Used Front Loading Beam Panel Saws for sale (47,177)

Condition: used, Year of construction: 2018, machine/vehicle number: 1000023651T, functionality: fully functional, power: 50 kW (67.98 HP), input frequency: 50 Hz, cutting height (max.): 95 mm, cutting width (max.): 3,200 mm, Equipment: documentation/manual, Selco WNAR 6 miter saw center. Bjdpfszl T Hlsx Amyolk

Condition: ready for operation (used), functionality: fully functional, power: 2.21 kW (3.00 HP), input voltage: 380 V, cutting width (max.): 900 mm, saw blade diameter: 300 mm, DeWalt radial arm saw for wood, light metals, and plastics, with a 300 mm saw blade, 3 HP (380 V three-phase), adjustable and tiltable. The motor-saw blade unit moves 900 mm along the upper arm, which is height-adjustable and can be swiveled to the left and right. Used, fully functional machine, including base. Bljdpfx Amezl Hfusyjk

Condition: used, Year of construction: 2023, Cutting area: 5600x5600 mm 1x Gabbiani G 3 130 (56) - High-performance panel dividing saw 1x Compact label printer 1x "eye-M EVO" control console 1x Human-Machine Interface (HMI) software MAESTRO ACTIVE 1x Maestro pattern 1x High-performance, fixed air cushion table with guide, 2500x600 mm, with infeed rollers 3x High-performance, mobile air cushion table - 2500x600 mm, with infeed rollers 1x Double, lateral, automatic aligner with motor drive 1x Foot switch for START/STOP of the working cycle 1x Setup for grooving with height adjustment of the saw blade via the control system 1x "Autosetting" device on the saw carriage for cutting length/width 1x Main saw blade motor 25 HP (18 kW) 50 Hz with star-delta starter 1x Quick clamping of the saw blades with mechanical flanges "AKE" 1x Selective collet chuck (area 0 - 1600 mm) 3x Additional double collet chuck 4x Additional collet chuck with single finger 1x Compact office label printer 1x Cut editor 1x Maestro optiwise - Advanced - No. 1 license 1x Maestro connect: Service agreement for 1 year (including "plug&play" gateway kit) 1x Base 1x MACHINE LANGUAGE: German 1x PC LANGUAGE: German 1x SPEC01 Special version 01 1x European safety regulations (CE marking) including 123 hours of on-site commissioning (within Germany) (daily working hours are 8 hours including travel time). Blsdpexlvktefx Amyek including 1 day of online training MAESTRO OPTIWISE PRO (as needed) including MAESTRO CONNECT 1 year including MAESTRO PATTERN IMPORT (255€ free)!!! FULL MANUFACTURER'S WARRANTY IN THE FIRST YEAR !!! Storage location:

Condition: excellent (used), Year of construction: 2023, power: 4 kW (5.44 HP), cutting height (max.): 2,200 mm, cutting width (max.): 4,000 mm, stationary panel saw STRIEBIG, cutting dimensions 4000 x 2200 mm. Bedpfx Ajzlpi Nsmyolk

