Used Bending Roller for sale (10,847)

Year of construction: 2024, condition: new, MRB-S Series Technical data (see pictures) Standard equipment CE Conical bend Motorized back roller Additional control panel for upper and lower rollers which are operated with landing gear. SAE 1050 steel rollers Induction hardened rollers, Relaxed steel construction, at 2.5 and 3m Machine supports, brake system for precise bends, Digital display. Motorized back roller with puller Optional equipment Motorised under-roller mounting, ground rollers Extended rolls for profile bends, Special rollers for profile bending, Special packaging for Nkedpfx Ahsfin E De Rew international deliveries. MRB series: Technical data (see pictures) Standard equipment CE standard Digital display Conical bend Motorized back roller with tightening Additional control panel for upper and lower rollers, which are operated with landing gear. operated by landing gear. SAE 1050 steel rollers, Induction hardened rollers, Relaxed steel construction, Braking system for precise bends. Optional equipment Motorized bottom roller with suit, stone rollers Extended rolls for profile bends, special rollers for profile bending, Special packaging for international Programmes Everything is configurable on demand, very short production & delivery time. We will be happy to provide you with further information on request. Durma Maschinen GmbH is part of the internationally successful Durmazlar Group, which exports new, high-quality sheet metal working machines all over the world and is headquartered in Türk

Year of construction: 2024, condition: new, Bending capacity: 6 mm Bending: 5 mm Nkjdpfjftdh Iox Ah Rsw Bending capacity: 6 mm Bending: 5 mm Bending length: 2,030 mm roller diameter: 170 mm Engine power: 4 kW Length: 3.600 mm Width: 1,020 mm Height: 1.120 mm Weight: 2.400 kg The machine can be viewed and demonstrated at any time by appointment in our demonstration centre in Staufenberg. Further machines are ready for demonstration at our premises in Staufenberg. We will be happy to provide you with further information on request.

Year of construction: 2024, operating hours: 32 h, condition: new, Make: DURMA Type: AD-S 30175 Year of construction: 2020* bending length: 3050 mm Press force: 1750 kN Control: DELEM DA-66T Operating hours: 32 h Controlled axes Backgauge: X,R,Z1,Z2,+Delta X +/- 125 mm CNC controlled passage between the uprights: 2600 mm stroke length: 265 mm Installation height: 530 mm table width: 104 mm table height: 900 mm Stands projection: 410 mm travel range X-axis: 650 mm traverse speed X-axis: 500 mm/s travel range R-axis: 250 mm infeed speed: 160 mm/s folding speed: 10 mm/s Retraction speed: 100 mm/s Dimensions L/W/H: approx. 4250x1700x2750 mm Weight: approx. 11500 kg Standard equipment Y1,Y2,X,R - X=650 mm Control: CNC Cybelec ModEva 19T - PC 1200 3D SW D-BEND 3D CAD/CAM import & simulation program CNC controlled motor-driven crowning European tool clamping system 60 mm die holder (only for European die system) Throat 410 mm 2 support arms movable from the front with T-slot and tilt stop Backgauge system: Siemens DC Servo motorized with linear guide and ball screw Protective covers CE Marking Extended equipment Safety system CE standard for EU: FIESSLER AKAS-3P motorised+FPSC (SAFETY PLC) Controlled axes Backgauge: X,R,Z1,Z2,+Delta X +/- 125 mm CNC controlled Control: DELEM DA-66T Hydraulic top tool clamping Wila NSCL-II-HC/UPB - PREMIUM - 250 t/m Hydraulic bottom tool clamping Wila NSCR-II-HC-CNC/UPB - PREMIUM - 300 t/m Nkedpfodx Nluox Ah Rew Powerpack for hydraulic clamping AP3-AP4 Bending aid -

