Used Broaching Machine, Vertical - Broaching Machine for sale (66,242)

Year of construction: 1978, condition: good (used), U.S. MODEL 50TX120 VERTICAL PULL DOWN BROACH Equipped with: Retriever Puller Hydraulic System Coolant System Chiller Lsdpertrzlsfx Aiijab Chip Conveyor Manuals Specifications: Normal Broaching Capacity: 100,000 Lbs at 922 PSI Peak Force Capacity: 133,600 Lbs at 1350 PSI Main Slide Stroke (Bump Inches): 106 Maximum Cutting Speed: 20 Ft/Min. Maximum Return Speed: 40 Ft/Min. Main Pump Motor: 75 HP at 900 RPM Hydraulic Reservoir: 365 Gallons Handling Pump Motor: 10 HP at 1200 RPM Coolant Pump Motor: 1.5 HP at 1800 RPM Coolant Pump Capacity: 100 Gallons / Min at 23 Head Ft. Coolant Reservoir Capacity: 600 Gallons Approx. Floor Space ( Width x Depth x Height): 65" x 96" x 243" Net Weight, Approximate: 79,000 #

Year of construction: 2012, condition: ready for operation (used), functionality: fully functional, machine/vehicle number: BCOR12150, BIESSE BREMA EKO 902 CNC and vertical dowel insertion machine for reduced cycle times Equipment Features - Clamping grippers measure the thickness to adjust drilling depth - Laser-based measuring system for detecting the front and rear panel edges - Length tolerance compensation correcting the workpiece length in X - 5-position tool changer - Drilling head with individually retractable spindles and grooving saw - Diameter: 120 mm - Gluing and dowel insertion units mounted on Y and Z axes Ljdpfx Aiow Nytnsioab Options - 4.5 kW electrospindle; 18,000 rpm - Special drilling unit for hinges Technical Data - Panel length: 160 - 3200 mm - Panel width: 35 - 900 mm - Panel thickness: 8 - 80 mm - X/Y/Z axis speed: 100 / 60 / 30 m/min - X axis travel: 3200 mm - Y axis travel: 900 mm - Main spindle power: 4.5 kW - Number of controlled axes: 3 axes - Number of drilling spindles: 20 - Number of tool positions: 5

