Used Hurco Vmx 1 for sale (156)

Condition: ready for operation (used), Year of construction: 2000, Main Drive Spindle speed range 8000 Number of axis 3 Chedpfxsxp Srnj Addsf Movement X-Axis Movement 610 Y-Axis Movement 406 Z-Axis Movement 540 This 3-axis Hurco BMC 2416 vertical machining center was manufactured in 2000. It features a robust Ultimax control system, a spindle speed of up to 8000 rpm, and rapid traverse rates reaching 24003 mm/min. With a tool magazine of 24 positions and generous travels in X, Y, and Z dimensions (610, 406, 540 mm respectively), consider the opportunity to buy this Hurco BMC 2416 vertical machining center. Contact us for more information about this machine. Application Types Milling

Condition: new, Year of construction: 2024, functionality: fully functional, travel distance X-axis: 1,270 mm, travel distance Y-axis: 508 mm, travel distance Z-axis: 508 mm, rapid traverse X-axis: 24 m/min, rapid traverse Y-axis: 24 m/min, rapid traverse Z-axis: 24 m/min, nominal power (apparent): 22 kVA, torque: 11 Nm, controller manufacturer: Milltronics, controller model: CNC 9000, total height: 2,565 mm, total length: 3,722 mm, total width: 3,210 mm, table width: 508 mm, table length: 1,168 mm, table load: 1,710 kg, overall weight: 4,300 kg, spindle speed (max.): 10,000 rpm, distance table center to spindle nose: 610 mm, spindle motor power: 7,500 W, number of spindles: 1, number of slots in tool magazine: 20, tool length: 240 mm, tool diameter: 80 mm, tool weight: 7,000 g, input voltage: 230 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, => Price of the machine within Germany. => Machine available ex stock. Transport from warehouse in the Netherlands or Italy to be arranged by the buyer. Further machine sizes available. => Installation and commissioning available upon request. Including auger chip conveyor and all software options such as: • Milltronics 9000-DGI CNC incl. all options for desktop, programming, milling strategies • 15" color LCD touchscreen monitor • 120 GB solid state drive • 4 GB RAM • Two USB ports • Productivity software ChipBoss, DSA, MSV, 9000-DGI Desktop Optional accessories: IKZ – Through-spindle coolant 20 bar, with rotary union and auxiliary tank with filter Programmable air cooling via spindle IKZ pre-installation for Milltronics IKZ system allows easy on-site installation of the Milltronics IKZ system IKZ pre-installation for ChipBlaster® IKZ system allows easy on-site installation of the ChipBlaster® IKZ system Programmable minimum quantity lubrication Programmable air cooling LCM 4th axis Model TDE-MV-200 complete with controller and motors LCM 4th axis Model TDE-MV-250 complete with controller and motors 5AX LCM-BSC-200 complete with controller, motors, and cables 4th axis electrical package with 1kW servo controller Milltronics M-170 (170mm) rotary table with servomotor and cable (requires 4th axis electrical package) Milltronics M-200 (200mm) rotary table with servomotor and cable (requires 4th axis electrical package) Milltronics M-250 (250mm) rotary table with servomotor and cable (requires 4th axis electrical package) Chsdpfx Aoxwyzyeddjf Milltronics TS-A135 tailstock for M-170 rotary table Milltronics TS-A160 tailstock for M-200 rotary table Milltronics TS-B185 tailstock for M-250 rotary table 180 mm three-jaw chuck with adapter flange (only for Milltronics M-170 and M-200 rotary tables) 230 mm three-jaw chuck with adapter flange (only for Milltronics M-250 rotary table) Tsudakoma 4th axis Model RNE-160R with motor (4th axis electrical package must also be ordered) Tailstock for Tsudakoma RNE-160R Tsudakoma 4th axis Model RNE-200R with motor (4th axis electrical package must also be ordered) Tailstock for Tsudakoma RNE-200R Renishaw OMI-2T interface included OMP40-2 workpiece probe with optical signal transmission and macros OTS tool setting probe with optical signal transmission and macros Renishaw OMI-2T interface included OMP40-2 workpiece probe with optical signal transmission and macros Renishaw OMI-2T included OTS tool setting probe with optical signal transmission and macros Renishaw NC4-F300 non-contact tool measurement DIN / CAT tool holders Hinged belt chip conveyor External keyboard uses 1 USB port Electronic spindle cooler Additional work light Additional "M" functions block with 4 units Programming manual in paper format Machine manual in paper format