Condition: used, Year of construction: 2005, total length: 4,200 mm, total width: 1,200 mm, total height: 2,450 mm, Colour: Grey Weight: 485 kg - Year: 2005 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 25005630 - Max. cutting height horizontal [mm]: 1550 - Max. cutting width [mm]: 3300 - Max. cutting depth [mm]: 55 - Min. saw blade diameter [mm]: 250 - Max. saw blade diameter [mm]: 250 - Arbor saw blade diameter [mm]: 30 - Horizontal cutting: Yes - Vertical cutting: Yes - Voltage [V]: 400 - Current consumption [A]: 6.6 - Fuse [A]: 16 - Power [kW]: 3.0 Bsdpfx Aozh Ikqjmyelk - Transport dimensions: 4200mm x 1200mm x 2450mm (l x w x h) - Transport weight [kg]: 485kg - 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: 2002, total length: 5,700 mm, total width: 1,600 mm, total height: 2,800 mm, Colour: White Weight: 750 kg - Year: 2002 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 32604 - Max. cutting height vertical [mm]: 2070 - Max. cutting height horizontal [mm]: 4600 Blsdpfxjzh Hqvj Amyok - Max. cutting width [mm]: 4600 - Max. cutting depth [mm]: 60 - Min. saw blade diameter [mm]: 240 - Max. saw blade diameter [mm]: 250 - Arbor saw blade diameter [mm]: 30 - Horizontal cutting: Yes - Vertical cutting: Yes - Voltage [V]: 400 - Current consumption [A]: 8.4 - Fuse [A]: 16 - Power [kW]: 3.0 - Transport dimensions: 5700mm x 1600mm x 2800mm (l x w x h) - Transport weight [kg]: 750kg - 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: 2000, total length: 4,100 mm, total width: 1,050 mm, total height: 2,400 mm, Colour: Grey Weight: 485 kg - Year: 2000 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 5005DW - Max. cutting height horizontal [mm]: 1550 - Max. cutting width [mm]: 3200 - Max. cutting depth [mm]: 55 - Min. saw blade diameter [mm]: 250 - Max. saw blade diameter [mm]: 250 - Arbor saw blade diameter [mm]: 30 - Horizontal cutting: Yes - Vertical cutting: Yes - Voltage [V]: 400 - Current consumption [A]: 5 - Fuse [A]: 16 - Power [kW]: 2.2 - Transport dimensions: 4100mm x 1050mm x 2400mm (l x w x h) - Transport weight [kg]: 485kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Blsdpfxozh Hqce Amyjk Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: used, Year of construction: 2002, total length: 5,100 mm, total width: 1,250 mm, total height: 2,950 mm, Colour: Grey Weight: 610 kg - Year: 2002 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 0201515 - Max. cutting height horizontal [mm]: 2100 - Max. cutting width [mm]: 4200 - Max. cutting depth [mm]: 55 - Min. saw blade diameter [mm]: 250 - Max. saw blade diameter [mm]: 250 - Arbor saw blade diameter [mm]: 30 Bodjzh Hp Sspfx Amyslk - Horizontal cutting: Yes - Vertical cutting: Yes - Voltage [V]: 400 - Transport dimensions: 5100mm x 1250mm x 2950mm (l x w x h) - Transport weight [kg]: 610kg - 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: new, Year of construction: 2024, ALL ALTENDORF F25 TYPES READY ON STOCK! manual hight and Stilding adjustment for saw aggregate 0 – 46° Bledpfx Amog Dgr Hjysk digital display for saw blade height and tilting angle motor 5,5 kW saw blade speed 3600/ 4200 U/min. sliding table length 3200 mm angular fence for cutting length up to 3450 mm prearrangement for retrofitting of scoring unit saw blade DM max. 315 mm max. cutting height 104 mm max. cutting height at 45° = 70 mm working height 880 mm Advise used machines: • Technical data without obligation, mistake and intermediate sale reserve. • Price is considered ex-location price • All articles or machines are bought as seen without any entitlement on warranty. • It is left to the choice of the buyer to view the machines before at its location. • Special arrangements are possible but only valid in written form. (We answer your inquiries only with stated address + telephone number!)

Condition: excellent (used), Year of construction: 1999, cutting length 3.200 mm cutting width 3.200 mm cutting hight 65 mm saw blade DM max. 300 mm saw blade motor: 5,5 kW scoring unit DM max. 160 mm motor scoring unit 1,5 kW front support tables 3 Stk. 1 x 2500 x 500 & 2 x 1500 x 500 mm cutting optimisation program no. of grippers 8 pcs saw blade hight adjustment on THK guides pressure beam with openings side pusher (alignment) saw blade quick change system suction DM1 x 120 & 1 x 150 mm Bedpfx Amohvan Ijyslk space requirement L x B 5700 x 6000 mm weight approx. 2500 kg INVERTER NEW Advise used machines: • Technical data without obligation, mistake and intermediate sale reserve. • Price is considered ex-location price • All articles or machines are bought as seen without any entitlement on warranty. • It is left to the choice of the buyer to view the machines before at its location. • Special arrangements are possible but only valid in written form. (We answer your inquiries only with stated address + telephone number!)