Condition: excellent (used), Year of construction: 2013, operating hours: 11,000 h, functionality: fully functional, travel distance X-axis: 400 mm, travel distance Y-axis: 435 mm, travel distance Z-axis: 500 mm, rapid traverse X-axis: 36 m/min, rapid traverse Y-axis: 36 m/min, rapid traverse Z-axis: 30 m/min, feed rate X-axis: 15 m/min, feed rate Y-axis: 15 m/min, feed rate Z-axis: 15 m/min, nominal power (apparent): 54 kVA, torque: 117 Nm, controller manufacturer: Fanuc, controller model: i Series, workpiece height (max.): 200 mm, workpiece diameter (max.): 300 mm, total height: 300 mm, total length: 2,465 mm, total width: 2,835 mm, table width: 200 mm, table load: 60 kg, rotary table diameter: 200 mm, overall weight: 5,500 kg, spindle speed (min.): 120 rpm, spindle speed (max.): 12,000 rpm, operating hours of spindle: 11,000 h, coolant supply: 20 bar, spindle nose: DIN40, number of spindles: 1, number of slots in tool magazine: 30, tool length: 300 mm, tool diameter: 125 mm, tool weight: 8 g, input voltage: 400 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, 2013 Doosan DNM 200/5AX 5 Axis CNC Machining Centre Used 2013 Doosan DNM 200/5AX (4+1) 5-axis CNC machining centre with Fanuc i Series control, probe, tool holders, spindle chiller, transformer, swarf conveyor and only 11,000 run time hours. Manufacturer: Doosan Model: DNM200/5AX Machine Type: 5 Axis (4+1) Machining Centre Year: 2013 Control: Fanuc Series i Control Hours: 11,000 Run Time Hours Machine Description 2013 Doosan DNM 200/5AX CNC Machining Centre, a compact, high-performance 4+1 - 5-axis vertical machining centre ideal for precision engineering, toolmaking, aerospace, medical, motorsport, mould and die, and complex component machining. This machine is fitted with a Fanuc i Series CNC control and has only 11,000 run time hours, making it an excellent opportunity for manufacturers looking for a reliable used 5-axis machining centre with strong capability, premium features and valuable accessories included. The Doosan DNM 200/5AX is well known for combining compact footprint, rigid construction and 5-axis positioning. It is ideal for reducing setups, machining complex parts and increasing productivity compared with conventional 3-axis machining. Key Features 2013 Doosan DNM 200/5AX 4+1 5 Axis CNC Machining Centre Fanuc i Series Control Only 11,000 Run Time Hours Includes Renishaw OMP60 probe Includes tool holders Includes spindle chiller Includes transformer Includes swarf conveyor Compact 5-axis machining solution Ideal for complex component machining Technical Specifications X Axis Travel: 400 mm Y Axis Travel: 435 mm Z Axis Travel: 500 mm A Axis Travel: 150 Deg (+30 to -120Deg) C Axis Travel: 360 Deg Table Diameter: 200 mm Max Load on Table: 60 kg Max Workpiece: 300mm Dia x 200mm High Spindle Speed: 12,000 rpm Spindle Taper: DIN40 Pullstud: Nikken PS-806 Tool Capacity: 30 Station ATC Rapid traverse (X, Y): 36000mm/min Rapid traverse (Z): 30000mm/min Rapid traverse: (A - tilt axis) 20 rpm Rapid traverse: (C – rotary axis) 30 rpm Maximum feedrate: (X, Y, Z) 15000mm/min Maximum feedrate: (A, C) 7200 deg/min Feedback system: Absolute encoder Max Tool Diameter: 125mm Max Tool Length: 300mm Max Tool Weight: 8kg Spindle motor AC: 11/18.5kW Axis motor (XYZ): AC 4.0kW Axis motor (A axis): AC 3.0kW Axis motor (C axis): AC 1.6kW Power Requirements: 54.0 kVA Air Pressure: 6kgf/cm2 Machine Dimensions: 2465 x 2835 x 3091mm Approx. Machine Weight: 5,500 kg Run Time Hours: Approx. 11,000 hours Included With This Machine Renishaw OMP60 Probe Tool holders Spindle chiller Transformer Laodpoy St Sdofx Aiisb Swarf conveyor Fanuc i Series CNC control Why Buy This Doosan DNM 200/5AX? This machine is a strong choice for companies searching for a used 5 axis CNC machining centre, used Doosan machining centre, Doosan DNM 200/5AX for sale, or compact 5-axis vertical machining centre. The 4+1 machining capability allows users to machine multiple faces of a component in fewer setups, helping to reduce handling time and increase production efficiency. With a compact table, high spindle speed and Fanuc control, this machine is particularly suited to small to medium batch production and complex prismatic parts. Applications This Doosan DNM 200/5AX is suitable for: Aerospace components Medical components Motorsport parts Toolroom machining Mould and die work General subcontract machining Complex 4+1 machining Notes: *Specifications are given in good faith but not guaranteed*

Condition: used, Year of construction: 2008, 2008 Hardinge Bridgeport XV710 CNC Vertical Machining Centre With Siemens 810D Control Lodjy Syguspfx Aiioab Table Dimension 760 x 420mm (3 'T' Slots). 'T'-Slot Dimension 16mm. Maximum Table Load Approx 450kg. Axis Travel 'X'=711mm, 'Y'=457mm, 'Z'=457mm. Spindle Nose To Table Min/Max 150-580mm. Rapid Traverse 'X'=36m/min, 'Y'=36m/min, 'Z'=36m/min. Maximum Cutting Feedrate 12,000mm/min. Maximum Spindle Speed 10,000rpm (10HP Motor). Spindle Taper ISO 40 BIG-Plus. 20 Position ATC. S/No. 080011WM (2008). With Coolant System, Renishaw NC4 Laser Tool Presetter, Filtermist FX4000 Mist Extraction Unit, Signal Tower, Lubrication Grease (Direct Drive). & Handwheel. Weight 3,900kg.

