Kk-Industries Made In Europa Einständer C-Presse 100 To nakup rabljenega (136.075)

Stanje: novo, Pressure: 160 Bending length: 3200 mm Frame gap: 2655 mm Installation height: 400 mm Motor: 11 kW Max. ram stroke: 200 mm Repeat accuracy: 0.015 mm Positioning accuracy: 0.10 mm CNC press brake KK Industries 160x3200, 4 axes Y1-Y2-Y-X-R with CNC crowning Standard equipment: - Robust construction for high stability and precision. - CNC axes: Y1, Y2, X and R axis for precise control and accurate bending operations. - CNC-controlled, motorized crowning system for exact adjustment. - CNC control ZY 68 by the manufacturer (similar to Delem), user-friendly interface and high flexibility. Ncsdpfxev S Npyo Agxsr - Backgauge with linear guides and ball screw drive, equipped with 4 stopper fingers for precise material positioning. - 2 sheet support arms for ergonomic material handling. - Laser safety device on the upper beam to ensure operator safety during operation. - Quick-clamping system for the top tool enables rapid and simple tool changes. - Top tool system: Promecam Amada, split and goosenecked for maximum flexibility. - Multi-V die system: Both Promecam and Amada systems compatible. - CE safety equipment, complies with all relevant safety regulations. Optional: Delem T53 control (surcharge: €5,000)

Stanje: novo, Bending length: 1050 mm Sheet thickness: 1 mm Upper roller diameter: 56 mm Nodjd Ab Uxjpfx Agxscr Technical data: - Cast iron body - Manual or motorized (optional) bending - After bending, the upper roller can be swung out to easily remove the material - Cone bending device - Manual adjustment of rear and lower rollers using handwheels - Portable control panel - In compliance with CE standards Options: - Motorized rear roller - Digital display to indicate the rear roller position - Body cover - Hardened rollers EURO 336, -- We have many references!

Stanje: novo, Dolžina upogibanja: 1050 Debelina pločevine: 1 Premer zgornjega valja: 56 Tehnični podatki: Nsdpfx Agod Ab Uyexecr - Ohišje iz sive litine - Ročno ali motorizirano (opcijsko) upogibanje - Po upogibu se zgornji valj odpre na stran za enostavno odstranitev materiala - Naprava za stožčasto upogibanje - Premikanje zadnjega in spodnjega valja ročno z volanom navzgor in navzdol - Prenosna upravljalna konzola - V skladu s CE standardi Opcije: - Zadnji valj z motorjem - Digitalni prikaz položaja zadnjega valja - Pokrov ohišja - Kaljeni valji EURO 396, -- Imamo veliko referenc!

Stanje: novo, Bending length: 1050 mm Sheet thickness: 0.8 mm Top roll diameter: 46 mm Technical data: - Cast iron body - Manual or motorized (optional) bending operation - Top roll can be opened sideways after bending for easy removal of the material - Cone bending device - Rear and lower roll adjustment up and down manually via handwheel - Portable control panel - Complies with CE standards Options: - Motorized rear roll Njdpfjd Ab U Aox Agxscr - Digital display to indicate rear roll position - Body cover - Hardened rolls EURO 336, -- We have many references!

