3" Automatic Mandrel Tube Bender
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Ercolina’s TB80 Mandrel Bender is ideal for prototype or small production mandrel bending applications. Model shown with standard 13′ table. Optional 21′ table extension is available.
Standard Features
- Control swings out to offer easy access to manual and auto operating modes, system diagnostics and multiple languages
- Unlimited storage of bend programs, material library and job information (optional)
- Touch screen displays absolute (ABS) or incremental (INC) positioning with inch or metric readout
- Programmable C axis with manual Y and B positioning
- Variable bending speed to 3 RPM with overload protection
- Programmable bend angle 0 to 180°
- Individual material springback and speed settings for every bend angle
- Anticipated mandrel retraction, clamping, pressure die and boost die movements
- Pressure die with auto recapture minimizes distance between bends
- Heavy duty tailstock carriage with segmented collet hydraulic clamping of work piece
- Tailstock Y and B position display resets to zero after each bend for easy setup while maintaining absolute position
- Bending head adjusts horizontally to maintain centerline radius of former allowing table to remain stationary
- Patented finger style (FST) clamping system minimizes distance between bends
- Direct drive electro-mechanical bending axis
- Precision encoders on all axes for greater repeatability
- Heavy one-piece steel structure improves rigidity and minimizes vibration
- Externally mounted gauges for adjustment of system and clamping pressure
- Accepts standard 030 mandrel tooling
- Programmable internal lubrication available
- Y – Feeding manual with adjustable stops
- B – Feeding manual with adjustable stops
- C – NC programmable bend angle
Specifications and Capacities
- Mild steel tube capacity 3″ (.125 wall)
- Stainless tube capacity 3″ (.083 wall)
- Square tube capacity 2½” (.083 wall)
- Pipe capacity to 2½” Sch. 10
- Maximum bend radius 11.8″
- Minimum Bending Radius 1.5 x Ø
- Maximum Bending Angle 180°
- Maximum Tailstock Through Capacity 3″
- Maximum Material Length – standard table 13′ Optional Table Extension 21′
- Precision of Bend Angle +/- 1°
- Power Three Phase 220V or 480V Dimensions
- (Height x Width x Length) 61″ x 36″ x 179″ or 251″
- Weight (13′ or 21′ table) 2,000 lbs. or 2,600 lbs.