Condition: excellent (used), Year of construction: 2013, 2013 Quaser MF400 5 Axis CNC Vertical Machining Centre with Tilting Rotary Table with Siemens 828D CNC Control Tilting Rotary (Trunnion) Table Dimension Ø320mm (4 'T' Slots). Maximum Swing Ø400mm. Maximum Table Load 100Kg. Axis Travel 'X'=410mm, 'Y'=610mm, 'Z'=510mm, 'A'=+30/-120Deg, 'C'=360deg. Rapid traverse 'X/Y'=36 m/min, 'Z'=25m/min. MAximum Cutting Feedrate 20m/min. Maximum Spindle Speed 15,000rpm (Motor 15/20HP). Spindle Taper BT40. ATC Capacity 30 Tools. Maximum Tool Ø76mm (Ø125mm non Adjacent Tools), Maximum Tool Length 280mm. S/No. (TBC) (2013) Lajdpfx Aoy Sya Uoiiob With Through Spindle Coolant, Filtermist FX6002 Mist Extraction Unit, Renishaw Spindle Probe Interface, Hand Wheel & Signal Tower. Note: Tooling & Work Holding Not Included.

Condition: used, Year of construction: 2007, 2007 Haas Super Minimill Vertical Machining Centre with Haas CNC Control Table Dimensions 914mm x 305mm with (3) T Slots. Max Table Load 227kg. 'X' Axis Approx 405mm, 'Y' Axis Approx 305mm, 'Z' Axis Approx 250mm. BT40 Spindle Taper. Spindle Speeds 0-10,000 RPM. Spindle Motor 11.25kW. Spindle Nose to Table Min/Max Approx 102mm/350mm. 10 Station ATC. S/No. 1060226. Lajdpoy Sx Uqjfx Aiisb With 150mm Width of Jaw Machine Vice. Programmable Backstop. Coolant System. Machine Light. Dimensions of Machine Approx 1,700mm x 1,550mm x 2,200mm High. Weight Approx 1,560kg. Power Supply 415 Volt, 3 Phase. Includes (7) Assorted BT 40 Arbors with Cutters & Assorted Machine Fixtures.

Condition: good (used), Year of construction: 2008, Traverses X Y Z: 1020 x 510 x 510mm, Table 1200 x 450mm, Spindle speed 8,000rpm, Spindle taper BT40, Lajdpfxey Tka Uj Aiijb Spindle Motor 11kW, Fanuc Oi-MC Control, 24 Station ATC, Coolant, Low Volt light, swarf conveyor

Condition: used, functionality: fully functional, power: 3.68 kW (5.00 HP), input voltage: 380 V, type of input current: three-phase, Microcut Vertical Turret Milling Machine – 5HP Microcut vertical turret milling machine manufactured by Buffalo Machinery Co. Ltd, Taiwan. Heavy duty industrial machine fitted with power feeds, coolant system and machine vice. Model: 5VK type with 5HP motor and 380V 3 phase supply. Suitable for precision engineering, fabrication, maintenance workshops, toolrooms and general machining work. Ledpfxjy R Ebno Aiijab Features include: Vertical turret milling head Large T-slot table Power feed controls 5HP motor 380V 3 phase Machine vice included Coolant tray and lubrication system Variable speed head Heavy cast iron industrial construction Machine is in good used workshop condition with normal cosmetic wear from industrial use. It is complete and operational. Ideal for engineering shops, maintenance departments and production work. Loading available on site. Transport can be arranged. Viewing welcome. Open to sensible offers.

Condition: used, Year of construction: 2005, Mazak Variaxis 730-5X CNC Vertical Machining Centre. S/No. 567181684 (2005). Country of Origin: Japan Lasdpsy Sha Aefx Aiijb Location: These lots are located in Dundee, Scotland, UK. Unfortunately there are no loading facilities on-site, dismantling and loading will be at the cost of the Purchaser. All/Any tooling is being offered as specifically described.

Condition: used, Year of construction: 2022, Mazak VTC 820/20 CNC Vertical Machining Centre with Mazatrol Smooth G Touch Screen CNC Control. S/No. 323190 (2022), Table Size 2500mm x 820mm, Spindle Speed Max 18,000rpm, CAT40 Spindle Taper, 30 Tool ATC Fitted with Various Tool Holders and Renishaw Probe, Cromar Series IV Swarf Coolant System, CIL 1501 Chiller Unit, Clara 3nine Oil Mist Filter Extractor, Machine Weight 14,000kg. Country of Origin: United Kingdom Lasdpfx Aoy Shhyeiiob Location: These lots are located in Gateshead, UK. Unfortunately there are no loading facilities on-site, dismantling and loading will be at the cost of the purchaser. All/Any tooling is being offered as specifically described

