Used Okuma Lb 10 for sale (230)

Condition: good (used), Year of construction: 2014, functionality: fully functional, machine/vehicle number: 178501, turning length: 1,000 mm, travel distance X-axis: 280 mm, travel distance Z-axis: 700 mm, total height: 2,000 mm, total length: 5,000 mm, total width: 2,200 mm, overall weight: 5,000 kg, controller manufacturer: OKUMA, controller model: OSP-P 300 L, input voltage: 400 V, input frequency: 50 Hz, input current: 154 A, nominal power (apparent): 29 kVA, Equipment: chip conveyor, OKUMA LB 3000 EX 2 - M C 1000 CNC lathe - includes driven tool stations and a C-axis Dodpszxyd Dsfx Aptecl The machine is equipped with a tailstock, a 12-position tool turret, and a three-jaw chuck, diameter: 250 mm, manufacturer KITAGAWA, including a chip conveyor. FCA D-63843 Niedernberg

Condition: excellent (used), Year of construction: 1987, functionality: fully functional, turning length: 250 mm, turning diameter: 150 mm, spindle bore: 45 mm, spindle speed (max.): 6,000 rpm, spindle speed (min.): 60 rpm, travel distance X-axis: 150 mm, travel distance Z-axis: 285 mm, spindle motor power: 7,500 W, rapid traverse X-axis: 20 m/min, rapid traverse Z-axis: 25 m/min, rotational speed (min.): 60 rpm, rotational speed (max.): 6,000 rpm, swing diameter over cross slide: 150 mm, turning diameter over bed slide: 250 mm, type of input current: three-phase, bar passage: 45 mm, chuck outer diameter: 203 mm, spindle nose: A2-5, Equipment: documentation/manual, Weight: approx. 4,000 kg Dcodpjy T Hakofx Aptol Dimensions: approx. 2000 × 1700 × 2000 mm

Condition: excellent (used), functionality: fully functional, turning length: 1,000 mm, turning diameter: 350 mm, travel distance X-axis: 260 mm, travel distance Z-axis: 1,020 mm, CNC Lathe Manufacturer: Okuma Model: LB15 II-M 1SC-1000 Year of Manufacture: 1996 Dsdjzmgcvspfx Aptecl Control: OSP-7000L Country of Origin: Japan Delivery: Ex-stock Machine Features - Long turning length - Tailstock - Chip conveyor - Live tooling - One touch - IGF - Touch setter Technical Specifications - Working Areas - Swing diameter: 340 mm - Max. turning diameter: 350 mm (chuck work) - Max. turning length: 1000 mm Travel Distances - X-axis: 260 mm - Z-axis: 1020 mm Spindle - Speed: 45~4500 rpm - Standard spindle bore diameter: 62 mm - Spindle front bearing bore diameter: 100 mm - Chuck passage: 52 mm Turret - Number of stations: 12 - Tool holder: VDI40 - Indexing time station to station: 0.1 sec Feed Rates - Rapid traverse X/Z: 15,000/20,000 mm/min Tailstock - Quill diameter: 90 mm - Quill stroke: 120 mm Main Drive - Spindle motor: 15/11 kW Machine Dimensions: approx. 3315 x 1895 mm Machine Height: approx. 1905 mm Weight: approx. 5700 kg Optional - Transport organization and handling - Machine installation and setup - Commissioning of the machine

Condition: excellent (used), Year of construction: 2007, CNC Lathe Okuma LB 3000 EX -M C1000 Control: OSP-P200 Year of manufacture: 2007 Internal machine no.: 17 Turning length: 1,000 mm Turning diameter: 340 mm Swing diameter over bed: 580 mm Spindle speed: 45 – 5,000 rpm Tool turret: 12 stations (driven) Bar capacity: 80 mm Direct mount: BMT 60 Equipment: - One Touch IGF - Chip conveyor - Touch setter Dcodpfxsyk Sgps Aptsl - 3-jaw chuck (SMW 315 HB), capacity 85 mm - NC tailstock - Multi-language control - Coolant pump 8 bar

Condition: good (used), Year of construction: 1998, functionality: fully functional, Controller OSP700L Swing dia 300 mm Turning dia 170 mm Between centers 340 mm X travel 150 mm Z travel 350 mm C axis 360/0,001 degree Spindle hole D42 mm Chuck dia 200 mm Turret 12-fold Tool holder type VDI30 Spindle speed 50 - 6000 rpm Spindle power 5,5/7,5 kW Power required 400V, 15 kVA Weight 3500 kg Dimensions LxWxH = 2300 x 1635 x 1850 mm Accessories - C axis and live tool turret - Hydraulic tailstock - Coolant unit - Chip conveyor - Hydraulic 3 jaws, D160 mm chuck Dcedpfx Asvmzc Uoptjl - Machine light Good condition, still under power.

