HARSLE AutoBend & AutoFlip

Panel Bender Fully Automatic Sheet Metal Bending

Four sides in one cycle. No tool changes. Minimal operator skill.

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HARSLE AutoBend fully automatic panel bender
  • 100+Countries Served
  • 18+Years Experience
  • 10,000+Machines Delivered
  • 0.2 sPer Bend
  • 3-YearWarranty

Panel Bender Basics

What Is a Panel Bender?

A panel bender is an automatic sheet metal bending machine that clamps the sheet flat on a worktable with a blank holder and forms each flange by moving universal bending blades up or down. A manipulator rotates and repositions the sheet between bends, so all four sides of a panel, box or enclosure are formed in one cycle — without tooling changes and with minimal operator skill.

Fully Automatic Bending for Smart Manufacturing. HARSLE delivers world-class panel benders engineered for consistent, repeatable results with minimal operator skill required, ideal for high-volume sheet metal fabrication and smart factory integration.

AutoBend max. bending length
1400–3000 mm
Max. bending width
1250–1500 mm
Bending height range
4–170 mm
Min. inner radius (min. 2 mm)
2T
Bending angle
0–180°
Max. feeding speed
80 m/min
Bending blades of a HARSLE panel bender forming a sheet metal panel
Compared with a press brake, a panel bender keeps large and thin sheets supported at all times, bends positive and negative flanges, hems and radii with the same tools, and produces identical parts from the first piece to the last.

Our Product Range

Panel Bender Solutions

Expertly engineered for fully automatic bending, high-speed production, and smart factory integration.

HARSLE AutoBend fully automatic panel bender Fully Automatic

AutoBend Panel Bender

Fully Automatic High-Efficiency Series

The pinnacle of HARSLE automatic bending technology, featuring fully automatic operation with minimal operator skill required. Ideal for high-volume production with consistent, repeatable results across complex panel geometries.

  • Fully automatic bending with consistent results
  • Minimal operator skill required
  • High-speed batch production ready
Bending length
1400–3000 mm
Max. bending height
170 mm
Fastest bend
0.2 s
HARSLE AutoFlip automatic panel flipper and bender Smart Automatic

AutoFlip Panel Bender

Automated Panel Handling Series

AutoFlip automates panel turning, positioning, and material handling for efficient sheet metal production. It reduces manual labor, supports stable workflows, and delivers consistent results for high-volume processing.

  • Automatic panel flipping and positioning
  • Reduced manual material handling
  • Reliable high-volume production support
Bending length
1200–2000 mm
Per bend
0.2 s
Bend accuracy
±0.1 mm/m

Working Principle

How a Panel Bender Works

Five automatic steps turn a flat blank into a finished panel — the same sequence for every part, every shift.

  1. 1

    Load and square the blank

    The sheet is placed on the worktable (manually or by robot). Suction cups and the feeding axis square it against the stops automatically, so no operator has to align it against a back gauge.

  2. 2

    Clamp with the blank holder

    The upper and lower pressing blades clamp the sheet along the bend line. The automatic blank holder changer sets the blank-holder length for each part without manual tool changes.

  3. 3

    Bend up or down

    Servo-driven folding blades swing up or down to form positive and negative flanges, hems, return flanges and large radii with universal tooling — no die change between parts.

  4. 4

    Rotate and reposition

    The manipulator rotates the sheet (C axis) and repositions it (X and Y axes) to present the next edge. All four sides of a panel are formed in a single cycle.

  5. 5

    Unload the finished part

    The finished panel is released for unloading or picked by a robot and stacked. The next blank starts immediately, so cycle times stay constant around the clock.

Feeding, rotating and bending axes of a HARSLE panel bender

Key Technologies

Engineered for Precision and Automation

Five systems work together on every HARSLE panel bender. Select one to see how it improves your production.

Automatic blank holder changer of a HARSLE panel bender

Smooth-Swap Process

Automatic Blank Holder Changer

The Automatic Blank Holder Changer streamlines operations by quickly switching blank holders without manual intervention, reducing downtime and optimizing workflow. This automated process ensures consistent part quality and greater production efficiency.