Condition: not inspected (used), Year of construction: 2000, travel distance X-axis: 610 mm, travel distance Y-axis: 405 mm, travel distance Z-axis: 510 mm, overall weight: 4,000 kg, spindle speed (max.): 8,000 rpm, Ultimax control system Table: 760 x 400 mm Travel: 610 x 405 x 510 mm Tool changer: 24 tools Maximum spindle speed: 8,000 rpm Weight: 4,000 kg Laodsy T Ekbjpfx Aiiob

Condition: ready for operation (used), Year of construction: 2004, travel distance X-axis: 600 mm, travel distance Y-axis: 450 mm, travel distance Z-axis: 450 mm, nominal power (apparent): 10 kVA, overall weight: 6,500 kg, spindle speed (max.): 20,000 rpm, Heidenhain TNC530, 4th axis rotary table spindle 20,000 rpm, HSK 63 table 850x530 mm travels 600x450x450 mm Lsdpfxew Dc Irs Aiijab 30-tool changer weight 6,500 kg

Condition: used, machine/vehicle number: 007734, X axis working area: 3050 mm Y axis working area: 850 mm Main Electrospindle power: 5 KW Total number of drilling spindles: 19 Laodpfx Aiew Idb Hjiob

Condition: used, machine/vehicle number: 007289, X axis working area: 3200 mm Y axis working area: 900 mm Main Electrospindle power: 4.5 KW Number of controlled axes: 3 axes Total number of drilling spindles: 16 Laodpfx Aiowukyqsieb

Year of construction: 2007, condition: used, Dimensions (LxBxH): 325 x 201 x 351 cm Quick coupler system: Yes Serial number: IN 64931/07 X-axis: 2500 mm Y axis: 1000 mm Z-axis: 800 mm Machine length: 3259 mm Machine width: 2011 mm Machine height: 3510 mm Model: LK V-SL High-accuracy coordinate measuring machine (HA) Renishaw control system Probe head controller: PHC 10-2 Interface selector: 191-2 Probe interface: PI 200 Laser control system: LC60DX Laser scanner accuracy: 9 µm Renishaw PH10M motorized indexing measuring head A-axis rotation: ±180° B-axis rotation: 0-115° Indexation step: 7.5° Total positions: 720 Maximum stylus weight: 300 g Maximum stylus length: 300 mm Position repeatability: ±0.4 µm SCHUNK quick-change clamping system Model: VERO-S NSE plus 90 Module diameter: 90 mm Operating pressure: 6 bar Clamping force: 25,000 N (25 kN) Material: hardened stainless steel Operation: pneumatic actuation with mechanical self-locking Positioning accuracy: ≤ 0.005 mm Last calibration: 19-09-2024 Renishaw control system: Probe head controller: PHC 10-2 Interface selector 191-2 Probe interface PI 200 TP 200 Renishaw probe Laser control system. LC60DX The LC60Dx is designed for high-speed, medium-range 3D laser scanning on coordinate measuring machines (CMMs). It offers excellent performance when scanning large parts, such as molds, car panels or structural components, with accuracies of up to 9 microns. Renishaw PH10M - Motorized indexing measuring head Rotational axes: A-axis: ±180° B-axis: 0-115° Indexing step: 7.5° → giving a total of 720 positive positives Interface: Autojoint/M8 connector (compatible with modular test systems such as Renishaw TP200, SP25M or Nikon/Metris laser scanners) Maximum stylus weight: approx. 300gr Maximum stylus length: up to 300 mm Lsdpsy T Razsfx Aiioab Position repeatability: ±0.4 µm (0.0004 mm) Applications: Measurement of parts with complex shapes (turbine blades, molds, housings, etc.). Used with probes such as Renishaw SP25M, TP200 or Nikon/Metris LC15Dx Compatible with most CMM brands (DEA, Hexagon, Mitutoyo, Wenzel, LK, etc.) SCHUNK - quick-change clamping system for use on CNC machines. It is intended for securing pallets, clamping workpieces on the machine table with very high positioning accuracy (up to 0.005 mm). Manufacturer: SCHUNK (Germany) Model: VERO-S NSE plus 90 Type: Quick-change clamping module Module diameter: 90 mm Operating pressure: 6 bar Clamping force: up to 25,000 N (25 kN) Material: hardened stainless steel Operation: Pneumatic operation with mechanical self-locking Positioning accuracy: ≤ 0.005 mm Already partially disassembled Resale at reduced prices from the online auction of a former tire mold manufacturing plant with high-end metalworking machines and tools (e.g. 2 BRETON CNC machining centers, FANUC 6-axis robotic arm, STAUBLI precision milling robot, Nikon coordinate measuring machine (CMM), OMV CNC milling machines, MARIO CANARGHI CNC carousel lathe, CHARMILLES spark erosion machine, SM Systems advanced laser/microlasher, HINDENLANG induction furnaces, etc.), workshop tools, spare parts, rolling stock (e.g. TOYOTA, STILL...