Stanje: novo, Leto izdelave: 2020, Pressure: 135  Bending length: 3050 mm  Frame gap: 2550 mm  Installation height: 380 mm  Ncsdpfx Agjfnlqdsxor Stroke length (max.): 180 mm  Throat depth: 250 mm  Dimensions (LxWxH): 3760 x 2150 x 2450 mm  Weight approx.: 6500 kg  Motor power: 11 kW Standard equipment: KK-Industries GmbH has been involved in production and now manufactures press brakes and guillotine shears according to its own specifications. For Europe, we have assembled a premium model: The CNC Press Brake KK Kletzer Europa Compact, made in Bursa, Turkey Model: KK Kletzer Europa Compact The powerful press brake for entry-level users—KK Kletzer Europa Compact—stands out for its high precision, accuracy, and versatile range of applications. We focus on quality, which is also reflected in the control system. As standard, we use high-quality controllers from Cybelec with extremely user-friendly programming. Furthermore, the KK Kletzer Europa Compact press brake is equipped with CNC axes Y1, Y2, X, and CNC-controlled crowning via handwheel option (EURO 2,000). We make no compromises when it comes to the upper tool and die, outfitting the CNC press brake with quality tools from EUROSTAMP or Rolleri (Italy). Naturally, every machine is only as good as its service. That’s why we place great emphasis on highly qualified staff with extensive experience in CNC sheet metal processing. CNC axes: Y1, Y2, X Cybelec CybTouch 12 CNC control Cybelec CybTouch 12 Control Panel Simple operation, more efficient bending, and powerful features characterize the CybTouch 12 PS: The Cybelec CybTouch™ 8 PS is specifically designed for synchronized press brakes. As part of the Cybelec CybTouch series, it features an intuitive touchscreen with vivid colors and extensive functions integration. Efficient bending: - Various automatic calculations of bending sequences - Bending sets and products can be stored - Management of bend angles, pressure, and crowning - Simple manual movement Powerful: - Controls up to 4 axes - Optional 2D graphical profile creation with manual bending sequence - Bend allowance calculation - Calculation for pressure and crowning - Modular tools for each part or bend - Angle and backgauge correction Simple operation: - Large, bright, high-contrast full touchscreen - Clear page layout, easy display, large buttons - Intuitive, user-friendly interface - Full programming for high-volume production with complex bending operations - Easy single-piece production via the Easy-Bend page - Online help and interactive warning notifications - Convenient wireless data backup and software updates via PC or laptop - USB data port for data transfer and backup - Wide selection of languages Backgauge with double linear guideway and ball screw Central adjustable crowning device 2x front support arms, adjustable on linear guides Laser protection device on upper beam CE protective equipment Options: recommendation from KK

Stanje: novo, Pressure: 100 Cylinder: horizontally adjustable Stroke: 350 mm Stand width: 1050 mm Working speed: 2 mm/s Rapid traverse: 28 mm/s Length: 1900 mm Width: 850 mm Height: 2250 mm Weight approx.: 1030 kg Cylinder horizontally adjustable: 650 mm Nodpfx Ajwwngtsgxocr - Cylinder adjustable horizontally - 650 mm Height-adjustable work table – conveniently adjustable via chain Safe two-hand operation – convenient control via hand lever and push button Adjustable maximum pressure – individually adaptable for various applications Integrated manometer – enables precise pressure monitoring during operation CE-compliant design – manufactured according to current safety and quality standards Operating manual – detailed and easy to understand, available in German and English Two working speeds – for particularly precise and efficient work Image is a sample photo

Stanje: novo, Pressure: 200 Bending length: 3200 mm Frame width: 2700 mm Installation height: 400 mm Stroke length (max.): 200 mm Throat depth: 350 mm Dimensions (LxWxH): 3700 x 1700 x 2700 mm Weight approx.: 14,000 kg CNC Press Brake 3200 mm x 200 t Standard equipment: ----- Robust construction CNC axes Y1, Y2, X, and R CNC crowning device motorized with CNC control Original DELEM DA 58 T 15" touchscreen CNC control Backgauge with linear guide and ball screw, 4 stop fingers 2 sheet support arms Laser safety device on upper beam Njdpfxotvhxmo Agxecr Quick clamping system for upper tooling Upper tool system: Promecam Amada segmented and gooseneck Multi-V die system compatible with both Promecam and Amada systems CE-certified safety equipment

Stanje: novo, Pressure: 100 Ncsdpfxswwng Hj Agxor Cylinder: fixed Stroke: 350 mm Frame opening: 1050 mm Working speed: 2 mm/s Rapid approach: 28 mm/s Length: 1900 mm Width: 850 mm Height: 2250 mm Weight approx.: 1030 kg Height-adjustable work table – easily adjustable via chain Safe two-hand operation – convenient control via hand lever and push button Adjustable maximum pressure – can be customized for a wide range of applications Integrated pressure gauge – allows precise pressure monitoring during operation CE-compliant design – manufactured according to the latest safety and quality standards Operating manual – detailed and easy to understand, available in German and English Two working speeds – for particularly precise and efficient working The photo is a sample image.