Precision

Blank-holder length is set by the CNC for every part, so clamping is identical from the first panel to the last.

Material Support

The vacuum system holds the sheet securely during bending, preventing shifting and surface marks.

Technical Data

Panel Bender Specifications

All models at a glance. Switch between the AutoBend and AutoFlip series to compare them side by side.

Fourteen AutoBend models in five bending lengths from 1400 to 3000 mm. Standard, Pro and Max differ in sheet capacity; Ultra models add an auxiliary bending tool and repositioning for large four-sided boxes. Filter by length to compare the models side by side.

AutoBend series
14 models
Bending length
1400–3000 mm
Fastest bend
0.2 s
AutoBend panel bender specifications
ParameterAutoBend 1400AutoBend 1400 ProAutoBend 1600AutoBend 1600 ProAutoBend 2000AutoBend 2000 ProAutoBend 2000 MaxAutoBend 2000 UltraAutoBend 2500AutoBend 2500 ProAutoBend 2500 MaxAutoBend 2500 UltraAutoBend 3000 ProAutoBend 3000 Ultra
Max. bending length (mm)14001400160016002000200020002000250025002500250030003000
Max. bending width (mm)12501250125012501250125012501250 (std.) / 1500 (custom)1500150015001250 (std.) / 1500 (custom)15001250 (std.) / 1500 (custom)
Max. bending height (mm)170170170170170170170170170170170170170170
Min. bending height (mm)44444444444444
Min. inner radius (mm)2T, min. 2 (by thickness)2T, min. 2 (by thickness)2T, min. 2 (by thickness)2T, min. 2 (by thickness)2T, min. 2 (by thickness)2T, min. 2 (by thickness)2T, min. 2 (by thickness)(2.0–3.0)×T (by thickness)2T, min. 2 (by thickness)2T, min. 2 (by thickness)2T, min. 2 (by thickness)(2.0–3.0)×T (by thickness)2T, min. 2 (by thickness)(2.0–3.0)×T (by thickness)
Bending angle (°)0–1800–1800–1800–1800–1800–1800–180±1250–1800–1800–180±1250–180±125
Max. thickness — stainless steel (mm)11.511.511.520.4–1.511.520.4–1.520.4–1.5
Max. thickness — carbon steel (mm)1.521.521.522.50.4–2.01.522.50.4–2.020.4–2.0
Max. thickness — aluminum (mm)2.53.52.53.52.53.540.4–3.02.53.540.4–3.040.4–3.0
Min. material thickness (mm)0.30.30.30.30.30.30.30.40.30.30.30.40.30.4
Min. inside size (four-sided) (mm)280×140280×140280×140280×140280×140280×140300×160420×260 (repositioning)300×160300×160300×160420×260 (repositioning)300×160420×260 (repositioning)
System accuracy (mm)0.010.010.010.010.010.010.01±0.120.010.010.01±0.120.01±0.12
Max. bending speed (s/bend)0.20.20.20.20.20.20.20.30.20.20.20.30.20.3
Max. feeding speed (m/min)8080808080808021808080218021
Feeding structurePress-armPress-armPress-armPress-armPress-armPress-armPress-armPress-armPress-armPress-armPress-armPress-armPress-armPress-arm
WorktableBrushBrushBrushBrushBrushBrush + ball transferBrush + ball transferBrushBrush + ball transferBrush + ball transferBrush + ball transferBrushBrush + ball transferBrush
Motor power (kW)354535453875135118 (+4 aux. tool)5295145118 (+4 aux. tool)145145 (+4 aux. tool)
Average working power (kW)1.821.81.81.92.533.522.73.23.53.23.5
Dimensions (L×W×H) (mm)4500×2200×28004500×2200×28005200×2550×28005200×2550×28005500×3200×28005500×3200×28005500×3200×28005400×4400×26506200×3500×28006200×3500×28006200×3500×28006000×5000×26507200×4500×28006800×5600×2650
Weight (kg)10,00012,00011,00013,00012,00015,00018,00020,00013,00016,00020,00025,00023,00030,000

Full specifications, options and drawings: AutoBend panel bender page. Custom lengths are available on request.

