted shall be controlled by a governor or other device so that the speed of the spindle does not at any time exceed the maximum working speed specified for that spindle in accordance with paragraph (1). (5) Every governor and other device used for controlling the speed of an air driven spindle on which an abrasive wheel is mounted shall be properly maintained. Cap 59L reg 7 Mounting (1) Every abrasive wheel shall be properly mounted. (2) An abrasive wheel shall not be mounted except by a person who- (a) has been appointed in writing for that purpose by the proprietor of an industrial undertaking; and (b) is, by reason of training and practical experience, competent to perform that operation. Cap 59L reg 8 Provision of guards (1) Except as provided in paragraph (2), a guard shall be provided and kept in position at every abrasive wheel in motion. (2) Paragraph (1) shall not apply to an abrasive wheel where, by reason of the work being done, or of the work which is ordinarily done (or, in the case of a new wheel, is intended ordinarily to be done), or the nature of the wheel, the use of a guard is impracticable. Cap 59L reg 9 Construction, maintenance, etc., of guards Every guard provided in pursuance of these regulations shall- (a) so far as is reasonably practicable, be of such design and construction as to contain every part of the abrasive wheel in the event of fracture of the abrasive wheel or any part thereof occurring while the abrasive wheel is in motion; (b) be properly maintained and so secured as to prevent its displacement in the event of fracture; and (c) enclose the whole of the abrasive wheel except such part as is necessarily exposed for the purpose of work being done at that abrasive wheel or, where a guard which is not adjustable is u