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What are the principles of pattern making?
Pattern making in reference to foundry production involves making a wooden (generally, however polystyrene, plastic and metal patterns exist as well) relipica of the final product however different in very distinct ways. The difference between a a true replica and that of a pattern is that a pattern is used to make the imprint in either green sand or chemical sand (look up sand casting in google for better explanations) to produce a mould. This mould however must also include things such as core prints so that cores can be inserted. The pattern must factor in taper, contraction (change in size of the metal as it cools in its solid form to room temperature- thus the pattern will be made slightly larger then its final metal product), grain direction is also important in considering what direction the mould goes in and out, and the use of paints in many cases . Taper (essentially sloping a surface) is so the pattern can be removed easily from the sand. If this isnt done or not enough enough taper is applied then the sand mould could be damaged or in the case of chemical sand it could be stuck.
How were Rockefeller's methods for building standard oil different from Carnegie's in building his steel company?
because Carnegie, unlike Rockefeller tried to beat his competition in the steel industry by making the best and cheapest product
What is a dollar plate on a heat exchanger?
A dollar plate on a heat exchanger is a type of heat transfer surface that consists of a thin metal plate with a corrugated pattern on both sides. These plates are typically made of materials such as stainless steel or titanium and are used to increase the efficiency of heat transfer between two fluids. The corrugated pattern helps to enhance turbulence and promote heat exchange, making the overall process more effective and efficient.
What difference between package class and object?
A package is a grouping of similar classes. A class is a blue print for making an object. An object is, well, an object.
Disadvantages of procedural code over an object-oriented one?
A procedural code is * less maintainable * polluting the namespace of variables and methods * making harder to decouple and modularize the code, as such, it is less reusable than an object-oriented one
What has the author James S Daugherty written?
James S. Daugherty has written: 'Sheet Metal Pattern Drafting and Shop Problems' 'Essentials of Sheet Metal Work and Pattern Drafting' 'Sheet Metal Pattern Drafting and Shop Problems' -- subject(s): Sheet-metal work, Patternmaking, Pattern-making
What is the difference between a drafting chair and an executive chair?
Executive chairs and drafting chairs differ mostley due to the height of the chair itself, the drafting chair being tall as in a tall stool making the worker at the drafting table more comfortable being at the same height as his or her working space.
What were somethings the delegates agreed on at the convention?
drafting a new constitution, making a new government and making a plan
What were something the delegates agreed on at the convention?
drafting a new constitution, making a new government and making a plan
Why drafting importance?
Drafting is important Because you have to check if your making mistakes along the way while you are writing your essays. its like proofreading but while your writing your essay.
Which best describes the relationship between the developments of industrial textile-making methods and the factory system?
Industrial textile-making methods helped launch the Industrial Revolution, and the factory system helped it continue to grow.
What was the relationship between the Annapolis convention and the constitutional convention?
They both had to do with making changes to the articles of confederation; resulted in the drafting of the constitution.
What is the best wood to use in making drafting spines?
Use oak tree wood
What role did DrAmbedkra play in the making of the Indian Constitution?
BR Ambedkar was the Chairman of the Constituent Assembly's most important committee the drafting committee. As law minister in Nehru's first cabinet and chairman of the drafting committee,he had the basic responsibility of drafting and piloting India's present Constitution.
What is the advantage of cadd?
The advantage of CAD (Computer-Aided Design) is that it allows for faster, more accurate, and easily editable design and drafting compared to manual methods. It improves productivity, enhances visualization through 2D and 3D modeling, reduces errors, and facilitates easier collaboration and documentation, making it essential in fields like architecture, engineering, and manufacturing.
What has the author Sarah Neve written?
Sarah Neve has written: 'The role of computers compared to the manual methods in pattern grading, marker making and cutting'
When did the Chinese first develop methods for making paper?
During the Eastern Han Dynasty between A.D. 25 to A.D. 234.