Condition: excellent (used), Year of construction: 2011, HURCO TMX8MYS Cedexg D A Hopfx Addehf H-TS8034 Year of manufacture: 2011

Condition: excellent (used), Year of construction: 2007, Vice NOT included Comes with a small selection of tooling. Chsdpfexwlx Dex Addef X Axis Travel - 660mm, Y Axis Travel - 356mm, Z Axis Travel - 457mm, Max Table Load - 340kg, Spindle Motor - 10HP, Spindle Speed - 8000RPM, Spindle Taper - 40CT, Tool Changer - 20ATC

Condition: excellent (used), Year of construction: 2015, functionality: fully functional, travel distance X-axis: 3,200 mm, travel distance Y-axis: 2,100 mm, travel distance Z-axis: 920 mm, table length: 3,000 mm, table width: 1,700 mm, spindle speed (max.): 6,000 rpm, HURCO WinMax Dual CNC TRAVELS Longitudinal travel: 3.200 mm Transverse travel: 2.100 mm Vertical travel: 920 mm WORK AREA Table dimensions: 3.000 x 1.700 mm Table load capacity with uniform distribution: 11.000 kg SPINDLE Maximum spindle power: 60 kW (1 min) Chedpfx Adextqtlodef Maximum spindle torque: 570 Nm at 1.000 rpm (1 min) Maximum spindle rotation speed: 6.000 rpm Tool holder: ISO 50 DIN 69871 Machine complete with: • 40-station tool magazine • Digital motors and drives (axes and spindle) • Thermal conditioning system for headstock temperature control • Coolant system with supply around the spindle • Water wash gun and water gun Compressed air • Chip evacuation system consisting of a double auger and evacuator • Complete enclosure • Instruction manuals and CE declaration

Condition: used, Year of construction: 2014, 2014 built Hurco VM30i with single MAX screen Hurco Control. Note: Photographed on Site...more pictures to follow when the machines arrive in Bristol. Fitted with Max control, 10,000 RPM BT40 spindle. In super condition given their age! . Specification: X Axis stroke mm 1.270 Y Axis travel mm 510 Z Axis stroke mm 510 Spindle nose to table surface mm 100-610 T slot (WxDxN) mm 5x18 Working table area (LxW) mm 1.320x510 Spindle Speed rpm 10.000 Main motor kw 15 Motor torque Nm 102 X/Y/Z Axis cutting feedrate mm/min 24/ 24/ 24 Pull stud SK40 Tool storage capacity pc 20 Max. Tool Diameter mm 89 Max. Tool Length mm 250 Max. Tool Weight Kg 7 Machine weight Kg 4.245 Floor space (LxWxH) mm 4.083x2.743x2.576 Standard configuration Control: WinMax Spindle 10.000 RPM Swing arm type 20 tool ATC Pocket and island milling Rigid tap and tapping Cedpfxowzlups Addjhf Remote Jogbox

Condition: used, Year of construction: 2022, x-travel 1350 mm y-travel 950 mm Chsdpfoxfwg Nsx Addef z-travel 600 mm Control MAX 5 total power requirement 35 kW weight of the machine ca. 14 t dimensions of the machine ca. 3100x4535x3495 m

Condition: not inspected (used), Year of construction: 1999, feed length X-axis: 760 mm, feed length Y-axis: 430 mm, feed length Z-axis: 500 mm, Ultimax 3 with 4th axis BT 40 spindle 8000 rpm spindle speed 760x430x500mm stroke 24-tool changer 860x508mm table Chedpovgbrvofx Addof

Condition: ready for operation (used), Year of construction: 2000, operating hours: 25,000 h, Machining center Huroc BMC 64 No IKZ chip conveyor coolant trough spindle mount SK 40 DIN 69871 Csdpep I Hanefx Addohf

Condition: used, Year of construction: 2007, Milling machines Travel distance X: 610 mm Travel distance Y :510 mm Travel distance Z: 610 mm Cedpsxdnkcofx Addjhf Number of axis: 4 milling machine / machining center spindle revolutions: 12000 rpm table size X: 760 mm table size Y: 510 mm max. workpiece weight: 1000 kg input Power : 9 kW Control unit Ultimax 4