Condition: good (used), Year of construction: 2007, operating hours: 14,500 h, functionality: fully functional, turning diameter over cross slide: 370 mm, turning length: 1,000 mm, turning diameter: 340 mm, spindle bore: 62 mm, spindle speed (max.): 5,000 rpm, total height: 1,900 mm, total length: 3,200 mm, total width: 2,200 mm, overall weight: 7,500 kg, Equipment: documentation/manual, rotational speed infinitely variable, OKUMA LB300MC1000, OSP P200L control, V12 turret VDI40, V12 driven tools VDI40, manual tailstock, chip conveyor, coolant pump, standard spindle 5000 RPM, touch setter, Dedpfx Aeymfmnjptscl

Condition: excellent (used), Year of construction: 2001, functionality: fully functional, machine/vehicle number: 345, type of input current: three-phase, Equipment: documentation/manual, We are offering this very well-maintained Okuma LB200-M-C CNC lathe, year of manufacture unknown. Rated voltage: 400 V Number of phases: 3 Frequency: 50 Hz Maximum power consumption: 20.5 kVA Dodpfx Aozyfw Sjptjcl Total current consumption: 29.6 A Maximum motor current consumption: 47 A Current interruption at: 10 kA Diagram No.: W6200-100-956-5 Serial No.: 0345 If you have any questions or require further information, please feel free to send us a message or call us.

Condition: good (used), Year of construction: 2008, functionality: fully functional, CNC lathe Okuma LB 3000 EX MC 500 Control: OSP-P200L Year of manufacture: 2008 Internal machine number: 69 Turning length: 500 mm Turning diameter: 340 mm Swinging diameter over bed: 530 mm Dcsdpfxjzwlw To Aptol Spindle speed: 4,200 rpm Tool holder: BMT 60 Tool turret, 12 stations (powered) C-axis: 0.001 degrees Equipment: - One-touch IGF - Chip conveyor - Touch setter - 3-jaw chuck Kitagawa B-210 - NC tailstock

Condition: used, Year of construction: 2001, Technical data: Dcjdpfjqucnbsx Aptel Okuma Space Turn LB 300 MY Year of manufacture: 2001 Control: OSP U 100 L Max. Turning length: 340 mm Chuck diameter: 10 inch X-axis: 280 mm Y-axis: 120 mm Z-axis: 500 mm C-axis: 360°(0.0001°) Spindle: 4500 rpm Spindle clearance: 62 mm Weight: 6000 kg Accessories: -Driven tools -Chip conveyor -Transformer -Manuals

Condition: good (used), Year of construction: 2001, functionality: fully functional, turning length: 1,250 mm, turning diameter: 620 mm, spindle bore: 120 mm, spindle speed (max.): 3,500 rpm, travel distance X-axis: 300 mm, travel distance Z-axis: 1,275 mm, spindle motor power: 22 W, total height: 1,925 mm, total length: 3,980 mm, total width: 1,880 mm, overall weight: 7,600 kg, bar passage: 80 mm, spindle nose: JIS-A2-8, Equipment: documentation/manual, OKUMA SPACE TURN LB400-M – CNC TURNING CENTER OKUMA SPACE TURN LB400-M – a robust and powerful Japanese CNC turning and milling center designed for precision machining and series production of metal components. The machine is built on the proven OKUMA platform and offers high rigidity, reliability, and excellent performance for demanding CNC turning applications. The LB400-M version is equipped with driven tools and a C-axis, making it suitable for complex machining operations and allowing multiple machining processes to be completed on a single machine. MACHINE DATA Manufacturer: OKUMA Model: SPACE TURN LB400-M Type: CNC Turning & Milling Center Machine type: CNC Lathe / CNC Turning Center CNC Control: OKUMA OSP Number of axes: 2 + C-axis Turret: 12-position turret Driven tools: Yes C-axis: Yes Hydraulic chuck: Yes Coolant system: Yes Chip conveyor: [YES / NO] Tailstock: [YES / NO] Condition: Used / Good working condition MAIN FEATURES Robust Japanese OKUMA construction Dcedezwdw Eepfx Aptjl CNC turning and milling capability C-axis for complex machining operations Driven tooling 12-position automatic turret Hydraulic chuck High rigidity and stability Suitable for both single-part and series production Excellent machine platform for heavy-duty turning applications Machine available for inspection and testing The machine has a 3-year-old refurbished main spindle and X-axis.