Stanje: novo, Pressure: 100 Cylinder: horizontally adjustable Stroke: 350 Frame width: 1500 Working speed: 2 Rapid traverse: 28 Length: 2400 Width: 1000 Height: 2250 Weight approx.: 1500 Cylinder horizontally adjustable: 1150 – Cylinder horizontally adjustable – 1150 mm Height-adjustable work table – conveniently adjustable via chain Safe two-hand operation – user-friendly control via hand lever and push button Adjustable maximum pressure – individually adaptable for various applications Integrated pressure gauge – allows precise pressure monitoring during operation CE-compliant design – manufactured according to current safety and quality standards Operating manual – detailed and easy to understand, available in German and English Two working speeds – for particularly precise and efficient work The image is a sample photo Nodpfx Aowwngyogxocr

Stanje: novo, Column spacing: 2000 x 1000 Return speed: 150 mm/s Approximate weight: 35,000 kg Stroke: 800 mm Total power requirement: 30 kW Installation height: 1000 mm Rapid traverse: 120 mm/s Pressure: 500 bar Working table: 2500 x 1500 mm Working speed: 12 mm/s Dimensions (LxWxH): 2500 x 2700 x 5400 mm We also build custom presses for your specific application. DETAILS: 4-Column Press, 500 tons Capacity: 500 tons (at 250 bar – 510 tons) Control: Automatic via two-hand operation with key switch selection 1. Manual via operating panel for setup mode 2. Automatic with single cycle via two-hand operation, without drawing cushion Main cylinder: Ø500 mm Auxiliary cylinders: 2 pcs, Ø120 x 80 mm (move alongside main cylinders) Motor: 37 kW – 50 HP Pump: 100 cc = 150 l/min REXROTH axial piston pump Cylinder speed: Advance 150 mm/s – Return 170 mm/s – Pressure phase 15-8 mm/s Working area: 2500 x 1300 mm (Table & ram plate with T-slots) (T-slot dimensions as per customer drawing) Distance between columns: 2000 x 800 mm Installation height: 1000 mm (max. distance between table & ram plate) Stroke length: 800 mm (length adjustable via linear scale) Columns: Ø180 mm Hydraulic accessories: Hydraulic tank with control block & valves (complete REXROTH) Oil tank capacity: 1500 l; Oil volume: 1200 l Advance valves: 2 pcs Hydraulic & mechanical ram securing system Pressure regulator via PLC (min. pressure 60 tons) Air cooler Hydraulic accessories mounted on top of the press Auxiliary motors Auxiliary pump Filter: Rexroth Additional valve for spring-loaded opening Speed adjustment via display Nsdpod Aca Ajfx Agxecr Hydraulic accessories mounted on top of the press Safety railing around hydraulic tank Side access ladder Control accessories: Controller: SIEMENS S7 1214 Safety PLC: SICK Swiveling control panel Ethernet connection for remote maintenance Two-hand operation (mobile, sufficient cable length for front & rear operation) Main control cabinet 12" Beijer PLC display Light sensors at front & rear – SICK 1000 + 150 mm Linear scale for stroke length adjustment (Novatechnik) Soft starter for main motor 8 free inputs & outputs Working area lighting On side of working area: windowed door secured with limit switch (400 x 600 mm) Table height: 1000 mm (floor to top edge of table plate) Total weight: approx. 35,000 kg Overall dimensions (LxWxH): approx. 2500 (including hydraulics) x 2700 x 5400 mm (including railing) Foundation: mandatory The price is valid until 30.12.2022! Training and commissioning are included in the price.

Stanje: novo, Pressure: 200 Bending length: 3200 mm Frame width: 2700 mm Installation height: 400 mm Stroke length (max.): 200 mm Throat depth: 350 mm Dimensions (LxWxH): 3700 x 1700 x 2700 mm Weight approx.: 14,000 kg CNC Press Brake 3200 mm x 200 t Standard equipment: ----- Robust design CNC axes: Y1, Y2, X and R axis Ncodpfxettxh No Agxer CNC crowning device, motorized, with CNC control CNC controller Original DELEM DA-58T, 15” touchscreen Backgauge with linear guide and ballscrew, with 4 stop fingers 2 sheet support arms Laser safety device on upper beam Quick clamping system for upper tool Upper tool system: Promecam Amada segmented gooseneck die Multi-V die system; both Promecam and Amada systems possible CE safety equipment