Condition: good (used), Year of construction: 2010, Striebig Panel Saw Compact 5220, Year of Manufacture 2010 Robust, self-supporting, firmly welded, and torsion-resistant saw frame Stable, durable saw beam steel construction Robust bearing of the motor carriage ensures high cutting accuracy Powerful, low-vibration 3.9 kW motor (5.3 HP) TRK dust extraction system Automatically adjusting aluminum slat grid with plastic supports Bsdpfx Amezhx A Royolk Device for wall mounting Ball-bearing support rollers Split center support at optimal working height, with aluminum grid Integrated small parts support made of wood Supersilent sound insulation to reduce saw blade noise Electromagnetic motor brake Saw weight approx. 910 kg Cutting depth 60 mm Saw motor power 3.9 kW (5.3 HP) Saw blade diameter 250 mm Saw blade bore 30 mm *1 Emission sound pressure level at the workplace LpA 82 dB *2 Saw blade speed 5250 rpm 2 dust extraction ports ø 100 mm Connection value 4.8 kW Mains connection 3 x 400 V / 50 Hz Cutting range: L: 4600; Hvertical: 2200 mm, Hhorizontal: 2100 mm Equipment: - Compact 5220 - Strip fence - Mechanically braked support rollers - Freestanding support complete Location: Available from stock in 54634 Bitburg - immediately available -

Condition: good (used), Year of construction: 1980, Cutting length 3100 mm Bedpfoyku U Nsx Amyjlk Cutting height 45 mm Motor output 1,8 kW machine weight ab. 500 kg

Condition: used, Year of construction: 2001, operating hours: 407 h, Colour: White Weight: 6.100 kg Price: On request - Details: - └ Description: material slide speed forward 30 m/min reverse 60 m/min transport speed saw aggregate forward 5-50 m/min reverse 70 m/min - Year: 2001 - Documentation available: Yes - CE marking present: Yes - CE certificate present: Yes - Serial number: 5569 - Operating hours: 407 - Main motor power [kW]: 18.0 - Control: Mayer 5400 - Software: ipc 5000 - Saw blade bore diameter [mm]: 30 - Max. saw blade diameter [mm]: 450 - Max. cutting length [mm]: 4200 - Max. cutting width [mm]: 4200 - Max. cutting height [mm]: 120 - Number of feed clamps [pcs]: 9 - Options: Voorritser - Feed speed: Automatic - Spindle speed: - └ Max. spindle speed [rpm]: 2870 - Scoring unit: Blsdpfx Amszhtb Ueyok - └ Scorer bore diameter [mm]: 30 - └ Scorer blade diameter [mm]: 150 - └ Max. cutting height with scorer: 120 - Voltage [V]: 380 - Current consumption [A]: 58 - Fuse [A]: 63 - Power [kW]: 29.0 - Installed length [mm]: 5300 - Installed width [mm]: 6550 - Installed height [mm]: 2200 - Transport weight [kg]: 6100kg 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 Glenn Smeets

Condition: reconditioned (used), Year of construction: 1987, machine/vehicle number: 1277/8-71, functionality: fully functional, Connected load: 380V, 7A Bledsh U Sqrepfx Amyek Cutting length: 4300 mm Cutting height: 1925 mm Frame height: 2210 mm Machine height: 2500 mm Room height: 2540 mm Edge trimming height: 1870 mm Passage height: 1940 mm