Condition: used, Year of construction: 2014, turning diameter over bed 0508 mm turning length 724,5 mm control Ultimax Hurco turning diameter over bed slide 336 mm spindle turning speed - stepless 0- 4500 U/min- rpm spindle bore 65 mm feeds 0-30 m/min rapid power traverse in X-and Z direction 30 m/min voltage 400 V connected load 30 KVA Chsdpev T Np Aofx Addjf face slide travel 203,2 mm longitudinal travel 580/640 mm dimensions of the machine ca. 4,3 x 2,1 x 2,6 m toolpiece turning speed range 0- 5000 U/min work piece power 5,5 kW main drive motor 15/22 kW weight of the machine ca. 5,6 t c-axis 360 x 0,001 ° With 12 position turret head with live tooling (C- axe), sub spindle, power chuck, cooling arrangement and chip conveyor. Control: Hurco Ultimax. With many accessories.

Condition: used, Year of construction: 2006, 2006 Hurco VM1 Vertical Machining Centre YOM: 2006 Technical Information – Hurco VM1 VMC General Data Measurements width: 1800 mm Measurements depth: 1900 mm Measurements height: 2600 mm Machine weight: 2700 kg Main drive Number of spindles: 1 Spindle speed range: 40-8000 1/min Spindle motor power: 11 kW Movement X-AXIS Movement: 660 mm X-AXIS Working Feed: 8 m X-AXIS Rapid traverse: 20 m X-AXIS Accuracy: 0.005 Chodev Suwiepfx Addof Y-AXIS Movement: 350 mm Y-AXIS Working Feed: 8 m Y-AXIS Rapid traverse: 20 m Y-AXIS Accuracy: 0.005 Z-AXIS Movement: 450 mm Z-AXIS Working Feed: 8 m Z-AXIS Rapid traverse: 20 m Z-AXIS Accuracy: 0.005 Workpiece Workpiece weight: 350 kg Table Outer length: 762 mm Outer width: 356 mm Delivery & Siting available at extra charge – Please ask for price.

Condition: used, Year of construction: 2017, operating hours: 1,200 h, functionality: fully functional, turning diameter over cross slide: 256 mm, turning length: 527 mm, spindle bore: 52 mm, spindle speed (max.): 4,800 rpm, Equipment: rotational speed infinitely variable, Description: For sale is a HURCO TM8i VDI CNC lathe with MAX5 single control, year of manufacture 2017, with only approx. 1,200 operating hours. The machine is in excellent condition, has been regularly serviced, and is immediately ready for operation. Ideal for precise turning applications in small and medium-sized batch production. Chjdpfjxfgkkox Addjf Accessories / Equipment: • Tool presetter • Chip conveyor • Coolant system • Three-jaw chuck • Collet chuck with various collets • Mist extraction unit Condition: • Lightly used (only 1,200 hours) • Regularly serviced • Immediately available • Inspection by appointment possible

Condition: excellent (used), Year of construction: 2011, operating hours: 2,400 h, functionality: fully functional, turning length: 340 mm, turning diameter: 254 mm, spindle bore: 45 mm, spindle speed (max.): 6,000 rpm, travel distance X-axis: 170 mm, travel distance Z-axis: 355 mm, Working length 340 mm Max. working diameter 254 mm Swing over bed 405 mm Spindle speeds 6.000 rpm Cedpfxjxcx I Nj Addehf Spindle bore 45 mm Number of tools 12 pcs X-axis travel 170 mm Z-axis travel 355 mm Control MAX Running hours 2400 Main motor power 11 Kw

Condition: excellent (used), Year of construction: 2016, operating hours: 4,900 h, Hurco machining center VM 10 i Working range Spindle nose - table (mm) 102 - 610 Table - clamping surface L x W (mm) 762 x 406 T-slots (DIN 650) 3 x 18 H8 x 100 Table load (uniform) (kg) 1500 Travel X-axis (mm) 660 Y-axis (mm) 406 Z-axis (mm) 508 Main spindle Spindle cone (DIN 69871 A) SK40 Spindle speed max. (rpm) 10,000 Spindle power max. (kW) 11 Spindle torque max. (Nm) 74 Feed rate Rapid traverse X-axis / Y-axis / Z-axis (m/min) 28 / 28 / 28 Tool changer Magazine positions / optional 24 Tool diameter max. (mm) 80 Tool length max. (mm) 250 Tool weight max. (kg) 7 Further data Codpfxotryq So Addshf Required floor space (mm) (doors open, incl. control and chip conveyor) 3,264 x 2,930 x 2,564 Weight of the machine (kg) 2,850 Coolant tank capacity (l) 62 Screw conveyor Optional Technical data may be subject to change without notice.