Year of construction: 2024, condition: new, Control unit - with NC control Conical bending device Side roll positioning electronically synchronized via PLC Safety mechanism for welding (welding possibility) on the machine Machine body made of stress-relieved annealed steel 4 roll drive system - upper, and lower roller with hydraulic motor driven synchronized via planetary gear (ᐳ 430 mm) Electrical and hydraulic protection against overloads Hydraulically adjustable lower roller pressure Hydraulic roller brake, prevents the sheet from slipping back Hydraulic swinging out of the upper roller bearing, for easy removal of the formed sheet Safety wire Induction-hardened rollers (HRC 54), crowned ("crowning"). Variable speed Bending length: 2050 mm Bending capacity: 13 mm (d x 5) Bending capacity: 10 mm (d x 1.5) Top roll: 230 mm Bottom roll: 210 mm Maximum roll width: 30 mm Length: 3830 mm Width: 1160 mm Height: 1200 mm Motor power: 11 kW Weight: 4700 kg Nkedpfxsdzzyfs Ah Row

Condition: new, bending length: 4100sheet thickness: 25upper roll diameter: 460motor: 22messurements (LxWxH): 7200 x 2500 x 2200 mmweight approx.: 31000sheet length: 4100CY3R-HHS 460-40/25 – 3-Roll Hydraulic Plate Bending Machine Cone bending device for precise bending Induction-hardened rolls for long-lasting durability Digital display on both side rolls Robust machine body made of ST-52 steel construction Separate control panel for convenient operation All rollers mounted on bearings for smooth performance Drop end controlled from the control panel, allowing easy release of bent metal sheets and lifting of the upper rolls Nkodpfx Aed Ab Spsh Row Roll movement and parallelism adjustment fully controlled via the control panel All rolls driven by separate hydraulic motors with planetary gearboxes CE-compliant, meeting European safety standards

Condition: new, sheet length: 2100sheet thickness: 40prebending: 30Upper Roll Diameter: 390Side Roll: 360motor: 22messurements (LxWxH): 4900 x 1950 x 2200weight approx.: 17000 Technical specifications: - Hardened and polished rolls - Conic bending device - Digital readout for side rolls - Complete body made of ST-52 Steel - Portable control panel separated form machine - Rolls are mounted with bearings - Top roll cover, openable and closeable by hydraulic, controlled from control panel. - All rolls are driven by hydraulic motor and planetary gearbox - Side rolls upwards downwards movements are hydraulic powered Options: - variable rotation speed EURO 3.682.00 Material feed table on request Oil cooler EURO 1,040.00 Njdpjd Ab Sysfx Ah Rokw Center support EURO 11.900,00 Side supports EURO 8.250.00 We have many references!

Condition: used, Neue Farbübertragswalze, Neue Feuchtauftragswalze und Neue Feuchtdosierwalze New Ink Transfer Roller, New Dampening Form Roller and New  Dampening Roller Neue Farbübertragswalze, Neue Feuchtauftragswalze und Neue Feuchtdosierwalze für Heidelberg SM XL 105 New Ink Transfer Roller, New Dampening Form Roller and New  Dampening Roller for Heidelberg SM XL 105 Nkedpfx Asyuy Najh Rjw 0902004 A 1812 (x5) - Neue Farbübertragswalze / New Ink Transfer Roller - Sach Nr. F2.009.120F/07 - Kennz. ROT 0902014 A 1405 (x2) - Neue Feuchtauftragswalze / New Dampening Form Roller - Sach Nr. F2.030.301F/05 - Kennz. OHNE 0902014 A 1404 (x1) - Neue Feuchtauftragswalze / New Dampening Form Roller - Sach Nr. F2.030.301F/05 - Kennz. OHNE 0902014 A 1411 (x1) - Feuchtauftragswalze - Sach Nr. F2.030.301F/05 - Kennz. OHNE 0902012 A 1405 (x1) - Feuchtdosierwalze Pro Aqualis - Sach Nr. F2.030.510F/03 - Kennz. OHNE Online-Video-Inspection by WhatsApp - MS Zoom - Telegram On Stock Emskirchen/Nürnberg - Available Immediately - Can be test