Stanje: novo, Pressure: 200 Bending length: 3200 mm Frame width: 2700 mm Installation height: 400 mm Maximum stroke length: 200 mm Throat depth: 350 mm Dimensions (LxWxH): 3700 x 1700 x 2700 mm Approx. weight: 14,000 kg CNC Press Brake 3200 mm x 200 to Standard equipment: ----- Robust construction CNC axes: Y1, Y2, X, and R axis CNC-controlled motorized crowning system Original DELEM DA-58T CNC control, 15-inch touchscreen Ncodpfxetvhxie Agxjr Back gauge with linear guide and ball screw, with 4 stop fingers 2 sheet supporter arms Laser safety device on upper beam Quick-clamp system for upper tool Upper tool system: Promecam/Amada segmented, gooseneck design Multi-V die system, compatible with both Promecam and Amada systems CE-compliant safety equipment

Stanje: novo, Pressure: 200 Bending length: 3200 mm Frame width: 2700 mm Installation height: 400 mm Stroke length (max.): 200 mm Throat depth: 350 mm Dimensions (LxWxH): 3700 x 1700 x 2700 mm Weight approx.: 14,000 kg Motor: 15 kW CNC Press Brake 3200 mm x 200 t Standard equipment: ----- Robust construction CNC axes Y1, Y2, X and R axis CNC crowning system, motorized and CNC controlled CNC controller Original DELEM DA 58 T touchscreen, 15-inch Backgauge with linear guide and ball screw with 4 stops 2 sheet support arms Laser safety device on the upper beam Quick clamping system for upper tool Tool system upper tool Promecam Amada, segmented and gooseneck Multi V-die system, both Promecam and Amada compatible Safety equipment Ncsdpfxjtq Nm Ne Agxer Our machine features an Ecoline mode, which allows energy consumption optimization to save costs, and the machine operates very quietly.

Stanje: novo, Tlak: 100 Moč motorja: 4 Dimenzije (D x Š x V): 1.600 x 850 x 2.500 Polnjenje z oljem: 29 Moč črpalke: 14,5 Hitrosti: naprej 8,5 mm/s, nazaj 13,43 mm/s Teža ca.: 1.000 Razdalja med stojali: 1000 x 350 Standardna oprema: Visokokakovostna hidravlična stiskalnica, ki jo je mogoče upravljati ročno ali mehansko. Valje je mogoče premikati bočno. CE certifikat Regulacija tlaka 1 leto garancije Manometer Uporabniški priročnik (ročno) Ncodpfx Aonzwhasgxjr Opcijsko: Razdalja med stojali: 1200 x 400 mm -> Doplačilo 750 €

Stanje: novo, Dolžina pločevine: 1360 mm Debelina pločevine: 3 mm Standardna oprema: - NC krmiljenje - Programabilni, motorizirani zadnji prislon z gibom 750 mm - Osvetlitev sence rezalne linije - 1 kos prislona z mersko lestvico - 2 kosa podpornih ročic za pločevino - Zaščita za prste - Kroglična valjčna miza - Enostavna nastavitev reže rezila od spredaj - Kroglično vreteno - Števec rezov Ncodpfxoxx D Efj Agxsr - Prenosna nožna pedala z gumbom za izklop v sili - Svetlobna pregrada na zadnjih varnostnih napravah

Stanje: novo, Shaft diameter: 580 mm Working speed: 3-6 m/min Motor power: 30 kW Length: 2760 mm Width: 2310 mm Height: 2680 mm Approx. weight: 14,400 kg Technical specifications: - Welded frame made of steel construction - 3 rollers driven - Hardened and ground shafts made from high-strength special steel - Rollers are hardened and ground - Horizontal and vertical working position - Standard hardened rollers - Mobile control panel - Angular side guide rollers - Brake motor for precision bending - Digital displays (2 units) Nedpfx Agsh Alh Hexjcr Options: - STANDARD digital display - NC unit 10Screen EURO 11,500,--

Stanje: novo, Dimensions (LxWxH): 0.80 x 0.85 x 1.20 m Approx. weight: 0.61 t Njdpfx Agjd Ab Icexecr Total power requirement: 4 kW Sheet thickness: 6 mm Details: - Hydraulic drive, 6 mm at fixed 90° - Blade length: 200 mm - Clipping angle: 90°

Stanje: novo, Sheet thickness: 3.3 mm Bending length: 1050 mm Top roll diameter: 90 mm Ncsdpfx Aed Ab T Dsgxer Technical specifications: - Cast iron body - Manual or motorized (optional) bending - After bending, the top roll can be swung out to the side for easy removal of the workpiece - Cone bending device - Rear roll and lower roll are raised and lowered manually via handwheel - Portable control panel - In compliance with CE standards Options: - Motorized rear roll EURO 825 - Digital display for rear roll position EURO 1,010 - Body cover EURO 274 - Hardened rolls EURO 480 We have many references!