Comparison

Panel Bender vs Press Brake

Both machines bend sheet metal. The right choice depends on part size, batch size and how much operator time you can spend per part.

  • Choose a panel benderfor repeat panels, doors, boxes and enclosures where four-sided parts, consistent quality and low labor per part matter most.
  • Choose a press brakefor thick plate, narrow or deep profiles, very long parts and small batches with constantly changing geometry.
  • Use bothin mixed workshops: the panel bender takes the high-volume panels while the press brake handles everything else.
Panel bender compared with press brake
CriteriaPanel BenderPress Brake
OperationFully automatic: the machine squares, clamps, bends and rotates the sheetOperator positions and turns the sheet for every bend
Operator skillMinimal — load blanks and start the programSkilled operator needed for complex parts
Tooling changesUniversal blades; blank holder length set automaticallyPunch and die setups change between part families
Large panelsAll four sides formed in one cycle without lifting the sheetLarge or heavy sheets often need two people or a follower
Surface qualitySheet stays flat on the table, minimal marking on coated materialSheet swings during bending; die marks are more likely
Best fitHigh-volume panels, boxes and enclosuresThick plate, narrow parts and very small batches

Need thick plate or very long parts? See our CNC press brakes or read the full guide Panel Bender vs Traditional Press Brake.

Core Strengths

Why Choose HARSLE

Providing industry-leading panel bender solutions with global support and guaranteed reliability.

Advantage 1Guaranteed Long-Term Performance

3-Year Warranty

“Unmatched coverage for your peace of mind and production stability. We stand behind every panel bender we build with a comprehensive protection plan.”

Full System Protection

36-month warranty covers servo motors, CNC controllers, bending tools, and transmission systems, ensuring your panel bender investment is secure for years.

Swift Replacement

Global spare parts network ensures rapid tooling and component replacement. Most parts dispatched within 24-48 hours.

100% Core Parts

Complete coverage on all critical components including frame, servo systems, bending tools, and control systems for total peace of mind.

24h Response Time

Our technical support team responds within 24 hours to any warranty claim or panel bender troubleshooting request globally.

Selection Guide

How to Choose

Expert insights to help you choose the perfect panel bender for your automated sheet metal fabrication needs.

Panel Bender Model Finder

Enter your largest part and material to get a suggested model in seconds.

Production type

Suggested model

AutoBend 1600

1600 mm bending length · Standard series (up to 1.5 mm carbon steel)

Choose a model slightly larger than your max panel length. Our engineers confirm every selection with your drawings.

Confirm with an Engineer

Model Selection by Sheet Length

The model number indicates max sheet length:

AutoBend 1600 Pro = 1600 mm · Pro series

Number = max. bending length (mm)Pro / Max / Ultra = capacity series

Selection Examples

  • AutoBend 1400Enclosures, small cabinets
  • AutoBend 2000Control panels, mid-size units
  • AutoBend 2500Elevator panels, cabinets
  • AutoBend 3000HVAC units, large panels

Bending Lengths (mm)

Choose the length based on your maximum sheet length, then the series for your thickness.

  • 14002 models
  • 16002 models
  • 20004 models
  • 25004 models
  • 30002 models

Bending Specifications

  • Bending Height: 4mm – 170mm
  • Programming: Fully programmable sequences
  • Geometries: Complex panel shapes supported

Tip: Choose a model slightly larger than your max panel length.

Panel Bender Series Comparison

Understanding the key differences between our panel bender series helps you choose the right model for your sheet metal fabrication requirements.

Each series is rated by the thickest sheet it can bend in each material. Ultra models bend 0.4–3.0 mm sheet and add an auxiliary bending tool with repositioning, so they suit large boxes and factories that switch part families many times per shift.