Condition: excellent (used), Year of construction: 2005, operating hours: 6,820 h, functionality: fully functional, turning length: 1,075 mm, turning diameter: 620 mm, spindle bore: 110 mm, spindle speed (max.): 3,500 rpm, travel distance X-axis: 300 mm, travel distance Z-axis: 1,075 mm, rotational speed (min.): 3,000 rpm, total height: 2,780 mm, total length: 5,800 mm, total width: 2,100 mm, overall weight: 8,600 kg, CNC Lathe with c-axis Okuma - LB 400M Dsdpfjzu Nu Rox Aptecl MACH-ID 9780 Make: Okuma Type: LB 400M Control: OSP-E100L Year: 2005 KITAGAWA 400 mm chuck Spindle bore 110 mm Chip conveyor Feed rate X-Axis 20M/Min Feed rate Z-Axis 25M/Min Coolant and Filtration system Max. turning Ø: 620mm X-Axis: 300mm Z-Axis: 1075mm Spindle bore: 110mm Speedrange: 3500Rpm Spindle power: 45kW ATC / revolver: 12 Speed live tools:3000Rpm Chip conveyor: Yes Tool eye: Yes Hours: 6820H Pinole taper: 5Mk Length: 5800mm Width: 2100mm Height: 2780mm Weight: 8600kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: excellent (used), Year of construction: 2022, functionality: fully functional, CNC turning machine Okuma LU 3000 EX-M2SC 1000 Control system: OSP-P300LA Year of manufacture: 2022 Internal machine number: 66 Turning length: 1,000 mm Turning diameter: 340 mm Spindle speed: 5 - 5,000 rpm Tool shank: VDI 40 2 tool turrets A-turret: 12 tool positions / all positions powered Dedpjzwl Aijfx Aptscl B-turret: 8 tool positions - Tailstock - Hinged-belt chip conveyor - 3-jaw chuck Kitagawa B-212 Z220, bore in the chuck Ø 91 mm - Touch setter - One Touch IGF - Handwheel on the control panel - Tool monitoring system - Reinforced coolant pump, 8 bar

Condition: excellent (used), Year of construction: 2010, turning length: 995 mm, spindle bore: 80 mm, Max. turning Ø: 530mm X-Axis: 260mm Z-Axis: 995mm Spindle bore: 80mm Speedrange: 5000Rpm Spindle power: 22kW Subspindle speeds:6000Rpm Subspindle bore: 62mm Subspindle power:11kW ATC / revolver: 12 Speed live tools:6000Rpm Dcedpfox I Nbtsx Aptsl Tool eye: yes Hours: 2800H Length: 3000mm Width: 1800mm Height: 1900mm Weight: 6350kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: excellent (used), Year of construction: 2019, CNC Lathe Okuma LB 3000 EX II-MYW 800 Control: OSP-300LA Year of manufacture: 2019 Internal machine no.: 20 Dodpfx Aeyk Tbhsptscl Distance between centers or spindle noses: 1085 mm Swing diameter over cross slide / bed: 340 / 580 mm X-axis travel: 260 mm Y-axis travel: 115 mm Z-axis travel: 1,010 mm C-axis travel: 360 mm W-axis travel: 895 mm Main spindle speed: 45 - 5,000 rpm Sub spindle speed: 45 - 6,000 rpm Mounting: BMT 60 Tool turret: V12 (driven) Equipment: Chip conveyor One touch IGF Touch setter Main spindle Hainbuch Ø 65 mm Sub spindle SMW Autoblok KNCS-N 170-43 Coolant system HMF-980 with paper band filter Bar feeder / robotics interface prepared

Condition: excellent (used), Year of construction: 2008, functionality: fully functional, machine/vehicle number: 13764x, Equipment: documentation/manual, CNC lathe in very good condition, available for demonstration in production, complete with extensive accessories. Last inspection: 2026 Dcedpfxozx Aqgs Aptjl Release date: available on short notice.

