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William Q. Tingley III
Bend Tooling Inc.
1009 Ottawa Ave. N.W.
Grand Rapids, MI 49503
800-284-8823
The wiper die’s role and rake
- By William Q. Tingley III
- Apr 3, 2014
- Bending and Forming
- Article
Properly setting up the tooling on a tube or pipe bender can be a straightforward process, but misunderstandings and shortcuts can lead to poor setups. The wiper die’s rake angle is one such setting. Operators should beware that setting the tool to a specific gap at its trailing edge can lead to inconsistent setups.
Selecting the right mandrel and wiper
- By William Q. Tingley III
- Apr 1, 2010
- Tube and Pipe Fabrication
- Article
Tube bender operators could rely on complex mathematical formulas and rules of thumb, but it’s much quicker to use a tooling chart. This sort of chart lists the two main bending criteria, D of bend and wall factor, on the X and Y axis, respectively. However, these charts have just two axes, and usually are based on bending mild steel to 180 degrees. Tube bending comprises many more variables, materials, and bend angles. Knowing how to make adjustments to compensate for additional factors is critical for successful bending.
The right stuff
- By William Q. Tingley III
- Sep 30, 2008
- Tube and Pipe Fabrication
- Article
The best material for a tube bending tool is the most cost-effective in terms of the ratio of tool life to tool cost. A cost-effective tool tends to wear out rather than break at the end of its service life. This article addresses choosing the optimal material for a rotary die tube bending machine's full toolkit.
Setup or cover-up?
- By William Q. Tingley III
- Mar 11, 2008
- Tube and Pipe Fabrication
- Article
Setting up the tooling for a tube or pipe bending machine isn't as simple as it seems. Many variables are involved, making this a difficult task. A further complication is the tendency for many operators to adjust various pressure settings to compensate for poor tooling setup. The bend might turn out okay, but at a cost—a loss of process control and shortened tool life. Using a simple four-step setup process is the key to good bending, process control, and optimal tool life. This setup procedure also facilitates troubleshooting.
The wiper die's feathered edge
- By William Q. Tingley III
- Jun 13, 2006
- Tube and Pipe Fabrication
- Article
The mechanical aspects of rotary draw tube bending haven't changed since modern tooling was developed 50 years ago. Likewise, the role of the tooling (mandrel, pressure die, bend die, and wiper die) hasn't changed. However, tube fabricators these days have many choices in regard to the tooling, especially wiper dies. Choices include material, rake angle, and whether the wiper die's feathered edge is fully machined or honed by hand.
- Podcasting
- Podcast:
- The Fabricator Podcast
- Published:
- 03/19/2024
- Running Time:
- 43:07
Omar Nashashibi, co-founder of The Franklin Partnership and a lobbyist representing manufacturing trade associations, joins The Fabricator Podcast...
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