Condition: new, Fully automated system Energy saving Industry 4.0 Durma Cloud Fiber Laser Technology Nkedpfeg Adn Ijx Ah Row Environmental awareness Synchronous minimum working range High precise repeatability High process accuracy Compact layout Low noise level Simple and fast installation On request we will send you information material

Condition: new, Year of construction: 2024, PB 4 Bending centre With the Durma bending centre you get flawless results with maximum speed and safety, fully automatic tool change and minimum set-up time. The Durma bending center with its strong machine body, excellent precision, ergonomic design and its multiple bending functions, will occupy an important place in your operation. The combinations that we can technically apply in punching and laser machines allow maximum time saving in your production processes. Our developed smart consumption, operator independent standard production and Durma CNC bending center, which is manufactured according to stable thermal condition works, offers you the possibility to make profits against the increasing energy costs. Durma bending center performs simple and complex bending operations of sheet materials with thickness between 0.5 and 4 mm fully automatically. With its user-friendly, easy-to-use interface and software that simplifies part programming, this product will be your solution partner. Technical data: Maximum bending length: 2800mm Njdog Adi Rjpfx Ah Rskw Minimum bending length: 350mm Maximum sheet input length: 3050mm Maximum sheet input width: 1524mm Minimum bendable width: 150mm Maximum bending height: 254mm Maximum bending depth: 50mm Maximum sheet rotation circle: 3300mm Bending force: 500 KN Compressive force: 1000 KN Maximum plate thickness: For Fe 410 N/mm2 Material: 3.2 m

Condition: new, square edge steel 20x20 / 25x25 mm flat steel 100 x 7.0 mm round bar steel 22.0 / 27.0 mm L-beam 100 x 10 mm weight of the machine ca. 33.0 kg. range L-W-H 900 x 430 x 310 mm Features - For precise cold and hot bending of flat, round and square steels - Sturdy design for bolting to the workbench - Infinitely adjustable bending stop - With eccentric quick clamping for efficient working - Readable bending angle up to 120 - High repeat accuracy thanks to bending angle stop - Ideal for repair workshops and locksmiths Nodpfx Ahoxcuyhj Rskw - - - - - Bending performance "cold" : Flat steel 100 x 7 mm 65 x 12 mm Round steel 22.0 mm Square steel 20 x 20 mm Angle steel 100 x 10 mm - - - - - Bending capacity "hot" : Flat steel 100 x 15 mm 75 x 20 mm Round steel 27.0 mm Square steel 25 x 25 mm Angle steel 100 x 15 mm - - - - - Scope of delivery - Bending plate - Angle stop stepless - Clamping block with eccentric clamp - Material stop

Condition: used, Year of construction: 2009, operating hours: 670 h, 2009 | Bomag BW 80 AD | Used Tandem Roller | 670 hours 📍Location: Austria 🚛 Delivery available to your destination – Use our shipping calculator to estimate transport costs! 💰 Buy Now for EUR 6200 or Make an Offer. Payment at delivery available for an affordable fee (subject to approval)* 👷‍♂️ Inspected by an independent expert 37 inspection points 33 approved ✅ 1 imperfect ℹ️ 3 issues ⚠️ 📌 Inspector's Comment: Engine needs attention, eater spray partly removed, unable to try out the vibration… 📄 Want to see the full inspection, extra photos, or a video? Tip: The reference "40012 Equippo" is commonly used when looking up more details online. Nodsyhpr Rjpfx Ah Rskw 💡 Why this machine and our service stands out: ✔ Thorough inspection by professionals ✔ Jobsite delivery available ✔ Money-Back Guaranteed ✔ Secure and flexible payment options 🔄 Considering other equipment options? We offer helpful tools and resources for all equipment owners and operators – easily accessible on our platform.