Condition: used, Year of construction: 2010, x-travel 800 mm Ljdpey Ay Itofx Aiieab y-travel 600 mm z-travel 500 mm control Heidenhain iTNC 530 weight of the machine ca. 8300 kg

Condition: used, Year of construction: 2019, x-travel 406 mm y-travel 305 mm z-travel 254 mm control Haas table-size 730 x 305 mm table load 227 kg Distance spindle nose and table SK 40 no. of tools in the magazine 10 Stück turning speeds 6000 U/min power capacity 5,6 kW rapid travel x/y/z 15,2 m/min feed 16,5 m/min Laedpfx Aijy T R Rgsijb weight 1,55 t dimensions 1,95 x 1,8 x 1,8 m 3 axis Vertical Machining Center in very good condition. Only 800 h Machine power on. - vakuum plate

Condition: excellent (used), Year of construction: 2008, Opportunity to purchase this outstanding 5-axis HERMLE C30U including an additional tool magazine ZM157. Ljdpfxey Tulus Aiijab This machine is in good condition with 20093 spindle hours on the counter. Machine can be inspected in operation upon appointment in the Belgium. Availability: 10/2026 Included: Magazine expansion: 157 positions (189 positions in total) Linear axes Standard version NC rotary table: ø280 6-fold rotary feedthrough A-axis position center Y = 300 IKZ 40-80 bar Scrap belt conveyor Blow-cleaning device Automatic cab door Manual cab roof Polycarbon safety windows Rotating transparent window iTNC electric heat compensation iTNC electronic handwheel BLUM Tool breakage detection A1 Coolant gun CNC control Heidenhain iTNC530 Max. spindle speed 18,000 rpm Spindle taper HSK-A63 DIN 69063 Travel paths X-Y-Z 650- 600- 500 mm Tool Magazine extension 157 positions (189 positions in total) Tool diameter 80 mm Tool diameter with adjacent clearance 125 mm Max. tool length 300 mm Max. tool weight 8 kg Max. magazine load 1256 kg Table plate ø 280 mm Center bore ø 32 H7 Swivel range A-axis = +/- 115° / C-axis = 360° Table load capacity 300 kg Please note: The information on this page has been obtained to the best of our ability and belief. This information is provided in good faith, but its accuracy is not guaranteed. Accordingly, this information is not binding and does not constitute a contractual condition. We recommend that you check all essential details during an inspection of the machine. To save unnecessary travel costs for our customers, in most cases we recommend organizing a live video inspection.

Condition: new, Main Motor Power 15/18.5 kW Table Size 2000x900 mm Laedpfx Asy T H Smoiisb T-slot Size 5/22/165 mm Table Load Capacity (Max.) 1600 kg X, Y, Z Travel 1800, 900, 600 mm Spindle-Table Distance 112-712 mm Spindle-Column Distance 950 mm Spindle Speed 10,000 rpm, Direct Drive Spindle Taper BBT50 Spindle Diameter 190 mm X, Y, Z Rapid Traverse Rate 12/12/12 m/min X, Y, Z Motor Power 4.5/4.5/4.5 kW Cutting Feed Rate 8000 mm/min Magazine Capacity 24 Stations, Arm Type ATC Max Tool Diameter 110/220 mm Tool-to-Tool Change Time 2.91 sec Control Unit Mitsubishi M80V - Fanuc 0i-MF PLUS Drive and Encoder Mitsubishi - Fanuc Main Motor Torque 143/236 Nm X, Y, Z Guideway Load Capacity 77.8/159 Nm X, Y, Z Guideway 55/45/Box Type mm X, Y, Z Leadscrew Diameter 55/55/55 mm Positioning Accuracy +/-0.006 Repeatability of Positioning Accuracy +/-0.004 Required Total Power 34.5 kW/40 kVA Machine Dimensions 5900x4300x3500 mm Net Weight 16,000 kg

