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Articles tagged with "ram"

Results: 23

8 ways to keep your shear in top shape

Improving uptime and reducing maintenance when using shears for high production could mean following a few key steps.

Publish date: April 10, 2001

Tech cell: Shearing


Successful tube hydroforming: Watching parameters, accurately simulating the process yield good results

A typical tube hydroforming system is shown in Figure 1. Within this system, a host of factors must be taken into account, from starting tube geometry and material properties to the quality of the final part (such as thickness distribution and dimensional accuracy).

Publish date: June 15, 2001

Tech cell: Hydroforming


Hydroforming of tubes, extrusions, and sheet

Recent advances at the University of Stuttgart and acfross the industry have opened doors for hydroforming all kinds of materials and shapes.

Publish date: May 15, 2001

Tech cell: Hydroforming


Contract stamper increases die life and draw die productivity: Link-drive presses, value-added services, and employee initiative keep the company competitive

Publish date: November 15, 2001

Tech cell: Press Technology


Experimenting with flexible blank holder force control: Prototype shows promise for difficult-to-form materials

The quality of deep drawn sheet metal products is determined largely by the rate at which a sheet is drawn into a die. Varying blank holder force (BHF) as a function of time or the press stroke is of great importance.

Publish date: July 12, 2001

Tech cell: Press Technology


Equipping Your Press With the Right Tonnage Monitor

This article explains why it's useful to monitor press tonnage, the types of tonnage monitors available, the choices for mounting load sensors, calibrating a monitor, and options available for tonnage monitors.

Publish date: November 15, 2002

Tech cell: Press Technology


Standardizing finger tooling: Modular systems provide alternative to dedicated transfer tooling

Modular, adjustable, articulated finger tooling for transfer presses may provide the flexibility you need to increase productivity and efficiency in your stamping operation.

Publish date: September 4, 2001

Tech cell: Press Technology


Die Design for flat parts: Achieving perfection in a difficult task

Flatness is one of the most difficult part characteristics to achieve in a conventional stamping die.

Publish date: February 19, 2001

Tech cell: Tool and Die


Gettin' down with downtime: Reducing unprofitable die changeover time

Reducing the time it takes to change dies it important to all stampers, especially for custom stampers that run small-quantity jobs. This article summarizes the ways in which automation has helped in this process and then covers two die change methods that are used in a quick change system: the standardized clamping system and the V-notch, or key, system.

Publish date: November 29, 2001

Tech cell: Tool and Die


Die width selection

Publish date: July 24, 2003

Tech cell: Tool and Die


Selecting a pressure system for a stamping die

Author's Note: Before I begin, I would like to take this opportunity to express my sincere thanks to thefabricator.com's readers. I hope you have enjoyed the stamping articles, and I am excited about writing for 2004. I also would like to wish all of you a great holiday season as well as a prosperous and successful year. Best holiday wishes!Art

Publish date: December 11, 2003

Tech cell: Tool and Die


Rolling bolsters bolster productivity

To thrive and experience growth and healthy profits, a stamping company must have systems in place that allow flexible manufacturing and minimize press downtime. Changing from one job to the next in the least amount of time possible is one of the primary factors impacting productivity and a company's ability to adjust to the changing needs of customers quickly and efficiently.

Publish date: January 13, 2004

Tech cell: Tool and Die


Troubleshooting compression bending

You can achieve nearly trouble-free bending by being aware of the causes of typical compression bending problems and by correctly operating and maintaining the compression bender.

Publish date: January 13, 2004

Tech cell: Tube and Pipe Fabrication


Comparing single-cut and dimple-free tube mill cutoffs: When to employ each system

This article covers the application of single-cut and dimple-free cutoff shear technologies as they are applied to contemporary high-speed tube mills.

Publish date: October 25, 2001

Tech cell: Tube and Pipe Production


Can I form a box that deep?

There's no reason you can't form sharp, deep boxes with a press brake consistently. You just have to be familier with what your tooling can and can't do under certain circumstances.

Publish date: July 11, 2002

Tech cell: Bending


The Brakes: Press Brakes and You -- Preventing common mistakes on press brakes

Most common mistakes made while operating press brakes can be avoided with a little diligence and awareness of where others have gone astray.

Publish date: August 16, 2001

Tech cell: Bending


The Brakes- Press Brakes and You -- How to get the most out of your press brake

Problems with your press brake imperil what could be the most valuable machine you have. Take pains to ensure the health of this valuable piece of equipment.

Publish date: June 18, 2001

Tech cell: Bending


Brake Line: Press Brakes and More: Planning to cut corners on safety?

Press brake safety is a common sense issue.

Publish date: February 19, 2001

Tech cell: Bending


The Brakes: Press Brakes and You -- Whose business is safety? Everybody's

What sort of safety measures needed in your shop depends somewhat on your equipment, but making your press brake a safe piece of equipment is largely a matter of old-fashioned common sense.

Publish date: October 11, 2001

Tech cell: Bending


In search of the perfect bend: Advancements in press brake angle measurement and bend springback systems

Press brake manufacturers have made tremendous advances in the art of machine design and manufacturing.

Publish date: August 16, 2001

Tech cell: Bending


Making your own punch and dies

How many times have you looked through huge piles of blueprints for a prototype part or short-run job and thought, "If only I had that tool, this job would be a piece of cake?"

Publish date: May 29, 2003

Tech cell: Bending


New PC-based controls open path to better press brake utilization: Control improvements simplify operator use

Press brake forming always has been a labor-intensive process. Shrinking lead-times and smaller lot sizes demand more frequent setups, which cut into productive output hours and put more pressure on manufacturing efficiencies. Fabricators need to find ways to reduce machine downtime for setup and operator adjustments.

Publish date: November 6, 2003

Tech cell: Bending


Adaptive bending: Achieving accurate first-piece bending results

Adaptive bending allows press brake operators to measure a bend angle during the forming process and feed the information to the numerical control. The article discusses springback and how to determine it and the fact that when air bending, 90 percent of problems result during initial setup, and only 10 percent result from springback. It also discusses using an angle control system, methods of measuring angles, and requirements for angle measurement systems.

Publish date: November 15, 2001

Tech cell: Bending