Condition: ready for operation (used), Year of construction: 1987, machine/vehicle number: 402, functionality: fully functional, cutting height (max.): 70 mm, cutting width (max.): 3,200 mm, saw blade diameter: 300 mm, cutting length (max.): 3,200 mm, cutting height with scoring (max.): 70 mm, Equipment: scorer, Cutting length: 3200 mm Cutting width: 3200 mm Width stop: Gear motor adjustment Main saw unit: saw blade Ø 300, Ø 30, Z=60, SH 70 Scoring unit: yes - saw blade Ø 125, Ø 20, Z=24 Softforming unit: no Side pressure unit: yes - Version: FR 50/100 Bedpfx Amovi H Disyslk Residual cutting device: yes - Pressure beam recess Veneer cutting device: yes Trimming device: yes - Spacing: 145/525/1790 Support table front: 400 x 1400 mm - 2 pieces Rear support table: 240 x 2960 mm - 1 piece Support bars rear: 40 x 2960 mm - 5 pieces Angled table: 480 x 1400 mm left Angle ruler: with pull-out Collets: 4 pieces - floating - distance 70/400/1600/2800 Stop jaw: 2 pieces - rigid - distance 1000/2200 additional foot at the rear : no - 3 feet safety guard: yes foot switch : no Machine cuts from: left to right unit can emerge in any area: no automatic lowering with saw overtravel: no 3-step cutting height adjustment: no Main circular saw: 7.5 kW, 380 V, 2870 rpm, 50 Hz Scoring saw: 1.1 kW, 380 V, 2800 rpm, 50 Hz Width stop adjustment motor with torque compensation: fine input motor: 0.12 kW, 380 V, 1380 /min, main motor: 0.35 kW, 380 V, 1350n.

Condition: used, Panel saw ALTENDORF F45 - used - double roller carriage, tilting, parallel fence with fine adjustment, outrigger table, Blodpfxjw Nv I Ue Amyjk table extension, anodized aluminium, table width extension, anodized aluminium, mitre fence, overhead guard, narrow and wide ----- Technical specifications ----- Tilting range: 45°, Carriage length: 2,500 mm, Cutting width: 800 mm, Max. saw blade Ø: 450 mm, Motor power: 5.5 kW, Extraction nozzle Ø: 80 / 120 mm

Condition: used, Panel Saw ALTENDORF F45 -used- Double roller carriage, Scoring unit, Rip fence with fine adjustment, Support table, Hydraulic height adjustment, Hydraulic tilting adjustment, Digital tilt angle display, Speed display, Table extension, aluminium anodized, Table width extension, aluminium anodized, Angle/miter fence, Overhead guard, narrow and wide, Automatic brake, Dust tested ----- Technical Data ----- Tilting range: 45°, Carriage length: 3,200 mm, Bedpfx Amsw Nx A Ieyolk Cutting width: 1,300 mm, Cutting height: 125 mm, Max. saw blade Ø: 400 mm, Speeds: 3,000/4,000/5,000/6,000 rpm, Motor power: 5.5 kW, Weight: 1,040 kg

Condition: used, FORMAT 4 Kappa V60 Panel Saw - used - Welded frame with extremely high rigidity, automatically retracting support slats, stable locking of the saw carriage at top and bottom, Bedpfsy Sazrjx Amyjlk control panel at eye level, digital readout on the longitudinal stop, digital display for horizontal cuts, strip cutting device, lift-roller transport system, edgable support surface, dust extraction unit TRK, dust-tested ----- Technical Data ----- Cutting length: 4,300 mm, Cutting height: 2,200 mm, Cutting depth: 60 mm, Saw blade Ø: 250 mm, Motor: 3 kW, Extraction port Ø: 2x 100 mm, Space requirement (LxWxH): 5,600 x 1,700 x 3,000 mm

Condition: excellent (used), Panel Saw HOLZ-HER 1255 -used- Welded frame with extremely high rigidity, pneumatically retracting shifting grid, stable latching of the saw carriage at both top and bottom, latch monitoring in vertical cut electrically controlled, foldable plunge lever on the saw unit, retractable riving knife for cut-outs, operator panel at eye level, digital display on the longitudinal fence, digital display for horizontal cut, strip cutting device, roller lift transport system, trim-capable support surface, dust extraction device TRK, dust-tested. ----- Technical Data ----- Cutting length: 5200 mm, Cutting height: 2200 mm, Trimming height: 2100 mm, Bljdpfoyyzp Hjx Amysk Cutting depth: 60 mm, Minimum height on folding rail: 120 mm, Saw blade Ø: 250 mm, Motor: 4 kW, Extraction port Ø: 120/100 mm, Compressed air: 6 bar, Required space (LxWxH): 6500x1650x3050 mm, Weight: 900 kg Quality Information: - Fence strips replaced / refurbished - Comprehensive basic inspection - Complete basic cleaning - Electrical system checked - Immediately operational