Condition: used, Year of construction: 2011, operating hours: 3,725 h, 2011 | Bomag BW 332 DEEP Impact | Used Single Drum Roller | 3725 hours Nodpfx Aheyux Eyj Rekw 📍Location: Germany 🚛 Delivery available to your destination – Use our shipping calculator to estimate transport costs! 💰 Buy Now for EUR 138500 or Make an Offer. Payment at delivery available for an affordable fee (subject to approval)* 👷‍♂️ Inspected by an independent expert 43 inspection points 30 approved ✅ 13 imperfect ℹ️ 0 issues ⚠️ 📌 Inspector's Comment: Fully functional, some service backlog. 📄 Want to see the full inspection, extra photos, or a video? Tip: The reference "38821 Equippo" is commonly used when looking up more details online. 💡 Why this machine and our service stands out: ✔ Thorough inspection by professionals ✔ Jobsite delivery available ✔ Money-Back Guaranteed ✔ Secure and flexible payment options 🔄 Considering other equipment options? We offer helpful tools and resources for all equipment owners and operators – easily accessible on our platform.

Condition: excellent (used), Pipe bending machine Rothenberger system Bending capacity: 2 7 bending dies for pipes 3/8 - 1/2 - 3/4 - 1 - 1 1/4 - 1 1/2 - 1 3/4 - 2 Footprint: Width: 630 mm Length: 680 mm Transport case dimensions: Nodoyv A H Eopfx Ah Rekw Width: 700 mm Depth: 300 mm Height: 360 mm Weight: 80 kg

Condition: excellent (used), CATALOG NUMBER 7918 TECHNICAL DATA - Max. saw blade diameter: 450mm - Spindle diameter: 30mm - Pneumatic top clamp - Blade guard - Blade guard also functions as a hold-down clamp - Pneumatic blade feed - Cutting height (at 250mm width): 120mm - For lower cutting heights, the cutting width is increased - Main motor power: 6kW Nsdpoyrr R Dofx Ah Rekw - Extraction nozzle diameter: 120mm - Table dimensions (LxW): 650x850mm - Table height from base: 1000mm - Roller tables: - Infeed roller table + stop: 3180mm - Outfeed roller table + stop: 2450mm - Roller width: 360mm - Operating pressure: 8 bar - Overall machine dimensions (without roller tables) LxW xH: 1300x1050x1800mm - Weight: 550kg FEATURES – 2 roller tables – Pneumatic blade stroke – Used saw, in perfect condition Net price: 14,900 PLN Net price: 3,550 EUR (based on EUR rate of 4.2) (Prices may change with significant rate fluctuations)

Condition: used, Electric sheet metal bending machine, Working width: 2000 mm, Max. thickness: 3-4 mm, Nkodpfx Aheyw I E As Rew Top clamping beam manually adjustable, Bending angle of material adjustable electrically.

