Author: Edward Charles Robert Marks
Publisher:
ISBN:
Category : Cranes, derricks, etc
Languages : en
Pages : 280
Book Description
The Construction of Cranes and Other Lifting Machinery
Author: Edward Charles Robert Marks
Publisher:
ISBN:
Category : Cranes, derricks, etc
Languages : en
Pages : 280
Book Description
Publisher:
ISBN:
Category : Cranes, derricks, etc
Languages : en
Pages : 280
Book Description
The Construction of Cranes and Other Lifting MacHinery
Author: Edward Charles Robert Marks
Publisher: Rarebooksclub.com
ISBN: 9781230186665
Category :
Languages : en
Pages : 56
Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...100 and 101 modifications of the loose path are shown, in one of which (fig. 101) they are formed internally. The pressure of the superstructure of the crane upon the path is sufficient to keep it stationary when slewing or rotating under f ordinary conditions, but should the mechanism be suddenly stopped or started, the additional stress occasioned, instead of breaking the wheel teeth, or causing failure of some other part of the machine, as has so frequently happened where a fixed path is employed, would simply cause the loose path to revolve slightly upon its seat until the shock had spent itself. It will thus be seen that a loose roller path performs very much the same service for a crane that a safety valve does for a steam boiler. Under ordinary working conditions the loose roller path, like the safety valve, does not come into action; but so soon as any undue stress is brought upon the crane, the path yields, as the friction between it and its seating on the base plate is insufficient to resist anything beyond the ordinary stress of working. The loose path has also an advantage in that its occasional movement prevents the rollers from rubbing and wearing it in one place, or upon one small portion only, for in the majority of cases a crane is not often required to swing round in a complete circle, the chief work being confined to an angle of about 90 degrees; so that the path of a fixed crane will be quickly worn down in that one portion only, whilst the movement, in the case of a loose path, will cause the wearing to be equalised and distributed all round the ring; and further, a loose path can be readily renewed at any time, whereas the wearing down of a fixed path would in most cases mean a sacrifice of the whole bed or base...
Publisher: Rarebooksclub.com
ISBN: 9781230186665
Category :
Languages : en
Pages : 56
Book Description
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...100 and 101 modifications of the loose path are shown, in one of which (fig. 101) they are formed internally. The pressure of the superstructure of the crane upon the path is sufficient to keep it stationary when slewing or rotating under f ordinary conditions, but should the mechanism be suddenly stopped or started, the additional stress occasioned, instead of breaking the wheel teeth, or causing failure of some other part of the machine, as has so frequently happened where a fixed path is employed, would simply cause the loose path to revolve slightly upon its seat until the shock had spent itself. It will thus be seen that a loose roller path performs very much the same service for a crane that a safety valve does for a steam boiler. Under ordinary working conditions the loose roller path, like the safety valve, does not come into action; but so soon as any undue stress is brought upon the crane, the path yields, as the friction between it and its seating on the base plate is insufficient to resist anything beyond the ordinary stress of working. The loose path has also an advantage in that its occasional movement prevents the rollers from rubbing and wearing it in one place, or upon one small portion only, for in the majority of cases a crane is not often required to swing round in a complete circle, the chief work being confined to an angle of about 90 degrees; so that the path of a fixed crane will be quickly worn down in that one portion only, whilst the movement, in the case of a loose path, will cause the wearing to be equalised and distributed all round the ring; and further, a loose path can be readily renewed at any time, whereas the wearing down of a fixed path would in most cases mean a sacrifice of the whole bed or base...
The Construction of Cranes and Other Lifting Machinery
Author: Edward C R Marks
Publisher: Literary Licensing, LLC
ISBN: 9781498161831
Category :
Languages : en
Pages : 258
Book Description
This Is A New Release Of The Original 1904 Edition.
Publisher: Literary Licensing, LLC
ISBN: 9781498161831
Category :
Languages : en
Pages : 258
Book Description
This Is A New Release Of The Original 1904 Edition.
The Construction of Cranes and Other Lifting Machinery
Author: Edward Charles Robert Marks
Publisher:
ISBN: 9781375663885
Category : Technology & Engineering
Languages : en
Pages : 276
Book Description
Publisher:
ISBN: 9781375663885
Category : Technology & Engineering
Languages : en
Pages : 276
Book Description
The Construction of Cranes and Other Lifting Machinery
Author: Edward Charles Robert Marks
Publisher:
ISBN:
Category : Cranes, derricks, etc
Languages : en
Pages : 282
Book Description
Publisher:
ISBN:
Category : Cranes, derricks, etc
Languages : en
Pages : 282
Book Description
The Construction of Cranes and Other Lifting Machinery ... Third Edition, Revised and Enlarged
Author: Edward Charles Robert MARKS
Publisher:
ISBN:
Category :
Languages : en
Pages : 260
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 260
Book Description
Notes on the Construction of Cranes and Lifting Machinery
Author: Edward C. R. Marks
Publisher:
ISBN:
Category : Cranes, derrick, etc
Languages : en
Pages : 154
Book Description
Publisher:
ISBN:
Category : Cranes, derrick, etc
Languages : en
Pages : 154
Book Description
The Construction of Cranes and Other Lifting MacHinery - Primary Source Edition
Author: Edward Charles Robert Marks
Publisher: Nabu Press
ISBN: 9781293464137
Category :
Languages : en
Pages : 278
Book Description
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ The Construction Of Cranes And Other Lifting Machinery 3 Edward Charles Robert Marks Technical Pub. Co., 1904 Technology & Engineering; Construction; General; Hoisting machinery; Technology & Engineering / Civil / General; Technology & Engineering / Construction / General
Publisher: Nabu Press
ISBN: 9781293464137
Category :
Languages : en
Pages : 278
Book Description
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. ++++ The below data was compiled from various identification fields in the bibliographic record of this title. This data is provided as an additional tool in helping to ensure edition identification: ++++ The Construction Of Cranes And Other Lifting Machinery 3 Edward Charles Robert Marks Technical Pub. Co., 1904 Technology & Engineering; Construction; General; Hoisting machinery; Technology & Engineering / Civil / General; Technology & Engineering / Construction / General
Rudimentary Treatise on the Construction of Cranes, and Machinery for Raising Heavy Bodies
Author: Joseph Glynn
Publisher:
ISBN:
Category : Conveying machinery
Languages : en
Pages : 172
Book Description
Publisher:
ISBN:
Category : Conveying machinery
Languages : en
Pages : 172
Book Description
On the Construction of Cranes and Other Hoisting Machinery ...
Author: Joseph Glynn
Publisher:
ISBN:
Category : Cranes, derricks, etc
Languages : en
Pages : 144
Book Description
Publisher:
ISBN:
Category : Cranes, derricks, etc
Languages : en
Pages : 144
Book Description