Condition: excellent (used), Panel Saw HOLZ-HER 1255 SECTOR pro – used – • Welded frame with extremely high rigidity • Pneumatically retractable support grid • Sturdy saw carriage latching mechanism at top and bottom • Electrically monitored latching in vertical cutting mode • Foldable plunge lever on the saw unit • Retractable riving knife for cut-outs • Operator control panel at eye level Blsdpfxoy N Riho Amyok • Digital display on longitudinal fence • Digital display for horizontal cut • Strip cutting device • Lift roller transport system • Trimmable support table • TRK extraction unit • Dust tested • Only used for 2 months ----- Technical Data ----- Cutting length: 5,300 mm Cutting height: 2,200 mm Cutting depth: 60 mm Saw blade Ø: 250 mm Motor: 4 kW Extraction port Ø: 120 +100 mm Compressed air: 8 bar Year of manufacture: 2025 Quality info: - Complete basic inspection - Complete basic cleaning - Ready for immediate use

Condition: excellent (used), Panel Saw ELCON ADVANCE 215 DSX-A - used - Automatic clamp system for trimming the lower edge, Pneumatically retractable support grid, Sturdy locking positions for the saw carriage at the top and bottom, Electrically monitored locking for vertical cuts, Retractable riving knife for cut-outs, Control panel positioned at eye level, Digital display at the longitudinal stop, Digital display for horizontal cuts, Scoring saw unit with counter-rotation, TRK extraction system, Bledeyq Rwyopfx Amyek Certified dust extraction, Strip cutting device ----- Technical Data ----- Cutting length: 6,300 mm, Cutting height: 2,100 mm, Edging height: 2,000 mm, Cutting depth: 80 mm, Saw blade Ø: 300 mm, Motor: 4 kW, Extraction port Ø: 200 mm, Compressed air: 6-8 bar, Required space (LxWxH): 7,700x2,000x3,000 mm Quality Information: - Guide rails renewed - Complete basic inspection - Thorough cleaning - Electrical system checked - Immediately ready for operation

Condition: new, Panel Saw ALTENDORF F 35 Type 3 - 1000 -Exhibition Machine- Blodpfx Aew Imptomyok 5.5 kW (7.5 HP), 3 speeds, Motorized height and tilt adjustment, Large protective hood, Double roller carriage 3,200 mm, Scoring unit with LED lighting, CNC rip fence, cutting width 1,000 mm, Angle-mitre fence 3,450 mm, without length compensation, Table extension/table widening, High-quality CDF surface ----- Technical Specifications ----- Tilting range: 0 - 46°, Carriage length: 3,200 mm, Cutting length: 3,100 mm, Cutting width: 1,000 mm, Cutting height: 154 mm, Max. saw blade Ø: 450 mm, Motor power: 5.5 kW, Screen size: 15 inch, Table height: 910 mm, Extraction port Ø: 80 + 120 mm - New exhibition machine -

Condition: new, - Practical clamping system for panels, for trimming the underside and processing without intermediate storage of cut-offs - Comfortable height adjustment of the clamping jaws via control panel - Smooth and ergonomic operation - Modular welded machine frame, torsion-resistant and self-supporting - Scoring device for tear-free cutting quality - Automatic retraction of slatted frame during sawing - Central workpiece support for maximum flexibility - Easy switching between vertical and horizontal processing - Digital stop gauge - Transport wheels liftable via pedal for easy moving of heavy panels - Durable and precise material support for stable workpiece position - Pneumatic locking of the saw carriage - Large opening for saw blade change Extraction connection: - Extraction nozzle diameter: 100 mm - Extraction air requirement min.: 1800 m³/h - Air speed min.: 20 m/s Blsdpfxjwnrf Uj Amysk Equipment: - Lower material support: metal rollers - Retractable slatted frame: automatic - Vertical measurement display: digital - Horizontal measurement display: digital - Panel clamping system - Locking of saw carriage: pneumatic - New exhibition machine -

