digplanet beta 1: Athena
Share digplanet:

Agriculture

Applied sciences

Arts

Belief

Business

Chronology

Culture

Education

Environment

Geography

Health

History

Humanities

Language

Law

Life

Mathematics

Nature

People

Politics

Science

Society

Technology

A cylinder with longitudinal draft
Profile view of a drafted cylinder with the draft dimension

In engineering, draft is the amount of taper for molded or cast parts perpendicular to the parting line. It can be measured in degrees or mm/mm (in/in).

Consider the fabrication of a hollow plastic box, without lid. Once the plastic has hardened around the mold, the mold must be removed. As the plastic hardens, it may contract slightly. By tapering the sides of the mold by an appropriate "draft angle", the mold will be easier to remove.

If the mold is to be removed from the top, the box should taper in towards the bottom, such that measuring the bottom internal dimension will yield a smaller length and width than measuring the top from which the mold is extracted.

By specifying the opening length and width, a draft angle, and a depth, it is not necessary to specify the dimensions for the internal surface, as these may be calculated from the above.

The manufacture of a part that incorporates zero or negative angles may require a mold that can be separated into two or more parts, in order to release the casting.

External links[edit]


Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Draft_(engineering) — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
403659 videos foundNext > 

Engineering Technologies: Engineering Graphics and Design/Drafting

Learn about the Engineering Graphics and Design/Drafting program in the Engineering Technologies Division at OSU Institute of Technology in Okmulgee, OK wher...

What is Engineering Drafting and Design?

www.nti.edu or (952) 944-0080 Is an Engineering Design career good for you? Check out this video and ask us any questions you have. We welcome you to schedul...

Submitting a Draft Engineering Competency Claim as a PDP Participant

eChartered tutorial on submitting a Draft Engineering Competency Claim as a PDP Participant.

Boiler ID fan impeller induced draft-Thermal Engineering Corporation,Ghaziabad,Delhi,India

ID fan impeller in sturdy construction, dynamically balanced with heavy cast iron hub, belt driven from 5 HP to 150 HP. We also undertake ID fan & ID fan imp...

DRAFT ENGINEERING VID

DRAFT VIDEO.

Hillman imp shrigley engineering long rod down draft dyno run 04 12

New for 2012 long rod 998cc with bespoke downdraft head, all set for Cadwell park 22nd april.

HOW TO USE DRAFT COMMAND IN PRO-ENGINEERING WILDFIRE 4 & 5 SOFTWARE (DRAFTING A RECTANGLE IN PRO-E)

Rough Draft of African Water Pump Engineering Project Video

Personal Interviews (taken using IPAD mini) need to be added at the end before and after the product being used and the interview of Marcellin.

Final Draft of Engineering Project Technical Video

This video is to capture the best practices involved in making a quality technical video. Please give feedback regarding: Overall Quality Video Clips Transit...

T-REX Engineering + Construction Enbridge Pipeline Repair Draft

403659 videos foundNext > 

46 news items

Vineland Daily Journal

Vineland Daily Journal
Tue, 06 Jan 2015 10:02:30 -0800

23, to the U.S. District Court for New Jersey says FEMA has directed its contracted engineering firms to provide FEMA with any draft engineering reports connected to the approximately 1,500 pending civil cases in the region within 21 days. Those drafts ...

Newsworks.org

Newsworks.org
Tue, 20 Jan 2015 05:52:30 -0800

The agency asked insurance companies being sued torelease their draft engineering reports to ensure the integrity of their claims decisions. Further, it asked Sen. Robert Menendez (D-NJ) to convene a taskforce to look into possible problems with payouts.

Washington Post

Washington Post
Mon, 19 May 2014 08:53:11 -0700

Prince George's County government officials on Monday received a draft of an engineering report about a landslide that triggered evacuations of dozens of homes in Fort Washington this month. Because the document is a draft, officials said, they will ...
 
West Virginia MetroNews
Fri, 14 Nov 2014 10:57:30 -0800

“These competitions and these challenges can take them all the way through their childhood,” said Melissa Thompson, associate professor of civil and draft engineering technology at BridgeValley Community and Technical College in Fayette County.

NJ Spotlight

NJ Spotlight
Sun, 07 Dec 2014 22:11:15 -0800

Although Judge Brown's decision applied only to Long Island and parts of New York City, Fugate asked Write Your Own companies in all Sandy-affected areas -- including New Jersey -- to release all internal, draft engineering reports to policyholders ...

Cherry Hill Courier Post

Cherry Hill Courier Post
Fri, 05 Dec 2014 17:02:15 -0800

A Friday letter from FEMA administrator Craig Fugate to insurers that write policies through the National Flood Insurance Program instructs them to produce these draft engineering reports in all Sandy cases so they can provide a copy to policyholders.

Businessweek

Businessweek
Fri, 05 Dec 2014 17:45:08 -0800

The lawmakers announced yesterday that FEMA will be taking steps to improve flood claims handling, including examining incentives under the program with private companies and urging them to make draft engineering reports available to policy holders.
 
Newsday
Tue, 25 Nov 2014 15:05:38 -0800

An attorney for the Federal Emergency Management Agency Tuesday said the organization was investigating allegations that engineering reports were secretly rewritten after superstorm Sandy to deny claims on government-funded flood insurance policies.
Loading

Oops, we seem to be having trouble contacting Twitter

Support Wikipedia

A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia. Please add your support for Wikipedia!

Searchlight Group

Digplanet also receives support from Searchlight Group. Visit Searchlight