Condition: used, Year of construction: 2025, total length: 1,300 mm, total height: 1,400 mm, total width: 800 mm, Empty weight: 800 kg Price: On request - Year: 2025 - Documentation available: Yes - CE marking present: Yes - CE certificate present: Yes - Serial number: HB10011N2025006 - Operating hours: 0 - Control: Teach-in - Motor power: 4.0kW Nedpfxexixrue Ah Rskw - Transport dimensions: 1300mm x 800mm x 1400mm (l x w x h) - Transport weight [kg]: 800kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: used, Year of construction: 2025, total length: 1,200 mm, total width: 800 mm, total height: 1,800 mm, Empty weight: 450 kg Price: On request - Year: 2025 - Documentation available: Yes - CE marking present: Yes - CE certificate present: Yes - Serial number: PB12093N2025005 - Operating hours: 0 - Drive system: Conventional Nkodsxixrhjpfx Ah Row - Number of rolls [pcs.]: 3 - Power [kW]: 1.5 - Shaft diameter [mm]: 155 - Capacity diameter round [mm]: 50 - Transport dimensions: 1200mm x 800mm x 1800mm (l x w x h) - Transport weight [kg]: 450kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: used, Year of construction: 2003, total length: 3,000 mm, total height: 1,700 mm, total width: 1,000 mm, Empty weight: 1.000 kg Price: On request - Year: 2003 - Documentation available: Yes - └ Type Documentation: Technical data - CE marking present: Yes - CE certificate present: No Nkodpfjxwuwvjx Ah Rjw - Serial number: 30058 B - Max. working width [mm]: 1320 - Min. throughput height [mm]: 3 - Max. throughput height [mm]: 100 - Number of rolls [pcs]: 2 - Transport dimensions: 3000mm x 1000mm x 1700mm (l x w x h) - Transport weight [kg]: 1000kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: used, Year of construction: 1996, material width 500 mm material thickness 0,3 - 3,0 mm no. of straightening rolls 5 straightening roll diameter 40 mm number of draw-in rolls 2 Nsdpfx Ahovuum No Rskw diameter of draw-in rolls 80 mm material cross-cut 600 mm² material thickness at 500 mm material width 1,2 mm material thickness at 200 mm material width 3,0 mm power requirement 4,0 kW weight 2,0 t dimensions (WxDxH) 1,5 x 1,5 x 1,9 m with motor, upper straightening rolls individually manually adjustable, neumatic adjustment of the infeed rolls, coil loop control via ultrasonic sensor as is where is, WITHOUT putting into operation

Condition: new, neu ca. 8 Wochen ab Auftragse Deutschland 4479 € 3000 mm 820 - 940 mm 300 kg/m 350 mm 63 x 3 mm 15 mm 2550 mm 250 mm digital readout adjustment by handwheel pneum. brake material depth stop with 12 times ball bearings on generous large dimensioned guiding profile FURTHER LENGTHS: 2 meter € 3.720,- 4 meter € 5.206,- OPTIONS: Measuring systm with 1/10 mm readout Z 58 with magnetic polring and sensorhead SZ 09 € 861,- material depth stop arm sprung and adjustabel up to the mechanical zero (man. dischargeable by eccentric lever SZ 05 € 515,- pneum. arm retraction (10 mm discharge stroke) of sprungmaterial depth stop (SZ 05) SZ 07 € 430,- cover plate between the carrier rollers, galvanized per running meter SZ 06 Nksdpsyq Spksfx Ah Row € 119,- FURTHER LENGTHS AND ROLL WIDTHS ON REQUES.

Year of construction: 1973, condition: like new (used), Used BRONX Heavy Duty Initial Pinch Pyramid bending rolls. Year of manufacture : 1973. MACHINE FORMERLY INSTALLED AT ROLLS ROYCE PLC IN DERBY UK. IMMEDIATELY FOR SALE AND NOW LOCATED IN BELGUIM WHERE IT CAN BE INSPECTED. SPECIFICATION CAPACITY Two sets of dimensions which are shown below as "Prebending & Rolling" and then "Rolling only". Material Mild Steel Mild Steel Tensile strength 28/32 tons/sq.in 28/32 tons/sq.in Maximum width 11’(3350mm) 11’(3350mm) Maximum thickness at this width 2” (50mm) 2½” (63.5mm) Minimum inside diameter of rolled cylinder at maximum capacity 30’ (762mm) Nodpfx Aheh U Rzgs Rekw 37 ½’ (953mm) Maximum thickness of plate when hot rolling (finished rolling temperature 850° C.) 4” (102mm) 5” (127mm) Minimum inside diameter of rolled cylinder at maximum capacity hot rolling 40” (1016mm) 50” (1270mm) MAIN PARTICULARS Diameter of all rolls - 27” (686mm) Body length of rolls - 11’2”(3403mm) Rolling speed - 12 f.p.m. (3600mm/min) Main drive motor - 150 H.P. Slip Ring Type Two bottom roll adjusting motors, each - 50 H.P. Slip Ring Type Combined operation of swing down bearing and top roll counterbalance - Hydraulically applied Hydraulic power pack motor - 10 H.P. Electrical equipment to be suitable for operation on a supply of - 400/440 volts, 3 phase, 50 cycles CONE ROLLING ATTACHMENT: To facilitate the rolling of taper or conical forms, a skid plate is fitted to the inside of the non-drive end housing. ELECTRICAL EQUIPMENT Motors: Main Drive - 150 H.P. half hour rated – slip ring screen protected – foot mounted type. Bottom Roll Adjustments - 50 H.P. half hour rated – slip ring screen protected – foot mounted type. Hydraulic Power Pack Motor - 10 H.P. continuously rated – Squirrel cage – screen protected – foot mounted type. Control Gear: Main Drive - Drum type reversing control gear with 5 minute rated wire wound resistances, designed to pass 100% full load on the first notch or operating position in each direction. The controller will be fitted with off position interlock and limit switch rings where necessary. Bottom Roll Adjustments - Drum type reversing control gear with 5 minute rated wire wound resistances designed to pass 100% full load on the first notch or operating position in each direction. The controllers will be fitted with off position interlock and limit switch rings where necessary. Hydraulic Power Pack - Direct-on-line contactor type starter, operated from a maintaining type push button station. Solenoid valves for operating cylinders are push button operated. Note: Full protection to be provided for all the above control gear by a circuit breaker, incorporating overload and no-volt protection. FEATURES AND EQUIPMENT Spare Roll included with the machine. LENGTH TBA MM WIDTH TBA MM HEIGHT TBA MM WEIGHT 95 tonnes NOTE: The information contained herein is provided in good faith, but however due to unforeseen errors or omissions cannot be binding as to accuracy.