Condition: new, Panel saw HOLZ-HER 1255 SECTOR pro - Exhibition machine - Cutting height 2,200 mm Cutting length 5,300 mm Vertical perfection from HOLZ-HER The vertical panel saws from HOLZ-HER combine proven technology from over 50 years of experience and a rock-solid design that offers you a unique price-performance ratio. offer you a unique price-performance ratio. Your advantages: - Fully welded frame Extremely high rigidity - Precise cutting quality - Finished cut for immediate edge banding - Powerful saw motor with 4 kW output - Space-saving panel layout with a installation area from 4 m² - Smooth and ergonomic operation TRK extraction system (optional in all CE countries): Workstations must meet the highest requirements when it comes to health and safety. HOLZ-HER saws are among the cleanest and safest in the safest in the world. Accessories The extensive range of accessories extends from convenient digital dimension displays through to our our patented Super Cut plus scoring system. TECHNICAL DATA Vertical panel saw for cutting panel-shaped wood materials wood-based materials such as chipboard, MDF, veneer panels, multiplex, etc, veneer panels, multiplex etc. Basic machine: Completely welded frame with extremely high rigidity. Precise guidance of the saw beam / saw unit saw unit for an accurate cut. Manual feed feed for vertical and horizontal cutting. Cutting depth: max. 60 mm Saw beam: Sturdy saw beam guided on precision guides. Pneumatic locking of the saw beam at the top and bottom. Electrically monitored in vertical cut Saw unit: Smooth and ergonomic operation for plunging and and removal of the saw unit. Immersion lever can be lever can be folded down in the upper position for precise immersion of the saw unit. Generously dimensioned lever for easy pivoting. Housing cover opens the complete opens the complete saw unit for easy tool change change incl. ProLock quick-action chuck. Light cut-out: Riving knife can be retracted. Control panel: Efficient operation of the machine. Ergonomically positioned at eye level. Lower workpiece support: Sturdy, wear-free stainless steel support. Support up to the cutting line: Narrow workpieces cannot tip or fall through Extraction: Effective extraction with two connections: Saw unit Ø 120 mm, frame end Ø 100 mm (with TRK variant) Lifting roller transport system: Manually liftable and lowerable rollers for easy and and gentle panel transport. Measuring tape: For displaying dimensions for horizontal cutting with three manual dimension displays: Absolute dimension from the lower workpiece support Absolute dimension from the middle workpiece support Serial cuts from the top edge of the panel This offer is an equipment package. The following items and options are already included in the price: - Sliding grid - Manual longitudinal stop for vertical cutting - Digital dimension display for horizontal cut - 3 adjustable stop points in the saw beam - TRK SH 2.200 suction device - Strip stop for recurring horizontal cuts Bsdpfx Amsu R Syioyjlk - new exhibition machine -

Condition: excellent (used), Pressure beam saw PANHANS ECOPAN -used- PC control with optimization, scoring unit, automatic cut length detection, side pressure device, air cushion tables, movable tables, infinitely variable feed rate of the saw carriage, label printer ----- Technical Data ----- Cutting length: 4,200 mm, Cutting width: 4,200 mm, Max. cutting height: 72 mm, Number of clamps: 6 pcs, Feed rate saw unit max.: 100 m/min, Bjdpfx Ajyrqrtjmyelk Feed rate for width stop max.: 80 m/min, Main saw motor power: 11 kW, Scoring saw motor power: 1.5 kW, Main saw blade Ø: 300 x 30 mm, Scoring saw blade Ø: 180 x 30 mm, Extraction port Ø bottom: 140 mm, Extraction port Ø on pressure beam: 3x100 mm, Airflow volume: 5,000 m³/h, Compressed air connection: 6 bar, Air consumption: 140 l/min, Nominal current: 38 A, Max. circuit breaker: 50 A Quality information: - complete basic inspection - complete basic cleaning - Electrics checked - immediately ready for operation