The days of controlling deflection using stacked cardboard, gum wrappers or any other type of makeshift shim are over, according to Wilson Tool International. The company has introduced Express Crowning, a new system to help control deflection or “the canoe effect” in press brake applications over four feet long.
The new Express Crowning system gives fabricators the flexibility to fine tune the deflection compensating curve of the unit to overcome the nuances built into the machine. Press brake operators can now crown the lower beam with manual or electric options and secure dies with manual or hydraulic power.
Express Crowning features & benefits
General
- Durable body hardened to 28-32 RCS
- Mounting available for all types of press brakes — OEM bolt down design & Aftermarket mounting options for American and European style press brakes
Secure Die Clamping
- Compatible with WT and American Style Tooling
- Hydraulic clamping system — Adjust with a remote control or CNC direct to machine control — 8 mm (.315 in.) diameter pins hold dies every 21.25 mm (.837 in.)
- Manual clamping systemo — set screws to hold dies every 25 mm (1.00 in.)
Precise Adjustments & Quick, Repeatable Crowning
- Macro crown up to 2 mm (.079 in.) – 3mm (.118 in.), depending on length
- Micro crown at 200 mm (7.87 in.) intervals up to .5 mm (020 in.)
- Adjust with a basic hand crank with digital readout or an electric motor driven by the CNC machine control
This article was originally published in Shop Metalworking Technology. (July 31, 2017)