Stanje: novo, Bending length: 1550 mm Sheet thickness: 1.2 mm Upper roll diameter: 70 mm Technical Data: - Cast iron body - Manual or motorized bending (optional) - After bending, the upper roll can be opened to the side for easy removal of the material - Cone bending device - Rear and lower rolls can be adjusted up and down manually with handwheel - Portable control panel - In compliance with CE standards Options: - Motorized rear roll - Digital display for rear roll position - Body cover EURO 362,-- - Hardened rolls EURO 550,-- Ncsdpfx Aod Ab T Isgxsr - Variable rotation speed We have numerous references!

Stanje: novo, Sheet thickness: 1.2 mm Bending length: 1550 mm Top roller diameter: 70 mm Ncedped Ab T Nofx Agxer Technical Data: - Cast iron body - Manual or motorized (optional) bending - After bending, the top roller can be swung out to easily remove the material - Conical bending device - Movement of the rear and lower rollers up and down manually via handwheel - Portable control panel - In compliance with CE standards Options: - Rear roller with motor EURO 825,-- - Digital display for rear roller position EURO 1,010,-- - Body cover EURO 362,-- - Hardened rollers EURO 550,-- We have numerous references!

Stanje: novo, Pressure: 150 Bending length: 3050 mm Frame gap: 3050 mm Installation height: 590 mm Max. stroke length: 300 mm Dimensions (LxWxH): 4740x2000x2680 mm Weight approx.: 9500 kg Motor power: 22 kW CNC crowning via control: yes CNC Servo Electric Press Brake KKI Model: REVOLUTION DDM-15030 Ncjdpfx Agsd Etf Esxsr Servo-motorized Press Brake REVOLUTION Servo-electric press brakes contain no hydraulic system and, due to their flexibility and reliability, represent the technology of tomorrow. The higher speed and precision of this new machine generation offers improved efficiency, ergonomic features, and more environmentally friendly production technology. As the first manufacturer of servo-electric press brakes with various models and capacities, Dener is a pioneer of this technology, bringing extensive experience and quality. Standard Equipment: KK-Industries holds the general agency of the DENER group. We have configured a high-quality model for Europe. The CNC servo electric press brake KK-Industries, made by DENER, includes: Technological Advantages, Model REVOLUTION DDM: The CNC servo electric press brake is characterized by high precision, accuracy, and versatile application possibilities. - 100% electric, 0% hydraulic oil - Up to 50% reduced energy consumption compared to conventional hydraulic press brakes - High efficiency and accuracy - High bending speed and significantly quieter - Usable full frame length - Lower maintenance costs - Environmentally friendly - User-friendly control panel - Automatic calculation of bending steps directly from STEP or DXF files - Up to 35% faster than hydraulic press brakes Standard Equipment Includes: 3D color graphics controller DELEM 66T with 17-inch touchscreen Y1, Y2, X, and R axes controlled by CNC CNC crowning via 3D control X-axis 500 mm, R-axis stroke 150 mm (for 1.5 m and 2 m models) X-axis 750 mm, R-axis stroke 250 mm (on other press brakes) We make no compromise on tooling, equipping the KKI REVOLUTION CNC servo electric press brake with quality tools from EUROSTAMP Italy. Segmented gooseneck upper tool 4-V die block 60x60 (V = 16, 22, 35 and 50 mm) Back gauge with servo motors on linear guide and ballscrew Of course, a machine is only as good as its service. Therefore, we focus on highly qualified staff with long-standing experience in CNC sheet metal processing. Laser safety device on the upper beam CE safety equipment Operating manuals in GERMAN and ENGLISH Options: Additional controlled axes for backgauge: X1, X2, R, Z1, Z2, Delta X ATF type 6-axis backgauge, X1, X2 - R type backgauge X-Prime type backgauge Hydraulic upper and lower tool clamping for WILA tools CNC 3D touchscreen DELEM DA-69T control KK-Industries GmbH