Condition: excellent (used), Year of construction: 2018, CNC Lathe Okuma LB 3000 EX II Control: OSP-P300LA Year of manufacture: 2018 Internal machine no.: 19 Turning length: 500 mm Turning diameter: 340 mm Swing diameter over bed: 530 mm Spindle speed: 45 – 5,000 rpm Tool turret: 12 stations (driven) Tool holder: BMT 65 Spindle bore: Ø 72 mm Equipment: Chip conveyor Parts catcher Dsdpeylhmuefx Aptocl Touch setter Programmable sub-spindle One Touch IGF 3-jaw power chuck Kitagawa Various driven and static tools

Condition: ready for operation (used), Year of construction: 2022, travel distance X-axis: 260 mm, travel distance Y-axis: 115 mm, overall weight: 6,850 kg, controller manufacturer: OKUMA, controller model: OSP-P300LA, number of axes: 5, This 3-axis Okuma LB 3000 EX II was manufactured in 2022, featuring a robust horizontal turning capability. It includes an Iemca KID 80 bar feeder, a 250 mm SMW chuck, and a 170 mm Kitagawa chuck. With a main spindle motor power of 22 kW and rotational speeds up to 6000 rpm, it ensures efficient turning operations. If you are looking to get high-quality turning capabilities consider the Okuma LB 3000 EX II machine we have for sale. Contact us for more information. • Distance between spindle noses: 1085 mm • Maximum turning diameter: 340 mm • Bar capacity through main spindle draw tube: 80 mm • Sub spindle bore: 63 mm • Bar capacity through sub spindle draw tube: 52 mm Dcedpox D Rvnsfx Aptsl • Rotational speed of driven tools: 45–6000 rpm Additional equipment • Iemca KID 80/16 Plus bar feeder (2022) — KID 80 included • 250 mm SMW chuck on the main spindle • 170 mm Kitagawa chuck on the sub spindle • 6 sets of soft jaws • 4 straight driven tool holders • 4 angled driven tool holders • 2 double turning tool holders • 4 boring bar holders • 8 standard turning tool holders • 8 straight ER holders with about 30 ER collets

Condition: ready for operation (used), Year of construction: 2013, spindle speed (max.): 6,000 rpm, travel distance X-axis: 260 mm, travel distance Z-axis: 550 mm, spindle motor power: 11,000 W, controller manufacturer: OKUMA, number of axes: 5, This 5-axis Okuma LB2000EX II was manufactured in 2013. It features a maximum turning diameter of 360 mm and a turning length of 500 mm. The machine includes a robust turret with 12 stations and a main spindle speed of 6,000 rpm. If you are looking to get high-quality turning capabilities, consider the Okuma LB2000EX II horizontal turning machine we have for sale. Contact us for further details. • Maximum turning diameter: 360 mm • Maximum turning length: 500 mm • Maximum bar capacity: 62 mm • W-axis travel: 500 mm • C-axis indexing: 0.001° • Main spindle nose: ASA 6" • Sub-spindle maximum speed: 6,000 rpm • Sub-spindle motor power: 11 / 7.5 kW • Turret stations: 12 • Driven tool speed range: 45–6,000 rpm • Driven tool motor power: 5.5 / 3.7 kW • Turning tool size: 20 × 20 mm • Boring bar capacity: Ø32 mm Additional equipment • Bar feeder: TOP XF365 (YOM 10/2013, installed 2014) • Hinge-type chip conveyor • Manual tool setter (presetting) • Parts catcher Dcedpszcphujfx Aptsl Technical Specification Counter Spindle Yes Driven Tools Yes