Condition: excellent (used), Year of construction: 2013, CNC Control: M730BM X mm: 1,050 Y mm: 530 Z mm: 510 Worktable dimensions mm: 1,350 x 600 Table load capacity kg: 1,200 Distance spindle nose to table mm: - Cutting feed mm/min X,Y,Z: - Max. rapid traverse m/min X, Y, Z: 30,30,30 Spindle speed rpm: 12,000 Spindle power HP: - Taper type: BT-40 Torque Nm: - Tool changer type: - Lodpfx Aijymxbfoieab Tool changer positions: 30 Max. tool diameter mm: 80 Max. tool diameter with adjacent positions empty: 150 Max. tool length mm: 300 Max. tool weight kg: 8 Coolant tank capacity l: - Through-spindle coolant bar: - EQUIPMENT Chip conveyor Work light Electronic handwheel BT-40 taper

Condition: used, machine/vehicle number: 008469, X axis working area: 3050 mm Y axis working area: 850 mm Laedeywafuspfx Aiijb Number of controlled axes: 3 axes Total number of drilling spindles: 19 Total number of tool changer positions: 4

Condition: excellent (used), TECHNICAL DETAILS CNC Control: FANUC Series 31i-A5S X mm: 500 Y mm: 350 Z mm: 510 B mm: +160--180 C degrees: 360 Number of pallets: 1 Table dimension mm: Ø350 Table load capacity kg: 300 Cutting feed mm/min X, Y, Z: 50,000, 50,000, 40,000 Lasdpfsym Rt Tox Aiisb Max. rapid traverse rate m/min X, Y, Z: 50, 50, 40 Spindle speed rpm: 12,000 Spindle power kW: 18.5/15 Taper type: BT-40 Torque Nm: - Tool changer type: Chain Positions in tool changer: 120 Max. tool diameter mm: 90 Max. tool diameter with adjacent positions empty: 125 Max. tool length mm: 300 Max. tool weight kg: 8 Coolant tank capacity l: 750 Through-spindle coolant: Yes EQUIPMENT Rotary table with digital drives: Included Work light: Included Through-spindle coolant Hydrajet WP10-1000: Included Electronic handwheel included in CNC panel: Included Oil/coolant separator: Included Part inspection probe RENISHAW OMP60 ToolBrake probe RENISHAW RMI-QE MACHINE DIMENSIONS Length mm: 2,339 Width mm: 3,820 Height mm: 3,250 Weight kg: 9,400

Condition: used, Year of construction: 2007, x-travel 800 mm y-travel 650 mm z-travel 500 mm Laedpoy T Scwsfx Aiiob Control Heidenhain iTNC 560 spindle tunring speed 12.000 U/min In our estimation, the machine is in good used condition and can be inspected under power by appointment. Accessories, as well as the tools and clamping devices shown in the images, are included in the scope of delivery only if explicitly noted in the additional information. Subject to changes, errors in technical data and specifications, and prior sale!

Condition: used, Year of construction: 2007, x-travel 600 mm y-travel 450 mm z-travel 450 mm Ljdpfx Aioy T Scqeisab Control Heidenhain In our estimation, the machine is in good used condition and can be inspected under power by appointment. Accessories, as well as the tools and clamping devices shown in the images, are included in the scope of delivery only if explicitly noted in the additional information. Subject to changes, errors in technical data and specifications, and prior sale!

Condition: used, x-travel 1.000 mm y-travel 800 mm Lodpfxsy T Sb Ts Aiieab z-travel 500 mm Control Heidenhain spindle tunring speed 15.000 U/min table dimensions 1.250 x 800 mm number of tool places 30 Pos. In our estimation, the machine is in good used condition and can be inspected under power by appointment. Accessories, as well as the tools and clamping devices shown in the images, are included in the scope of delivery only if explicitly noted in the additional information. Subject to changes, errors in technical data and specifications, and prior sale!