Stainless steel
1.0–2.0 mm
Carbon steel
1.5–2.5 mm
Aluminum
2.5–4.0 mm
Maximum thickness and use of each panel bender series
FeatureStandardProMaxUltra
Stainless Steel1.0mm1.5mm2.0mm0.4–1.5mm
Carbon Steel1.5mm2.0mm2.5mm0.4–2.0mm
Aluminum2.5mm3.5mm4.0mm0.4–3.0mm
Auto Tool ChangeNot includedNot includedNot includedIncluded
Best ForLight-duty productionMedium-duty productionHeavy-duty productionHigh-mix production
Ideal IndustryElectronics, small enclosuresHVAC, cabinetsHeavy equipment housingsFlexible manufacturing
Price RangeEntry LevelMid RangePremiumPremium Plus

Smart Factory

Automated Production Line Integration

Panel benders combined with robotic material handling create a fully automated production line for smart factory integration. This solution dramatically increases throughput while reducing labor costs and human error.

Click to see automated panel bending production line in action

  • Unmanned operationRobotic loading/unloading for unmanned operation
  • Around the clock24/7 production capability with minimal supervision
  • Stack & sortAutomatic stacking and sorting of finished parts
  • Industry 4.0Integration with ERP/MES systems for Industry 4.0
  • Lower costSignificant reduction in labor costs and human error

Global Footprint

Global Success Stories

Trusted by sheet metal fabrication leaders across 6 continents. See how our panel benders power smart factories worldwide.

HARSLE engineer training a United States customer on a new panel bender

Panel BenderUnited StatesSep 2026

Production-ready in one hour

“The engineer did an excellent job with the installation. In just one hour, I had completely mastered the skill and was ready to start production.”
  • 1 hourFrom training to production
  • On-siteInstallation by a HARSLE engineer
  • Hands-onOperator training on the first runs
“If you are thinking about buying a HARSLE machine now, I think it is well worth the money.”

After on-site installation and hands-on training by a HARSLE engineer, this US fabricator was ready for production within an hour of training.

More stories from the United States

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  • 1,209Shipments published
  • 118Destination countries
  • 121Customer stories
  • LiveUpdated as we ship

FAQ

Frequently Asked Questions

Get answers to common questions about panel benders and HARSLE automation equipment

Ask our engineers

What is a panel bender?

A panel bender is an automatic sheet metal bending machine that clamps the sheet flat on a worktable with a blank holder and forms flanges by moving universal bending blades up or down. A manipulator rotates and repositions the sheet between bends, so all four sides of a panel are formed in one cycle with very little operator involvement.

What size panel bender do I need?

Required capacity depends on your maximum panel length. For example, the AutoBend 1600 can process panels up to 1600mm in length.

Use our model naming system: the number indicates max processing length in mm. Always select a model slightly larger than your maximum panel size.

What's the difference between Standard, Pro, Max, and Ultra series?

Standard models (e.g. AutoBend 1400) handle 1.0 mm stainless / 1.5 mm carbon steel / 2.5 mm aluminum. Pro handles 1.5 mm / 2.0 mm / 3.5 mm (AutoBend 3000 Pro: 2.0 / 2.0 / 4.0 mm). Max handles 2.0 mm / 2.5 mm / 4.0 mm for heavy-duty work. Ultra covers 0.4–1.5 mm stainless, 0.4–2.0 mm carbon steel and 0.4–3.0 mm aluminum and adds an auxiliary bending tool with repositioning for large four-sided boxes and high-mix production.

What is the maximum bending length and height of a HARSLE panel bender?

The AutoBend series covers bending lengths from 1400 mm (AutoBend 1400) to 3000 mm (AutoBend 3000 Pro / Ultra). Bending width is 1250 mm (1500 mm on AutoBend 2500 and 3000 models), maximum bending height is 170 mm and minimum bending height 4 mm on every model. The bending angle is 0–180° (±125° on Ultra models), the minimum inner radius is 2T (min. 2 mm) and the fastest bend takes 0.2 s. The AutoFlip series covers 1200–2000 mm with up to 80 mm bending height.