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 134000 € 2532.6 € 3100 mm 25 mm 25 mm 20 mm 20 mm 20 mm 16 mm 360 mm 360 mm 270 mm 60 mm 1510 mm 22 kW 5560 mm 2060 mm 2050 mm 16750 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls conical bending device hydraulic drop-end bearing moveable control panel Nodpsypbquefx Ah Rokw overload protection user manual in GERMAN or ENGLISH according to CE rules OPTIONAL: NC control upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 70300 € 1328.67 € 3100 mm 8 mm 8 mm 6 mm 6 mm 5 mm 240 mm 240 mm 190 mm 825 mm 11 kW 4880 mm 1160 mm 1200 mm 6450 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls conical bending device hydraulic drop-end bearing moveable control panel overload protection user manual in GERMAN or ENGLISH according to CE rules OPTIONAL: NC control upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity the cone length can be max. 30 % oremust be more than 60 % of roll length hardened rolls are recommended Nkedpfeypbqnjx Ah Rsw

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 95000 € 1795.5 € 3100 mm 13 mm 12 mm 8 mm 13 mm 10 mm 10 mm 8 mm 270 mm 270 mm 230 mm 50 mm 1155 mm 15 kW 5310 mm 1660 mm 1590 mm 10050 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls conical bending device hydraulic drop-end bearing moveable control panel overload protection user manual in GERMAN or ENGLISH according to CE rules OPTIONAL: NC control Nkedjypbqhepfx Ah Rew upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 62600 € 1183.14 € 2050 mm 13 mm 10 mm 13 mm 10 mm 10 mm 8 mm 240 mm 240 mm 190 mm 820 mm 11 kW 3830 mm 1160 mm 1200 mm 5000 kg 4 rolls fully hydraulic drive of upper and lower roll (from 30 mm bending capacity all four rolls) by planetary gear box hydr. side rolls positioning with electronical synchronisation hydr. lower roll feed with mechanical synchronisation adjustable pinching pressure variable rolling speed hardened rolls conical bending device hydraulic drop-end bearing moveable control panel overload protection user manual in GERMAN or ENGLISH according to CE rules Nkodjypbqbopfx Ah Rjw OPTIONAL: NC control upper and lateral supports IMPORTANT ISSUES AT CONICAL BENDING: the max. sheet metal thickness isequivalent to 50 % of nominal capacity