Condition: ready for operation (used), Year of construction: 2000, functionality: fully functional, travel distance X-axis: 1,020 mm, travel distance Y-axis: 510 mm, travel distance Z-axis: 610 mm, nominal power (apparent): 25 kVA, controller model: Ultimax 4, table width: 1,220 mm, table length: 510 mm, spindle speed (min.): 80 rpm, spindle speed (max.): 8,000 rpm, number of slots in tool magazine: 24, mount diameter: 40 mm, Equipment: rotational speed infinitely variable, Hurco BMC 4020 CNC Milling Machine Ultimax 4 Control Travel X 1,020 mm, Y 510 mm, Z 610 mm Clamping Area 1,220 x 510 mm Tool Positions 24 x SK40 Spindle Speed 80-8,000 rpm Coolant System Chedpfswa T Insx Addjf Please contact us if you are interested.

Condition: ready for operation (used), Year of construction: 2016, General Data Measurements height 2390.1 mm Machine weight 2636 kg Control Unit Brand HURCO Model WinMax Main Drive Spindle speed range 8000 rpm Number of axis 3 Movement X-Axis Movement 457 mm X-Axis Rapid Traverse 19 m/min Y-Axis Movement 356 mm Y-Axis Rapid Traverse 19 m/min Z-Axis Movement 356 mm Z-Axis Rapid Traverse 19 m/min Table Table load 250 kg Tools Number of index 16 Chedpfx Adev S Nbpsdsf Max weight 7 kg Max tool diameter 90 mm Max tool length 200 mm Type of tool holder CAT/BT 40 This 3-axis Hurco VM5i vertical machining center was manufactured in 2016. It offers robust construction and precision engineering, ideal for a variety of machining tasks. Consider the opportunity to buy this Hurco VM5i vertical machining center. Contact us for more information about this machine. Application Types Milling

Condition: excellent (used), Year of construction: 2018, functionality: fully functional, machine/vehicle number: S10-1622378FKBCH, travel distance X-axis: 660 mm, travel distance Y-axis: 406 mm, travel distance Z-axis: 508 mm, spindle speed (max.): 12,000 rpm, number of slots in tool magazine: 20, No reserve price - guaranteed sale at the highest bid! TECHNICAL DETAILS X-axis travel: 660 mm Y-axis travel: 406 mm Z-axis travel: 508 mm Table Table length: 762 mm Table width: 406 mm Table load: 682 kg Table clamping area (L × W): 762 × 406 mm T-slots (DIN 650): 3 × 18 H8 × 100 mm Distance spindle nose to table: 102 – 610 mm Spindle Max. spindle speed: 12,000 rpm Spindle power: max. 11 kW Spindle torque: max. 61 Nm Tool holder: 40 mm Speed control: infinitely variable Feed and rapid traverse Rapid traverse X-axis: 24 m/min Rapid traverse Y-axis: 24 m/min Rapid traverse Z-axis: 24 m/min Tool magazine Magazine positions: 20 Tool holders (SK40): not included Tool diameter: 89 mm Tool length: 250 mm Tool weight: 7 kg Accuracy Positioning accuracy (Pmax.): 0.01 mm Repeat accuracy (Ps): 0.005 mm Cjdpswd Nwysfx Addohf Control system Control system manufacturer: HURCO MACHINE DETAILS Connected load: 15 kVA Operating voltage: 400 V, 50 Hz Weight: 2.85 t Footprint without internal cooling: 3.4 x 3.2 m Machine dimensions: 2.1 x 1.8 x 2.6 m Transport dimensions: 1.96 x 2.3 x 2.39 m EQUIPMENT - Continuously variable speed Adjustable - Digital technical documentation can be accessed via the control system - Without mounted machine vices and the tool holder and tool mounted in the spindle