What is the difference between AutoBend and AutoFlip?

AutoBend is the full-size, fully automatic panel bender for large panels and boxes up to 3000 mm long. AutoFlip is a compact automatic bending cell that flips and positions the sheet itself — about 0.2 s per bend with ±0.1 mm/m bend accuracy — for smaller parts up to 2000 mm long and 600 mm wide.

How accurate is a HARSLE panel bender?

HARSLE panel benders achieve bending angle accuracy of ±0.5° and positioning accuracy of ±0.1mm. The advanced servo system and automatic compensation ensure consistent bending quality across all parts in a batch.

What materials can be bent on a panel bender?

Stainless steel, carbon steel, aluminum, and galvanized steel. Material thickness depends on your series choice – from 1.0mm to 2.0mm stainless steel, and up to 4.0mm aluminum. Pre-painted and coated materials can also be processed with minimal surface marking.

What are the advantages of a panel bender over press brakes?

Panel benders offer fully automatic operation requiring minimal operator skill, higher production speed, consistent quality without human error, ability to create complex geometries in a single setup, and can replace multiple press brakes in high-volume applications.

How long does it take to set up a Panel Bender?

HARSLE Panel Benders are designed for fast setup, often reducing setup time by 20-30% compared to traditional bending methods. Quick adjustments and automatic functions streamline the process.

How quickly can an operator learn to run a HARSLE panel bender?

Quickly — the graphical controller and automatic bend-sequence calculation mean operators do not need press brake experience. After installation and training by a HARSLE engineer in September 2026, a customer in the United States reported: “In just one hour, I had completely mastered the skill and was ready to start production.”

What programming systems are available?

Our panel benders feature intuitive touch screen programming with automatic bend sequence generation. Offline CAD/CAM programming is available for complex parts. The system can import standard file formats and automatically calculate optimal bending sequences.

How long do the bending tools last?

Tool life depends on material and volume. With proper maintenance, bending tools can last for millions of bends. We use hardened steel tooling and offer quick-change systems. The Ultra series features automatic tool changing for even greater efficiency.

What maintenance is required for a Panel Bender?

Regular maintenance includes checking tooling for wear, lubricating guides and other moving parts, and inspecting the drive and vacuum systems. HARSLE provides detailed maintenance guidelines and ongoing support to ensure optimal machine performance.

What is the typical delivery time?

Standard panel benders are typically ready for shipment within 8-12 weeks. We can expedite delivery for urgent projects. Robot integration and automation systems may require additional lead time for customization.

What warranty does HARSLE provide?

All HARSLE panel benders come with a comprehensive 3-year warranty covering the servo system, electrical components, CNC controller, bending tools, and frame structure. We also offer extended warranty packages.

Does HARSLE provide on-site installation and training?

Yes, we offer professional on-site installation and comprehensive operator training globally. Our technicians will ensure your team is fully capable of operating the machine, programming bending sequences, and performing routine maintenance.

Is remote technical support available?

Yes, we provide 24/7 remote technical assistance via video calls, TeamViewer, and our dedicated multilingual support portal to resolve 90% of panel bender operational queries instantly.

Can HARSLE panel benders be integrated with robots?

Yes, our panel benders can be integrated with robotic material handling for fully automated production lines. This includes automatic loading, unloading, stacking, and sorting. The system integrates with ERP/MES for Industry 4.0 smart factory operation.

Get Started

Request a Quote

Our engineering team is ready to help you find the perfect panel bender solution

  • Machine SelectionModel, series and options matched to your parts
  • Technical SupportBend feasibility checked on your drawings
  • Detailed QuotationPrice, lead time, shipping and installation
  • 24-Hour ResponseA real engineer replies within one business day

Tip: mention your material, thickness, largest part size and yearly volume for the most accurate quote.