Stanje: novo, Sheet length: 3,200 mm Sheet thickness: 6.0 mm Cutting width: 3,200 mm Total power requirement: 7.5 kW Weight approx.: 8,500 kg Dimensions (LxWxH): 4,650 x 1,700 x 1,800 mm Technical data: Sheet thickness: 6 mm Cutting length: 4,200 mm Cutting angle: 1.50° Backgauge: motorized, 1,000 mm Motor power: 7.5 kW Length: 4,650 mm Width: 1,700 mm Height: 1,800 mm Weight: 8,500 kg Neded Ab Hhepfx Agxjcr Equipment: Swing cut system NC preset control ELGO P 40 T Touch with backgauge and cutting gap adjustment from the front via the control system Motorized backgauge up to 1,000 mm Clear control panel mounted on swivel arm Hydraulic hold-downs arranged close to the cutting edge Foot switch Cutting gap adjustment Cutting line illumination Wide support table with ball transfers Foldable finger guard 1,000 mm 1 side stop with T-slot 2 sheet support arms with T-slot Easy replacement and regrinding of blades Adjustable cutting length for efficient processing Lower blade with four cutting edges, reversible Upper blade with two cutting edges, reversible Qualified customer service Operating instructions in ENGLISH Machine and equipment in accordance with CE regulations

Stanje: novo, Shaft diameter: 60 mm Njdpfx Agod Ab H Rexecr Upper roll diameter: 215 mm Lower roll diameter: 215 mm High-performance hydraulics: 16 l/min Working speed: 4 m/min Motor power: 1.5 kW Length: 1000 mm Width: 1400 mm Height: 1650 mm Approx. weight: 950 kg Technical Data: - Welded steel frame - 3 rolls are driven by motor - Hardened shafts made of special steel - Upper roll hydraulically adjustable - Horizontal and vertical operating positions - Standard rolls - Guide rolls - Equipped with a brake motor for precision bending - Portable control panel Options: - Digital readout EURO 700 - NC unit EURO 7,000 - Lateral angle guide rolls EURO 1,400 HPK 50 file Type Size Min. Dia Notes 1 60x10 20x10 600 300 Standard Rolls 2 100x15 50x10 600 300 Standard Rolls 3 35x35 15x15 600 300 Standard Rolls 4 Ø35 Ø20 600 300 Optional Rolls 5 Ø70x2 Ø25x1.5 1200 400 Optional Rolls 6 2”x2.9 1/2”x2.3 1000 300 Optional Rolls 7 70x30x3 30x15x2 1500 400 Optional Rolls 8 50x3 20x2 1600 400 Optional Rolls 9 50x50x6 30x30x3 600 400 Optional Rolls 10 50x50x6 30x30x3 900 600 Optional Rolls 11 60x7 30x4 600 400 Standard Rolls 12 60x7 30x4 700 400 Standard Rolls 13 60x7 30x4 700 400 Standard Rolls 14 UPN 80 UPN 30 800 400 Optional Rolls* 15 UPN 80 UPN 30 1200 600 Standard Rolls* * Special washer (spacer) may be required / Only with the special beam bending attachment • Capacities are based on a plate yield strength of 260 N/mm²

Stanje: novo, Dimensions (LxWxH): 1.10 x 1.15 x 1.40 m Approx. weight: 1,150 kg Total power requirement: 4 kW Sheet thickness: 6 mm Details: - Hydraulic drive Nedpod Ab Idefx Agxocr - Blade length: 200 mm - Notching angle adjustable from 60–140°, 6 mm - Notching angle adjustable from 30–59°, 4 mm

Stanje: novo, Sheet length: 2060 mm Sheet thickness: 4 mm Dimensions (LxWxH): 2700 x 2250 x 1400 mm Motor: 7.5 kW Weight approx.: 3000 kg Standard accessories: - NC control - Programmable, motorized backgauge with 750 mm travel - Shadow line lighting - 1 piece stop rail with measuring scale - 2 sheet support arms - 1 sheet support arm (for models 1106, 1306, 1505) - Finger guard - Ball transfer table Njdpfx Asgickregxjcr - Easy front adjustment of blade gap - Ball screw spindle - Stroke counter - Portable foot pedal with emergency stop button - Light barrier on rear safety guards