Condition: ready for operation (used), Year of construction: 2005, functionality: fully functional, machine/vehicle number: 704-0101-809, travel distance X-axis: 800 mm, travel distance Y-axis: 700 mm, travel distance Z-axis: 510 mm, rotational speed (max.): 12,000 rpm, number of slots in tool magazine: 32, swivel angle C-axis (max.): 360 °, TECHNICAL DETAILS Control: ULTIMAX 4 X-axis: 800 mm Y-axis: 700 mm Z-axis: 510 mm Rapid traverse (X/Y/Z): 35 m/min A-axis: ± 30° / 110° Rapid traverse A-axis: 16.5 m/min C-axis: 360° Rapid traverse C-axis: 16.5 m/min Chsdoxamfkopfx Addef Spindle Speed range: 10 - 12,000 1/min Spindle motor: 18 kW Tool Tool holder: SK 40 Tool stations: 32 Working area Max. table load: 300 kg Table size: 610 mm x 5 mm x 5 mm MACHINE DETAILS Machine weight: 12,500 kg Space required (LxWxH): 2.700 m x 4.000 m x 3.250 m

Condition: used, Year of construction: 1999, x-travel 610 mm y-travel 405 mm z-travel 510 mm table surface area 760 x 400 mm spindle taper SK 40 spindle turning speed - stepless 80 - 8000 U/min spindle drive 7,5 kW Chjdpfx Adsvh Nbusdef max. torque on the spindle max. 142 Nm feeds 3,0 - 7600 mm/min rapid motion -longitudinal/cross/vertical 24 / 24 / 15 m/min distance table / vertical spindle max. 600 mm table load 350 kg no. of tools in magazin 24 workpiece diameter at full load 80 mm tool length - max. 300 mm weight of tools max. 6,8 kg control ULTIMAX SSM total power requirement 18 kVA weight of the machine ca. 4,1 t Accessories: 2 tool fixtures SK 40, 3-jaw chuck RÖHM, chip conveyor, coolant

Condition: ready for operation (used), Hurco Process Board 415-0194-001A with Hurco Dual RS232 Board, used, 100% functional Codpfx Adei Ea R Iedjhf

Year of construction: 1997, condition: ready for operation (used), Max. load: 500kg, feed rate: 3-7600mm/min, rotational speed: 80-8000/min, length: 4000mm, width: 3776mm, height: 2692mm, weight: 4.15t. Codpfx Adji Atg Usdshf

Condition: used, Year of construction: 1998, functionality: fully functional, machine/vehicle number: B3M92212078CC, CNC Vertical Machining Center HURCO Type BMC 30/M Year of manufacture: 1998 CNC path control Ultimax 3 X: 760 mm, Y: 460 mm, Z: 610 mm Table: 1010 x 400 mm Spindle mount: SK 40 Distance spindle nose - table: 150 - 760 mm Overhang: 450 mm Spindle speed: 80 to 8000 rpm, stepless Rapid traverse: 24 m/min Spindle drive: 7.5 kW at 30min / 5.5 kW at 100% Electrical connection: 400 Volt, 50 Hz - CNC path control Ultimax 3 (with hardware update, e.g. TFT monitors) - Electronic handwheel - Indirect measuring system with rotary encoders on the ball screw - Tool changer with 24 tool positions - Full enclosure / sliding door - Swivel operating panel - Pneumatic/mechanical tool clamping Dimensions (L x W x H): 3400 x 2400 x 2550 mm Chodpfx Adow Tdiusdsf Weight: approx. 4,800 kg Good condition