Condition: ready for operation (used), Year of construction: 2011, spindle speed (max.): 4,200 rpm, travel distance X-axis: 260 mm, travel distance Y-axis: 115 mm, travel distance Z-axis: 1,065 mm, spindle motor power: 30,000 W, total height: 1,970 mm, total width: 1,900 mm, overall weight: 6,000 kg, product length (max.): 3,310 mm, number of axes: 5, This 5-axis Okuma LB 3000 EX MYW 800 was manufactured in 2011. It features a maximum turning diameter of 410 mm and a distance between centers of 1,020 mm. The machine includes a robust tool turret with 12 positions and a maximum spindle speed of 4,200 rpm. If you are looking to get high-quality turning capabilities, consider the Okuma LB 3000 EX MYW 800 horizontal turning machine we have for sale. Contact us for further details. • Working capacity: • Distance between centers: 1,020 mm • Maximum swing over covers: 580 mm • Swing diameter between centers: 470 mm • Maximum turning diameter (standard tools): 410 mm • Maximum turning diameter (driven tools): 340 mm • Main spindle: • Type: Big Bore ASA 8 • Air blow system for the self-centering chuck • Spindle opening and closing possible during rotation • Axis travel: • W: 825 mm • Rapid traverse: Dcodjzpwu Ujpfx Aptol • X: 25 m/min • W: 25 m/min • Z: 30 m/min • Y: 12.5 m/min • Sub-spindle: • Connection: Flat 140 • Maximum speed: 6,000 rpm • Tool turret: • Type: OKUMA • Tool positions: 12 • Driven-tool power: 7.1 kW / 4.1 kW • Maximum driven-tool speed: 6,000 rpm Additional equipment • LNS Quick Load Servo III bar feeder • Bar interface preparation • Right-side chip conveyor • Finished-part catcher arm • MSCTN80 A8 collet chuck with various collets • Tool holder kit • Kitagawa BB210 self-centering chuck • Kitagawa B206 self-centering chuck Technical Specification Counter Spindle Yes Driven Tools Yes

Condition: ready for operation (used), Year of construction: 2022, spindle speed (max.): 5,000 rpm, travel distance Y-axis: 120 mm, spindle motor power: 22,000 W, number of axes: 4, This 4-axis Okuma LB 3000 EXII was manufactured in 2022. It features a spindle speed of 5,000 rpm and a spindle power of 22 kW. The machine includes a 12-position motorized turret and a Y-axis travel of 120 mm. If you are looking to get high-quality turning capabilities, consider the Okuma LB 3000 EXII horizontal turning machine we have for sale. Contact us for further details. Dsdpfjyq Ngmsx Aptscl • Control: OSP P 300LA • Spindle: ASA 6" nose (bore 80 mm, without drawbar); bar capacity 52 mm (Kitagawa SR1453 cylinder); electric spindle orientation • Axes: Y-axis travel 120 mm ; C-axis rotation 360° (0.001° increment) • Turret: 12-position radial, motorized; turret motor 6,000 rpm, 7.1 kW • Tailstock: CM5; 500 kgf thrust; rotating tip • Pedals: Separate for spindle and tailstock • High-pressure coolant pump: 0.8 kW; 6 bar; 20 l/min • Tool presetting: Manual • Programming: Conversational IGF

Condition: used, Year of construction: 2023, functionality: fully functional, turning diameter over cross slide: 410 mm, turning length: 500 mm, turning diameter: 410 mm, spindle bore: 80 mm, spindle speed (max.): 5,000 rpm, travel distance X-axis: 260 mm, travel distance Y-axis: 90 mm, travel distance Z-axis: 510 mm, spindle motor power: 22,000 W, rapid traverse X-axis: 25 m/min, rapid traverse Y-axis: 12 m/min, rapid traverse Z-axis: 30 m/min, rotational speed (max.): 5,000 rpm, total height: 2,145 mm, total length: 3,272 mm, total width: 2,619 mm, quill stroke: 150 mm, overall weight: 6,800 kg, swing diameter over bed slide: 580 mm, Equipment: documentation/manual, We offer this used Okuma LB3000 EX II MY CNC lathe with ARMROID Automation. Year: 2023. Control: OSP-P300LA Excellent Clean Condition, fully operational and under power. Configuration: Single spindle CNC Turning Center with Armroid Robotic Arm. Main Spindle Seed: Up to 5,000 rpm Spindle Bore / Bar Capacity: 80mm Max Turning Diameter: 410mm Max Turning Length: 500mm Swing Over Bed: 580mm Turret: 12-station live tol turret Spindle Motor Power: 15 kW (20 HP) - (continuous) Djdpfxszi Ihfj Aptjcl Y Axis Travel: 120mm (+70 * -50mm) Thermal Stabilization system (TAS for spindle and structure) to mitigate thermal expansion. Tail Stock Integrated Okuma robotic arm system for lights-out operation. Chip conveyor Regularly maintained and in excellent condition - last service September 2025 Byer is responsible for removal and delivery Machine can be used with or without robot loader as required making it very versatile

Condition: excellent (used), Year of construction: 2017, CNC Lathe Okuma LB 4000 EX II – M C750 Control: OSP-P300LA Year of manufacture: 2017 Internal machine no.: 22 Turning length: 750 mm Djdpfx Apeyk Uimotjcl Turning diameter: 430 mm Swing diameter over bed: Ø 670 mm Swing diameter over carriage: Ø 480 mm Spindle speed: 42 – 4,200 rpm Tool turret: V12 (all stations driven) Equipment: Chip conveyor Touch setter OneTouch IGF 3-jaw chuck Tailstock

Condition: used, Year of construction: 2001, turning diameter: 210 mm, spindle bore: 53 mm, travel distance X-axis: 195 mm, travel distance Y-axis: 80 mm, travel distance Z-axis: 700 mm, rotational speed (max.): 6,000 rpm, overall weight: 6,500 kg, distance table center to spindle nose: 960 mm, OKUMA OSP-U100L control unit, with TOP AUTOMAZIONI XF370 bar feed system. Dcsdpezw Nu Nsfx Aptsl Workholding and tooling are not included. MUST BE PICKED UP BY SEPTEMBER 2026.

Condition: good (used), Year of construction: 2005, functionality: fully functional, Max turning diam 530mm, max turning length 1,025mm Main spindle A2-8, 38-3,800Rpm, bore 80mm, 22 Kw. Chuck 210mm. Sub spindle A2-6, 5,000Rpm, bore 62mm, 22 Kw. Chuck 200mm. X 475mm, Z 1,170mm, Y 160mm, B axis Capto C6, 200-6,000Rpm, cooling through spindle 30 bar. Index 1 dg. Lower turret 12 pos VDI 40. ATC 44 pos. SMW SLU2 hydraulic steady 12-110mm diam. Thermal heat compensation, type TAS-C. 45° B axis indexing for multitools. Dcjdpfezghc Dsx Aptsl Helical machining. Tool wear offset function. Tool reteact function. Tool-Offset 200 pos. Control OSP-E100M. Absoscales XA / XB. Portal loader Fastem / Fanuc.

Year of construction: 2012, condition: good (used), OKUMA LATHE mod. LB – 300M Year 2012 Manufacturer OKUMA Model LB 300M X 500 Technical features CNC OSP U100L C axis Capacity max dia. turning 340 mm Max turning length 480 mm Center distance 500 mm Aces X axis travel 280 mm Z axis stroke 500 mm C axis 360° (0.001 increment) Rapid X-axis 20,000 mm/min Z axis rapid 25,000 mm/min C axis 200 rpm Incremental X Z axes from 0.001 to 1.000 mm Spindle ASA 8 attack Speed 45-3800 rpm Power 22 kW Bar passage diameter 65 mm Ranges 2 electronic Driven tools Speed 45-4500 rpm Power 3.3 kW Turret Type V 12 NCM Stations 12 Square tool section 25 mm Boring bar section 40 mm Tailstock Quill diameter 90 mm Quill stroke 120 mm MT5 quill attachment Chip conveyor Complete with ~ VDI 40 turret ~ Kitagawa B208 chuck ~ Chip conveyor ~ I blow air ~ Robot interface ~ High pressure refrigeration pump ~ Automatic door ~ Various turning tool holder kits (for external and internal) Dcodpfsl Uwnnjx Aptol ~ 4 radial driven tools ~ 4 axial driven tools Machine provided with CE certification and manuals All the technical data shown are indicative and can be modified without notice and therefore they must not be considered binding