Condition: used, Year of construction: 2020, Used 2020 Hurco TM10i CNC Lathe in great condition with low spindle hours and a full service history. Fitted with Hurco WinMax Control for fast, efficient programming and seamless machining operations. The machine can be seen under power in our showroom. Compact, high-performance lathe designed to meet your production requirements. - Hurco WinMax Control – Advanced, user-friendly CNC system designed for ease of operation and enhanced productivity - High-Performance Spindle – Direct drive spindle offers excellent torque and smooth operation for superior surface finishes - Rigid, Heavy-Duty Construction – Ensures exceptional accuracy and long-lasting performance Machine Specification: CAPACITY - Distance Between Centers: 29.29 in (744 mm) - Swing Over Bed Diameter: 22.9 in (582 mm) - Swing Over Cross Slide Diameter: 15.8 in (402 mm) - Max Turning Diameter: 17.7 in (450 mm) - Max Turning Length: 29.84 in (758 mm) - Max Bar Capacity: 3.0 in (76 mm) - X, Z Axis Travel: 9.8 x 31.1 in (250 x 790 mm) SPINDLE - Max Spindle Speed: 3,000 rpm - Max Torque (High Gear): 217.61 ft/lb @ 600 rpm (295.9 Nm @ 600 rpm) - Spindle Power: 24.81 hp (18.5 kW) - Spindle Nose: A2-8 - Chuck Diameter: 10 in (260 mm) TURRET - Tool Type: Slotted Disc - Tool Capacity: 12 Stations - Turret Index Time (Adjacent): 1.3 seconds - Turret Index Time (Furthest): 3.6 seconds FEEDRATES - Rapid Traverse (X, Z Axis): 1,181 in/min (30 m/min) SIZE - Max Operating Floor Space: 192.15 x 112.36 in (4,881 x 2,854 mm) - Machine Height: 87.89 in (2,233 mm) - Machine Weight: 11,054 lbs (5,014 kg) - Parts Catcher Dimensions: 8.3 x 5.0 x 3.5 in (210 x 127 x 88 mm) This Hurco TM10i CNC Lathe is a versatile and powerful machine, ideal for high-precision turning tasks. Its robust design, quick cycle times, and advanced control system make it perfect for both small and large production runs. For more information or to schedule a viewing, please contact us. Control: Hurco Winmax Spec: Spindle bore 76 mm | Max Swing 582 mm | Travel X 250 Z 790 mm Accessories: Tailstock, tool setter, parts catcher & swarf conveyor Chsdpfx Adowkwdhsdof

Condition: used, Year of construction: 2020, Used 2020 Hurco TM8i CNC Lathe in great condition with low spindle hours and full service history. Equipped with Hurco WinMax Control for easy programming and high-speed machining. The machine can be seen under power in our showroom. Chodpfxswkwdnj Addsf Compact, high-performance lathe designed to meet your production requirements. - Hurco WinMax Control – Advanced, user-friendly CNC control system designed for maximum productivity and ease of use - High-Performance Spindle – Delivers smooth, stable operation for exceptional turning precision - Rigid Construction – Designed for reliable performance and accuracy over the long term Machine Specification: CAPACITY - Distance Between Centers: 23.49 in (597 mm) - Swing Over Bed Diameter: 20.67 in (525 mm) - Swing Over Cross Slide Diameter: 11.8 in (300 mm) - Max Turning Diameter: 14 in (356 mm) - Max Turning Length: 20.67 in (525 mm) - Max Bar Capacity: 2.5 in (64 mm) - X, Z Axis Travel: 8 x 21.65 in (203 x 550 mm) SPINDLE - Max Spindle Speed: 4,000 rpm - Max Torque (High Gear): 133.83 ft-lb @ 1,000 rpm (100.7 Nm @ 1,000 rpm) - Spindle Power: 25.48 hp (19 kW) - Spindle Nose: A2-6 - Chuck Diameter: 8.2 in (210 mm) TURRET - Tool Type: Slotted Disc - Tool Capacity: 12 Stations - Turret Index Time (Adjacent): 1.3 seconds - Turret Index Time (Furthest): 3.6 seconds FEEDRATES - Rapid Traverse (X, Z Axis): 1,181 in/min (30 m/min) SIZE - Max Operating Floor Space: 170.7 x 122.6 in (4,336 x 3,114 mm) - Machine Height: 86.32 in (2,193 mm) - Machine Weight: 8,885 lbs (4,030 kg) - Parts Catcher Dimensions: 5.9 x 3.7 x 2.8 in (150 x 95 x 70 mm) This Hurco TM8i CNC Lathe is perfect for businesses seeking a compact yet powerful machine for precision turning tasks. Its advanced control system and rigid construction ensure high-quality results and increased productivity, making it ideal for both small and medium production runs. For more details or to schedule a viewing, please contact us. Control: Hurco Winmax Spec: Spindle bore 64 mm | Max Swing 356 mm | Travel X 203 Z 550 mm Accessories: Tailstock, tool setter, parts catcher & swarf conveyor